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Occidental Petroleum Corporation (often abbreviated Oxy in reference to its
ticker symbol A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock on a particular stock market. In short, ticker symbols are arrangements of symbols or characters (generally Latin letters ...
and logo) is an American company engaged in
hydrocarbon exploration Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for deposits of hydrocarbons, particularly petroleum and natural gas, in the Earth using petroleum geology. Exploration methods Vis ...
in the United States, and the
Middle East The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...
as well as
petrochemical Petrochemicals (sometimes abbreviated as petchems) are the chemical products obtained from petroleum by refining. Some chemical compounds made from petroleum are also obtained from other fossil fuels, such as coal or natural gas, or renewable sou ...
manufacturing in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
, and
Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
. It is organized in
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent Del ...
and headquartered in
Houston Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 in ...
. The company ranked 183rd on the 2021
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune'' magazine that ranks 500 of the largest United States corporations by total revenue for their respective fiscal years. The list includes publicly held companies, along ...
based on its 2020 revenues and 670th on the 2021
Forbes Global 2000 The ''Forbes'' Global 2000 is an annual ranking of the top 2000 public companies in the world, published by ''Forbes'' magazine. "The Global 2000" annual ranking is assembled by ''Forbes'' using a weighted assessment of four metrics: sales, profi ...
.


History

*1920: Occidental Petroleum was founded in California. *1957:
Armand Hammer Armand Hammer (May 21, 1898 – December 10, 1990) was an American business manager and owner, most closely associated with Occidental Petroleum, a company he ran from 1957 until his death. Called "Lenin's chosen capitalist" by the press, ...
was elected president and chief executive officer of the company after he acquired a controlling stake in the firm for tax reasons. *1961: The company discovered the Lathrop Gas Field in
Lathrop, California Lathrop is a city located south of Stockton in San Joaquin County, California, United States. The 2022 California Census reported that Lathrop's population was 30,659. The city is located in the San Joaquin Valley in Northern California at the ...
. *1960s: The company expanded internationally with operations in
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...
,
Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...
,
Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...
,
Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...
, and the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
. *1965: Occidental won exploration rights in Libya and operated there until all activities were suspended in 1986 after the United States imposed economic sanctions on Libya. *1968: The company entered the chemical business with the acquisition of
Hooker Chemical Company Hooker Chemical Company (or Hooker Electrochemical Company) was an American firm producing chloralkali products from 1903 to 1968. In 1922, bought the S. Wander & Sons Company to sell lye ​and chlorinated lime. The company became notorious in t ...
, 26 years after the contamination at
Love Canal Love Canal is a neighborhood in Niagara Falls, New York, United States, infamous as the location of a landfill that became the site of an enormous environmental disaster in the 1970s. Decades of dumping toxic chemicals harmed the health of hund ...
. *1971: Occidental received permission to develop an
oil refinery An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into useful products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, lique ...
in
Canvey Island Canvey Island is a town, civil parishes in England, civil parish and reclaimed island in the Thames estuary, near Southend-on-Sea, in the Castle Point district, in the county of Essex, England. It has an area of and a population of 38,170.Office ...
in
Essex, England Essex () is a Ceremonial counties of England, county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the Riv ...
. The company began construction but stopped in 1975 as a result of the
1970s energy crisis The 1970s energy crisis occurred when the Western world, particularly the United States, Canada, Western Europe, Australia, and New Zealand, faced substantial petroleum shortages as well as elevated prices. The two worst crises of this period wer ...
. The site remained derelict; the tanks and the chimney were subsequently demolished. Only some concrete foundations and the river jetty remain extant. *1972: The company was one of the first companies to research developing
oil shale Oil shale is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general composition of oil shales constitute ...
. *1973: During
détente Détente (, French: "relaxation") is the relaxation of strained relations, especially political ones, through verbal communication. The term, in diplomacy, originates from around 1912, when France and Germany tried unsuccessfully to reduc ...
in July 1972, Armand Hammer negotiated a twenty-year agreement with
Brezhnev Leonid Ilyich Brezhnev; uk, links= no, Леонід Ілліч Брежнєв, . (19 December 1906– 10 November 1982) was a Soviet politician who served as General Secretary of the Communist Party of the Soviet Union between 1964 and 1 ...
of the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
that was signed by Hammer in April 1973 in which the Hammer-controlled firms Occidental Petroleum and Tower International would export to the Soviet Union
phosphate In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid . The phosphate or orthophosphate ion is derived from phospho ...
, which Occidental mined in northern Florida, in return for the Soviet Union exporting from
Odessa Odesa (also spelled Odessa) is the third most populous city and municipality in Ukraine and a major seaport and transport hub located in the south-west of the country, on the northwestern shore of the Black Sea. The city is also the administrativ ...
and
Ventspils Ventspils (; german: Windau, ; see other names) is a state city in northwestern Latvia in the historical Courland region of Latvia, and is the sixth largest city in the country. At the beginning of 2020, Ventspils had a population of 33,906. It ...
through Hammer's firms
natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbo ...
that would be converted into
ammonia Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...
,
potash Potash () includes various mined and manufactured salts that contain potassium in water-soluble form.
, and
urea Urea, also known as carbamide, is an organic compound with chemical formula . This amide has two amino groups (–) joined by a carbonyl functional group (–C(=O)–). It is thus the simplest amide of carbamic acid. Urea serves an important r ...
. The total value of this trade was estimated at $20 billion. The construction of Soviet port facilities, designed by Hammer's firms, was partially financed by the Export-Import Bank as endorsed by
Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...
. *1981: The company acquired
IBP, Inc. Tyson Fresh Meats, Inc., formerly IBP, Inc. and Iowa Beef Processors, Inc., is an American meat packing company based in Dakota Dunes, South Dakota, United States. IBP was the United States' biggest beef packer and its number two pork processor. ...
, one of largest producers of beef and pork products in the United States. *1983: The company and
Ecopetrol Ecopetrol, formerly known as Empresa Colombiana de Petróleos S.A. ( en, Colombian Petroleum Co.) is the largest and primary petroleum company in Colombia. As a result of its continuous growth, Ecopetrol forms part of the Fortune Global 500 and w ...
, the Colombian state-owned oil company, discovered the giant
Caño Limón oilfield The Caño Limón oilfield is an oil field crude oil in Arauca Department, Colombia. It is Colombia's second-largest oil field. History The Caño Limón oilfield was discovered in July 1983 by Occidental Petroleum. Oil extraction operations be ...
in Arauca. *1986: The company suspends operation in Libya due to economic sanctions imposed on that country by the United States. *April 1988: Occidental acquired Cain Chemical for $2 billion. *July 6, 1988: An explosion and subsequent inferno on the company's
Piper Alpha Piper Alpha was an oil platform located in the North Sea approximately north-east of Aberdeen, Scotland. It was operated by Occidental Petroleum (Caledonia) Limited (OPCAL) and began production in 1976, initially as an oil-only platform but la ...
platform in the Scottish North Sea, resulted in 167 fatalities in what remains the world's most deadly offshore disaster. *September 1988: The company formed a joint venture with
Church & Dwight Church & Dwight is an American consumer goods company focusing on personal care, household products, and specialty products. The company was founded in 1846 and is headquartered in Ewing, New Jersey. It is the parent company of well-known brands ...
, which makes
Arm & Hammer Arm & Hammer is a brand of baking soda-based consumer products marketed by Church & Dwight, a major American manufacturer of household products. The logo of the brand depicts the ancient symbol of a muscular arm holding a hammer inside a red ci ...
products, for a potassium carbonate plant at
Muscle Shoals, Alabama Muscle Shoals is the largest city in Colbert County, Alabama, Colbert County, Alabama, United States. It is located along the Tennessee River in the northern part of the state and, as of the 2010 United States Census, 2010 census, the populati ...
. *1990: Armand Hammer died and
Ray R. Irani Ray R. Irani (born January 13, 1935) is the former chairman and chief executive officer of Occidental Petroleum. He has worked at Occidental Petroleum for over 20 years, serving as a director since 1984, chief operating officer (president) from 198 ...
became chairman and chief executive officer of the company. *1991: The company sold its stake in
IBP, Inc. Tyson Fresh Meats, Inc., formerly IBP, Inc. and Iowa Beef Processors, Inc., is an American meat packing company based in Dakota Dunes, South Dakota, United States. IBP was the United States' biggest beef packer and its number two pork processor. ...
*1993: Occidental sold its remaining coal operations. *February 1996: The company announced layoffs of 450 people in its chemical division. *July 1996: The company sold its interest in 3 oilfields in the Congo to the Congolese government for $215 million. *1997: Occidental paid $3.65 billion to acquire the
Elk Hills Oil Field The Elk Hills Oil Field (formerly the Naval Petroleum Reserve No. 1) is a large oil field in western Kern County, in the Elk Hills of the San Joaquin Valley, California in the United States, about west of Bakersfield. Discovered in 1911, and ...
. *2005: The company and its partner, Liwa, won 8 out of 15 exploration spots on the EPSA-4 auction, making both companies among the first to enter the Libyan market since the United States lifted its embargo on Libya. *October 2005: The company acquired Vintage Petroleum for $3.8 billion. *2006: The government of
Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...
seized the company's interest in block 15 of the
Amazon Rainforest The Amazon rainforest, Amazon jungle or ; es, Selva amazónica, , or usually ; french: Forêt amazonienne; nl, Amazoneregenwoud. In English, the names are sometimes capitalized further, as Amazon Rainforest, Amazon Forest, or Amazon Jungle. ...
, forcing the company to take a $306 million after-tax charge. In 2016, Ecuador agreed to pay $980 million in restitution to the company, down from the original award of $1.77 billion. The agreement was based on a 2012 arbitration award from the
International Center for Settlement of Investment Disputes The International Centre for Settlement of Investment Disputes (ICSID) is an international arbitration institution established in 1966 for legal dispute resolution and conciliation between international investors and States. ICSID is part of ...
. *2007: Occidental's compensation policies came under scrutiny after it was announced that Irani received $460 million in compensation in 2006. *2008: The company acquired a 10% stake in
Plains All American Pipeline Plains All American Pipeline, L.P. is a master limited partnership engaged in pipeline transport, marketing, and storage of liquefied petroleum gas and petroleum in the United States and Canada. It owns interests in of pipelines, storage capacity ...
. The company also acquired assets from
Plains Exploration & Production Plains Exploration & Production was a petroleum and natural gas exploration company based in Houston, Texas. In May 2013, it was acquired by Freeport-McMoRan. History In 2002, the company was separated from Plains Resources Inc. via a corporat ...
for $1.3 billion. *February 2009: The company closed its Louisville OxyVinyl polyvinyl chloride production plant. *October 2009: The company acquired
Citigroup Citigroup Inc. or Citi (Style (visual arts), stylized as citi) is an American multinational investment banking, investment bank and financial services corporation headquartered in New York City. The company was formed by the merger of banking ...
's controversial
Phibro Phibro is a global low-carbon commodity company, focused on renewable asstets' development, acquisitions, optimizations and related contract structuring. Phibro's strategy is based on a proven track record of combining market insight, disciplin ...
energy-trading business, for its net asset value of approximately $250 million. The unit was managed by Andrew J. Hall, who received compensation of approximately $100 million per year in 2007 and 2008. After the acquisition, the division reported its first losses since the 1990s. In 2016, Phibro was wound down and sold. *December 2010: Occidental acquired shale oil properties in the
Williston Basin The Williston Basin is a large intracratonic sedimentary basin in eastern Montana, western North Dakota, South Dakota, southern Saskatchewan, and south-western Manitoba that is known for its rich deposits of petroleum and potash. The basin is a ...
in
North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the Native Americans in the United States, indigenous Dakota people, Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north a ...
for $1.4 billion. These assets, as well as other assets acquired by Oxy in the Williston Basin, were sold in 2015 for $600 million. *December 2010: The company sold its proven and probable reserves of in Argentina to
Sinopec China Petroleum & Chemical Corporation (中国石油化工股份有限公司) or Sinopec (), is a Chinese oil and gas enterprise based in Beijing. It is listed in Hong Kong and also trades in Shanghai. Sinopec Limited's parent, Sinopec Gr ...
, a subsidiary of
China Petrochemical Corporation China Petrochemical Corporation () or Sinopec Group is the world's largest oil refining, gas and petrochemical conglomerate, administered by SASAC for the State Council of the People's Republic of China. It is headquartered at Chaoyangmenwai ...
. It also acquired properties in South Texas and North Dakota for $3.2 billion. *January 2011: Occidental partnered with Abu Dhabi's state oil company in developing the Shah Field, one of the largest natural gas fields in the Middle East, through a joint venture known as Al Hosn Gas. Al Hosn Gas became operational in 2015. *May 2011: Ray R. Irani retires as CEO after
CalSTRS The California State Teachers' Retirement System (CalSTRS) provides retirement, disability and survivor benefits for California's 965,000 prekindergarten through community college educators and their families. CalSTRS was established by law in 191 ...
and Relational Investors, two major shareholders, objected to the company's compensation policies for top executives. President Stephen I. Chazen was named CEO to replace Irani and in 2013, shareholders ousted Irani as chairman. Despite his outlandish compensation, during Irani's tenure, the company grew from a collection of unrelated businesses to one that focuses on oil and gas and the
market capitalization Market capitalization, sometimes referred to as market cap, is the total value of a publicly traded company's outstanding common shares owned by stockholders. Market capitalization is equal to the market price per common share multiplied by t ...
of the company went from $5.5 billion to $80 billion. *2013: Oxychem sold its investment in
Unipar Carbocloro Unipar Carbocloro is a publicly traded Brazilian chemical company based in São Paulo and chaired by Frank Geyer Abubakir. History Founded in 1969 as União Participações Industriais Ltda., the company is the owner of an industrial complex f ...
for R$550 million. *September 2014: Occidental moved its headquarters to Houston, Texas. *November 2014: The company sold its 50% interest in BridgeTex Pipeline Company, owner of a 300,000 barrel-per-day crude oil pipeline system that extends from
Colorado City, Texas Colorado City ( ) is a city in and the county seat of Mitchell County, Texas, United States. Its population was 3,991 at the 2020 census. History Colorado City originated as a ranger camp in 1877. It grew into a cattlemen's center and has b ...
to
Texas City, Texas Texas City is a city in Galveston County, Texas, Galveston County in the U.S. state of Texas. Located on the southwest shoreline of Galveston Bay, Texas City is a busy deepwater port on Texas's Gulf Coast, as well as a petroleum-refining and pe ...
, for $1.075 billion. *December 2014: The company distributed 80.5% of its shares in California Resources Corporation, the largest producer of oil and natural gas on a gross-operated barrels of oil equivalent basis in California, to Occidental shareholders and distributed its remaining stake to shareholders in March 2016. *October 2015: Occidental completed the first phase of a $500 million carbon dioxide flooding project in
Hobbs, New Mexico Hobbs is a city in Lea County, New Mexico, Lea County, New Mexico, United States. Its population was 40,508 at the 2020 United States census, 2020 census, increasing from 34,122 in 2010. Hobbs is the principal city of the Hobbs, New Mexico microp ...
. *January 2016: The company sold an office tower in
Dallas Dallas () is the List of municipalities in Texas, third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the List of metropolitan statistical areas, fourth-largest metropolitan area in the United States at 7.5 ...
, Texas for $95 million. *May 2016:
Vicki Hollub Vicki Hollub (born 1960) is an American businesswoman and mineral engineer. She has been the president and CEO of Occidental Petroleum since April 2016, when she became the first woman heading a major American oil company. Early life and educat ...
, who had worked at Occidental since 1981 and joined the board in 2015, became the chief executive officer of the company, the first female to serve as chief executive officer of a major U.S. oil and gas company. *March 2017: the company and its 50/50 joint venture partner
Mexichem Orbia (previously Mexichem) is a company providing specialty products and methodologies in the precision agriculture, building and infrastructure, fluorinated solutions, polymer solutions and data communications sectors. It was founded in 1953 ...
began operations of a 1.2-billion-pound per year capacity
ethylene Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or . It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds). Ethylene i ...
cracker at the OxyChem plant in
Ingleside, Texas Ingleside is a city in Nueces and San Patricio Counties in the U.S. state of Texas. Its population was 9,519 at the 2020 census. Ingleside was the home to Naval Station Ingleside. On August 24, 2005, the BRAC Committee voted to close the base. ...
, along with pipelines and storage at
Markham, Texas Markham, Texas is a census-designated place (CDP) in Matagorda County, Texas, United States. Named in 1903 for Charles H. Markham, a railroad engineer for Southern Pacific (and later President of the Illinois Central Railroad), the town was founded ...
. *June 2017: the company sold land in the Permian Basin for $600 million and used the proceeds to acquire other assets in the area. *January 2018: the company was found to be partially responsible for the
Bayou Corne sinkhole The Bayou Corne sinkhole (french: Doline de Bayou Corne) was created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum. The sinkhole, located near the community of Bayou Corne in nor ...
, along with Texas Brine Company and
Vulcan Materials Company Vulcan Materials Company () is an American company based in Birmingham, Alabama. It is principally engaged in the production, distribution and sale of construction materials. Vulcan is the largest producer of construction materials, primarily gra ...
*August 2019: the company acquired
Anadarko Petroleum Anadarko Petroleum Corporation was a company engaged in hydrocarbon exploration. It was organized in Delaware and headquartered in two skyscrapers in The Woodlands, Texas: the Allison Tower and the Hackett Tower, both named after former CEOs of ...
for $57 billion, making the deal the world's fourth biggest oil and gas acquisition to date.


Operations


Oil and gas

The company's oil and gas operations are concentrated in three geographic areas: the United States, the Middle East, and Colombia. As of December 31, 2020, Occidental had of oil equivalent net proved reserves, of which 51% was petroleum, 19% was natural gas liquids, and 30% was natural gas. In 2020, the company had production of per day.


United States

In 2020, the company's United States operations produced per day, representing 77% of the company's worldwide production, including per day in Permian Basin, where Occidental is the largest operator and oil producer. The company produced per day from
unconventional oil Unconventional oil is petroleum produced or extracted using techniques other than the conventional method (oil well). Industry and governments across the globe are investing in unconventional oil sources due to the increasing scarcity of conventio ...
directional drilling Directional drilling (or slant drilling) is the practice of drilling non-vertical bores. It can be broken down into four main groups: oilfield directional drilling, utility installation directional drilling, directional boring (horizontal dire ...
via Permian Resources and per day using a technique called
enhanced oil recovery Enhanced oil recovery (abbreviated EOR), also called tertiary recovery, is the extraction of crude oil from an oil field that cannot be extracted otherwise. EOR can extract 30% to 60% or more of a reservoir's oil, compared to 20% to 40% using ...
, whereby
carbon dioxide Carbon dioxide (chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is transpar ...
and water are injected into underground formations to extract the oil and gas. The company also produced per day in the
Denver Basin The Denver Basin, variously referred to as the Julesburg Basin, Denver-Julesburg Basin (after Julesburg, Colorado), or the D-J Basin, is a geologic structural basin centered in eastern Colorado in the United States, but extending into southeast Wyo ...
.


Middle East

The company's oil and gas operations in the Middle East are in
Oman Oman ( ; ar, عُمَان ' ), officially the Sultanate of Oman ( ar, سلْطنةُ عُمان ), is an Arabian country located in southwestern Asia. It is situated on the southeastern coast of the Arabian Peninsula, and spans the mouth of t ...
,
Qatar Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in Western Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it sh ...
, and the
United Arab Emirates The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia (The Middle East). It is located at th ...
and are via
production sharing agreement Production sharing agreements (PSAs) or production sharing contracts (PSCs) are a common type of contract signed between a government and a resource extraction company (or group of companies) concerning how much of the resource (usually oil) extract ...
s. The region produced per day, representing approximately 19% of 2020 total production. The region also held 28% of the company's proved reserves in 2020. The company is the largest independent oil producer in Oman. In Qatar, the company is the second-largest oil producer offshore and is a partial owner in the
Dolphin Gas Project The Dolphin Gas Project is the natural gas project of Qatar, the United Arab Emirates, and Oman. It is the Gulf Cooperation Council's first cross-border refined gas transmission project and the largest energy-related venture ever undertaken in the r ...
, which delivers gas to Oman and the United Arab Emirates.


Colombia

In Colombia, which accounted for per day of production, or 2% of total production in 2020, the company operates the
Caño Limón oilfield The Caño Limón oilfield is an oil field crude oil in Arauca Department, Colombia. It is Colombia's second-largest oil field. History The Caño Limón oilfield was discovered in July 1983 by Occidental Petroleum. Oil extraction operations be ...
.


Chemical

OxyChem, a
wholly-owned subsidiary A subsidiary, subsidiary company or daughter company is a company owned or controlled by another company, which is called the parent company or holding company. Two or more subsidiaries that either belong to the same parent company or having a s ...
, manufactures polyvinyl chloride (PVC) resins,
chlorine Chlorine is a chemical element with the Symbol (chemistry), symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate betwee ...
, and
sodium hydroxide Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations and hydroxide anions . Sodium hydroxide is a highly caustic base and alkali ...
(caustic soda) used in plastics, pharmaceuticals, and water treatment chemicals. Other products manufactured by the company include caustic
potash Potash () includes various mined and manufactured salts that contain potassium in water-soluble form.
,
chlorinated organics An organochloride, organochlorine compound, chlorocarbon, or chlorinated hydrocarbon is an organic compound containing at least one covalently bonded atom of chlorine. The chloroalkane class ( alkanes with one or more hydrogens substituted by chlo ...
, sodium silicates, chlorinated
cyanuric acid Cyanuric acid or 1,3,5-triazine-2,4,6-triol is a chemical compound with the formula (CNOH)3. Like many industrially useful chemicals, this triazine has many synonyms. This white, odorless solid finds use as a precursor or a component of bleaches ...
(isocyanurate), and
calcium chloride Calcium chloride is an inorganic compound, a salt with the chemical formula . It is a white crystalline solid at room temperature, and it is highly soluble in water. It can be created by neutralising hydrochloric acid with calcium hydroxide. Ca ...
. OxyChem has manufacturing facilities in the United States, Canada, and Chile. In a joint venture with
Church & Dwight Church & Dwight is an American consumer goods company focusing on personal care, household products, and specialty products. The company was founded in 1846 and is headquartered in Ewing, New Jersey. It is the parent company of well-known brands ...
, OxyChem owns Armand Products Company, which sells
potassium carbonate Potassium carbonate is the inorganic compound with the formula K2 CO3. It is a white salt, which is soluble in water. It is deliquescent, often appearing as a damp or wet solid. Potassium carbonate is mainly used in the production of soap and gl ...
and
potassium bicarbonate Potassium bicarbonate (IUPAC name: potassium hydrogencarbonate, also known as potassium acid carbonate) is the inorganic compound with the chemical formula KHCO3. It is a white solid. Production and reactivity It is manufactured by treating an ...
.


Controversies


Lobbying to do business in Libya

The company began operations in
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to Egypt–Libya bo ...
in 1965 and operated there until
economic sanctions Economic sanctions are commercial and financial penalties applied by one or more countries against a targeted self-governing state, group, or individual. Economic sanctions are not necessarily imposed because of economic circumstances—they may ...
were imposed in 1986 by the United States. The company was one of the first American companies to resume negotiations in Libya after the sanctions were lifted in 2004. In 2008, the company, along with 5 other oil companies, was criticized for hiring
Hogan Lovells Hogan Lovells is an American-British law firm co-headquartered in London and Washington, DC. The firm was formed in 2010 by the merger of the American law firm Hogan & Hartson and the British law firm Lovells. It employs about 2,400 lawyers acr ...
to lobby to exempt Libya from a law written by U.S. Senator
Frank Lautenberg Frank Raleigh Lautenberg (; January 23, 1924 June 3, 2013) was an American businessman and Democratic Party politician who served as United States Senator from New Jersey from 1982 to 2001, and again from 2003 until his death in 2013. He was orig ...
(D-NJ) to assist American terror victims in seizing assets of countries found culpable in terror attacks, such as the Libyan bombing of
Pan Am Flight 103 Pan Am Flight 103 was a regularly scheduled Pan Am transatlantic flight from Frankfurt to Detroit via a stopover in London and another in New York City. The transatlantic leg of the route was operated by ''Clipper Maid of the Seas'', a Boeing ...
over
Lockerbie Lockerbie (, gd, Locarbaidh) is a small town in Dumfries and Galloway, south-western Scotland. It is about from Glasgow, and from the border with England. The United Kingdom Census 2001, 2001 Census recorded its population as 4,009. The town ...
in 1988. and to remove a provision in the
Dodd–Frank Wall Street Reform and Consumer Protection Act The Dodd–Frank Wall Street Reform and Consumer Protection Act, commonly referred to as Dodd–Frank, is a United States federal law that was enacted on July 21, 2010. The law overhauled financial regulation in the aftermath of the Great Recessi ...
that requires disclosure of payments to foreign governments. In early 2011, the company ceased exploration activities and production operations in Libya due to the growing civil unrest in the country and U.S. sanctions. In June 2011, the
U.S. Securities and Exchange Commission The U.S. Securities and Exchange Commission (SEC) is an independent agency of the United States federal government, created in the aftermath of the Wall Street Crash of 1929. The primary purpose of the SEC is to enforce the law against market ...
and United Kingdom prosecutors requested information from the company,
ExxonMobil ExxonMobil Corporation (commonly shortened to Exxon) is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, ...
and
ConocoPhillips ConocoPhillips Company is an American multinational corporation engaged in hydrocarbon exploration and production. It is based in the Energy Corridor district of Houston, Texas. The company has operations in 15 countries and has production in ...
related to the Libyan Investment Authority (LIA), an investment firm controlled by Libyan leader
Muammar Gaddafi Muammar Muhammad Abu Minyar al-Gaddafi, . Due to the lack of standardization of transcribing written and regionally pronounced Arabic, Gaddafi's name has been romanized in various ways. A 1986 column by ''The Straight Dope'' lists 32 spellin ...
, to determine if there were any violations of international bribery laws. The Libyan Investment Authority's investments were frozen by the U.S. government in early 2011 following the Gaddafi regime's attacks on Libyan civilians. In 2016, the company ceased operations in Libya.


Environmental record

In 2017, the company was ranked 55th on the Carbon Majors Report, a list of the Top 100 producers and their cumulative greenhouse gas emissions from 1988-2015. The company has stated that its use of
enhanced oil recovery Enhanced oil recovery (abbreviated EOR), also called tertiary recovery, is the extraction of crude oil from an oil field that cannot be extracted otherwise. EOR can extract 30% to 60% or more of a reservoir's oil, compared to 20% to 40% using ...
for a portion of its production is one way it helps mitigate its high emissions.


Cleanup of the Copper Basin

In 1982, the company acquired land in the Copper Basin in
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
, formerly the site of the Burra Burra Mine, where copper and sulfur had been mined in the 1800s. In 2016, Occidental agreed to spend $50 million to clean up the Copper Basin and restore the water quality of its creeks.


Love Canal

Since the 1920s, several companies and the
United States Armed Forces The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...
used the
Love Canal Love Canal is a neighborhood in Niagara Falls, New York, United States, infamous as the location of a landfill that became the site of an enormous environmental disaster in the 1970s. Decades of dumping toxic chemicals harmed the health of hund ...
as a chemical disposal site. In 1942, Occidental predecessor
Hooker Chemical Company Hooker Chemical Company (or Hooker Electrochemical Company) was an American firm producing chloralkali products from 1903 to 1968. In 1922, bought the S. Wander & Sons Company to sell lye ​and chlorinated lime. The company became notorious in t ...
began disposing chemical waste at the site and, in 1947, it became the sole owner and user of the land. In 1952, the site was filled to capacity and closed off. The company leased the land to the local school board in 1953. Later in the 1950s, the school board requested that the company sell the land, and threatened to use
eminent domain Eminent domain (United States, Philippines), land acquisition (India, Malaysia, Singapore), compulsory purchase/acquisition (Australia, New Zealand, Ireland, United Kingdom), resumption (Hong Kong, Uganda), resumption/compulsory acquisition (Austr ...
. The school board intended to build a school on an unused area of the dump. A school was built on the site, and later a middle-class residential district was built on land adjacent to the site. The construction broke through the clay seal containing the waste. In 1968, Hooker Chemical was purchased by Occidental. In 1978, residents became concerned about unusual health issues in the region, including high rates of cancer and
birth defect A birth defect, also known as a congenital disorder, is an abnormal condition that is present at birth regardless of its cause. Birth defects may result in disabilities that may be physical, intellectual, or developmental. The disabilities can ...
s. This subsequently became a national news story, and in 1980, president
Jimmy Carter James Earl Carter Jr. (born October 1, 1924) is an American politician who served as the 39th president of the United States from 1977 to 1981. A member of the Democratic Party (United States), Democratic Party, he previously served as th ...
declared a federal emergency in the area. Residents were eventually relocated, and the company paid $129 million in restitution.


Oleum spill

On Saturday, October 11, 2008,
oleum Oleum (Latin ''oleum'', meaning oil), or fuming sulfuric acid, is a term referring to solutions of various compositions of sulfur trioxide in sulfuric acid, or sometimes more specifically to disulfuric acid (also known as pyrosulfuric acid). Ole ...
was accidentally spilled at a facility in
Petrolia, Pennsylvania Petrolia is a borough in Butler County, Pennsylvania, United States. The population was 212 at the 2010 census. Geography Petrolia is located in eastern Butler County at (41.017964, -79.718204), in the valley of the South Branch of Bear Creek, a ...
which belonged to Indspec, an affiliate of Occidental Chemical Corporation. Oleum is a chemical mixture of
sulfuric acid Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid ( Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with the molecular formu ...
and
sulfur trioxide Sulfur trioxide (alternative spelling sulphur trioxide, also known as ''nisso sulfan'') is the chemical compound with the formula SO3. It has been described as "unquestionably the most important economically" sulfur oxide. It is prepared on an ind ...
. The accident contaminated the ventilation system and caused a cloud of toxic gas. Over 2,000 residents had to be evacuated for the day. The spill was caused by an auxiliary pump
power supply A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a r ...
which lacked safety interlocks to prevent tank overfilling.


Colombia

From 1992 to 2001, the company tried to drill for oil in the territory of the
U'wa people The U'wa are an indigenous people living in the cloud forests of northeastern Colombia. Historically, the U'wa numbered as many as 20,000, scattered over a homeland that extended across the Venezuela-Colombia border. Some 7-8,000 U'wa are alive t ...
, in northeast
Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
. The locals resisted, concerned about
environmental degradation Environmental degradation is the deterioration of the environment (biophysical), environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; an ...
and fears that development would bring strangers and be a target for
guerrilla warfare Guerrilla warfare is a form of irregular warfare in which small groups of combatants, such as paramilitary personnel, armed civilians, or Irregular military, irregulars, use military tactics including ambushes, sabotage, Raid (military), raids ...
. There also were tribal beliefs that oil is the "blood of the earth" and should not be removed. In 2002, after years of
shareholder resolution With respect to public companies in the United States, a shareholder resolution is a proposal submitted by shareholders for a vote at the company's annual meeting. Typically, resolutions are opposed by the corporation's management, hence the insis ...
s, legal battles, protests, and a failed test well, the company abandoned the project.
Repsol Repsol S.A.
El Nuevo Herald, 2012-05-31
Originally an init ...
took over the project.


Caño Limón

On December 13, 1998, 17 civilians, including 7 children, were killed when the
Colombian Air Force , "We are the Force" , colours = , colours_label = , march = Colombian Air Force Hymn , mascot = Capitan Paz , anniversaries = 8 November , ...
(CAF) dropped a cluster bomb in the hamlet of Santo Domingo, Colombia, after AirScan, Occidental's security contractor, misidentified it as a hostile guerrilla target. Groups such as
FARC The Revolutionary Armed Forces of Colombia – People's Army ( es, link=no, Fuerzas Armadas Revolucionarias de ColombiaEjército del Pueblo, FARC–EP or FARC) is a Marxist–Leninist guerrilla group involved in the continuing Colombian conflic ...
and the National Liberation Army were active in the area. Three employees of AirScan were flying the Skymaster plane from which they provided the Colombian military with the coordinates to drop the bombs. The operation had been planned by the CAF and AirScan at Occidental's complex in Caño Limón. In April 2003, Luis Alberto Galvis Mujica, a witness and survivor of the accident, sued Occidental. The courts ruled that Occidental was not liable for the incident.


''Maynas Carijano v. Occidental Petroleum''

On May 10, 2007, a group of 25
Achuar The Achuar are an Amazonian community of some 18,500 individuals along either side of the border in between Ecuador and Peru. As of the early 1970s, the Achuar were one of the last of the Jivaroan groups still generally unaffected by outside c ...
Peruvians Peruvians ( es, peruanos) are the citizens of Peru. There were Andean and coastal ancient civilizations like Caral, which inhabited what is now Peruvian territory for several millennia before the Spanish conquest in the 16th century; Peruvian p ...
, a group of
Indigenous peoples Indigenous peoples are culturally distinct ethnic groups whose members are directly descended from the earliest known inhabitants of a particular geographic region and, to some extent, maintain the language and culture of those original people ...
, filed suit against the company, demanding
environmental remediation Environmental remediation deals with the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface water. Remedial action is generally subject to an array of regulatory requirements, and may al ...
and
reparations Reparation(s) may refer to: Christianity * Restitution (theology), the Christian doctrine calling for reparation * Acts of reparation, prayers for repairing the damages of sin History *War reparations **World War I reparations, made from G ...
for
environmental degradation Environmental degradation is the deterioration of the environment (biophysical), environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; an ...
allegedly caused by the company between 1971 and 2000, when it drilled in Block 1-AB in Peru. The plaintiffs claimed that the company violated
technical standard A technical standard is an established norm or requirement for a repeatable technical task which is applied to a common and repeated use of rules, conditions, guidelines or characteristics for products or related processes and production methods, ...
s and
environmental law Environmental law is a collective term encompassing aspects of the law that provide protection to the environment. A related but distinct set of regulatory regimes, now strongly influenced by environmental legal principles, focus on the manage ...
when it dumped a total of of toxic oil
by-product A by-product or byproduct is a secondary product derived from a production process, manufacturing process or chemical reaction; it is not the primary product or service being produced. A by-product can be useful and marketable or it can be consid ...
s, such as cadmium, lead, and
arsenic Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but ...
, in
drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
s used by the Achuar people to fish, drink, and bathe. This environmental damage was alleged to have caused premature deaths and
birth defect A birth defect, also known as a congenital disorder, is an abnormal condition that is present at birth regardless of its cause. Birth defects may result in disabilities that may be physical, intellectual, or developmental. The disabilities can ...
s. A 2006 study by the Ministry of Health of Peru, found that all but 2 of the 199 people tested had levels of
cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of ...
in their blood above safe levels. The Achuar were represented by
EarthRights International EarthRights International (ERI) is an American nonprofit human rights and environmental organization founded in 1995 by Katie Redford, Ka Hsaw Wa, and Tyler Giannini. Cases * '' Doe v. Unocal Corp.'' * '' Wiwa v. Royal Dutch Shell Co.'' * '' Do ...
and the law firm Schonbrun DeSimone Seplow Harris & Hoffman LLP. On March 3, 2010, EarthRights International argued to the
United States Court of Appeals for the Ninth Circuit The United States Court of Appeals for the Ninth Circuit (in case citations, 9th Cir.) is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts in the following federal judicial districts: * District ...
that the case should be litigated in Los Angeles, where the company was headquartered. The court agreed with a trial in the United States, overturning the decision of the lower courts, and, in 2013, the
United States Supreme Court The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that involve a point o ...
refused to hear the company's appeal. In March 2015, the company made a
settlement Settlement may refer to: *Human settlement, a community where people live *Settlement (structural), the distortion or disruption of parts of a building * Closing (real estate), the final step in executing a real estate transaction *Settlement (fin ...
for an undisclosed amount, with the funds to be used for health, education, and nutrition projects in five Achuar communities in the
Corrientes River The Corrientes River is a river in Ecuador and Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Natio ...
basin.


Anadarko Petroleum Anadarko Petroleum Corporation was a company engaged in hydrocarbon exploration. It was organized in Delaware and headquartered in two skyscrapers in The Woodlands, Texas: the Allison Tower and the Hackett Tower, both named after former CEOs of ...

In 2019, Occidental Petroleum acquired
Anadarko Petroleum Anadarko Petroleum Corporation was a company engaged in hydrocarbon exploration. It was organized in Delaware and headquartered in two skyscrapers in The Woodlands, Texas: the Allison Tower and the Hackett Tower, both named after former CEOs of ...
inheriting a significant legacy of environmental infractions including the largest environmental contamination settlement in American history, involvement with the ''Deepwater Horizon'' BP disaster and fines under the Clean Water Act. The deal was clinched as investor and
Berkshire Hathaway Berkshire Hathaway Inc. () is an American Multinational corporation, multinational conglomerate (company), conglomerate holding company headquartered in Omaha, Nebraska, United States. Its main business and source of capital is insurance, from ...
CEO
Warren Buffett Warren Edward Buffett ( ; born August 30, 1930) is an American business magnate, investor, and philanthropist. He is currently the chairman and CEO of Berkshire Hathaway. He is one of the most successful investors in the world and has a net w ...
pledged $10 billion to finance the deal in exchange for 100,000 shares of cumulative perpetual preferred stock with a value of $100,000 per share. Buffett and Berkshire also received a warrant to purchase up to 80 million more shares at an exercise price of $62.50 a share.


Political record


Contributions

Occidental has disclosed its contributions to political action committees, lobbyists, and
trade association A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific Industry (economics), industry. An industry tra ...
s on its website. In 2005, the company was among 53 entities which contributed the maximum of $250,000 to the
Second inauguration of George W. Bush The second inauguration of George W. Bush as the 43rd president of the United States took place on Thursday, January 20, 2005, at the West Front of the United States Capitol in Washington, D.C. This was the 55th inauguration and marked the be ...
. The company also donated between $10,000 and $25,000 to the
Clinton Foundation The Clinton Foundation (founded in 2001 as the William J. Clinton Presidential Foundation, and renamed in 2013 as the Bill, Hillary & Chelsea Clinton Foundation) is a nonprofit organization under section 501(c)(3) of the U.S. tax code. It was e ...
.


Gore family

Former CEO Armand Hammer was a long time friend of former
U.S. Senator The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and powe ...
Albert Gore, Sr. and Gore was a member of the board of directors of the company. In September 1972, after he lost an election for the
United States Senate The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and pow ...
in 1970, Gore became the head of Island Creek Coal Company, an Occidental subsidiary. Much of the company's coal and phosphate production was in
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
, the state Gore represented in the Senate, and Gore owned shares in the company. The company liquidated its coal assets in 1993 after Hammer died. Former Vice President of the United States
Al Gore Albert Arnold Gore Jr. (born March 31, 1948) is an American politician, businessman, and environmentalist who served as the 45th vice president of the United States from 1993 to 2001 under President Bill Clinton. Gore was the Democratic Part ...
was criticized by environmentalists when he inherited shares in the company after the death of his father in 1998; however, the shares were immediately sold. In 1998, the U.S. government sold the
Elk Hills Oil Field The Elk Hills Oil Field (formerly the Naval Petroleum Reserve No. 1) is a large oil field in western Kern County, in the Elk Hills of the San Joaquin Valley, California in the United States, about west of Bakersfield. Discovered in 1911, and ...
to Occidental for $3.65 billion after an auction process that involved selling the field in segments and offering it to multiple bidders. However, critics cited the Gore family's involvement with the company as evidence of
graft Graft or grafting may refer to: *Graft (politics), a form of political corruption *Graft, Netherlands, a village in the municipality of Graft-De Rijp Science and technology *Graft (surgery), a surgical procedure *Grafting, the joining of plant ti ...
.


Safety record

In 1999, OxyChem achieved Star Status under OSHA's Voluntary Protection Programs as being among the safest work sites in the U.S.


Piper Alpha

On July 6, 1988, the company's
Piper Alpha Piper Alpha was an oil platform located in the North Sea approximately north-east of Aberdeen, Scotland. It was operated by Occidental Petroleum (Caledonia) Limited (OPCAL) and began production in 1976, initially as an oil-only platform but la ...
offshore production platform in the
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
was destroyed when an out of service gas
condensate pump A condensate pump is a specific type of pump used to pump the condensate (water) produced in an HVAC (heating or cooling), refrigeration, condensing boiler furnace, or steam system. Applications Condensate pumps may be used to pump the condensate ...
was started with its pressure
safety valve A safety valve is a valve that acts as a fail-safe. An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds ...
removed. The subsequent
gas leak A gas leak refers to a leak of natural gas or another gaseous product from a pipeline or other containment into any area where the gas should not be present. Gas leaks can be hazardous to health as well as the environment. Even a small leak into ...
, explosion and fire resulted in the deaths of 167 workers in what remains the world's deadliest offshore disaster.


Greenmail

In 1984, billionaire David Murdock owned about 5% of the company and was a member of its board of directors, after the company acquired
IBP, Inc. Tyson Fresh Meats, Inc., formerly IBP, Inc. and Iowa Beef Processors, Inc., is an American meat packing company based in Dakota Dunes, South Dakota, United States. IBP was the United States' biggest beef packer and its number two pork processor. ...
, of which Murdock owned 19%. After disagreements between Murdock and then CEO Armand Hammer, the company paid
greenmail Greenmail or greenmailing is the action of purchasing enough shares in a firm to challenge a firm's leadership with the threat of a hostile takeover to force the target company to buy the purchased shares back at a premium in order to prevent the ...
to buy Murdock's shares at $40.09 each, while the market price was $28.75.


See also

*
List of oil exploration and production companies The following is a list of notable companies in the petroleum industry that are engaged in petroleum exploration and production. The list is in alphabetical order by continent and then by country. This list does not include companies only involved ...


References


Books

* Epstein, Edward Jay. ''Dossier: The Secret History of Armand Hammer''. New York:
Random House Random House is an American book publisher and the largest general-interest paperback publisher in the world. The company has several independently managed subsidiaries around the world. It is part of Penguin Random House, which is owned by Germ ...
(1996). . 418 pages.


External links

* {{authority control, state=expanded 1920 establishments in California American companies established in 1920 Chemical companies of the United States Companies based in Houston Companies listed on the New York Stock Exchange Energy companies established in 1920 Love Canal Natural gas companies of the United States Non-renewable resource companies established in 1920 Oil companies of the United States Oil shale companies of the United States