Tesco Corporation was an

oilfield A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the presence ...

services company that provided

top drive A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel's place below the traveling block and ...

rental services on a day-rate basis for land and

oil platform An oil platform (or oil rig, offshore platform, oil production platform, and similar terms) is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formations beneath the seabed. Many oil platfor ...

s as well as casing running. It was headquartered in

Spring Branch, Houston Spring Branch is a district in west-northwest Harris County, Texas, United States, roughly bordered by Tanner Road and Hempstead Road to the north, Beltway 8 to the west, Interstate 10 to the south, and the 610 Loop to the east; it is almost en ...

. In December 2017, the company was acquired by

Nabors Industries Nabors Industries Limited is an American global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors owns the largest land drilling fleet in the world with approximately 400 rigs in more than 20 countries ...

History

The company traces its routes to a company founded in 1986 by Robert Tessari. On December 1, 1993, Tesco Corporation was formed through the amalgamation of Shelter Oil and Gas Ltd., Coexco Petroleum Inc., Forewest Industries Ltd. and Tesco Corporation. The company also became a

public company A public company is a company whose ownership is organized via shares of stock which are intended to be freely traded on a stock exchange or in over-the-counter markets. A public (publicly traded) company can be listed on a stock exchange (l ...

. In 1994, Tesco's portable land

won a Special Meritorious Award for Engineering at the

Offshore Technology Conference Offshore Technology Conference (OTC) is a series of conferences and exhibitions, focused on the exchanging technical knowledge relevant to the development of offshore energy resources, primarily oil and natural gas. It was founded in 1969. There a ...

show. The team responsible for the research and development of the portable top drive included Robert Tessari, Lindsay J. Hood and Per Angman. In 1995, the company opened a sales office in

Beijing } Beijing ( ; ; ), alternatively romanized as Peking ( ), is the capital of the People's Republic of China. It is the center of power and development of the country. Beijing is the world's most populous national capital city, with over 21 ...

. In 2002, the company acquired Bo Gray Casing Co. and A&M Tubular Maintenance for $10.5 million. In 2006, the company moved its headquarters from

Calgary Calgary ( ) is the largest city in the western Canadian province of Alberta and the largest metro area of the three Prairie Provinces. As of 2021, the city proper had a population of 1,306,784 and a metropolitan population of 1,481,806, makin ...

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 ...

, while continuing to manufacture in Calgary. In 2011, the company acquired Premiere Casing Services - Egypt S.A.E. In 2012, Tesco sold its CASING DRILLING™ division to

Schlumberger Schlumberger Limited (), doing business as SLB, is an oilfield services company. Schlumberger has four principal executive offices located in Paris, Houston, London, and The Hague. Schlumberger is the world's largest offshore drilling compa ...

for $45 million. In 2013, the company acquired automated catwalk technology from Custom Pipe Handlers Canada. In 2014, the company acquired Tech Field Services. In August 2014, Judge Keith P. Ellison of Houston Texas dismissed with prejudice a lawsuit in which Tesco had been suing several competitors for infringement of . Glenn A. Ballard Jr. of global law firm Bracewell & Giuliani was rebuked for lying to the court. In December 2014, Fernando Assing was appointed President and CEO of the company. In December 2017, the company was acquired by

References

{{Reflist, 1 2017 mergers and acquisitions Companies formerly listed on the Nasdaq Defunct companies based in Texas Defunct energy companies of the United States Energy companies disestablished in 2017