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Mud Cleaner
A mud cleaner is a combination of desanders and/or wiktionary:desilter, desilters to remove drilled solids from mud. History Although US Patent No.3,766,997 covering Mud Cleaner was issued on October 23, 1973 granted to J.K. Heilhecker and L.H. Robinson and assigned to Exxon Production Research Company, it was found invalid and efforts for re-issue was unsuccessful because of the existence of prior art filed at the UK Intellectual Property Office, British Patent Office by a German Inventor in the late 1800s. Nowadays, mud cleaner used in oilfield means the equipment processing Drilling fluid, drilling mud. It is combined with desander cone and desilter cone as well as bottom shaker. It is called 2nd and 3rd phase solids control equipment. Description A mud cleaner is a combination of desanders and/or desilters mounted over a shaker with a fine mesh screen. A mud is fed to the inlet of the hydrocyclone (desander and/or desilter) to separate particles and the underflow passes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Desander
Desanders and desilters are solid control equipment with a set of hydrocyclones that separate sand and silt from the drilling fluids in drilling rigs. Desanders are installed on top of the mud tank following the shale shaker and the degasser, but before the desilter. Desander removes the abrasive solids from the drilling fluids which cannot be removed by shakers. Normally the solids diameter for desander to be separated would be 45~74μm, and 15~44μm for desilter. A centrifugal pump is used to pump the drilling fluids from mud tank into the set of hydrocyclones. Solids control Desanders have no moving parts. The larger the internal diameter of the desander is, the greater the amount of drilling fluids it is able to process and the larger the size of the solids removed. A desander with a ( cone) is able to remove 50% of solids within the 40-50 μm (micrometre) range at a flow rate of , whilea desilter ( Cone) is able to remove 50% of solids within the 15-20 μm range at a f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Desilter
Desanders and desilters are solid control equipment with a set of hydrocyclones that separate sand and silt from the drilling fluids in drilling rigs. Desanders are installed on top of the mud tank following the shale shaker and the degasser, but before the desilter. Desander removes the abrasive solids from the drilling fluids which cannot be removed by shakers. Normally the solids diameter for desander to be separated would be 45~74μm, and 15~44μm for desilter. A centrifugal pump is used to pump the drilling fluids from mud tank into the set of hydrocyclones. Solids control Desanders have no moving parts. The larger the internal diameter of the desander is, the greater the amount of drilling fluids it is able to process and the larger the size of the solids removed. A desander with a ( cone) is able to remove 50% of solids within the 40-50 μm (micrometre) range at a flow rate of , whilea desilter ( Cone) is able to remove 50% of solids within the 15-20 μm range at a flo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prior Art
Prior art (also known as state of the art or background art) is a concept in patent law used to determine the patentability of an invention, in particular whether an invention meets the novelty and the inventive step or non-obviousness criteria for patentability. In most systems of patent law, prior art is generally defined as anything that is made available, or disclosed, to the public that might be relevant to a patent's claim before the effective filing date of a patent application for an invention. However, notable differences exist in how prior art is specifically defined under different national, regional, and international patent systems. The prior art is evaluated by patent offices as part of the patent granting process in what is called “substantive examination” of a patent application in order to determine whether an invention claimed in the patent application meets the novelty and inventive step or non-obviousness criteria for patentability. It may also be consid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UK Intellectual Property Office
The Intellectual Property Office of the United Kingdom (often referred to as the UK IPO) is, since 2 April 2007, the operating name of The Patent Office. It is the official government body responsible for intellectual property rights in the UK and is an executive agency of the Department for Business, Energy and Industrial Strategy (BEIS). Responsibilities The IPO has direct administrative responsibility for examining and issuing or rejecting patents, and maintaining registers of intellectual property including patents, designs and trade marks in the UK. As in most countries, there is no statutory register of copyright and the IPO does not conduct any direct administration in copyright matters. The IPO is led by the Comptroller General of Patents, Designs and Trade Marks, who is also Registrar of Trade Marks, Registrar of Designs and Chief Executive of the IPO. Since 1 May 2017, the Comptroller has been Tim Moss, following the resignation of John Alty who had been Comptroller ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drilling Fluid
In geotechnical engineering, drilling fluid, also called drilling mud, is used to aid the drilling of boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells. One of the functions of drilling mud is to carry cuttings out of the hole. The three main categories of drilling fluids are: water-based muds (WBs), which can be dispersed and non-dispersed; non-aqueous muds, usually called oil-based muds (OBs); and gaseous drilling fluid, in which a wide range of gases can be used. Along with their formatives, these are used along with appropriate polymer and clay additives for drilling various oil and gas formations. The main functions of drilling fluids include providing hydrostatic pressure to prevent formation fluids from entering into the well bore, keeping the drill bit cool and clean during drilling, carrying out drill cuttings, and suspending t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydrocyclone
Hydrocyclones are a type of cyclonic separators that separate product phases mainly on basis of differences in gravity with aqueous solutions as the primary feed fluid. As opposed to dry or dust cyclones, which separate solids from gasses, hydrocyclones separate solids or different phase fluids from the bulk fluid. A hydrocyclone comprises a cylindrical shaped feed part with tangential feed; an overflow part with vortex finder; a conical part with an apex. A cyclone has no moving parts. Working principle Product is fed into the hydrocyclone tangentially under a certain pressure. This creates a centrifugal movement, pushing the heavier phase outward and downward alongside the wall of the conical part. The decreasing diameter in the conical part increases the speed and so enhances the separation. Finally, the concentrated solids are discharged through the apex. The vortex finder in the overflow part creates a fast rotating upward spiral movement of the fluid in the centre of the co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barite
Baryte, barite or barytes ( or ) is a mineral consisting of barium sulfate ( Ba S O4). Baryte is generally white or colorless, and is the main source of the element barium. The ''baryte group'' consists of baryte, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate). Baryte and celestine form a solid solution (Ba,Sr)SO4. Names and history The radiating form, sometimes referred to as ''Bologna Stone'', attained some notoriety among alchemists for specimens found in the 17th century near Bologna by Vincenzo Casciarolo. These became phosphorescent upon being calcined. Carl Scheele determined that baryte contained a new element in 1774, but could not isolate barium, only barium oxide. Johan Gottlieb Gahn also isolated barium oxide two years later in similar studies. Barium was first isolated by electrolysis of molten barium salts in 1808 by Sir Humphry Davy in England. The American Petroleum Institute specification API 13/ISO 13500, which gover ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mud Systems
Effective solids control can be attributed to the overall performance of all the components of the mud systems. Conditioning the drilling fluid with the goal of dramatically lowering maintenance cost, avoiding excessive chemical treatment and maintaining mud systems volume will decrease the chance of equipment failure, unnecessary high mud costs, hole and drilling problems. In the early oil industry open earthen pits were used as settling area to separate solids and mud thereby acting as a solids control equipment. Now, with the stringent environmental regulations and high mud costs, the economics of an effective mud system come into consideration. Differensolids controlcompanies introduce zero-discharge systems, closed-loop systemstechnology, screening technology, disposal options etc. Different Sections of surface mud systems #''Removal Section.'' Separation of undesirable drilled solids and even gas occurs in this section. #''Addition Section.'' Commercial chemicals are being ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
