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Choke manifold. In oil and gas production a choke manifold is used to lower the pressure from the well head. It consist of a set of high pressure valves and at least two chokes. These chokes can be fixed or adjustable or a mix of both. The redundancy is needed so that if one choke has to be taken out of service, the flow can be directed through ...
Estimated pore pressure. Estimated pore pressure, as used in the oil industry and mud logging, is an approximation of the amount of force that is being exerted into the borehole by fluids or gases within the formation that has been penetrated. [1] In the oil industry, estimated pore pressure is measured in pounds per square inch (psi), but is ...
Casing hanger. In petroleum production, the casing hanger is that portion of a wellhead assembly which provides support for the casing string when it is lowered into the wellbore. It serves to ensure that the casing is properly located. When the casing string has been run into the wellbore it is hung off, or suspended, by a casing hanger, which ...
In April 1992, Baker Hughes acquired Teleco Oilfield Services, a provider of directional measurement-while-drilling technology, from Sonat for $200 million cash, preferred stock and royalty from future sales of Teleco's "triple combo" sensors. Teleco Oilfield Services was founded in 1972 and introduced the world's first MWD tool in 1978.
Mud is a vital part of drilling operations. It provides hydrostatic pressure on the borehole wall to prevent uncontrolled production of reservoir fluids, lubricates and cools the drill bit, carries the drill cuttings up to the surface, forms a "filter-cake" on the borehole wall to prevent drilling fluid invasion, provides an information medium for well logging, and helps the drilling by ...
The Adar oilfield, also known as the Adar Yale, Adar Yeil or Adaril field, is an oilfield situated in the Melut in South Sudan estimated to contain about 276 million barrels (43,900,000 m 3) of oil. [1] The Chevron Corporation discovered the Adar Yale field in 1981, shortly before the start of the Second Sudanese Civil War (1983–2005).
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