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Downhole oil–water separation technology — (DOWS) is an emerging technology that separates oil and gas from produced water at the bottom of the well, and re injects most of the produced water into another formation which is usually deeper than the producing formation, while the oil and… … Wikipedia
Downhole safety valve — A downhole safety valve refers to a component on an oil and gas well, which acts as a failsafe to prevent the uncontrolled release of reservoir fluids in the event of a worst case scenario surface disaster. It is almost always installed as a… … Wikipedia
Downhole heat exchanger — Bottom end of a Downhole heat exchanger … Wikipedia
downhole — /down hohl /, n. 1. a hole dug or drilled downward, as in a mine or a petroleum or gas well. adj. 2. occurring or situated in such a hole. [DOWN1 + HOLE] * * * … Universalium
downhole — ˈ ̷ ̷ ¦ ̷ ̷ adjective Etymology: down (III) + hole : of, relating to, or used in a hole in the earth and especially in a borehole … Useful english dictionary
Permanent Downhole Gauge — A Permanent Downhole Gauge (PDG) is a pressure and/or temperature gauge permanently installed in an oil or gas well. Typically they are installed in tubing in the well and can measure the tubing pressure or annulus pressure or both. Systems… … Wikipedia
Турбинное бурение — ► downhole turbine motor drilling Один из видов вращательного бурения с двигателем непосредственно у забоя. В качестве источника энергии при турбинном бурении используется поток промывочной жидкости, циркулирующей под давлением и проходящей через … Нефтегазовая микроэнциклопедия
Measurement while drilling — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · … Wikipedia
Artificial lift — involves the use of artificial means to increase the flow of liquids, such as crude oil or water, to the surface of a production well. Generally this is achieved by a mechanical device inside the well, such as a pump; decreasing the weight of the … Wikipedia
Completion (oil and gas wells) — This article is about the oil or gas well completion. For other uses of completion, see Completion (disambiguation) In petroleum production, completion is the process of making a well ready for production (or injection). This principally involves … Wikipedia
