Super-hydrophilic underground oil-water separator and sucker-rod pump same-well injection-production process pipe string thereof
An oil-water separator and separator technology, applied in wellbore/well components, drill pipes, drill pipes, etc., can solve the problems of only 50% success rate, small processing capacity, affecting service life, etc., and achieve the processing capacity. Adjustable, high separation efficiency and simple structure
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Embodiment 1
[0028] Such as figure 1 As shown, the present invention provides a super-hydrophilic downhole oil-water separator 90. The inside of the oil-water separator 90 is provided with three passages, which are respectively the outer annular passage 91 of the separator, the inner annular passage 92 of the separator and the main passage of the separator. Channel 93. Among them, the inner annular channel 92 of the separator is used for sealing the sucker rod to pass through, the outer annular channel 91 of the separator is used to store the separated water and form a water flow channel, and the main channel 93 of the separator is the liquid of crude oil with high water content. The crude oil with high water content is dehydrated while flowing through the main channel 93 of the separator, and the separated water enters the outer annular channel 91 of the separator, and the dehydrated crude oil continues upward through the main channel 93 of the separator. Therefore, the separator inner a...
Embodiment 2
[0037] Such as figure 2 As shown, the present invention also provides a rod pump injection-production process string 100 in the same well. The process string 100 is set in the casing, including the rod pump 12, the packer and the oil-water separation in the first embodiment. device 90. Rod oil well pump 12 can adopt the rod oil well pump of the prior art, as image 3 As shown, the present embodiment adopts the conventional rod well pump 12 commonly used in oil fields and mines at present. The rod well pump 12 includes a pump barrel 26, a plunger 27, a liquid outlet hole 28 in the upper part of the plunger, a liquid inlet hole 29 in the middle part of the plunger, a liquid outlet hole 30 in the lower part of the plunger, a liquid inlet channel 31, an upstream valve 32, and an annular cavity 33. Downstream Verse 34. The oil-water separator 90 is set above the rod well pump 12, and the number of packers is set according to the needs. In this embodiment, a lower packer 6 is se...
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