Horizontal well two-stage relay type plunger lifting device and method and movable ball core plunger

The invention provides a horizontal well two-stage relay type plunger lifting device, a horizontal well two-stage relay type plunger lifting method and a movable ball core plunger. The horizontal well two-stage relay type plunger lifting device sequentially comprises a first pressure control type ch...

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Hauptverfasser: CUI JIAN, XU JIANLIANG, JIANG SONGLIAN, ZHONG SICUN, CAO YINPING, CAI MOLUN, WANG YONG, WU YIJIA
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creator CUI JIAN
XU JIANLIANG
JIANG SONGLIAN
ZHONG SICUN
CAO YINPING
CAI MOLUN
WANG YONG
WU YIJIA
description The invention provides a horizontal well two-stage relay type plunger lifting device, a horizontal well two-stage relay type plunger lifting method and a movable ball core plunger. The horizontal well two-stage relay type plunger lifting device sequentially comprises a first pressure control type check valve, a first plunger buffer, a movable ball core plunger, a second plunger buffer, a second pressure control type check valve, a third pressure control type check valve, a third plunger buffer, a common plunger and a common plunger lifting wellhead device from bottom to top. According to the two-stage relay type plunger lifting production method for the horizontal well, one-time well closing and one-time well opening can serve as a production cycle. Pressure changes of all parts in a well can be achieved through stratum natural energy or other energy, reciprocating motion of the movable ball core plunger at the two ends of a horizontal section oil pipe is achieved, then accumulated liquid near a horizontal se
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Horizontal well two-stage relay type plunger lifting device and method and movable ball core plunger
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