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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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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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. 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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</abstract><oa>free_for_read</oa></addata></record> |
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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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