Oil production system

By introducing bidirectional anchors and cable expansion devices into the oil production system, the problems of packer unsealing and cable missegmentation caused by the reciprocating motion of the oil pump were solved, thereby improving the stability and economic benefits of the oil production system.

CN117345170BActive Publication Date: 2026-07-07PETROCHINA CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
PETROCHINA CO LTD
Filing Date
2022-06-27
Publication Date
2026-07-07

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    Figure CN117345170B_ABST
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Abstract

The embodiment of the present application discloses an oil production system, comprising: a pipe string sleeve, the pipe string is arranged in the sleeve; a two-way anchor, which is sleeved on the pipe string and is used for anchoring on the sleeve; a cable-crossing packer, which is sleeved on the pipe string; a detection cable, which passes through the cable-crossing packer; and a cable telescopic device, which comprises a telescopic spring, both ends of the telescopic spring are connected to the detection cable. The oil production system provided by the embodiment of the present application can pass through the cable-crossing packer to set the cable transmission signal control downhole oil nozzle switch, has fast data transmission, can transmit data bidirectionally, can improve the oilfield recovery rate, save the development cost, and has good economic benefits; the embodiment of the present application adopts the two-way anchor with the two-way anchoring function, reduces the elongation of the pipe string to the cable-crossing packer and the detection cable, increases the cable telescopic device, can offset the influence of the pipe string on the cable due to the alternating load, and improves the stability of the oil production system.
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