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Submersible Diaphragm Pump Composite Coiled Tubing Oil Production System

A composite material and oil production system technology, applied in the field of composite material coiled tubing oil production system of submersible diaphragm pump, can solve the problems of rod pumping difficulty, mismatch, broken rod, etc., save operation time, reduce high accident rate, The effect of reducing work intensity

Active Publication Date: 2019-02-19
上海飞舟博源材料科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of inclined wells, horizontal wells, deep wells, heavy oil wells, etc., pumping with rods is more difficult, and there are common problems such as eccentric wear, broken rods, air pumping, wax deposition, scaling, and mismatch between formation pressure and liquid production volume. , some oil wells have been incapable of producing oil with rods

Method used

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  • Submersible Diaphragm Pump Composite Coiled Tubing Oil Production System
  • Submersible Diaphragm Pump Composite Coiled Tubing Oil Production System
  • Submersible Diaphragm Pump Composite Coiled Tubing Oil Production System

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Embodiment Construction

[0046] Such as figure 1 As shown, the composite material coiled tubing oil production system of the submersible diaphragm pump of the present invention comprises a continuous composite material coiled tube 7, and one end (top) of the composite material coiled tube 7 is crimped and connected with a suspension fitting 6, so that the composite material coiled tube This end of 7 is fixed at the wellhead 4 on the surface; the other end (bottom) of the composite material coiled tubing 7 is buckled and connected to a downhole fitting 8, and is connected to the downhole submersible diaphragm pump 10 through the transition joint 9, and the downhole submersible diaphragm pump 10 is decelerated The device 11 and the coupling 12 are connected to the downhole submersible motor 13; the downhole sensor 14 is arranged in the downhole; the downhole sensor 14 is used to measure the temperature and pressure in the downhole;

[0047] The transition joint 9 can be a hydraulic anchor with functions...

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Abstract

The invention discloses a submersible diaphragm pump and composite coiled tube oil extraction system which comprises a continuous composite coiled tube. One end of the composite coiled tube is connected with a hanging hardware fitting in a pressed mode to be fixed at a ground well mouth, and the other end of the composite coiled tube is connected with a downhole hardware fitting in a pressed mode and connected with a downhole submersible diaphragm pump through a transition joint; the downhole submersible diaphragm pump is driven by a downhole submersible motor; multiple power cables and multiple data communication optical fibers are inlaid into the composite coiled tube; the downhole submersible motor is connected with a power supply arranged on the ground through the power cables; a downhole sensor is arranged in the downhole, and data collected by the downhole sensor is transmitted to a controller arranged on the ground through the data communication optical fibers. According to the submersible diaphragm pump and composite coiled tube oil extraction system, transmission among downhole power, the sensor data and a ground control device is achieved through the composite coiled tube, the advantages of saving energy and resisting scaling and paraffin precipitation are achieved, and intelligentized oil extraction can be more easily achieved.

Description

technical field [0001] The invention relates to a non-rod lifting oil production system, in particular to a coiled tubing oil production system made of composite materials of a submersible diaphragm pump. Background technique [0002] At present, there are hundreds of thousands of oil wells on land in China, and rod pumping is the main oil production technology. With the increase of inclined wells, horizontal wells, deep wells, heavy oil wells, etc., pumping with rods is more difficult, and there are common problems such as eccentric wear, broken rods, air pumping, wax deposition, scaling, and mismatch between formation pressure and liquid production volume. , some oil wells have been incompetent in the production method with rods. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a coiled tubing oil recovery system made of composite material of a submersible diaphragm pump, which can realize intelligent oil recov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/00E21B17/00
CPCE21B17/00E21B43/00
Inventor 冯国竟夏小军吴致力张放
Owner 上海飞舟博源材料科技股份有限公司
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