Hard cable injection system

A technology for injecting systems and cables, applied in cable laying equipment, electrical components, electromechanical devices, etc., to save costs, ensure service life, and prevent transmission from being blocked or failing.

Active Publication Date: 2016-10-26
XIAN CARNATION ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no equipment to solve such problems through ground equipment at home and abroad.

Method used

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] Such as Figure 1 to Figure 18 As shown, a hard cable injection system of the present invention includes an electric control box 11 and a rack unit 1 that control the work of the entire hard cable injection system. The rack unit 1 is provided with a mechanical transmission unit 2 and a mechanical drive unit 3. The transmission unit 2 is connected with the mechanical drive unit 3, the mechanical transmission unit 2 is used to clamp and lower the cable 12, the mechanical drive unit 3 is used to drive the mechanical transmission unit 2; the frame unit 1 is also provided with a hydraulic clamping unit 5 , the hydraulic clamping unit 5 is used to apply clamping force to the mechanical transmission unit 2 to clamp the cable 12; the mechanical drive unit 3 and the hydraulic clamping unit 5 are respectively connected to the electric control box 11.

[0028] Such as F...

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Abstract

The invention relates to the technical field of oil well logging, and specifically relates to a hard cable injection system. The hard cable injection system comprises an electric control box for controlling work of the whole hard cable injection system and a rack unit. The rack unit is equipped with a mechanical transmission unit and a mechanical drive unit which are connected. The mechanical transmission unit is used for clamping a cable and placing the cable down. The mechanical drive unit is used for driving the mechanical transmission unit. The rack unit is further equipped with a hydraulic clamping unit which is used for applying a clamping force for cable clamping to the mechanical transmission unit. The mechanical drive unit and the hydraulic clamping unit are connected with the electric control box. The system can overcome down-hole pressure to place a cable down in a well. In the process of cable placing, the tension of a logging cable can be observed in real time, and whether an instrument connected to the cable or the cable is blocked or whether the cable is still wound on an oil pipe can be judged according to the change in tension of the cable.

Description

【Technical field】 [0001] The invention relates to the technical field of petroleum logging, in particular to a hard cable injection system. 【Background technique】 [0002] Hard cable is well logging cable, which is used for well logging, perforating, coring and other operations of various oil and gas wells, and is used as a connection line between the surface system and underground instruments for hanging weight connection and transmitting measurement data. Its main function is to withstand tension, system power supply, signal transmission, and depth control. The important role of the logging cable in the logging work is to transmit various downhole instruments, transmit various signals between the ground control system and the downhole instrument, and obtain the depth position of the downhole information, etc. During well logging operations, the lowering of the cable and the instrument can generally be lowered normally depending on the weight of the instrument. With the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/08H02K7/116
CPCH02G1/08H02K7/116
Inventor 刘九州徐军明唐文强康茂轩杨家强王坤
Owner XIAN CARNATION ENERGY TECH
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