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Coiled tubing cable sealing and fixing device

A cable sealing and fixing device technology, which is applied to the parts of the connecting device, the device for joining/disconnecting the connecting parts, the coupling device, etc., can solve the problems of cable insulation, etc., and achieve the effect of improving the sealing and preventing the entry of mud

Pending Publication Date: 2021-12-28
XIAN CARNATION ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main problem is how to fix the cable and the coiled tubing at the end of the coiled tubing, so that the liquid inside the coiled tubing will not flow to the lower end, causing problems in the insulation of the cable. The problem of sealing, to ensure the insulation requirements of normal logging

Method used

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  • Coiled tubing cable sealing and fixing device
  • Coiled tubing cable sealing and fixing device
  • Coiled tubing cable sealing and fixing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Specifically, according to figure 1 As shown, the coiled tubing cable sealing and fixing device includes a cable fixing assembly, a mechanical throwing assembly, a connecting shell 16 and an electrical transformation assembly; wherein, the cable fixing assembly, the mechanical throwing assembly, the connecting casing 16 and the electrical transformation assembly are coaxial Setting; one end of the cable fixing assembly is threaded in one end of the mechanical throwing assembly for pressing and fixing the cable; the other end of the mechanical throwing assembly is threaded in one end of the connecting shell 16, and in one end of the connecting shell 16 A cable sealing assembly is provided on the mechanical throwing assembly; the other end of the connecting shell 16 is threadedly connected to the electrical conversion assembly.

[0039] according to figure 1 As shown, the cable fixing assembly includes an upper joint body 2, a positioning split screw ring 5, a clamp seat...

Embodiment 2

[0049] Specifically, according to Figure 5 As shown, the coiled tubing cable sealing and fixing device includes a cable fixing assembly, a mechanical release assembly, a connecting shell 16 and an electrical conversion assembly; one end of the cable fixing assembly is threaded into one end of the mechanical release assembly for compression Fix the cable; the other end of the mechanical drop assembly is threaded in one end of the connecting shell 16, and a cable sealing assembly is provided on the mechanical drop assembly in one end of the connecting shell 16; the other end of the connecting shell 16 is screwed into the electrical conversion components.

[0050] Specifically, according to Figure 5As shown, the cable fixing assembly includes slip upper connector 1-1, slip 1-2, slip shell 1-3, backing ring 1-4 and compression nut 1-5; one end of slip upper connector 1-1 Assemble the protective cap 1, the other end of the joint 1-1 on the slip is threaded to one end of the sli...

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PUM

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Abstract

The invention provides a coiled tubing cable sealing and fixing device. The coiled tubing cable sealing and fixing device comprises a cable fixing assembly, a mechanical releasing assembly, a connecting shell and an electrical conversion assembly. The cable fixing assembly effectively compacts and fixes a cable penetrating through the device, meanwhile, a cable sealing assembly is arranged on the mechanical releasing assembly in one end of the connecting shell, sealing of the device is effectively improved, mud is prevented from entering, the cable can be sealed at the lower end through a rubber block after being fixed, liquid in the coiled tubing at the upper end cannot flow down, sealing is achieved, the liquid is prevented from entering the lower end to affect insulation, and normal logging is realized.

Description

technical field [0001] The invention relates to the technical field of petroleum well logging, in particular to a coiled tubing cable sealing and fixing device. Background technique [0002] In the process of oil drilling, wireline logging is required, but for highly deviated wells and horizontal wells, logging through drill pipe transmission is required. In recent years, the development of coiled tubing has continuously enhanced the efficiency and reliability of downhole operations. Wireline logging inside coiled tubing has become the mainstream of logging. [0003] After the coiled tubing passes through the cable, it is necessary to connect the lower instrument string with the coiled tubing. Therefore, it is necessary to develop an intermediate bridge that can connect the coiled tubing and the instrument string after the cable is passed. At present, the main problem is how to fix the cable and the coiled tubing at the end of the coiled tubing, so that the liquid inside t...

Claims

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Application Information

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IPC IPC(8): E21B17/02H01R13/502H01R13/52H01R13/622
CPCE21B17/021E21B17/0285E21B17/023H01R13/622H01R13/5205H01R13/502
Inventor 刘九州孙耀龙徐军明卢亚刚王坤
Owner XIAN CARNATION ENERGY TECH
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