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Tool and method for loading and unloading source of pump-out lithology density logging tool

A technology of lithology density and logging tools, which is applied in the direction of hand-held tools and manufacturing tools, to reduce the loading and unloading time, solve the problem of loading and unloading sources, and reduce the damage

Active Publication Date: 2018-06-01
718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a simple structure, easy to operate, safe and reliable pump-out lithology density logging instrument loading and unloading source tool, which solves the problem of pumping-out lithology density logging instrument loading and unloading source

Method used

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  • Tool and method for loading and unloading source of pump-out lithology density logging tool
  • Tool and method for loading and unloading source of pump-out lithology density logging tool
  • Tool and method for loading and unloading source of pump-out lithology density logging tool

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: see attached figure 1 , a pump-out type lithology density logging instrument loading and unloading source tool, which includes: a rocker 3, a connecting rod 4, a handle 5, an outer cylinder 6, a push rod 7, a transition joint 8, a source 9, and a shrapnel 10;

[0021] Connect the right end of the connecting rod 4 with the push rod 7 and put it into the outer cylinder 6 as a whole, and the left end extends out of the outer cylinder 6 to connect with the rocking handle 3; Threaded connection with the transition joint 8; the source 9 is installed in the annular groove at the right end of the transition joint 8, and the shrapnel 10 is installed in the groove of the source 9;

[0022] The front end of the push rod 7 has a large chamfer, which can move in the transition joint 8 and the source 9;

[0023] The front end of the shrapnel 10 is provided with a hemispherical protrusion, which is completely recessed in the source 9 after the installation is completed;...

Embodiment 2

[0024] Embodiment 2: a kind of method for loading and unloading source of pump-out type lithology density logging instrument, it uses pump-out type lithology density logging instrument loading and unloading source tool as described in embodiment 1, comprises the following steps:

[0025] A. Put the source 9 into the square slot of the radioactive source 2, rotate the handle 3, drive the push rod 7 to move to the right, push the shrapnel 10 out from the source 9, and use the hemispherical protrusion at the front end of the shrapnel 10 to block the radioactive source 2;

[0026] B. Move the radioactive source 2 from the storage tank to the source bin of the pump-out lithology density logging tool, and rotate the handle 5 to screw the radioactive source 2 into the source bin of the pump-out lithology density logging tool;

[0027] C. Rotate the crank handle 3 to drive the push rod 7 to move to the left, the shrapnel 10 automatically rebounds into the source 9, and the source loadi...

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Abstract

The invention belongs to the technical field of petroleum logging and particularly relates to a pump-out type lithologic density logging instrument. According to the technical scheme, a source assembling and disassembling tool for the pump-out type lithologic density logging instrument comprises a rocking handle, a connecting rod, a grip, an outer barrel, a pushing rod, a transition connector, a source head and an elastic piece; and an external device is a radioactive source. The left end of the connecting rod is connected with the rocking handle, the right end of the connecting rod is connected with the pushing rod, and the whole connecting rod is arranged in the outer barrel. The left end of the outer barrel is connected with the connecting rod through threads, the grip is installed outside the position close to the left end of the outer barrel, and the right end of the outer barrel is connected with the transition connector. The source head is installed at the right end of the transition connector, and the elastic piece is installed in an external groove of the source head. The source assembling and disassembling tool for the pump-out type lithologic density logging instrument is simple in structure, convenient to operate, safe and reliable, source assembling and disassembling time is shortened, and the harm of the radioactive source to source assembling persons can be reduced due to the lengthening design of the outer barrel and the connecting rod.

Description

technical field [0001] The invention belongs to the technical field of petroleum well logging, in particular to a pump-out lithology density logging instrument. Background technique [0002] The pump-out lithology density logging tool is a newly developed nuclear logging tool in China, and radioactive sources need to be installed on it during logging. During installation, the radioactive source needs to be taken out of the storage tank and then installed on the logging instrument. After use, the radioactive source also needs to be removed from the logging tool and put into a storage tank. Under the current situation, the installation and disassembly of radioactive sources are done manually, and if there are no suitable loading and unloading tools, the injury of radioactive sources to workers will be increased. Therefore, it is necessary to design a loading and unloading source tool for the pump-out lithology density logging tool. Contents of the invention [0003] The o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B27/14
CPCB25B27/14
Inventor 马朝选林坤王洁冰亢楠楠杨庆平范广军李丹丹
Owner 718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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