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Probe sleeve with shock-proof and anti-collision performance

A probe cover, anti-impact technology, applied in the field of probe cover, to achieve the effect of improving damage and improving detection efficiency

Inactive Publication Date: 2010-03-10
TIANJIN DAGANG OILFIELD SHENGDA TECH
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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 design a probe cover with anti-shock and anti-shock performance to solve the problem that the detector probe can be anti-shock and anti-shock

Method used

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  • Probe sleeve with shock-proof and anti-collision performance

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Embodiment Construction

[0010] As shown in the accompanying drawings: a probe cover with anti-vibration and anti-shock performance, mainly composed of the main body of the probe cover, characterized in that: the main body of the probe cover has two parts: the probe measurement main body cover (23) and the anti-shock and anti-shock body (24) , the probe measuring body cover (23) is provided with a scintillator chamber (4) and a photomultiplier tube chamber (8), and a glass window (6) is arranged between the scintillator chamber (4) and the photomultiplier chamber (8) , the scintillator chamber (4) is the scintillator shell (4) can be built-in scintillator (3), the photomultiplier tube sleeve (8) is the light-proof tube (8) can be built-in photomultiplier tube (7), the scintillator shell (4) The outside is provided with a buffer rubber pad (2), and the photomultiplier tube light-proof tube (8) is provided with an apron (5); its shockproof and impact-resistant body (24) is arranged at the lower end of th...

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Abstract

The invention discloses a probe sleeve with shock-proof and anti-collision performance, which mainly comprises a probe sleeve main body and is characterized in that the probe sleeve main body is provided with a probe measurement main body sleeve 23 and a shock-proof and anti-collision body, wherein a scintillator chamber 4 and a photomultiplier chamber 8 are arranged in the probe measurement mainbody sleeve 23, and a glass window 6 is arranged between the scintillator chamber 4 and the photomultiplier chamber 8; and the shock-proof and anti-collision body 24 of the probe sleeve main body is arranged at the lower end of a photomultiplier seat 21, and one to more groups of pressing rings 9, 15 and 18 and one to more groups of springs 12, 14 and 16 are arranged in the shock-proof and anti-collision body 24 to buffer shock and collision. The probe sleeve has the advantage of greatly reducing the damage rate of a scintillation gamma probe to below 10 percent from 20 percent.

Description

(1) Technical field [0001] The invention relates to an accessory of a petroleum well logging device, in particular to a probe cover with anti-shock and anti-impact performance. (2) Background technology [0002] For the detection of gamma rays, scintillation detectors have high detection efficiency and are widely used. A scintillation detector is mainly composed of a scintillator and a photomultiplier tube. The most widely used scintillators are sodium iodide and cesium iodide, both of which are glass crystals with a density greater than 4, and the photomultiplier tube uses an optical glass shell. Since these two devices are glass bodies, they are easily broken when they encounter vibration or impact. However, during the maintenance operation, transportation, and underground movement of the gamma instrument, vibration or impact is unavoidable. According to previous statistics, out of 100 gamma meters used, about 20 of them were damaged, and these damages were all caused b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B49/00E21B47/01G01V5/12
Inventor 张金鑫姜义
Owner TIANJIN DAGANG OILFIELD SHENGDA TECH
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