Borehole detection device

A detection device and wellbore technology, which is applied to wellbore/well components, measurement, earth-moving drilling, etc., can solve the problems of reduced life, the detector does not have a storage function, damage, etc., and achieves the effect of avoiding direct collision

Active Publication Date: 2021-01-05
德州隆科石油装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In oil and gas development, it is necessary to detect the wellbore. The detectors in the existing detection devices do not have a storage function, and they are easy to collide and cause damage when carried, which reduces their life.

Method used

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] see Figure 1-6 , in an embodiment of the present invention, a wellbore detection device includes a detection box body 1, and a fixing column 2 is disassembled and installed on the top of the detection box body 1, and the fixing column 2 is connected to the detection handrail 3; the top of the detection box body 1 There is an installation port 17;

[0031] The installation port 17 is detachably provided with a fixed column 2, and one side of the fixed ...

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Abstract

The invention discloses a borehole detection device. The borehole detection device comprises a detection box body, wherein a fixing column is detachably mounted at the top of the detection box body, and the fixing column is connected with a detection handrail; a mounting opening is formed in the top of the detection box body; and the fixing column is detachably arranged in the mounting opening, and a dismounting groove is formed in one side of the fixing column. When a detection head moves downwards, a supporting device moves downwards firstly, then a positioning block is supported to be in contact with the ground firstly, the positioning block is supported to drive a supporting column to move upwards, then a first supporting plate moves upwards, a first pair of columns moves upwards to drive a first pair of blocks to move upwards, the first pair of blocks and a second pair of blocks are arranged in a sealed piston cylinder, the second pair of blocks is pushed to move through the firstpair of blocks, the second pair of columns moves upwards, and a second supporting plate moves upwards, so that compression and stretching of a back spring are realized, and then the effect of bufferprotection is achieved.

Description

technical field [0001] The invention relates to the technical field of borehole detection, in particular to a borehole detection device. Background technique [0002] With the deepening of oil and gas development, the vertical depth of drilling has approached 10,000 meters, the length of open-hole sections of different well types has been increasing, and the drilling safety window has become narrower and narrower. At the same time, the temperature environment of deep rocks has increased significantly. The temperature of the rock in the deep well wall can even reach above 350°C. The change of the rock temperature will lead to the change of the structure and mechanical properties of the rock. Therefore, it is necessary to accurately understand the influence of temperature changes on the mechanical properties of the rock and the mechanism of damage and destruction, and to distinguish and predict the well wall. The strength, especially the stability of the borehole wall at high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/00E21B47/017
CPCE21B47/00
Inventor 高俊亭李琳
Owner 德州隆科石油装备有限公司
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