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Oil well measurement tool

A measurement tool and oil well technology, applied in the direction of measurement, wellbore/well components, earthwork drilling and production, etc.

Active Publication Date: 2014-09-10
大庆益德凯顿机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]The present invention overcomes the deficiencies of the prior art and provides an oil well measurement tool, which solves the problems of complex structure and inconvenient use of the previous measurement tools

Method used

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  • Oil well measurement tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 The shown oil well measurement tool includes horizontal hollow tubes 4 and vertical hollow tubes 8 that are vertically connected to each other. The internal cavities of the horizontal hollow tubes 4 and the vertical hollow tubes 8 communicate with each other, and the ends of the horizontal hollow tubes 4 are sealed , the two ends of the inner cavity of the horizontal hollow tube 4 are provided with a displacement sensor 5, one end of the displacement sensor 5 is a displacement measuring end, the displacement measuring end is connected to the horizontal measuring rod 2, and one end of the horizontal measuring rod 2 extends out of the horizontal hollow tube 4 , and the horizontal measuring rod 2 can move axially in the horizontal hollow tube 4, the horizontal measuring rod 2 is also connected to the fixed spring 3 fixedly connected with the horizontal hollow tube 4 in the axial direction, and the lower end of the vertical hollow tube 8 is set There is a ...

Embodiment 2

[0020] This embodiment adds the following structure on the basis of Embodiment 1: the lower end of the vertical hollow tube 8 is also provided with a weighted plate 6, the number of the weighted plate 6 is an even number greater than or equal to 2, and the weighted plate 6 is arranged along the vertical 8 circumferences of straight hollow pipes are evenly distributed.

[0021] In this embodiment, in order to ensure accurate measurement and prevent tool shaking from affecting the measurement, therefore, in order to reduce the shaking of the tool during lowering, a weighted plate 6 is specially provided at the lower end of the vertical hollow tube 8, through which the weighted plate 6 increases the size of the tool. The weight in the middle enables the tool to better maintain inertia, maintain a vertical and steady decline, and improve measurement accuracy. In order to maintain balance, the number of weight plates 6 should be an even number greater than or equal to 2, and the wei...

Embodiment 3

[0023] The present embodiment adds a balance bar on the basis of embodiment 1 or embodiment 2, specifically: it also includes a balance bar 1 arranged at both ends of the horizontal hollow tube 4, the balance bar 1 is inclined, and the upper end of the balance bar 1 is connected to the Vertical hollow pipe 8 is connected.

[0024] In this embodiment, the balance bar 1 and the two ends of the horizontal hollow tube 4 respectively form a triangular structure, which can not only increase the strength of the horizontal hollow tube 4, so that it can be used for a long time without deformation, but also the balance bar 1 can maintain the horizontal hollow tube. The two ends of 4 are balanced so that no upward and downward inclinations can occur, and the level of the horizontal hollow tube 4 is excellently guaranteed, and the practicability is greatly improved.

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Abstract

The invention discloses an oil well measurement tool. The oil well measurement tool comprises ahorizontal hollow tube and a vertical hollow tube which are connected perpendicularly, wherein inner cavities of the horizontal hollow tube and the vertical hollow tube are communicated with each other; two ends of the horizontal hollow tube are sealed; displacement sensors are arranged at two ends of the inner cavity of the horizontal hollow tube, one end of each displacement sensor is a displacement measurement end, each displacement measurement end is connected with a horizontal measurement rod, one end of each horizontal measurement rod extends out of the horizontal hollow tube, the horizontal measurement rods can axially move in the horizontal hollow tube, and fixed springs fixedly connected with the horizontal hollow tube are also connected onto the horizontal measurement rods axially; a pressure sensor is arranged at the lower end of the vertical hollow tube. The oil well measurement tool is simple in structure, convenient to use, accurate in measurement, high in practicability and capable of accurately measuring whether an oil well is inclined or not and measuring the pressure of a correspondingwell section.

Description

technical field [0001] The invention relates to an oil well measuring tool, which belongs to the petroleum field, and more specifically relates to an oil well measuring tool. Background technique [0002] Petroleum oil wells have relatively strict verticality requirements. Generally, the verticality of oil wells needs to be kept within a certain angle range to meet subsequent operations. When digging oil wells, it is necessary to reasonably detect the verticality of oil wells to prevent well deviation from affecting oil production. Therefore , tools are needed to measure at any time. The previous measuring tools are not only complex in structure, but also extremely cumbersome to use. Each measurement takes a long time, which greatly slows down the progress of well digging. At the same time, because the oil well is deep, when excavating tools are excavating, some tools will be affected by the bottom hole pressure and some failures will occur. Therefore, it is necessary to ens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/022E21B47/06
Inventor 谭正怀
Owner 大庆益德凯顿机械设备有限公司
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