Multidimensional radial pressure measuring device of underground sucker rod

A radial pressure and measuring device technology, applied in the direction of measuring devices, measuring force, instruments, etc., can solve problems such as the difficulty in determining the radial force of sucker rod eccentric wear, and achieve high-precision real-time measurement, strong environmental adaptability, volume small effect

Inactive Publication Date: 2012-11-14
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The purpose of the present invention is to provide a multi-dimensional radial pressure measurement device for downhole sucker rods, which is capable of real-time Detection device for measuring multi-dimensional radial pressure of downhole sucker rod

Method used

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  • Multidimensional radial pressure measuring device of underground sucker rod
  • Multidimensional radial pressure measuring device of underground sucker rod
  • Multidimensional radial pressure measuring device of underground sucker rod

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Embodiment Construction

[0035] see figure 1 , Figure 8 A downhole sucker rod multi-dimensional radial pressure measuring device is composed of a downhole component and an uphole attachment. The position connection relationship between them is: when the measuring device performs downhole measurement, the downhole components and the uphole accessories are separated from each other and work independently. The data sampling frequency, the uphole accessory part analyzes and processes the radial force data of the sucker rod in the previous period; when the measuring device is located on the wellbore for data analysis, the downhole component and the uphole accessory are connected through the data communication interface 605 using a serial line, from Large-capacity FLASH memory 604 transfers downhole measurement data.

[0036] The present invention will be described in further detail below. The present invention uses strain gauge sensors to build a bridge-type measurement circuit 609, which is equipped ...

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Abstract

A multidimensional radial pressure measuring device of a underground sucker rod comprises two parts: underground assemblies and ground accessories; when the measuring device is used in underground measurement, the underground assemblies and the ground accessories are separated and independently work; the underground assemblies are used for adaptively adjusting the data sampling frequency according to the change speed of radial pressure and amplitude index control, and the ground accessories are used for analyzing and processing the radial force data of the sucker rod at the previous time period; when the measuring device is arranged on the ground to perform data analysis, the underground assemblies and the ground accessories are connected through a data communication interface (605) by using a serial line; and the underground measurement data is transferred from a large-capacity flash memory (604). The multidimensional radial pressure measuring device is regular in structure, small in size and capable of measuring the multidimensional radial pressure of the underground sucker rod in real time and satisfying the measurement requirements in narrow spaces and complex working conditions.

Description

technical field [0001] The invention belongs to the technical field of metering and testing, and relates to a multi-dimensional radial pressure measuring device for downhole sucker rods. Background technique [0002] Due to the advantages of low oil production cost, convenient management and maintenance, and strong applicability, rod oil production is widely used in the oil production industry. According to statistics, it accounts for more than 90% [Ma Weiguo, Yang Xinbing, etc. Sucker rod tube partial wear A review of the causes and solutions [J]. Petroleum Field Machinery, 2009, 38 (1): 22-26]; it is also considered to be the most basic, reliable and widely used oil recovery method at the present stage. And it will still occupy a very important position for a long time to come. [0003] Due to the harsh downhole working conditions, the rod pumping equipment has a high probability of failure. According to the statistics of the petroleum department, at the current stage in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/22
Inventor 王中宇李强燕虎王倩
Owner BEIHANG UNIV
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