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Storage type downhole pressure and temperature continuous-measuring apparatus

A downhole pressure and storage technology, applied in the field of measuring instruments, can solve the problems of low work efficiency, error-prone, cumbersome work, etc., and achieve the effects of high work efficiency, fast response and convenient use

Inactive Publication Date: 2006-09-27
北京华油先锋石油装备技术有限公司
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Problems solved by technology

After reading the data of the pressure thermometer, manually correspond to the depth, pressure, and temperature of each point to be measured, and then perform gradient calculations. Not only is the work cumbersome, errors are prone to occur, but also the work efficiency is low.

Method used

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  • Storage type downhole pressure and temperature continuous-measuring apparatus
  • Storage type downhole pressure and temperature continuous-measuring apparatus
  • Storage type downhole pressure and temperature continuous-measuring apparatus

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but it is not intended to limit the present invention.

[0014] The storage type continuous measurement downhole pressure and temperature instrument consists of two parts, one part is the storage type downhole pressure thermometer, and the other part is the surface electronic depth recorder. The storage downhole pressure thermometer measures and records downhole pressure and temperature data, and the surface electronic depth recorder records the measurement point position of the storage type downhole pressure thermometer, that is, the depth of the downhole. The two sets of data take the time parameter as a reference and are merged synchronously by software After that, the continuous downhole pressure and temperature curve with depth as the abscissa is obtained, and the downhole production situation is analyzed through this curve. Among them, the ...

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Abstract

The invention relates to a storage continuous measuring under-well pressure temperature device, which comprises a storage under-well pressure temperature gaga and a ground electric depth recorder. Wherein, the storage under-well pressure temperature gags is used to store the pressure and temperature of collected measuring point; and the ground electric depth recorder is used to automatically recorder the well depth of measuring point. The invention has quick response, which can attain accurate data in 5 seconds, and automatically store the temperature and pressure data and the well depth at the measuring point, with high efficiency.

Description

technical field [0001] The invention relates to a measuring instrument used for monitoring the downhole state of oil and gas wells in the process of oil exploitation. The measuring instrument can continuously measure the pressure, temperature and pressure distribution inside the wellbore. Background technique [0002] At present, the measuring instruments used to monitor the downhole state of oil and gas wells, at home and abroad, usually use downhole electronic pressure thermometers to measure downhole pressure and temperature. The downhole electronic pressure thermometer measures the temperature and pressure through the pressure sensor. Since the pressure sensor needs to wait for a period of time to reach the balance with the external environment temperature, it must stay at the position to be measured for more than 5 minutes when measuring the downhole pressure and temperature. The time to get the accurate temperature value of the point to be measured. In addition, the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/06E21B47/04E21B47/07E21B47/26
Inventor 胡速
Owner 北京华油先锋石油装备技术有限公司
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