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Distributed optical fiber temperature measuring device and method for oil and gas wells

A technology of distributed optical fiber and temperature measurement device, which is applied in measurement devices, thermometers, and heat measurement, etc., can solve the problems of poor resistance to extreme environments, unstable signal sources, and short service life, and achieve the ability to withstand extreme environments. Strong, long service life, easy to operate

Inactive Publication Date: 2018-04-03
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the existing distributed optical fiber temperature measurement devices for oil and gas wells have complex structures, unstable signal sources, short service life, and poor ability to withstand extreme environments. The existing temperature measurement methods have the disadvantages of cumbersome operation, poor stability, and low accuracy.

Method used

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  • Distributed optical fiber temperature measuring device and method for oil and gas wells
  • Distributed optical fiber temperature measuring device and method for oil and gas wells

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Embodiment Construction

[0025] The following describes and illustrates a distributed optical fiber temperature measurement device for oil and gas wells and its method described in the application of the present invention in conjunction with the accompanying drawings and specific examples. The purpose is for the public to better understand the technical content of the present invention, not for The limitations of the technical content, under the same or similar principles, the improvement of the process steps, including the reaction conditions, the improvement and replacement of the reagents used, to achieve the same purpose, are all in the technology claimed in the present application. within the plan.

[0026] like figure 1 , 2 As shown, a distributed optical fiber temperature measurement device for oil and gas wells includes a sensing probe 1, an optical fiber 2, a photoelectric converter 3, and a central processing unit 4. The sensing probe 1 is connected to the optical fiber 2, and the optical f...

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Abstract

The invention relates to a distributed optical fiber temperature measuring device for oil and gas wells and a method thereof, belonging to the field of oil and gas exploitation. Including sensing probe, optical fiber, photoelectric converter, central processing unit, sensing probe is connected with optical fiber, optical fiber is connected with photoelectric converter, photoelectric converter is connected with central processing unit, display screen is set on central processing unit, central processing unit passes The power supply controller is connected to the power supply, the power supply is connected to the display screen, and the power supply controller is connected to the sensing probe. The invention also provides a distributed optical fiber temperature measurement method for oil and gas wells. The distributed optical fiber temperature measurement device for oil and gas wells has a simple structure, stable signal source, long service life, and strong ability to withstand extreme environments. The distributed optical fiber temperature measurement method for oil and gas wells is easy to operate, has good stability and high precision.

Description

technical field [0001] The invention belongs to the field of oil and gas exploitation, relates to the field of dynamic monitoring in the development process of oil and gas fields, and particularly relates to a distributed optical fiber temperature measuring device and a method thereof. Background technique [0002] Distributed fiber optic temperature measurement technology is widely used in temperature measurement and monitoring in hazardous areas, temperature measurement and monitoring in important areas, pressure vessel surface temperature measurement and monitoring, temperature measurement and monitoring in large areas and large areas, and temperature measurement and monitoring in the transportation field. monitoring, etc. [0003] In the petroleum industry, distributed optical fiber temperature measurement technology can provide real-time, whole-well temperature detection data, which is suitable for determining the temperature of oil and gas layers, determining the locat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/32
Inventor 蔡珺君
Owner SOUTHWEST PETROLEUM UNIV
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