A modular wellhead foam content detection device

A detection device and modular technology, which is applied to measurement devices, instruments, scientific instruments, etc., can solve the problems that detection accuracy is easily disturbed by human factors, cannot detect the real-time foam content of pipes, wastes human and material resources, etc. The effect of replacement, installation is simple, and operation is convenient and fast

Active Publication Date: 2022-03-08
SOUTHWEST PETROLEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has serious hysteresis, and the real-time foam content in the pipeline cannot be detected. The detection accuracy is easily disturbed by human factors, and there are many factors that affect the error. It is easy to cause incomplete defoaming and waste manpower and material resources.

Method used

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  • A modular wellhead foam content detection device
  • A modular wellhead foam content detection device
  • A modular wellhead foam content detection device

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specific Embodiment

[0028] Such as figure 1 The assembled device shown is the first working condition. It is used in the existing field where pipelines have been installed. The whole device is welded to the field pipeline through the connecting pipeline 4 at both ends. During the gas production process, the pressure in the pipeline is given to When the toughened glass 6 pushes outwards, the inner variable diameter joint 2 squeezes the toughened glass 6 and the inner sealing gasket 11 and the outer sealing gasket 10 at both ends to form an end face seal; the power supply line of the laser transmitter 9 and the linear silicon photoelectric cell 12 The signal line is connected to the power module and signal processing module outside the well site, the laser transmitter 9 is turned on to emit laser light, and the first through hole 15, the second through hole 18 and the third through hole 19 are in a line, so that the laser light passes through , the linear silicon photocell 12 receives the laser to ...

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Abstract

The invention provides a modular wellhead foam content detection device, which mainly includes a main body, an outer reducing joint, a first lock nut, an inner sealing gasket, tempered glass, an outer sealing gasket, an inner reducing joint, a second anti-loosening Loose nuts, laser transmitters, linear silicon photocells, fixing cylinders, explosion-proof joints and connecting pipes. The main body is used for installing large diameter reducing joints and connecting pipes; the large reducing joints are used for installing inner sealing gaskets, tempered glass, outer sealing gaskets and small reducing joints; Laser transmitter, linear silicon photocell, and explosion-proof connectors. The power supply system and signal processing system are placed outside the well site, and the foam detection device is connected to the on-site gas production pipeline to directly measure the foam content in the pipeline. The invention has a modular structure design, simple installation, quick replacement of device components, meets explosion-proof requirements, and has high foam content detection threshold and precision.

Description

technical field [0001] The invention belongs to the field of petroleum and natural gas exploitation, and in particular relates to a modularized wellhead foam content detection device. Background technique [0002] More than half of the gas fields that have been put into development in China have water gas reservoirs. After long-term development, most of the gas wells have entered the low-pressure stage of bottom production. Foam drainage, as one of the main means of drainage and gas recovery, is used in large gas fields in my country. It is very extensive and is an important measure to ensure the stable production of water-producing gas wells. The foaming agent is injected from the wellhead to the bottom of the well. Carry it to the ground so that the accumulated fluid in the wellbore can be discharged smoothly. However, if the defoaming inside the gas production pipeline is not complete, it will cause secondary foaming of the foam removal agent in the gas collection pipeline...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17G01N21/01
CPCG01N21/17G01N21/01G01N2021/0112G01N2201/06113
Inventor 郭亮梁静李敬全郭宇豪万长成
Owner SOUTHWEST PETROLEUM UNIV
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