Natural gas sampling device

A technology for sampling device and natural gas, applied in the direction of sampling device, etc., can solve problems such as increase of gas samples, and achieve the effects of avoiding impact, avoiding incomplete replacement and simple structure

Active Publication Date: 2017-01-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no relevant adding device to increase the gas sample
In particular, there is no device in the prior art that can perform both pressurization and decompression operations on gas samples

Method used

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Examples

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing.

[0029] figure 1 A natural gas sampling device 100 according to the invention is shown. like figure 1 As shown, the natural gas sampling device 100 includes a container 1, a piston body 2 and a lead-through 3 (which can be determined by image 3 or see in 4). Wherein, the container 1 has an inlet 4 for connecting with the gas source at the wellhead or the gas source in the gas gathering station. And the outlet 5 of the container 1 is used to connect with the sampling bottle. The piston body 2 is arranged in the container 1 and is in sealing contact with the inner wall of the container 1 , dividing the container 1 into a first space 6 and a second space 7 . Under the action of force, the piston body 2 can move longitudinally of the container 1 to change the volumes of the first space 6 and the second space 7, so as to pressurize or depressurize the natural gas therein. ...

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Abstract

The invention relates to a natural gas sampling device, comprising a container provided with an inlet and an outlet; a piston body arranged in the container and dividing the container into a first space and a second space, the piston body can move longitudinally relative to the container; The conducting member can move along the piston body under the action of gas pressure to realize the communication and blocking of the first space and the second space, and one end is connected with the piston body and the other end extends out of the container. In the process of using the natural gas sampling device, by adjusting the position of the piston body, the volumes of the first space and the second space can be adjusted, so that the gas in them can be pressurized or depressurized. Therefore, the bidirectional change of pressure can be realized through the natural gas sampling device.

Description

technical field [0001] The invention relates to a sampling device, in particular to a natural gas sampling device. Background technique [0002] As the share of natural gas in the country's energy consumption continues to increase, the demand for natural gas continues to grow, so finding more natural gas is a major problem facing explorers in the field of oil and gas industrial production. In order to solve this problem, it is necessary to study the origin and accumulation of natural gas. Therefore, it is necessary to sample natural gas to meet the needs of the research. [0003] In the prior art, the sampling of natural gas mainly uses metal or rubber tubes to connect the gas source in the wellhead or gas gathering station with the sampling bottle, and controls the gas flow sampling through the valve. Due to the different pressures at the inlet of the production well of the gas well or after the separator of the gas gathering station, there may be problems when collecting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22
Inventor 刘全有孟庆强朱东亚张殿伟金之钧孙冬胜
Owner CHINA PETROLEUM & CHEM CORP
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