Shale gas content measurement device and method

A technology of shale gas content and testing equipment, which is applied in the field of oil and gas exploration and development, can solve the problems of gas escape, long desorption period, and cannot meet the requirements of fast acquisition of shale gas content, and achieve accurate test results, improve accuracy, Effect of reducing gas loss

Active Publication Date: 2015-06-03
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0007] The disadvantage of the existing technology is that none of the existing equipment can meet the needs of quickly obtaining shale gas content
Although the device for on-site desorption testing of shale gas uses the entire core sample, since the core is not damaged during the desorption process, the desorption cycle is long and cannot meet the needs of rapid on-site testing
Howeve

Method used

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  • Shale gas content measurement device and method
  • Shale gas content measurement device and method

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Example Embodiment

[0036] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0037] Such as figure 1 Shown is a specific embodiment of the shale gas content test device of the present invention. In this embodiment, the test device includes a fixing base 218, a motor 102, a coupling 219, an intermediate sleeve 105, and a sealed sample cylinder 110. The fixing base 218 is fixed on the instrument support 101 for fixing the motor 102 and For the sample tube support 104, the output bearing of the motor 102 is connected to the stirring shaft 225 in the sealed sample tube 110 through a coupling 219, and the stirring shaft 225 rotates under the drive of the motor 102; the sealed sample tube 110 has its cylinder body It is connected with the sample tube support 104 in the fixed base. One end of the middle sleeve 105 is used to fix the sample-crushing cylinder support seat 104, and the other end of the middle sleeve 105 is matched with the fixi...

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Abstract

The invention discloses a shale gas content measurement device and a shale gas content measurement method. The measurement device comprises a fixed base, a driving mechanism, a sealed sample crushing cylinder, a crushing combined tool and a seal cover, wherein the driving mechanism is connected to the fixed base; a cylinder body of the seal sample crushing cylinder is connected with the fixed base and is internally provided with a stirring shaft connected with the driving mechanism; the stirring shaft rotates under the driving of the driving mechanism; the crushing combined tool is connected to the stirring shaft of the sealed sample crushing cylinder and is matched for sample rough crushing and fine crushing; the seal cover is arranged at the opening of the seal sample crushing cylinder above the crushing combined tool and is connected with the sealed sample crushing cylinder in a sealed mode. The testing device cam seal, crush and degas the whole rock core or rock sample in an exploration field or a laboratory, so that the sample gas content can be obtained rapidly and accurately.

Description

technical field [0001] The invention belongs to the technical field of oil and gas exploration and development, and in particular relates to a shale gas content testing device. Background technique [0002] The experimental techniques for shale gas content analysis mainly include direct test method, desorption test method, and isothermal adsorption simulation method. Among them, the desorption test method is the most commonly used experimental method for shale gas content measurement. However, at present, there is no specific method and technology industry standard at home and abroad. It mainly refers to the measurement method proposed in the coalbed methane industry, and then applies the test method and parameters to the shale gas content test after modifying the experimental method and parameters in combination with the characteristics of shale. At the same time, the corresponding test instruments are also developed by various research units according to the needs, and th...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 蒋启贵范明王强宋晓莹刘伟新俞凌杰
Owner CHINA PETROLEUM & CHEM CORP
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