On-line gas survey system for drilling mud

A drilling mud and mud technology, applied in the field of drilling mud online gas measurement system, can solve the problems of time lag, low minimum detection value, single content, etc.
CN1415966AInactive Publication Date: 2003-05-07GEOLOGIC LOGGING SHENGLI GASOLINEEUM ADMINISTRATION
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GEOLOGIC LOGGING SHENGLI GASOLINEEUM ADMINISTRATION
Publication Date
2003-05-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention relates to well drilling mud on-line gas test system composed of mud drainage device, mud on-line sampler, mud no-line degasser, sample gas process unit, gas chromatograph and gas abnormal sampler, connecting with each other orderly. It's automatic control part is made up of a data server, controller interface, chromatogram working station, well recording station and HUB, in which, the data server sends a control signal to the mud on-line degasser and liquid, gas samplers by the controller interface to realize automatic operation, automatic sampling and starting / stopping degasser, which can on-line detect hydrocarbon gas or detect many different un-hydrocarbon gas on-line.
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Description

(1) Technical field

[0001] The invention relates to the field of gas logging technology in the drilling process of petroleum geological exploration, in particular to an on-line gas logging system for drilling mud. (2) Background technology

[0002] Petroleum geological exploration gas logging technology is to detect and analyze the gas components in the mud during the drilling process, so as to find the oil and gas show in the formation of the exploration well, and determine the depth and thickness of the oil and gas layer, so as to obtain the data of each exploration well. The true and accurate geological data. At present, the gas detection device used in the drilling site is mainly for online detection of hydrocarbon gas. For the detection of non-hydrocarbon gases, the content is single and the minimum detection value is too low, so it cannot accurately reflect the gas composition in the mud. To accurately detect non-hydrocarbon gases, it is necessary to use manual sampli...

Claims

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