Device and method for logging by using rock debris oil-gas inclusion
A technology of inclusions and cuttings, applied in the field of oil and gas drilling and logging, can solve problems such as misjudgment and distortion of oil and gas information, and achieve the effects of increasing knowledge, reliable data, and high degree of automation
Pending Publication Date: 2020-09-04
CHANGAN UNIV
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Problems solved by technology
[0007] The purpose of the present invention is to provide a device for mud logging using cuttings oil and gas inclusions, which solves the problem of misjudgment due to the observation ability of geological personnel or the distortion of oil and gas information in the prior art cuttings mud logging
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[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection solutions of the present invention.
[0034] A device for mud logging using cuttings oil and gas inclusions, such as figure 1 As shown, it includes a ball mill 8, the tank body of the ball mill 8 is connected with the vacuum pump 1 through the first valve 2, the tank body of the ball mill 8 is connected with the gas collection device 7 through the second valve 3, and the gas outlet of the gas collection device 7 is connected through the third valve 4 There is a gas chromatograph 5, and the gas chromatograph 5 is also connected to a data processing terminal 6; the gas collection device is a quartz glass tube.
[0035] The ball mill 8 is a planetary ball mill, and the stainless steel balls inside the b...
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Abstract
The invention discloses a device for logging by using a rock debris oil-gas inclusion. The device comprises a ball mill, wherein a ball mill tank body is connected with a vacuum pump through a first valve, the ball mill tank body is connected with a gas collecting device through a second valve, a gas outlet of the gas collecting device is connected with a gas chromatograph through a third valve, and the gas chromatograph is further connected with a data processing terminal; the invention further discloses a method for logging by using the rock debris oil-gas inclusion. By means of the well logging method, understanding of oil and gas display can be increased, a hydrocarbon reservoir is prevented from being missed, and therefore the position of the hydrocarbon-bearing layer is accurately found; therefore, the device and method can provide quantitative analysis results, so that the data are reliable, the automation degree is high, a formed well logging profile map is visual and clear, and obvious economic benefits and social benefits are achieved.
Description
technical field [0001] The invention belongs to the technical field of mud logging for oil and gas drilling, and in particular relates to a mud logging device and mud logging method using cuttings oil and gas inclusions. Background technique [0002] The ultimate goal of oil and gas drilling is to discover oil and gas reservoirs, and the main task of oil and gas drilling and logging is to discover oil and gas shows during drilling. During the drilling process, the underground rock is broken by the drill bit to form rock fragments with a diameter of about 1 cm, and continuously reach the ground with the circulation of the drilling fluid. These rock fragments are called cuttings, also often called "sands". cuttings are the most intuitive material for timely understanding of formation lithology and oil and gas layers. [0003] During the drilling process, geological personnel take samples at certain depth intervals, and make depth corrections based on the late arrival time of ...
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Login to View More IPC IPC(8): G01N30/06
CPCG01N30/06
Inventor 李荣西
Owner CHANGAN UNIV