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Method and device for dividing natural gas source by sulfur isotope, medium and electronic equipment

A sulfur isotope and natural gas technology, applied in the field of oil and gas source rock research, can solve the problems of source rock source difficulties, lack of geochemical data and information, etc.

Pending Publication Date: 2022-03-15
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, due to the lack of geochemical data and information available for natural gas, the source rock source has always been a difficult research point.

Method used

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  • Method and device for dividing natural gas source by sulfur isotope, medium and electronic equipment
  • Method and device for dividing natural gas source by sulfur isotope, medium and electronic equipment
  • Method and device for dividing natural gas source by sulfur isotope, medium and electronic equipment

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Experimental program
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Embodiment 1

[0051] figure 2 A flow chart of a method for sulfur isotope classification of natural gas sources according to an embodiment of the present invention is shown.

[0052] Such as figure 2 As shown, the method of sulfur isotope classification of natural gas sources includes:

[0053] Step 1: Obtain the sulfur isotope of the rock sample containing the evaporite formation and the carbon isotope and oxygen isotope of the carbonate rock sample adjacent to the rock sample containing the evaporite formation;

[0054]Step 2: Based on carbon isotopes, oxygen isotopes, international geological carbon isotope curves and international geological oxygen isotope curves, determine the geological era to which the evaporite-bearing strata belong;

[0055] Among them, based on carbon isotope, oxygen isotope, international geological carbon isotope curve and international geological oxygen isotope curve, determining the geological age of evaporite-bearing strata includes: comparing carbon isot...

Embodiment 2

[0072] image 3 A block diagram of an apparatus for sulfur isotope division of natural gas sources according to an embodiment of the present invention is shown.

[0073] Such as image 3 As shown, the device for sulfur isotope division of natural gas sources includes:

[0074] The isotope acquisition module 102, acquires the sulfur isotope of the rock sample of the evaporite-containing formation and the carbon isotope and oxygen isotope of the carbonate rock sample adjacent to the rock sample of the evaporite-containing formation;

[0075] The geological age determination module 104 to which the evaporite-containing formation belongs is to determine the geological age to which the evaporite-containing formation belongs based on the carbon isotope, oxygen isotope, international geological carbon isotope curve and international geological oxygen isotope curve;

[0076] The sulfur isotope acquisition module 106 of natural gas is used to acquire the sulfur isotope of natural gas...

Embodiment 3

[0080] The present disclosure provides an electronic device comprising: a memory storing executable instructions; a processor running the executable instructions in the memory to implement the above method for dividing natural gas sources by sulfur isotopes.

[0081] An electronic device according to an embodiment of the present disclosure includes a memory and a processor.

[0082] The memory is used to store non-transitory computer readable instructions. Specifically, the memory may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and / or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and / or cache memory (cache). The non-volatile memory may include, for example, a read-only memory (ROM), a hard disk, a flash memory, and the like.

[0083] The processor may be a central processing unit (CPU) or other form of processing unit having data proc...

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Abstract

The invention discloses a method and device for dividing natural gas sources through sulfur isotopes, a medium and electronic equipment. The method comprises the steps that the sulfur isotopes of a rock sample containing an evaporation rock stratum and the carbon isotopes and the oxygen isotopes of a carbonate rock sample adjacent to the rock sample containing the evaporation rock stratum are obtained; based on the carbon isotope, the oxygen isotope, the international geological carbon isotope curve and the international geological oxygen isotope curve, determining the geological age to which the evaporation rock-containing stratum belongs; obtaining the sulfur isotope of the natural gas; and based on the sulfur isotope of the natural gas and the sulfur isotope of the rock sample of the evaporation rock-containing stratum, determining the geological age of natural gas formation. According to the method, the geological age of the evaporation rock stratum is determined through the carbon isotope and the oxygen isotope of the carbonate rock sample adjacent to the rock sample containing the evaporation rock stratum, the sulfur isotope of the natural gas is compared with the sulfur isotope of the rock sample in the evaporation rock stratum, and the geological age formed by the natural gas, namely the source of the natural gas, can be obtained.

Description

technical field [0001] The invention belongs to the field of source rock research of petroleum and natural gas, and in particular relates to a method, device, electronic equipment and medium for dividing the source of natural gas by sulfur isotope. Background technique [0002] δ of seawater throughout geological history 34 The sulfur isotopic composition of S has changed significantly, and the sulfur isotopic composition of sulfate in seawater can be faithfully recorded by sulfate deposition. Sulfur isotopic data in seawater can be directly recorded by gypsum and anhydrite without fractionation (Strauss et al. The sulfur isotopic composition of Neoproterozoic to early Cambrian seawater--evidence from the cyclic Hanseranevaporites, NW India. Chem. Geol., 2001 Years, 175:17-28). Gypsum and anhydrite can be dissolved and reprecipitated, however the data do not change significantly. [0003] The sulfur isotope of seawater reached the highest value in the entire Phanerozoic d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/11
Inventor 张智礼孟凡巍李慧莉高晓鹏姚尧胡瀚文
Owner CHINA PETROLEUM & CHEM CORP
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