A kind of exploration method of helium gas reservoir

A technology for helium and gas reservoirs, applied in the field of exploration of helium gas reservoirs, can solve the problems of lack of systematic quantification

Active Publication Date: 2021-06-01
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the exploration of helium mainly adopts the method of qualitative exploration, lack of systematic and quantitative research, this patent will fill this gap

Method used

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  • A kind of exploration method of helium gas reservoir
  • A kind of exploration method of helium gas reservoir
  • A kind of exploration method of helium gas reservoir

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Experimental program
Comparison scheme
Effect test

Embodiment

[0038] Such as figure 1 as shown, figure 1 It is a flowchart of an exploration method for helium gas reservoirs according to the present invention.

[0039] In step 101-1, use the aeromagnetic data and gravity data to find the gradient zone of magnetic and gravity abnormal changes, and analyze it, and use methods such as geoatmospheric measurement and gamma energy spectrum measurement in potential exploration areas to find radioactive Abnormal area;

[0040] In step 101-2, according to the three-dimensional seismic data, well logging data, mud logging data and analytical test data, it is determined that there are natural gas reservoirs or groundwater resources in the area, and the process enters step 102;

[0041] In step 102, the natural gas reservoirs or groundwater resources meeting the conditions are analyzed by geochemical analysis methods, and the helium content α is determined by conventional non-hydrocarbon gas detection means, and the process enters step 103-1;

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Abstract

The invention relates to the technical field of oilfield exploration and development, in particular to an exploration method for helium gas reservoirs. The method includes: the method includes: determining whether there are radiation anomalies and natural gas reservoirs or groundwater resources in the research area at the same time; analyzing the helium content in the natural gas reservoirs or groundwater resources, and judging whether the helium resources in the research area are exploited by national industries Standards, if met, go to the next step; analyze natural gas reservoirs or groundwater resources 3 He and 4 He content to determine the source of helium; if the helium is mainly from the mantle, then search for effective traps near deep faults; if the helium is mainly from the crust, then find effective traps near igneous rock bodies; if the helium is mainly from the crust For the mixed source of crust and mantle, the first two types are combined to determine the search range for comprehensive search. The invention conducts quantitative exploration according to different conditions of helium, and the method is helpful for efficient exploration of helium gas reservoirs.

Description

technical field [0001] The invention relates to the technical field of oilfield exploration and development, in particular to an exploration method for helium gas reservoirs. Background technique [0002] Helium is an inert gas, which is rarely combined with other chemical elements. Due to its special physical and chemical properties, especially its characteristics of becoming a liquid at low temperature and its chemical inertness, helium is widely used in the defense industry, aerospace industry, and nuclear industry. It is widely used in high-tech fields such as industry, clinical medicine, and chemical industry. It is a basic material for national security and the development of high-tech industries, and is a strategic resource. Due to the wide use of helium, the demand for helium in all countries in the world is very large, especially the Asian region led by China, which is the fastest growing region for helium demand. From 2005 to 2010, the total sales volume of helium ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 王东晔张秋实李趁义李孝军王宝言隋青林曹爱锋孙远峰陈丽李莉马骥
Owner CHINA PETROLEUM & CHEM CORP
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