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Submarine geologic body carbon dioxide sequestration potential assessment method

A carbon dioxide and geological body technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as implementation methods, simulation techniques, and complex risk assessments

Inactive Publication Date: 2012-01-11
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

[0003] Carbon dioxide storage in seabed geological bodies is an ideal way to achieve large-scale long-term carbon dioxide, but there are a series of complex problems to be solved in terms of realization methods, simulation techniques and risk assessment, so it is currently in the exploratory stage

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  • Submarine geologic body carbon dioxide sequestration potential assessment method
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  • Submarine geologic body carbon dioxide sequestration potential assessment method

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Embodiment Construction

[0028] This embodiment is applicable to the assessment of the geological storage potential of carbon dioxide in condensate gas reservoirs that are on the verge of depletion in sea areas.

[0029] In this embodiment, the Bannan Gas Reservoir is selected as the carbon dioxide geological storage site. The Bannan Gas Reservoir is located about 2km east of Qianmiqiao in Dagang District, Tianjin (water depth range 0-3m). The structural location is located in the southern area of ​​Banqiao Oilfield, which is composed of many small fault blocks. The well area where the reservoir is built in Bannan has 6 natural fault blocks: Ban G1, Ban 17, Ban 885, Ban 885 North, Ban Shen 76 and Ban G5 fault blocks , the gas-bearing layer is BinⅢBinⅣ Oil Formation in the second member of the Shahejie Formation, the buried depth of the oil and gas reservoir is 2620-3070 meters, and the gas-bearing area reported by 5 fault blocks is 8.0km 2 , natural gas geological reserves 18.83×108m 3 . At present...

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Abstract

The purpose of the invention is to provide a quantitative calculation method of carbon dioxide submarine geologic body sequestration potential. The invention adopts an exhausted oil-gas reservoir with a good gas dome in a submarine geologic body as a sequestration place, and selects a submarine geologic body as a carbon dioxide sequestration place, which can reduce the harm to land drinking water due to carbon dioxide leakage; submarine thin mub is used as an effective dome layer, which can prevent carbon dioxide leakage. The invention analyzes the concentration change conditions after submarine geologic body carbon dioxide sequestration within a period of 100 years or more, and assesses the submarine geologic body carbon dioxide burying risk. The method established by the invention lays the foundation for the development of future practical work of submarine geologic body carbon dioxide sequestration, and can help related portions for the decision analysis of carbon dioxide sequestration.

Description

Technical field: [0001] The invention relates to carbon dioxide emission reduction technology. Background technique: [0002] With the process of industrialization and the development of economy and society, the air pollution and greenhouse effect caused by burning fossil fuels have seriously threatened the earth environment on which human beings depend for survival. The earth's climate is undergoing a significant change mainly characterized by global warming, and the occurrence of this climate change is closely related to the increase of carbon dioxide greenhouse gas in the atmosphere. In order to reduce greenhouse gas emissions, mainly carbon dioxide, and slow down the trend of global climate change, human beings are exploring long-term and effective solutions from the technical, economic, policy, and legal levels through continuous research and inter-country cooperation. There are two types: one is to seek low-cost and effective solutions to reduce carbon dioxide emissio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
Inventor 张金亮唐明明任伟伟
Owner BEIJING NORMAL UNIVERSITY
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