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Fault-sealing ability evaluation method based on fluid inclusion planes and system thereof

A technology of fluid inclusions and evaluation methods, which is applied in the geological and mineral resources survey and exploration industry, as well as in the field of oil and natural gas research, and can solve the problems that restrict the oil and gas exploration and development of marine multi-stage superimposed basins

Inactive Publication Date: 2017-03-01
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0005] Therefore, the above evaluation method for fault sealing of clastic rock basins has limitations for fault sealing evaluation of marine multi-stage superimposed basins dominated by carbonate strata in my country, which restricts the development of marine multi-stage superimposed basins. Oil and Gas Exploration and Development

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  • Fault-sealing ability evaluation method based on fluid inclusion planes and system thereof
  • Fault-sealing ability evaluation method based on fluid inclusion planes and system thereof
  • Fault-sealing ability evaluation method based on fluid inclusion planes and system thereof

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[0044] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0045] At present, the fault sealing performance of the target layer is mainly evaluated based on the smearing effect of mudstone. However, for Sinian carbonate reservoirs, mudstone does not have the effect of smear sealing. Therefore, this method has limitations in the evaluation of fault plugging in marine multi-stage superimposed basins dominated by carbonate formations, which restricts the oil and gas ex...

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Abstract

The invention discloses a fault-sealing ability evaluation method based on fluid inclusion planes and a system thereof. The method comprises the following steps: sampling and analysis are carried out on the target strata fluid inclusion planes to judge direction of crustal stress applied on the fault planes; according to the direction of crustal stress, positive pressure of the target strata fault planes is calculated; and based on the positive pressure of the fault planes and the target strata fluid pressure, fault-sealing ability is judged. Fault-sealing ability of marine multistage superimposed basin's carbonatite can be effectively evaluated, and the insufficiency of present fault-sealing ability of marine multistage superimposed basin's carbonatite is compensated.

Description

technical field [0001] The invention relates to the field of geological and mineral general survey and exploration industry and oil and natural gas research, in particular to a fault sealing performance evaluation method and system based on fluid inclusion surface. Background technique [0002] my country's marine sedimentary basins have experienced multi-stage tectonic movements, and the geological conditions are complex, which increases the difficulty of oil and gas exploration and development. Especially the exploration and development of oil and gas in the Lower Paleozoic has always been a difficult point in oil and gas exploration and development. After years of exploration and development practice, it has been recognized that preservation conditions are the key to oil and gas exploration and development in marine multi-stage superimposed basins. Due to tectonic movement, faults are developed in marine sedimentary basins, and the evaluation of the sealing ability of fa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
Inventor 张荣强周雁张殿伟袁玉松孙冬胜陆晓燕
Owner CHINA PETROLEUM & CHEM CORP
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