Analysis method of petroleum-bearing basins based on fault-uplift linkage
A basin analysis and oil and gas technology, which is applied in the field of petroleum geology in the petroleum exploration industry, can solve the problems that the accumulation law of oil and gas in the basin and the exploration potential are not objective and comprehensive, and ignore the contribution or role of the crust forming basins and mountains, so as to achieve good exploration results and high application value effect
Active Publication Date: 2018-06-19
CHINA NAT OFFSHORE OIL CORP +1
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Problems solved by technology
[0005] In order to solve the above-mentioned technical problems, the present invention provides a method for analyzing oil-gas basins based on fault-uplift linkage, which solves the problem that the structure analysis of oil-gas basins in the prior art ignores the contribution or effect of the vertical movement of the crust to the formation of basins and mountains. Basin oil and gas accumulation law and exploration potential are not objective and comprehensive
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[0031] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0032] Aiming at the defects or insufficiencies of traditional oil-gas basin analysis methods, the present invention, on the basis of affirming the role of faults controlling basins and reservoirs, emphasizes the contribution and effect of uplifting on basin formation and oil and gas accumulation, and proposes a dual fault-uplift control The concept of Yuankong basin control and storage ( figure 1 ). Further enriched and improved the thinking and methods of oil and gas basin analysis, making the understanding of basin formation mechanism and oil and gas accumulation model more comprehensive, objective and reasonable, and achieved good results in practical application.
[0033] The oil-gas-bearing basin analysis method based on the fault-uplift linkage has achieved good results in the comprehensive geological analysis and resource potential evaluation of the Miaoxi ...
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The invention discloses a petroliferous basin analysis method based on fracture-uplift linkage. The method includes the following steps that firstly, fracture-uplift binary basin control action analysis is conducted; secondly, resource potential evaluation and reservoir forming condition analysis are conducted; thirdly, reservoir forming main controlling factor analysis and favorable zone optimization are conducted. The method breaks through simplex fracture margin reservoir controlling research, is combined with the substrate activation uplift effect, fracture, uplift and pitting are brought into integrated research according to a fracture and uplift composite development region, inner cause mechanism between fracture and uplift and different time-space complex superimposition structure manifestation forms are discussed, and four fracture-uplift linkage structure cause modes are built. On the basis, a system researches structure characteristics, structure evolution, sediment migration and resource potential of Miaoxi pots under the fracture-uplift linkage mechanism, exploration potential evaluation of exploratory area edge pits of the Bohai Sea is carried out according to the positive coupling effect and system oil and gas migration and accumulation simulation in fracture and uplift linkage evolution, a beneficial exploration direction is pointed, and the exploration pace of edge cold area small pits is greatly promoted.
Description
technical field [0001] The patent of the invention belongs to the field of petroleum geology in the petroleum exploration industry, and particularly relates to a structural analysis method of oil-gas basins based on fault-uplift linkage. Background technique [0002] Structural analysis of oil and gas-bearing basins is an important content in petroleum and natural gas geological exploration, and it is an important basis and premise for evaluating the potential of oil and gas resources in exploration targets and guiding oil and gas exploration practices. [0003] The existing structural analysis of petroleum-bearing basins is usually guided by the theory of plate tectonics, emphasizing the horizontal movement of the crust, thinking that the formation of basins and uplifts is the result of plate movement and interaction, and often ignoring the impact of the vertical movement of the crust on the formation of basins and mountains. contribution or role. Correspondingly, in terms...
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IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 韦阿娟胡志伟祝春荣肖述光黄志赵志平赵弟江
Owner CHINA NAT OFFSHORE OIL CORP