A Seismic Fault Image Processing Method for Complex Geological Structures Based on Fault Bifurcation Structure Model

A fault image and complex geological technology, applied in the field of seismic fault image processing of complex geological structures, can solve the problems of large workload and low accuracy of fault image processing

Active Publication Date: 2021-10-26
中国石油集团工程咨询有限责任公司
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Problems solved by technology

[0021] The main purpose of the present invention is to provide a complex geological structure seismic fault image processing method based on the fault bifurcation structure model, aiming to solve the fault image processing work of the horizon interpretation method for geological structures containing reverse faults existing in the prior art Large volume, low accuracy technical iss...

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  • A Seismic Fault Image Processing Method for Complex Geological Structures Based on Fault Bifurcation Structure Model
  • A Seismic Fault Image Processing Method for Complex Geological Structures Based on Fault Bifurcation Structure Model
  • A Seismic Fault Image Processing Method for Complex Geological Structures Based on Fault Bifurcation Structure Model

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[0065] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0066] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0067] The present invention proposes an embodiment such as figure 1 As shown, the present invention proposes a method for seismic interpretation of geological structures with reverse faults based on the fault bifurcation structure to describe the intersecting relationship between horizons and faults.

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Abstract

The invention discloses a complex geological structure seismic fault image processing method based on a fault bifurcation structure model. The new structure of fault bifurcation is introduced on the basis of the two structures of horizon and fault introduced in traditional structural interpretation, which can be easily It can well complete the interpretation of complex geological structures containing reverse faults or even multiple reverse faults, and at the same time improve the accuracy of fault image processing in the interpretation of seismic structures containing reverse faults. The invention aims to solve the technical problems of heavy workload and low accuracy in fault image processing of the horizontal interpretation method for geological structures containing reverse faults existing in the prior art.

Description

technical field [0001] The invention relates to the technical field of seismic structure interpretation, in particular to a complex geological structure seismic fault image processing method based on a fault bifurcation structure model. Background technique [0002] Faults play an important role in controlling the migration and accumulation of oil and gas. Therefore, the interpretation of faults is an important content of seismic interpretation. Faults break the stratum into upper and lower plates. The fault in which the disk is relatively descending is mainly formed by horizontal extrusion. The dislocation characteristics of seismic reflection waves near faults are very complex. Therefore, fault interpretation is the key to structural interpretation. [0003] At present, most structural interpretation software based on earthquakes have solved the fault image processing and interpretation of geological structures containing non-reverse faults well, but for a long time, ther...

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Application Information

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IPC IPC(8): G01V1/28G01V1/30
CPCG01V1/282G01V1/302G01V2210/642
Inventor 何文渊孙平
Owner 中国石油集团工程咨询有限责任公司
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