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High-speed conglomerate-based tectonic high point offset correction method and device

A correction method and a correction device technology, applied in the field of petroleum geophysical exploration and petroleum exploration, can solve the problems of different degrees of influence of underlying structural traps, ignoring effective connection, etc., to improve implementation accuracy, huge economic benefits, and promote re-understanding Effect

Pending Publication Date: 2021-11-16
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

However, some of these technical methods ignore the effective connection between the distribution prediction of high-speed conglomerates and the construction of velocity fields, because high-speed conglomerates with different distribution characteristics have different influences on the underlying structural traps

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  • High-speed conglomerate-based tectonic high point offset correction method and device

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Embodiment Construction

[0070] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0071] Embodiments of the present invention provide a specific implementation method for correcting structural high point offset based on high-speed conglomerate, see figure 1 , the method specifically includes the following content:

[0072] Step 100: According to the pre-identified geological structure underlying the high-speed conglomerate, es...

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Abstract

The invention provides a high-speed conglomerate-based tectonic high point offset correction method and device, and the method comprises the steps: building a geologic model which comprises a high-speed conglomerate and a geologic structure according to the pre-recognized underlying geologic structure of the high-speed conglomerate; according to the geometrical relationship of the geologic model, judging whether the high point of the geologic structure deviates or not to generate a judgment result; and generating a velocity field of the geological structure according to the judgment result so as to correct the high point of the structure. According to the high-speed conglomerate-based tectonic high-point offset correction method and device provided by the invention, the implementation precision of the underlying tectonic trap of the high-speed conglomerate is greatly improved.

Description

technical field [0001] The invention relates to the field of petroleum exploration, in particular to the technical field of petroleum geophysical exploration, in particular to a method and device for correcting structural high point offset based on high-speed conglomerate. Background technique [0002] Shallow alluvial fans and underlying structural traps are a common type of sedimentary-structural combination in the marginal zone of petroleum-bearing basins. Since the underlying structural trap is often a very important oil and gas storage structure, it is the main goal of oil and gas exploration to accurately describe the shape of the structural trap and accurately determine the high point position of the structural trap. Using comprehensive processing and interpretation of seismic data to confirm underlying structural traps is one of the most effective methods at present. However, due to the existence of high-velocity conglomerate in shallow alluvial fans, the distortion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/36
CPCG01V1/36G01V1/282G01V2210/51G01V2210/6222
Inventor 刘永涛吴德明周义军毕明波王秀珍宋旭阳
Owner BC P INC CHINA NAT PETROLEUM CORP
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