Method for manufacturing seismic slice with overthrust fault

A technology for overthrowing faults and faults, which is applied in the field of seismic slice production, and can solve problems such as the loss of fault footwall information and the inability to complete seismic slice calculations at one time

Active Publication Date: 2012-02-15
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0003] In order to solve the problem that the seismic slices of the upper and lower walls of overthrust faults cannot be calculated at one time, and the information of the footwall of the fault is lost, the reservoir prediction work of making seismic slices and slice analysis for geological structures with overthrust faults is carried out. The present invention provides a A method for making seismic slices wi

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  • Method for manufacturing seismic slice with overthrust fault
  • Method for manufacturing seismic slice with overthrust fault
  • Method for manufacturing seismic slice with overthrust fault

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[0019] The present invention will be described below with reference to the accompanying drawings.

[0020] In order to describe the technical solution of the present invention more clearly, it is shown in the accompanying drawings that by using the software " Seismic Interpretation Engineer" to clearly describe the exemplary embodiments of the present invention.

[0021] In the accompanying drawings of the present invention, the DKH work area is the name of the seismic work area adopted in the figure, and the 452 survey line is a survey line numbering in the work area, and CDP is a kind of numbering of the seismic data, and the CDP in the text represents 452 survey lines The numbers of the data points on .

[0022] The invention provides a method for making seismic slices containing overthrust faults. The method may include the steps of: interpreting the geological horizons and faults containing overthrust faults; connecting the geological horizons and faults of the interpr...

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Abstract

The invention provides a method for manufacturing a seismic slice with an overthrust fault, which comprises the following steps of: carrying out explanation on a geologic horizon (with an overthrust fault) and a fault; connecting the geologic horizon with the fault so as to form a new horizon according to the explanation results of the geologic horizon and the fault; carrying out up-and-down horizon connection on the obtained new horizon at the position of the fault so as to form a closed fault block; and according to the formed fault block and the connected horizon, executing an operation ofslicing.

Description

technical field [0001] The invention belongs to the field of oil and gas exploration and development, and more specifically relates to a method for making seismic slices containing overthrust faults. Background technique [0002] Seismic slice analysis technology is an important analysis technology in 3D seismic exploration, which plays a very important role in identifying the spatial distribution area of ​​reservoirs. Seismic slicing is to recombine the original seismic data or the seismic data after some special processing in the horizontal direction to form a new data, and the new data can better express the change law of the data in the horizontal direction. Generally, seismic slices are divided into three categories. The first is isochronous slices, that is, seismic data are extracted along the same seismic reflection time to form new data; the second is slices along layers, including slices along a certain The geological horizon of seismic interpretation extracts seis...

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Application Information

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IPC IPC(8): G01V1/30
Inventor 洪余刚何光明陶正喜邹文巫盛洪陈小二吴秋波
Owner BC P INC CHINA NAT PETROLEUM CORP
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