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Segmented identification method and equipment for strike-slip fault

A strike-slip fault and identification method technology, applied in the field of oil and gas exploration, can solve problems such as identification difficulties

Pending Publication Date: 2022-05-10
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Strike-slip faults are dominated by horizontal displacement, and it is difficult to identify them in the basin. At present, there is no suitable method for segmental identification of horizontal displacement of strike-slip faults

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  • Segmented identification method and equipment for strike-slip fault
  • Segmented identification method and equipment for strike-slip fault
  • Segmented identification method and equipment for strike-slip fault

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Embodiment Construction

[0034] 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.

[0035] figure 1 It is a schematic diagram of the architecture of the strike-slip fault segmentation identification system provided by the embodiment of the present invention. Such as figure 1 As shown, the system provided in this embodiment includes a terminal 101 and a server 102 . The terminal 101 may be a PC, a tablet computer, or a display ...

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Abstract

The embodiment of the invention provides a strike-slip fault segmentation identification method and equipment. The method comprises the following steps: loading seismic data of a target area; performing horizon interpretation on the seismic data to obtain a seismic profile map, and determining a target horizon of a strike-slip fault in the seismic profile map; according to a preset step length, the depth of two fault discs of the strike-slip fault is measured in the fault zone trend of the target horizon; displaying a first height difference map of the two plates of the fault according to the depths of the two plates of the fault; and performing segmentation division on the strike-slip fault according to the first height difference map to obtain a first segmentation result. According to the embodiment of the invention, segmentation identification of the horizontal displacement of the strike-slip fault can be carried out.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of oil and gas exploration, and in particular to a method and equipment for identifying strike-slip fault segments. Background technique [0002] Strike-slip faults have a complex structure along strike, and there are differences in fault combination, structural style, movement direction and activity intensity, which form the segmentation of faults. The segmentation of faults causes the differences in fault structure and rock physics in fault zones, and has an important impact on the permeability of faults and hydrocarbon migration and accumulation. [0003] Strike-slip faults are dominated by horizontal displacement, which is difficult to identify within the basin. At present, there is no suitable method for segmental identification of horizontal displacement of strike-slip faults. [0004] Therefore, there is an urgent need for a method for segmentally identifying horizontal disp...

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/306G01V1/301G01V2210/642
Inventor 邓兴梁杨海军韩剑发邬光辉李世银陈利新苏洲李国会刘永福袁敬一姚超张驰熊昶罗海宁
Owner PETROCHINA CO LTD
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