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Tension-torsion fracture structure activity quantitative evaluation method and physical simulation device thereof

A technology of physical simulation and quantitative evaluation, applied in measurement devices, strength characteristics, electrical and digital data processing, etc., can solve problems in the initial stage and so on

Active Publication Date: 2021-09-14
SHENGLI COLLEGE CHINA UNIV OF PETROLEUM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The previous studies on the comprehensive identification method of torsional faults are relatively mature, but the quantitative analysis of the activity of torsional faults, their formation mechanism and their role in controlling reservoirs are still in their infancy.

Method used

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  • Tension-torsion fracture structure activity quantitative evaluation method and physical simulation device thereof
  • Tension-torsion fracture structure activity quantitative evaluation method and physical simulation device thereof
  • Tension-torsion fracture structure activity quantitative evaluation method and physical simulation device thereof

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Embodiment Construction

[0033] 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.

[0034] What needs to be explained is that, figure 2 EAA' is the extension of the seismic section recovery, Eσ is the extension of the tensile stress, EBB' is the extension of the derived fault, PDZ is the main deformation zone, and AA' is a section perpendicular to the strike of the main fault zone.

[0035] refer to Figure 1-3 , a kind of structure physical simulation experiment device, comprises power shaft, scanner 5, sand spreading device 6, camera 7, video camera 11, sand box 12, power shaft stretches in the sand box 12, scanner 5, sand spreading device 6, The cameras 7 are all located above the sand box 12 , and the camera 11 is located in front of the sand ...

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Abstract

The invention discloses a tectonic physical simulation experiment device and relates to the technical field of tectonic geology and petroleum geology. The tectonic physical simulation experiment device comprises a power shaft, a scanner, a sanding device, a camera, a video camera and a sand box, wherein the power shaft extends into the sand box, the scanner, the sanding device and the camera are all located above the sand box, and the video camera is located in front of the sand box. the invention further discloses a tension-torsion fracture structure activity quantitative evaluation method. The evaluation method comprises the following steps of research area structure activity quantitative analysis, structure stress field numerical simulation, structure physical simulation experiment and mutual verification and correction of the structure stress field numerical simulation and the structure physical simulation experiment. According to the method, methods such as field actual measurement, structural analysis, stress field numerical simulation and structural physical simulation are combined, the torsional-tensile fracture structural activity quantitative evaluation is achieved, and the method has general applicability and operability.

Description

technical field [0001] The invention relates to the technical fields of structural geology and petroleum geology, in particular to a quantitative evaluation method for structural activity of tension-torsion faults and a physical simulation device thereof. Background technique [0002] The torsional fracture is different from the general strike-slip fracture and extensional fracture, but a special fracture form formed under the condition of coupled stress field, which is dominated by stretching and supplemented by strike-slip. As oil and gas exploration in eastern my country enters a high-exploration stage, some low-sequence torsional faults play an increasingly prominent role in controlling sedimentary reservoirs, trap types, and oil and gas migration and accumulation. Previous studies on the comprehensive identification method of torsional faults are relatively mature, but the quantitative analysis of the activity of torsional faults, their formation mechanism and their rol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/22G01N3/24G06F30/23G06F111/10G06F119/14
CPCG01N3/08G01N3/22G01N3/24G06F30/23G01N2203/0003G01N2203/0017G01N2203/0021G01N2203/0025G01N2203/0026G06F2111/10G06F2119/14
Inventor 董大伟李继岩刘建杨建磊胡秋媛
Owner SHENGLI COLLEGE CHINA UNIV OF PETROLEUM
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