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Extrusion structure deformation measurement method based on residual stratum deposition analysis

A measurement method and deformation technology, applied in geophysical surveying, special data processing applications, instruments, etc., can solve problems such as differences in ideas and methods of structural deformation, differences in understanding, etc., and achieve the effect of accurately restoring the deformation of extrusion structures

Active Publication Date: 2021-01-26
CHINA UNIV OF PETROLEUM (EAST CHINA) +1
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Problems solved by technology

[0003] Due to the complexity of the geological structure, different scholars will have different understandings in the process of studying the structure of the same area, which leads to multiple understandings of complex structures. In addition, even if researchers have a basically unified understanding of the structure of the same structure However, there are differences in ideas and methods in the "section balance" when compiling the structural evolution map, that is, how to accurately calculate the structural deformation, which leads to differences in the understanding of the original deformation boundary and evolution process of the structure

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  • Extrusion structure deformation measurement method based on residual stratum deposition analysis
  • Extrusion structure deformation measurement method based on residual stratum deposition analysis
  • Extrusion structure deformation measurement method based on residual stratum deposition analysis

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[0050] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0051]The calculation of extrusion deformation can be divided into two parts, one part is the calculation of extrusion deformation of strata with continuous residual distribution, which can be calculated by using 2D-move software; the other part is the calculation of extrusion deformation of no residual strata, usually It is an estimate, which is also the most controversial point among scholars. The structural deformation of the pi...

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Abstract

The invention discloses an extrusion structure deformation measurement method based on residual stratum deposition analysis, which solves the problem of accurate calculation of extrusion deformation of a complex structure area, and can accurately calculate the deformation of a complex extrusion structure, wherein the deformation of the extrusion structure is divided into two parts, one part is thecalculation of the extrusion deformation of the stratum with continuous residual distribution; the other part is the calculation of the extrusion deformation of the stratum with no residue. For the calculation of the extrusion deformation of the residue-free stratum distribution area, the distance between the gravel and the current deposition boundary is subtracted from the gravel carrying distance in the residual stratum close to the stratum-residue-free area to obtain the structural deformation of the stratum-residue-free area; and the extrusion deformation of the continuous distribution area of the residual stratum and the structural deformation of the approximately stratum-residue-free area to obtain the total deformation amount of the extrusion structure. According to the method, theextrusion deformation of the stratum-residue-free area is quantitatively calculated from unrecoverable; and the method is of great significance to ascertaining the structural deformation process andrecovering the residual stratum prototype basin.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration structure modeling, in particular to a method for measuring deformation of extrusion structures based on residual stratum deposition analysis. Background technique [0002] In the process of studying the tectonic evolution of oil and gas basins, compiling the "tectonic evolution section" based on the principles of stratigraphic backstripping and section balance is an important means to show the evolution history of the basin and restore lithofacies and paleogeography in a certain geological historical period. The prototype basin in the critical period of the basin is of great significance. At the same time, it further restricts the understanding of the source, reservoir and reservoir configuration of the basin, and is of great significance for clarifying the potential of oil and gas resources in the basin and the practice of exploration and development. [0003] Due to the complexi...

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Application Information

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IPC IPC(8): G01V11/00G06F30/20
CPCG01V11/00G06F30/20
Inventor 周健林承焰李迪薛雁韩长城
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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