Method and device for calculating denudation rate of source region of sedimentary basin

A technology of provenance and rate, applied in the field of geological research, can solve the problems that the denudation rate of the sediment source area cannot be quantitatively characterized, cannot be reproduced, and affects the accuracy of the restoration of paleoclimate conditions

Active Publication Date: 2020-08-28
PETROCHINA CO LTD
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Problems solved by technology

[0002] For a long time, scholars at home and abroad have focused on qualitative analysis on the erosion rate of provenance areas in sedimentary basins. Problems such as restoration and irreproducibility have been limited to qualitative descriptions, and have not been able to achieve quantitative characteriz

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  • Method and device for calculating denudation rate of source region of sedimentary basin
  • Method and device for calculating denudation rate of source region of sedimentary basin
  • Method and device for calculating denudation rate of source region of sedimentary basin

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Embodiment Construction

[0029] 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 of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The embodiment of the present invention provides a method for calculating the denudation rate of the provenance area of ​​the sedimentary basin, which is used to quantitatively characterize the denudation rate of the provenance area of ​​the sedimentary basin, such as figure 1 As shown, the method includes:

[0031] Step 101: According to the seismic data of the target layer, analyze the macroscopic sedimentary background of the target lay...

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Abstract

The invention provides a method and device for calculating the denudation rate of a source region of a sedimentary basin. The method comprises the steps: carrying out macroscopic sedimentation background analysis of a target layer according to seismic data of the target layer, and determining plane positions of a source region, a carrying region and a convergence region of sediments in a sedimentation period of the target layer; carrying out statistics to obtain the plane area and the number of sedimentary bodies in the convergence region; carrying out statistics to obtain the average thickness of the sedimentary body in the convergence region; carrying out statistics to obtain the number of channels in the carrying region, the sectional area of the carrying channel and the extension length of the carrying channel; determining the denudation area of the source region and the denudation duration of the target layer; and calculating the denudation rate of the sedimentary basin source region. According to the method, the denudation rate of the sediment source region is accurately calculated, the denudation rate of the sediment basin source region is quantitatively represented, and theimprovement of the accuracy of paleo-geomorphic recovery and paleo-climatic condition recovery in the deposition period of the target layer is facilitated.

Description

technical field [0001] The invention relates to the technical field of geological research, in particular to a calculation method and device for the denudation rate of a source area of ​​a sedimentary basin. Background technique [0002] For a long time, scholars at home and abroad have focused on qualitative analysis of the erosion rate of provenance areas in sedimentary basins. Problems such as restoration and irreproducibility have been limited to qualitative descriptions, and quantitative characterization of the denudation rate of sediment source areas has not been achieved. The inability to quantitatively characterize the denudation rate of the sediment source area will affect the accuracy of paleogeomorphology restoration and paleoclimatic condition restoration during the depositional period of the target layer. Contents of the invention [0003] An embodiment of the present invention provides a method for calculating the denudation rate of the provenance area of ​​...

Claims

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Application Information

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IPC IPC(8): G01V1/30G01V1/40
CPCG01V1/301G01V1/40G01V2210/6169
Inventor 陈彬滔杨丽莎史忠生赵伟白洁薛罗马轮王磊史江龙
Owner PETROCHINA CO LTD
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