Method and experimental device for analysis on transformation of sedimentary basin by magma bottom wall, and medium

A magma and diapir technology, applied in the direction of measuring devices, seismology, material inspection products, etc., can solve the problems affecting the evolution of the basin and the accuracy of the paleogeographical pattern, and the lack of reconstruction strength

Pending Publication Date: 2021-11-05
中海石油(中国)有限公司深圳分公司 +1
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the characterization of magma diapirism on the transformation intensity of sedimentary basins is in the qualitative description stage, focusing on the research of magma diapirs on basin structure, stratigraphic structure style and other transformation types by magmatic activity stages, and lacks parameter indicators to quantitatively characterize magma diapir development The location and diapir activities have transformed the sedimentary strata and sedimentary basins, which in turn affects the accuracy of subsequent restoration of basin evolution and paleogeographical patterns

Method used

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  • Method and experimental device for analysis on transformation of sedimentary basin by magma bottom wall, and medium
  • Method and experimental device for analysis on transformation of sedimentary basin by magma bottom wall, and medium
  • Method and experimental device for analysis on transformation of sedimentary basin by magma bottom wall, and medium

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Embodiment 1

[0026] figure 1 It is a flow chart of the method for analyzing the transformation of magma diapirs to sedimentary basins in Embodiment 1 of the present invention. This embodiment is applicable to the quantitative analysis of the transformation intensity of magma diapirs to sedimentary basins. The method can be implemented by an experimental device for analyzing sedimentary basins reformed by magma diapirs, and the device can be realized by means of software and hardware. like figure 1 As shown, the method specifically includes:

[0027] Step 101, according to the three-dimensional seismic data and drilling data of the sedimentary basin, determine the original position and the current position of the reformed stratum under the action of magma diapir in the sedimentary basin.

[0028] According to the three-dimensional seismic data and drilling data of the sedimentary basin, the reformed strata affected by magma diapirism in the sedimentary basin are determined. Among them, 3...

Embodiment 2

[0067] An embodiment of the present invention provides an experimental device for analyzing the reformation of a sedimentary basin by a magma diapir. This embodiment is applicable to quantitatively analyzing the strength of reformation of a fault system in a sedimentary basin by a magma diapir. The experimental setup includes:

[0068] The sedimentary basin sandbox model determination module is used to determine the sandbox model of the sedimentary basin under the action of extension, compression and strike-slip according to preset conditions;

[0069] The plastic magma injection simulation module is used to simulate the process of magma diapirism in the actual research area according to the magma scale and rheological properties;

[0070] The power device module is used to provide a power source for the occurrence of magma diapirism in sedimentary basins according to the mechanical background, structural evolution, and magma diapir scale and rate of sedimentary basins;

[00...

Embodiment 3

[0080] Figure 5 It is a schematic diagram of the structure of the analysis device for the transformation of magma diapirs to sedimentary basins in Embodiment 3 of the present invention. This embodiment is applicable to the analysis of the intensity of transformation of magma diapirs to the fault system of sedimentary basins. like Figure 5 As shown, the device includes:

[0081] The stratum position determination module 510 is used to determine the original position and the current position of the reformed stratum under the action of magma diapir in the sedimentary basin according to the three-dimensional seismic data and drilling data of the sedimentary basin;

[0082] A modification parameter determination module 520, configured to determine the modification origin, modification end point and modification range of the modified formation according to the original position and the current position;

[0083] The three-dimensional interpretation module 530 is used to perform ...

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Abstract

The invention discloses a method and experimental device for analysis on the transformation of a sedimentary basin by a magma bottom wall, and a medium. The method comprises the following steps of: according to three-dimensional seismic data and drilling data of the sedimentary basin, determining an original position and a current position of a transformed stratum under the action of the magma bottom wall in the sedimentary basin; according to the original position and the current position, determining the transformation original point, the transformation terminal point and the transformation range of the transformed stratum; performing three-dimensional interpretation according to the transformation original point, the transformation terminal point and the transformation range, and determining the maximum transformation height difference and transformation area; and according to the maximum transformation height difference and the transformation area, determining the transformation strength parameters of the sedimentary basin under the magma bottom clogging effect. By establishing the parameters to quantitatively characterize the transformation strength of the magma bottoming effect on the stratum of the sedimentary basin , the method has important significance for quantitatively analyzing and recovering a paleogeographical pattern (prototype basin), reconstructing the evolution history of the sedimentary basin and determining the influence of the transformation strength difference on the oil and gas enrichment law.

Description

technical field [0001] The embodiment of the present invention relates to a method, an experimental device and a medium for transforming and analyzing sedimentary basins by magmatic diapirs in the technical field of basin analysis. Background technique [0002] Sedimentary basins are the main places where oil and gas and other sedimentary minerals accumulate, and the structural evolution stages are different for different basin types. Magmatic activities can be divided into volcanism erupting from the surface and diapirism intruding into rock formations according to whether they erupt from the surface. Magma diapirism has a certain transformation effect on the activity and distribution of strata, and then affects the shape of the filled strata and the structure of the basin. Due to the difference in stages, activity intensity, and development location of magma diapirism, there are differences in the transformation intensity of the basin stratigraphic structure and filling st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24G01V1/28G01V1/30G09B23/40
CPCG01N33/24G01V1/282G01V1/30G09B23/40
Inventor 张向涛吴琼玲肖张波李敏赵庆阙晓铭鲜本忠
Owner 中海石油(中国)有限公司深圳分公司
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