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Method for analyzing development characteristics and distribution rules of permo-Ordovician volcanic rocks in Shuntuogole region

A technology of development characteristics and distribution rules, applied in seismology, geophysical measurement, seismic signal processing, etc., can solve the problems of unclear development characteristics and distribution rules of volcanic rocks, insufficient understanding, affecting the development mode and distribution rules of volcanic rocks, etc.

Inactive Publication Date: 2020-04-28
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0003] Permian volcanic rocks are generally developed in the Shuntuoguole area, but no systematic research has been carried out on volcanic rock petrology, logging response, and seismic response. The identification of single well lithology (especially the identification of transitional lithology), volcanic rock period The classification of volcanic rocks, and the understanding of the corresponding characteristics of volcanic rock facies, logging facies, and earthquakes is insufficient, and the development characteristics and distribution laws of different types and lithofacies of volcanic rocks are unclear, which affects the systematic summary of volcanic rock development models and distribution laws. Systematic Study of Permian-Ordovician Volcanic Rocks in Tuoguole Area

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  • Method for analyzing development characteristics and distribution rules of permo-Ordovician volcanic rocks in Shuntuogole region
  • Method for analyzing development characteristics and distribution rules of permo-Ordovician volcanic rocks in Shuntuogole region

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Embodiment 1

[0027] The analysis method for the development characteristics and distribution of Permian-Ordovician volcanic rocks in the Shuntuoguole area. This study takes the 3D seismic area in the Shuntuoguole area as the target, which are Shunbei 3D, Shunzhong 3D and Shun 8 wells Sanwei, Well Shun 8 North Sanwei area. 25 wells have been drilled in the three-dimensional area, and 13 wells have been used in the surrounding area, totaling 38 wells.

[0028] Aiming at the difficulties in the division and comparison of volcanic strata stages, standard wells were selected, constrained by the internal structure of volcanic rocks, and based on lithological combinations, the identification marks of stratigraphic stages of different levels were established. In principle, carry out the identification, division and comparative study of volcanic strata stages, establish volcanic strata shelf and inner structure, select standard wells, compare cuttings and core observations, thin section and geochem...

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Abstract

The invention provides a method for analyzing development characteristics and distribution rules of permo-Ordovician volcanic rocks in a Shuntuogole region. The method comprises the following steps: S1, dividing single-well stages of volcanic rocks in a research region and establishing a rock-electricity relationship chart; S2, carrying out lithology interpretation and seismic fine calibration interpretation of all single-well volcanic rocks in a three-dimensional area; and S3, establishing a volcanic rock development mode, and summarizing volcanic rock development characteristics and distribution rules of the research area. The method provided by the invention provides a technical support for the distribution detection of the Taran Ordovician oil reservoir in the Shuntuogole region.

Description

technical field [0001] The invention relates to an analysis method for the development characteristics and distribution rules of Permian-Ordovician volcanic rocks in the Shuntuoguole area Background technique [0002] The Permian volcanic rocks in the Shuntuoguole area are widely developed and generally thick, but the lithology and stratum thickness vary greatly in different regions and at different depths. Due to the influence of velocity and volcanic rock shielding, the corresponding seismic characteristics of the underlying strata of the volcanic rocks are affected. It has a certain influence on the oil and gas exploration of the main exploration target layer under the volcanic rock. [0003] Permian volcanic rocks are generally developed in the Shuntuoguole area, but no systematic research has been carried out on volcanic rock petrology, logging response, and seismic response. The identification of single well lithology (especially the identification of transitional lith...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V11/00G01V1/30G01V1/40
CPCG01V1/301G01V1/306G01V1/307G01V1/40G01V11/00
Inventor 肖重阳
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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