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Continental lacustrine basin shale sedimentary system division method

A sedimentary system and mud shale technology, applied in the field of fine-grained sedimentology, can solve the problems that restrict the evaluation of the prospective resources of shale oil in selected areas and zones of continental shale oil

Inactive Publication Date: 2019-01-11
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0003] At present, the research on the fine-grained sedimentary system of continental lacustrine basins has just started and is in the exploratory stage, and a complete theoretical system and evaluation method system have not yet been formed, which seriously restricts the selection of areas and zones in the process of continental shale oil exploration and deployment, and the prospect resources of shale oil Quantitative evaluation and formulation of next-stage exploration policies

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  • Continental lacustrine basin shale sedimentary system division method
  • Continental lacustrine basin shale sedimentary system division method
  • Continental lacustrine basin shale sedimentary system division method

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[0026] In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are listed below and shown in the accompanying drawings in detail as follows.

[0027] like figure 1 as shown, figure 1 It is a flow chart of the method for dividing the continental lacustrine mud shale depositional system of the present invention.

[0028] In step 101, the fine-grained material deposition environment evaluation is performed to classify depositional systems or depositional facies. First of all, the difference between the environments of material deposition should be clarified. The purpose is to analyze the control effect of the deposition environment on the sedimentary facies. Considering that the fine-grained deposition environment is generally in the deep lake-semi-deep lake area, and the environmental difference is not obvious, the present invention determines the material A more detailed evaluation of the se...

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Abstract

A continental lacustrine basin shale sedimentary system division method includes: 1, evaluating sedimentary environment of fine-grained matter to divide sedimentary system or sedimentary facies; 2, analyzing that fine particle sedimentary characteristics; 3, carrying out the spatial distribution characteristics of the fine grain sedimentary type; 4, analyzing the internal relationship between thesedimentary environment and the fine-grained matter to determine the sedimentary mechanism of the fine-grained matter; 5, determining a sedimentary system scheme; 6, establishing an evaluation index of the sedimentary system; 7, defining the spatial distribution of the sedimentary system. The continental lacustrine basin shale sedimentary system division method provides the direction for shale oilexploration, provides related theoretical support for deep research of hydrocarbon generation-reservoir forming-accumulation of for lacustrine facies shale and is of great theoretical significance tothe development of sedimentology and reservoir geology.

Description

technical field [0001] The invention relates to the field of fine-grained sedimentology, in particular to a division method of continental lacustrine mud shale depositional system. Background technique [0002] Mud shale formed in different depositional environments has different oil-bearing properties, storage properties and compressibility, and the mobility of shale oil is also different. Basis for oiliness and compressibility evaluation. [0003] At present, the research on the fine-grained sedimentary system of continental lacustrine basins has just started and is in the exploratory stage, and a complete theoretical system and evaluation method system have not yet been formed, which seriously restricts the selection of areas and zones in the process of continental shale oil exploration and deployment, and the prospect resources of shale oil Quantitative evaluation and formulation of next-stage exploration policies. For this reason, we invented a new division method of ...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02
Inventor 宋国奇王勇朱德顺刘惠民郝雪峰朱德燕杨万芹丁桔红银燕宁方兴
Owner CHINA PETROLEUM & CHEM CORP
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