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Method and device for determining beneficial rock type of shale oil

A rock type and shale oil technology, applied in the field of oil and gas exploration, can solve the problem of inaccurate favorable rock types for shale oil

Active Publication Date: 2017-10-10
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present application provides a method for determining the favorable rock type of shale oil, so as to solve the technical problem of inaccurate determination of the favorable rock type of shale oil existing in the existing method

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  • Method and device for determining beneficial rock type of shale oil
  • Method and device for determining beneficial rock type of shale oil
  • Method and device for determining beneficial rock type of shale oil

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Embodiment Construction

[0064] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0065] Considering that the existing method for determining favorable rock types for shale oil (or shale gas) does not have a complete and systematic analysis of the geological information contained in fine-grained sedimentary rock samples; for fine-grained sedimentary rock samples Analysis is often limited to distinguishing basic feature...

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Abstract

The embodiment of the invention provides a method and a device for determining the beneficial rock type of shale oil. The method comprises the following steps: acquiring a pulveryte sample in a target region; respectively determining the granularity type, stratification type, organic matter content feature, organic matter type, organic matter distribution type and maturity of the pulveryte sample; and determining the beneficial rock type of the shale oil according to the granularity type, stratification type, organic matter content feature, organic matter type, organic matter distribution type and maturity of the pulveryte sample. According to the scheme, by carrying out comprehensive analysis on pulveryte, multiple groups of type features are acquired so as to determine whether the pulveryte sample is the beneficial rock type of the shale oil, so that the technical problem that existing methods for determining the beneficial rock type of the shale oil are poor in accuracy due to the shortage of geologic features of multiple samples is solved.

Description

technical field [0001] The present application relates to the technical field of oil and gas exploration, in particular to a method and device for determining favorable rock types for shale oil. Background technique [0002] In recent years, unconventional oil and gas exploration has attracted more and more attention. Especially the exploration research on tight gas, tight oil, shale oil and shale gas has gradually become a topic of concern. [0003] During specific construction, in order to guide the determination of favorable areas for shale oil and shale gas enrichment, it is generally necessary to classify the fine-grained sedimentary rock samples in the target area. Furthermore, the type classification results of fine-grained sedimentary rock samples can be used as a reference to guide further exploration of the target area to determine whether the target area is a favorable area for shale oil and shale gas enrichment. [0004] At present, there is no complete and uni...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 崔景伟
Owner PETROCHINA CO LTD