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Reservoir physical property evaluation method and device based on triangular evaluation plate

A technology of reservoir physical properties and evaluation methods, applied in the field of petroleum exploration, to achieve high accuracy, easy operation, and eliminate interference from human factors

Pending Publication Date: 2020-09-15
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Abstract
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Problems solved by technology

Greatly improved the accuracy of quantitative evaluation of reservoirs, effectively solved the problem of quantitative evaluation of tight reservoirs

Method used

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  • Reservoir physical property evaluation method and device based on triangular evaluation plate
  • Reservoir physical property evaluation method and device based on triangular evaluation plate
  • Reservoir physical property evaluation method and device based on triangular evaluation plate

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Embodiment Construction

[0069] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0070] Embodiments of the present invention provide a specific implementation of a reservoir physical property evaluation method based on a triangular evaluation chart, see figure 1 , the reservoir physical property evaluation method based on the triangular evaluation chart specifically includes the following contents:

[0071] Step 101: Accordin...

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Abstract

The invention provides a reservoir physical property evaluation method and device based on a triangular evaluation plate, and the method comprises the steps: dividing minerals in a rock core into three types according to the properties of parent rock in a rock core source region and a mechanical differentiation principle, and enabling the three types of minerals to respectively correspond to threevertexes of a triangular evaluation plate, wherein the three types of minerals comprise carbonate minerals, skeleton minerals and clay minerals; according to the contents of the three types of minerals and rock core physical property parameters, carrying out content region division on the triangular evaluation plate; and evaluating the physical properties of a reservoir to be evaluated accordingto the content region division. The invention can provide the method and the device for quickly and visually evaluating the physical property of a tight reservoir.

Description

technical field [0001] The invention relates to the field of petroleum exploration, in particular to a reservoir physical property evaluation technology, in particular to a reservoir physical property evaluation method and device based on a triangular evaluation chart. Background technique [0002] With the deepening of oil and gas exploration, the exploration technology of conventional sandstone reservoirs has become very mature, while the conventional sandstone exploration targets are becoming rarer and rarer. At the same time, the proportion of unconventional reservoir targets such as tight sandstone and shale is increasing, and their importance in oil and gas exploration is also becoming more and more significant. my country has successively made breakthroughs in the exploration of tight sandstone / shale in Sichuan and the Junggar Basin, especially the discovery of 1 billion tons of predicted tight sandstone (shale) reserves in the Lucaogou Formation in the Jimsar Sag of ...

Claims

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Application Information

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IPC IPC(8): G01N23/20G01N15/08
CPCG01N23/20G01N15/08G01N15/088G01N2015/0846G01N2223/056G01N2223/1016G01N2223/616G01N2223/649
Inventor 刘万辉
Owner BC P INC CHINA NAT PETROLEUM CORP
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