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Method and device for determining rock mineral content coefficient and storage medium

A mineral content and mineral technology, applied to computer equipment, a method and device for determining the rock mineral content coefficient, storage medium field, can solve the problem that the model is not open, etc.

Pending Publication Date: 2022-07-26
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The interpretation method represented by Schlumberger relies on a large number of regional experimental data, corresponding to some new formations, it may be necessary to re-establish the model, and the established model is not public, and the applicability needs to be further verified; the interpretation method represented by Halliburton Strong adaptability, but there is uncertainty in inversion of minerals

Method used

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  • Method and device for determining rock mineral content coefficient and storage medium
  • Method and device for determining rock mineral content coefficient and storage medium
  • Method and device for determining rock mineral content coefficient and storage medium

Examples

Experimental program
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Embodiment 1

[0051] In order to solve the above technical problems existing in the prior art, an embodiment of the present invention provides a method for determining a rock mineral content coefficient.

[0052] refer to figure 1 , the method for determining the rock mineral content coefficient of this embodiment includes the following steps:

[0053] S110, for each mineral constituting the rock, construct a relational formula according to the molar mass of the mineral determined in advance and a predetermined molecular formula model, wherein, in the molecular formula model, the partition coefficient of the main element is unknown;

[0054] S120, solving the relational expression to obtain the distribution coefficient of the main element;

[0055] S130, determine whether the calculated distribution coefficient of the main element is consistent with the actual measurement result of the relative content of the element:

[0056] If yes, execute step S140;

[0057] If not, go to step S150; ...

Embodiment 2

[0083] In order to solve the above technical problems existing in the prior art, an embodiment of the present invention provides a method for determining a rock mineral content coefficient based on Embodiment 1, wherein the method of the embodiment of the present invention improves step S130 in Embodiment 1.

[0084] refer to figure 2 , the method for determining the rock mineral content coefficient of this embodiment includes the following steps:

[0085] S210, for each mineral constituting the rock, construct a relational formula according to the pre-determined molar mass of the mineral and a predetermined molecular formula model, wherein, in the molecular formula model, the partition coefficient of the main element is unknown;

[0086] S220, solving the relational expression to obtain the distribution coefficient of the main element;

[0087] S231, judging whether the calculated distribution coefficient of the main element is consistent with the actual measurement result ...

Embodiment 3

[0098] In order to solve the above technical problems existing in the prior art, an embodiment of the present invention provides a method for determining a rock mineral content coefficient based on Embodiment 2, wherein the method of this embodiment of the present invention improves step S240 in Embodiment 2.

[0099] refer to image 3 , the method for determining the rock mineral content coefficient of this embodiment includes the following steps:

[0100] S310, for each mineral constituting the rock, construct a relational formula according to the molar mass of the mineral determined in advance and a predetermined molecular formula model, wherein, in the molecular formula model, the partition coefficient of the main element is an unknown;

[0101] S320, solving the relational expression to obtain the distribution coefficient of the main element;

[0102] S331, determine whether the calculated distribution coefficient of the main element is consistent with the actual measure...

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Abstract

The invention discloses a method and device for determining a rock mineral content coefficient, a storage medium and computer equipment, and the method for determining the rock mineral content coefficient comprises the following steps: for each mineral forming a rock, constructing a relational expression according to the pre-measured molar mass of the mineral and a pre-determined molecular formula model; solving the relational expression to obtain a distribution coefficient of the main element; judging whether the calculated distribution coefficient of the main element meets a preset condition or not; if so, calculating the content coefficient of each element forming the mineral in the mineral according to a molecular formula corresponding to the distribution coefficient of the main element; and determining a content coefficient of each element in each mineral forming the rock in the mineral and a coefficient matrix of the relationship between the elements in the rock and the mineral. The method can effectively determine the quantitative relationship between the mineral content and the element of the igneous rock, and provides a theoretical basis for identifying the mineral type and the mass content of the igneous rock stratum.

Description

technical field [0001] The invention belongs to the technical field of petroleum exploration, development and application, and particularly relates to a method and device for determining a rock mineral content coefficient, a storage medium and computer equipment. Background technique [0002] Jin Yunzhi, Gao Chuqiao, et al. (2018) established a relationship model between igneous rock formation element logging data and various lithologies on the basis of formation component analysis; Starting from the content of H, Si, S, Ti and other formation elements, quantitatively calculate the content of igneous rock lithological components. CN107194401A is based on the standard grayscale charts of igneous rock QAPF, etc., through the links of igneous rock mineral composition input point, input point position gray value acquisition, and quick acquisition of igneous rock name based on hash table collection, etc., to quickly realize automatic classification and naming of igneous rocks. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 廖东良赵文杰李永杰吴海燕王卫
Owner CHINA PETROLEUM & CHEM CORP
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