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Calculation method and device of hydrocarbon source rock hydrocarbon generation and expulsion strength

A technology of hydrocarbon generation intensity and hydrocarbon generation intensity, which is applied in the field of hydrocarbon generation and expulsion intensity calculation of source rocks, can solve problems such as evaluation of hydrocarbon generation and expulsion intensity, and achieve accurate data support and accurate calculation results

Inactive Publication Date: 2016-11-09
PETROCHINA CO LTD
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  • Abstract
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Problems solved by technology

However, the existing logging evaluation methods cannot combine various factors in the caliper to give an accurate evaluation of the intensity of hydrocarbon generation and expulsion.

Method used

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  • Calculation method and device of hydrocarbon source rock hydrocarbon generation and expulsion strength
  • Calculation method and device of hydrocarbon source rock hydrocarbon generation and expulsion strength
  • Calculation method and device of hydrocarbon source rock hydrocarbon generation and expulsion strength

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0021] Embodiments of the present invention provide a method and device for calculating the intensity of hydrocarbon generation and expulsion of source rocks. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] The embodiment of the present invention provides a method for calculating the intensity of hydrocarbon generation and expulsion of source rocks, such as figure 1 As shown, the calculation method of...

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Abstract

The invention provides a calculation method and device of hydrocarbon source rock hydrocarbon generation and expulsion strength. The calculation method comprises the steps that the logging data of a single well are acquired, wherein the logging data at least comprise acoustic wave time difference, natural gamma, resistivity and depth scale; according to acoustic wave time difference, natural gamma, resistivity and depth scale and respective parameters, lithology in an interval identification single well is identified; acoustic wave time difference, natural gamma and resistivity are substituted into a hydrocarbon generation strength calculation formula corresponding to lithology to calculate the lithology hydrocarbon generation strength; and the hydrocarbon generation strength is substituted into a hydrocarbon generation strength relation to calculate the lithology hydrocarbon expulsion strength. According to the invention, a number of parameter factors are considered; calculated results are accurate, and accord with the actual geologic environment of the logging; and a precise data support is provided for subsequent logging.

Description

technical field [0001] The invention relates to oilfield logging technology, in particular to a method and device for calculating the intensity of hydrocarbon generation and expulsion of source rocks. Background technique [0002] With the development of my country's petroleum exploration technology, the exploration field has been continuously expanded, and has developed from conventional clastic rock reservoirs to carbonate rock reservoirs, and the evaluation of carbonate rock source rocks has become an important content. In carbonate source rocks, there are various lithologies with different hydrocarbon-generating capabilities, and even the same lithology has different hydrocarbon-generating potentials due to the different time and environment when it was formed. Therefore, accurate evaluation of source rocks has become the key content of evaluation of carbonate rock resources. [0003] In the field of petroleum exploration, the evaluation of source rocks is the primary t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 包波王凯尤义仁孙博王睿哲都行刘宁吕佳琦王紫菁肖爽刘建平胡新正李明廖朝国牛大维吴霞高红何良晨
Owner PETROCHINA CO LTD
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