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A method for establishing a dynamic and quantitative evaluation system for the availability of hydrocarbon source rocks, the evaluation system and its application

A quantitative evaluation and source rock technology, applied in the field of oil and natural gas resource evaluation, it can solve the problems of great influence of key indicators and many parameters, and achieve the effect of strong operability and practicability

Active Publication Date: 2022-05-03
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

Furthermore, this method assumes too many parameters, so the acquisition of some key indicators is greatly affected by human factors in practical application.

Method used

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  • A method for establishing a dynamic and quantitative evaluation system for the availability of hydrocarbon source rocks, the evaluation system and its application
  • A method for establishing a dynamic and quantitative evaluation system for the availability of hydrocarbon source rocks, the evaluation system and its application
  • A method for establishing a dynamic and quantitative evaluation system for the availability of hydrocarbon source rocks, the evaluation system and its application

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Embodiment

[0055] Using the dynamic quantitative evaluation system and evaluation method for the availability of source rocks of the present invention to evaluate the availability of source rocks in the Biyang Petroleum-bearing Basin of Henan Province includes the following steps:

[0056] a, Collect 45 source rock samples of known burial depth H in the E layer of the oil-gas-bearing area sag in Biyang, Henan, and measure the residual organic carbon content TOC and rock pyrolysis hydrogen index HI of each sample. For source rock samples of known original sedimentary organic matter type, the vitrinite reflectance Ro' was measured; the measured TOC, HI and Ro' are shown in Table 1;

[0057] b. The vitrinite reflectance Ro' measured in step 1 was corrected using the vitrinite reflectance correction curve charts of different organic matter types of source rocks. The corrected vitrinite reflectance Ro is shown in Table 1;

[0058] c. According to the corrected vitrinite reflectance Ro, establ...

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Abstract

The invention relates to a method for establishing a dynamic quantitative evaluation system for the availability of hydrocarbon source rocks. And through this method, a dynamic quantitative evaluation system of source rock availability is formed, and a method for dynamic quantitative evaluation of source rock availability using this system is provided. This method can identify hydrocarbons more accurately, quickly, and in large quantities. The availability of source rocks can meet the needs of fine exploration and evaluation of remaining resource potential in oil and gas-bearing areas.

Description

technical field [0001] The invention belongs to the technical field of oil and natural gas resource evaluation, and in particular relates to a method for establishing a dynamic quantitative evaluation system for the effectiveness of hydrocarbon source rocks, the evaluation system and its application. Background technique [0002] Source rocks are rocks rich in sedimentary organic matter that can produce or have produced mobile oil and gas, including oil source rocks, gas source rocks and oil and gas source rocks. Effective source rocks refer to source rocks that are generated and discharged under natural conditions enough to form industrial oil and gas accumulations. Usually, the qualitative and quantitative evaluation of sedimentary organic matter contained in source rocks is carried out from several aspects such as abundance, type, maturity, oil and gas generation potential, distribution area, and thickness. [0003] (1) Abundance of sedimentary organic matter. The abund...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 郑伦举王强徐旭辉陆建林缪九军武英利韩元红周建枝
Owner CHINA PETROLEUM & CHEM CORP
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