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Mudstone and oil shale identification method and device, electronic equipment and medium

An identification method and oil shale technology, which is applied in the fields of oil shale identification method, mudstone, electronic equipment and media, and devices, can solve the problems of difficult quantitative prediction, no relevant reports, and many parameters involved, so as to save manpower and material resources , improve statistical efficiency, and enrich the effect of analyzing data

Pending Publication Date: 2022-01-18
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The logging response characteristics of oil shale have been discussed before, but many parameters are involved and the relationship is complicated, so it is difficult to make quantitative predictions in the region. There is no relevant patent technology report at present.
In terms of logging response characteristics of dark mudstone, there is no relevant report on the exploration of theory and patented technology

Method used

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  • Mudstone and oil shale identification method and device, electronic equipment and medium
  • Mudstone and oil shale identification method and device, electronic equipment and medium
  • Mudstone and oil shale identification method and device, electronic equipment and medium

Examples

Experimental program
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Effect test

Embodiment 1

[0127] figure 2 A flowchart showing the steps of the mudstone and oil shale identification method according to the present invention.

[0128] Such as figure 2 As shown, the mudstone and oil shale identification method includes: step 101, determine the target logging curve and perform preprocessing; step 102, determine the lithology identification end value; step 103, determine the lithology interpretation according to the lithology identification end value strategy; step 104, perform lithology identification for each single well according to the lithology interpretation strategy, and obtain the identification result.

[0129] The identification of dark mudstone and oil shale was carried out in 8 intervals of the Yanchang Formation in the Ordos Basin, and the number of predicted wells is 106. According to the logging response characteristics, the SP curve is selected as the first discriminant curve for distinguishing permeable rock formations from non-permeable rock format...

Embodiment 2

[0142] Figure 7 A block diagram of a mudstone and oil shale identification device according to an embodiment of the present invention is shown.

[0143] Such as Figure 7 As shown, the mudstone and oil shale identification device includes:

[0144] Preprocessing module 201, determining the target logging curve and performing preprocessing;

[0145] End value determination module 202, to determine the end value of lithology identification;

[0146] The interpretation formula determination module 203 determines the lithology interpretation strategy according to the lithology identification end value;

[0147] The identification module 204 performs lithology identification for each single well according to the lithology interpretation strategy, and obtains identification results.

[0148] As an optional solution, the preprocessing includes: depth correction, smoothing filter processing and environment correction.

[0149] As an optional solution, depth correction is perform...

Embodiment 3

[0162] The present disclosure provides an electronic device comprising: a memory storing executable instructions; a processor running the executable instructions in the memory to implement the mudstone and oil shale identification method described above.

[0163] An electronic device according to an embodiment of the present disclosure includes a memory and a processor.

[0164] The memory is used to store non-transitory computer readable instructions. Specifically, the memory may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and / or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and / or cache memory (cache). The non-volatile memory may include, for example, a read-only memory (ROM), a hard disk, a flash memory, and the like.

[0165] The processor may be a central processing unit (CPU) or other form of processing unit having data processi...

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Abstract

The invention discloses a mudstone and oil shale identification method and device, electronic equipment and a medium. The method can comprise the steps of determining a target logging curve and performing preprocessing, determining a lithology identification end value, determining a lithology interpretation strategy according to the lithology identification end value, and performing lithology identification on each single well according to the lithology interpretation strategy to obtain an identification result. According to the method, through response characteristics of various logging information to dark mudstone and oil shale, the defects caused by few rock debris logging data, uneven distribution, inaccurate and the like are overcome, hydrocarbon source rock analysis data are greatly enriched, and a solid foundation is laid for prediction of longitudinal and transverse distribution characteristics of hydrocarbon source rocks and comprehensive research of reservoir formation.

Description

technical field [0001] The invention relates to the field of oil and gas geological research, and more specifically relates to a mudstone and oil shale identification method, device, electronic equipment and medium. Background technique [0002] Black, gray black, dark gray mudstone (collectively referred to as dark mudstone) and oil shale are the main rock types of main source rocks in continental sedimentary basins. Accurately predicting their vertical and horizontal distribution characteristics is an important basis for the next calculation of oil and gas resources and comprehensive analysis of accumulation. According to cuttings logging data, lithology statistics are the most direct method, but there are problems such as insufficient data, uneven distribution, and inaccuracy, which cannot meet the needs of fine evaluation of source rocks. Therefore, it is necessary to use technical means to carry out lithology identification and statistics. At present, there are many m...

Claims

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Application Information

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IPC IPC(8): G01V11/00
CPCG01V11/002
Inventor 韦庆亮陆建林方成名段铁军程建王保华梁世友宋在超
Owner CHINA PETROLEUM & CHEM CORP
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