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Identification method for electric imaging electrofacies of carbonate formation and device thereof

A technology of carbonate rock and identification method, which is applied in the direction of earthwork drilling and production, wellbore/well parts, etc., can solve the problems of no identification method and device, difficulty in identifying sedimentary facies of carbonate rock strata, etc., and achieve a good distribution law Effect

Inactive Publication Date: 2010-12-01
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] But in the process of realizing the present invention, the contriver finds that the defect of prior art is: for carbonate formation, electrical imaging logging data is only used for the inclination angle, inclination, opening degree, etc. In terms of density and other analysis, it is difficult to identify the sedimentary facies of carbonate formations, and there is no corresponding identification method and device

Method used

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  • Identification method for electric imaging electrofacies of carbonate formation and device thereof
  • Identification method for electric imaging electrofacies of carbonate formation and device thereof
  • Identification method for electric imaging electrofacies of carbonate formation and device thereof

Examples

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Embodiment 1

[0041] An embodiment of the present invention provides a method for identifying electrical imaging logging facies in carbonate formations, such as figure 1 As shown, the method includes:

[0042] Step 101, obtaining electrical imaging logging data of carbonate formations;

[0043] Step 102, processing the electrical imaging logging data to obtain image information of the electrical imaging logging data, the image information including image structure and image color;

[0044] Step 103, identifying the image information of the acquired electrical imaging logging data according to the preset electrical imaging logging phase, so as to obtain the electrical imaging logging phase corresponding to the electrical imaging logging data; the electrical imaging logging phase includes : massive phase, layered phase and patchy phase;

[0045] Among them, the image color of the massive phase is uniform, and the image structure is blocky; the image structure of the lamellar phase is textur...

Embodiment 2

[0050] An embodiment of the present invention provides a method for identifying electrical imaging logging facies in carbonate rock formations. On the basis of Example 1, the electrical imaging logging facies are specifically divided into massive, layered, and porphyritic facies. Further improve the accuracy of recognition.

[0051] Such as figure 2 As shown, the method includes:

[0052] Step 201, acquiring electrical imaging logging data of carbonate formations.

[0053]Step 202, performing dynamic image processing on the acquired electrical imaging logging data to obtain the image structure of the electrical imaging logging data;

[0054] In this embodiment, dynamic image processing can be performed on the acquired electrical imaging logging data through imaging logging image processing software, for example, dynamic image processing can be performed through the Geoframe software platform of Schlumberger Logging Company, but not limited to Therefore, the specific dynami...

Embodiment 3

[0079] An embodiment of the present invention provides a method for identifying electrical imaging logging facies in carbonate formations. On the basis of Embodiment 2, the colors can be configured from light to dark according to the resistivity from low to high.

[0080] Such as Figure 19 As shown, the method includes:

[0081] Step 1901, acquiring electrical imaging logging data of carbonate formations.

[0082] Step 1902, performing dynamic image processing on the acquired electrical imaging logging data to obtain the image structure of the electrical imaging logging data;

[0083] In this embodiment, dynamic image processing can be performed on the acquired electrical imaging logging data through imaging logging image processing software.

[0084] Step 1903, performing static image processing on the acquired electrical imaging logging data to obtain the image color of the electrical imaging logging data;

[0085] In this embodiment, static image processing may also be ...

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Abstract

The embodiment of the invention provides an identification method for electric imaging electrofacies of carbonate formation and a device thereof. The method comprises the following steps: acquiring the electric imaging log data of the carbonate formation; processing the electric imaging log data to acquire the image information of the electric imaging log data; according to the preset electric imaging electrofacies, identifying the acquired image information of the acquired electric imaging log data; and acquiring the electric imaging eletrofacies of the carbonate formation corresponding to the electric imaging log data, wherein the electric imaging electrofacies comprises a massive phase, a lamellar phase and a porphyritic phase. The embodiment of the invention can identify the sedimentary facies of the carbonate formation, obtain the electric imaging electrofacies of the carbonate formation and better research and forecast the regularities of distribution of a reservoir bed.

Description

technical field [0001] The invention relates to the field of petroleum logging, in particular to a method and a device for identifying electrical imaging logging facies of carbonate formations. Background technique [0002] At present, through the electrical imaging logging technology, a large amount of intuitive information can be provided for qualitative analysis of the formation, and parameters can be extracted from it for quantitative analysis of the reservoir. [0003] But in the process of realizing the present invention, the contriver finds that the defect of prior art is: for carbonate formation, electrical imaging logging data is only used for the inclination angle, inclination, opening degree, etc. In terms of density and other analysis, it is difficult to identify the sedimentary facies of carbonate formations, and there is no corresponding identification method and device. Contents of the invention [0004] Embodiments of the present invention provide a method...

Claims

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Application Information

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IPC IPC(8): E21B49/00
Inventor 杨海军钟广法肖承文祁新中郭秀丽傅海成刘兴礼海川李多丽张承森顾宏伟信毅周阳
Owner PETROCHINA CO LTD
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