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Automatic extraction and conversion method and device for interpretation information in seismic section bitmap

A seismic profile and bitmap technology, applied in the field of exploration, can solve problems such as error in result data, distortion of seismic profile pictures, etc., and achieve the effect of improving accuracy and utilization

Active Publication Date: 2015-12-09
PETROCHINA CO LTD
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Problems solved by technology

But the disadvantage of this method is that when the original seismic section picture is distorted and blurred in a large area, there may be some errors in the result data

Method used

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  • Automatic extraction and conversion method and device for interpretation information in seismic section bitmap
  • Automatic extraction and conversion method and device for interpretation information in seismic section bitmap
  • Automatic extraction and conversion method and device for interpretation information in seismic section bitmap

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Embodiment Construction

[0055] 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 making creative efforts belong to the protection scope of the present invention.

[0056] Such as figure 1 As shown in the figure, it is a flow chart of the method for automatically picking up and transforming the interpretation information in the bitmap of the seismic section proposed by the present invention. include:

[0057] Step 101): Preprocessing the seismic section bitmap, so that the section horizontal line of the seismic section bitmap is in a horizontal state, and the time axis of the seismic section bitmap is perpendicular to th...

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Abstract

The invention relates to an automatic extraction and conversion method and device for interpretation information in a seismic section bitmap. According to the technical scheme, the method comprises the steps: determining two-dimensional geodetic coordinates and starting time of the head and tail ends of the seismic section bitmap after the preprocessing of the seismic section bitmap; automatically calculating and reading actual three-dimensional geodetic coordinates corresponding to an interpretation information point through a small gap; enabling the same type of interpretation results to be discriminated and merged into one text file, thereby bringing convenience to a user for importing the text file into seismic software so as to make spatial contrastive analysis and generate a precise map, achieving the quick digitalization of the interpretation information in the seismic section bitmap, and improving the precision and utilization rate of the interpretation result data in the seismic section bitmap.

Description

technical field [0001] The invention relates to the field of exploration technology, in particular to a method and device for automatically picking up and transforming interpretation information in seismic section bitmaps. Background technique [0002] In the oil and gas industry, oil and gas reservoirs are enriched in specific locations in a certain set of formations underground. The exploration and development of modern oil and natural gas require the use of seismic sections to a large extent to determine the location, depth, and shape of the target formation, and to use it for well location design and reserve calculation. Therefore, it is of great significance to quickly and accurately determine the structural shape and fault spatial characteristics of underground strata through seismic sections. [0003] However, in the process of seismic interpretation, due to data limitations, the utilization rate of the original seismic section pictures is low; especially in overseas...

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Application Information

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IPC IPC(8): G01V1/30G01V1/32
Inventor 杨荣军王天奇张静张亚军李国斌代寒松
Owner PETROCHINA CO LTD
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