Seismic data longitudinal section graph drawing method and device
A technique for drawing seismic data and graphs, which is applied in seismology, measuring devices, and seismic signal processing, etc. It can solve the problems of low data description accuracy and poor resolution of longitudinal sections of seismic data volumes, and improve resolution and data description The effect of precision
Pending Publication Date: 2021-02-02
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology
The existing seismic data longitudinal section graphics usually use information coloring method for qualitative description, such as variable density seismic section or attribute impact surface, which can only achieve qualitative description, and the resolution of longitudinal section of seismic data volume is poor. Low description accuracy
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[0024]In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. Here, the exemplary embodiments of the present invention and the description thereof are used to explain the present invention, but not as a limitation to the present invention.
[0025]As mentioned above, the existing seismic data longitudinal section graph drawing usually uses the information filling method for qualitative description, such as variable density seismic section or attribute impact surface, which can only achieve qualitative description and the resolution of seismic data volume longitudinal section section Poor ability and low precision of data description. In order to solve this problem, the inventor found in the process of implementing the present invention:
[0026]In the oil and gas exploration and development industr...
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The invention discloses a seismic data longitudinal section graph drawing method and device, and the method comprises the steps: obtaining seismic data which comprises superposed seismic data or seismic attribute data, wherein the seismic attribute data comprises seismic root-mean-square amplitude attribute data and seismic coherence attribute data, and one or any combination of seismic curvatureattribute data; determining graph drawing parameters according to the seismic data, wherein the graph drawing parameters comprise a data starting sampling point, a sampling rate, a common depth pointgather number and a sampling point numerical value; drawing a color filling background image of the longitudinal section of the seismic data according to the seismic data and the sampling point values; and according to the data starting sampling point, the sampling rate and the common depth point gather number, carrying out contour line sketching on a color filling background image of the seismicdata longitudinal section. According to the method, the resolution capability and data description precision of the seismic data volume longitudinal section can be improved, and a powerful basis is provided for oil and gas reservoir development scheme compilation.
Description
Technical field[0001]The invention relates to the technical field of oil and natural gas exploration and development, in particular to a method and device for drawing longitudinal section graphics of seismic data.Background technique[0002]Data visualization technology has become a popular technology in scientific research, which can improve the efficiency and accuracy of engineering. Data visualization technology has been widely used in many fields, especially in the application of geological prospecting engineering, which reduces the risk and cost of geological prospecting, and also improves the efficiency and quality of seismic data processing.[0003]The longitudinal section of seismic data is a widely used analysis method in seismic exploration. Existing seismic data longitudinal section graph drawing usually uses information coloring method for qualitative description, such as variable-density seismic section or attribute impact surface, which can only achieve qualitative descrip...
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Login to View More IPC IPC(8): G01V1/30
CPCG01V1/301G01V2210/74
Inventor 李相文但光箭刘永雷毕姣莹张亮亮周红波
Owner BC P INC CHINA NAT PETROLEUM CORP