Gather record processing method, device and computer storage medium
A processing method and gather technology, applied in the fields of gather record processing methods, devices and computer storage media, can solve the problems of difficult to effectively describe the illumination energy shot point of the target layer of complex structure, difficult modeling, etc., to improve the imaging quality , Optimizing the effect of the observation system
Active Publication Date: 2019-12-10
BC P INC CHINA NAT PETROLEUM CORP +1
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However, due to the complexity of geological phenomena, especially the modeling of special geological phenomena such as high and steep dip angles, overthrust nappes, faults, and cracks, it is difficult to effectively describe the illumination energy of complex structural target layers and to design the observation system in a dense manner. point
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[0021] The embodiments of this specification provide a gather record processing method, device and computer storage medium.
[0022] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in this specification will be clearly and completely described below in conjunction with the accompanying drawings in this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on the implementations in this specification, all other implementations obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this specification.
[0023] The method for processing gather records provided by the embodiments of this specification will be described in detail below with reference to the accompanying drawings. Although this description provides the method operation steps described in t...
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The embodiment of the invention provides a trace gather record processing method and device and a computer storage medium. The method comprises the steps that multiple trace gather records are obtained according to seismic trace records generated by different earthquake focuses of a working area; local similarity coefficients of the seismic trace records in multiple trace gather records are calculated, wherein superposition trace records are generated by superposing the seismic trace records in the trace gather records; according to the local similarity coefficients of the seismic trace records, the coefficient superposition values corresponding to the trace gather records are calculated, wherein partial coefficient superposition values are used as target coefficient superposition values,and the mean value of target coefficient superposition values is smaller than that of the coefficient superposition values except the target coefficient superposition values; the specific value of themean value of the target coefficient superposition values to the mean value of all the coefficient superposition values is calculated; the seismic trace records are added to the trace gather records,the specific value accords with a specified rule, and a trace gather record corresponding to the specific value which accords with the specified rule is obtained. The imaging quality of the superposition section is improved.
Description
technical field [0001] This specification relates to petroleum geophysical prospecting acquisition and processing technology, especially a gather record processing method, device and computer storage medium. Background technique [0002] With the continuous improvement of the exploration level, many exploration areas have entered the stage of secondary and tertiary exploration, and it is becoming more and more difficult to discover large oil fields and new oil fields. Because subtle oil and gas are affected by early acquisition technology and seismic data quality, it is difficult to open up the exploration situation. For the existing seismic data, although the quality of the original seismic data can be improved through various processing methods, it cannot fundamentally meet the needs of geological exploration at the present stage. [0003] At present, people gradually realize that the conventional optimal design method of field seismic observation system based on the assu...
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IPC IPC(8): G01V1/36
CPCG01V1/362
Inventor 倪宇东邹雪峰许银坡潘英杰余建鹏于敏杰
Owner BC P INC CHINA NAT PETROLEUM CORP