5 results about "Seismic line" patented technology

The application discloses a kind of seismic data imaging method, device, equipment, medium and product, the method includes: for each main survey line included in the seismic data volume to be migrated, according to the information of work area and all shot-receiver information contained by main survey line, the shot-receiver coverage range corresponding to main survey line is determined and relationship reference table is established;Iterate the cyclic imaging target in imaging task, determine the input seismic line information according to its target main survey line number, migration parameter and relationship reference table;Iterate all input seismic line numbers in input seismic line number range, determine the imaging sub-result of input seismic line number according to travel time table file, input shot-receiver coverage range set and preset Kirchhoff prestack depth migration algorithm;Until the preset end condition is met, the final imaging result is determined.Travel time data is segmented by main survey line number, and travel time data is read into memory in line by line cycle, which greatly reduces the memory occupation of travel time, saves memory overhead.

The invention relates to the field of structural profile map drawing, and discloses a geological structural profile map improvement system and method based on seismic interpretation data constraint, and the method comprises the steps: preparing a geological plane base map and a seismic structural interpretation map; analyzing the position relation between the structural section and the surrounding seismic survey lines; seismic data constraint information is extracted in a classified mode according to the intersection angle of the structural section and the seismic survey lines: for the small-angle oblique crossing or parallel seismic survey lines, the number, the property and the combination relation of faults are extracted; for a large-angle oblique crossing seismic survey line, extracting stratum depth data of an intersection point by generating a virtual well; and finally, correcting fault combination and stratigraphic distribution of the structural profile map in MapGIS software by utilizing the constraint information. According to the method, through differential utilization of the seismic data, deep seismic information and surface geological data are effectively fused, the prediction depth, the accuracy and the application range of the structure profile map are remarkably improved, and the method is particularly used for deep geological structure recognition and three-dimensional geological modeling.

The application provides a pre-stack wide azimuth anisotropy inversion method, device, storage medium and equipment, the method comprises the following steps: obtaining original pre-stack wide azimuth gather; performing azimuth AVO feature correction processing on the original pre-stack wide azimuth gather to obtain target pre-stack wide azimuth gather; sequentially reading a set number of seismic line data from the target pre-stack azimuth gather data to form a current inversion array, and performing anisotropy inversion based on the current inversion array to obtain a corresponding inversion result, until all the seismic line data in the target pre-stack azimuth gather data are obtained. Through azimuth AVO feature correction processing on the original data, the quality of the gather data is effectively improved, the problems of low pre-stack azimuth data quality and large data quantity are solved, and the subsequent inversion requirements are better met; through rolling extraction of seismic data to form a specific inversion array for step-by-step inversion, the calculation efficiency and stability of the inversion are improved.

The utility model relates to the technical field of wire harness distinguishers, and discloses a multi-channel earthquake wire harness distinguisher, which solves the problems that a plurality of wire harnesses are easy to slip and fall off and the use effect of the multi-channel earthquake wire harness distinguisher is poor because the existing multi-channel earthquake wire harness distinguisher cannot be used for synchronously and well fixing the multi-channel wire harnesses, and comprises a distinguisher main body, a plurality of placing grooves are formed in the distinguishing device main body, a moving disc is arranged above the distinguishing device main body, wire holes corresponding to the placing grooves in number are formed in the surface of the moving disc, a plurality of wire harness bodies are mounted in the placing grooves, and the moving disc sleeves the surfaces of the plurality of wire harness bodies through the plurality of placing grooves; two extrusion nozzles are symmetrically and fixedly mounted on the lower side of the movable disc and located at the lower parts of the plurality of wire holes; the extrusion nozzles are made of a rubber material with certain hardness; according to the multi-channel seismic wire harness discriminator, a plurality of wire harnesses cannot be synchronously and well fixed, the plurality of wire harnesses are prevented from slipping and falling off, and the multi-channel seismic wire harness discriminator has a very good use effect.

This invention provides a method for handling jump points in seismic horizon interpretation, comprising: Step 1, inputting seismic horizon interpretation data for any seismic line, detecting faults and segmenting the data to generate each cluster of seismic horizon interpretation data; Step 2, for each cluster of segmented seismic horizon interpretation data obtained in Step 1, detecting interpretation jump points; Step 3, for any jump point detected in Step 2, establishing a multinomial regression model using the data points after removing the jump point, and recalculating the value at the jump point using this model to replace the original jump point value; Step 4, visualizing the corrected horizon data obtained in Steps 2 and 3 with the original data in the form of a line graph, and comparing and evaluating the satisfaction with the jump point handling effect. This method for handling jump points in seismic horizon interpretation solves the problems of detecting, removing, and reassigning outliers in seismic horizon interpretation data, improves the quality of seismic interpretation data, and thus improves the accuracy of geological mapping.