Post-stack Seismic Data Extraction Technology Research

This article mainly for seismic data collected, extracted and the speed of seismic profiles show that the quality of research carried out two key problems, explore solutions and the corresponding software. And the application of research results to the seismic data management and services in the area, seismic data services enhance the efficiency and quality of service.Geological researchers in related areas to do the course of the study require a large amount of seismic data processing results in the development of post-stack seismic data management and application software, the key lies in the seismic data taken from the speed and quality of the display section. In large sections of the region and collected show that, due to the different periods of the collection, processing of seismic work area, corresponding to the acquisition and processing parameters are different, therefore, the data collected and shown in profile, the need for a different work area of seismic data Interpolation operator and match splicing; post-stack data-transmission network will face bottlenecks; in the work area to take a number of cross-section of the line when the encounter and the intersection work area, work area and work area intersection problem, but also involves the question of computational geometry algorithm . This article focuses on post-stack seismic data collected in the course of the key technical problems on post-stack seismic taking in the key solution to the problem.Paper analyzed the sub-linear interpolation Lagrange, voxel-based model interpolation, spline interpolation, Kriging interpolation, three-dimensional wave field fk domain Road interpolation method of interpolation of the five principles of adaptation The scope of application to take into account the actual seismic data accuracy and speed of the request, select the appropriate algorithm for the difference.Research in the work area and more seismic data show the match, the focus of analysis of the Wiener filter based on the matching method, matching method seismic methods, combined with examples and realization of the principle set out. Data extraction methods, the analysis of SEG-Y format data files, including the 3600-byte format in the first volume, 240-byte format in the first analysis of the Trace. In order to improve the profile of the speed of extraction, and set out to achieve the post-stack SEG-Y-scan data and methods of indexing, and broken line relationship between the polygon method, polygon clipping algorithm, and other data used in the extraction of relevant computational geometry algorithm to analyze their time complexity Degrees. Analysis of the seismic data taken from the framework of selected principles of the system, described in detail the characteristics of SOA architecture and advantages.Research has achieved the following results: the development of the relations between the polygon geometric analysis algorithm library, the library can be arbitrary polygon to determine the relationship between the region, cutting each other polygon region, such as the merger; by studying seismic data interpolation algorithm to match splicing method developed Seismic profile display controls, the controls can be embedded in any freely. NET Framework running on the application, the completion of the seismic profile splicing, display, and supports a variety of seismic profiles show the way; SOA framework through research system, realized earthquake-stack design After the data services framework through which the system can be released seismic data services components in the application server, the user by sending data request, the server auto-complete data collected and distributed.Several more technical research results in the "post-stack seismic data management system" and "post-stack seismic data extraction software," such as software development process has been very good application, in which relations between the polygon geometry algorithm library applied to the analysis of the two software work area Map navigation module, seismic profiles show that the control of the two software applications in drawn section of the module so that the theoretical research and software development of organic, at the same time, the control section are drawing "the exploration decision support system" has been very good Applications, has made a very good effect and economic benefits to the study.