Study On Integrated Processing And Interpretation Of Complex Structures In Kuche Depression

The main problems of having difficulty in implementing the structure are poor quality seismic data and complex seismic field in Kuche Depression. Faced with this problem, only depending on the research of processer ,it is impossible to eliminate the ambiguity in processing and effectly recognize and suppress disturbing wave and image the effective wave without the instruction of recognition in structure and wave field.If interpreters are restricted to studying the existing seismic data and without the combination of processing to improve the quality of seismic data, it is difficult to study the structure accurately and rationally. Therefore, it is necessary to combine processing with interpretation, to instruct processing with the recognition of tectonics, to constantly optimize the processing methods, flow and parameters, to ultimately improve the imaging quality of seismic data so as to lay a solid foundation of material for the accurate implementation.by improve the recognition of interpretation through discovered problems in the course of processing and the iterative procedure with processing and interpretation.In view to these major research problems in this study, the researches are carry out in the following aspects .first of all, we study the complex seismic wave field, namely By using the features in developing the diffraction wave, rotating wave and lateral wave, wave and other fracture wave,We effectly recognize disturbing wave and effective wave in complex seismic wave field by comparing and analyzing and processing the forwarding model and the stacking and migration seicmic data.secondly, we have studied the velocity model about the structure in salt rock and the structure related to salt rock..firstly, under the guidance of the salt tectonics theory, in view of the devolopment features in the salt tectonics and salt rock in the Kuqa Depression,we build a rational the model of the tectonics in salt rock and the structure related to salt rock ,which use the partition and recognition technology in the seismic faces to accurately depict salt tectonics;secondly,the following step is to accurately calculate the speed of strata through the comprehensive analysis which makes use of the drilling speed data and seismic velocity data , and then to establish the velocity model by filling strata velocity,ultimately to provide accurate velocity model for the process in data processing. Finally, for the integration of processing and interpretation, namely on the basic of joint analysis in seismic shot and single-stack seismic gathers and stacked in early results by processer and interpreter, we can makes the static correction method, stack velocity, stack offset data, noise elimination, migration speed and other aspects research and cyclic common interpretation, processing, and constantly optimize treatment methods, processes and processing parameters, and thus effectively to improve the imaging results of the complex structure and the quality of seismic data,makes investigation of the structural interpretation in good information base. for the future...