Yanchang Gas Field Yaojiapo Area Shihezi8and Shanxizu1Gas Accumulation Model Research

This paper studies the research results of predecessors, combining with the research statusof sedimentology. Based on the existing exploration data and applied the basic principles andmethods of sedimentology studies, YanChang Gas Field was researched in the northeastern ofOrdos Basin, combined with structural geology, geophysics, geochemistry, oil and gas basinanalysis principles, principles and methods of stratigraphy, reservoir geology, and others, byoutcrop, drilling, logging, comprehensive logging information, etc...YanChang field slope area of Ordos region has become the focus of the exploration areanatural gas reservoirs in the region. The YaoJiaPe is mainly a deltaic depositional environment,and throughout there are underwater distributary channel and tributaries deposition. Has beenproven, the main Gas-bearing layer of the Permian Shanxi Formation, through the study found,especially in the Permian Shanxi Formation and the layer of Xiahezi formation,Xiahezi8. Bystratigraphic division of the study area, structural characteristics analysis, a segment of ShanxiFormation sandstone Xiahezi8of distribution And provenance analysis, analysis of reservoircap rock characteristics of the study area, the main source rocks, gas accumulation SpecialAnalysis levy and main factors for the purpose of layers of the study area study variousaspects of natural gas reservoirs, as The next exploration work provides some theoretical basisfor improving the evaluation of oil and gas reservoir has some significance.