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《Marine Geology Frontiers》 2018-02
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ZHANG Ming;LIU Huaishan;XIN Lei;LI Jingtao;Key Laboratory of Submarine Geosciences and Prospecting Techniques,Ministry of Education,Ocean University of China;Laboratory for Marine Mineral Resources,Qingdao National Laboratory for Marine Science and Technology;Geophysical Prospecting and Surveying Team of Shandong Coal Geological Bureau;  
The Qinshui Basin of Shanxi province,a residual coal-rich basin,is the largest coal-bed gas fields in China.The Changping Mine,located in the southern part of the Basin,is a favorable area for coal-bed gas accumulation due to structural causes.A structural map of the area is compiled by calibration of wave speed and fine interpretation of horizons,faults,collapse columns and folds on the basis of a 3-D offset data volume.Comparison suggests that the strike and the buried depth of coal measure strata of the 3-D structural description are basically consistent with the 2-D description.In addition,some small folds along the strike are observed in 3-D structural description,and 19 new faults and 24 new collapse columns are discovered.A fault in the northeastern part of the 2-D structural description and a collapse column at the northeast border are found inconsistent with the 3-D structural description.Through the performance mentioned above,a more accurate interpretation of the coal seams is proposed.The accuracy of the 3-D fine structure interpretation is further verified by logging data.and the 3-D structural description fits better the actual situation.
【Fund】: 国家自然科学基金(41176077 41230318);; 国家高技术研究发展计划(863计划)(2013AA092501)
【CateGory Index】: P618.13
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