Deep karst reservoir prediction in the Gucheng area, Tarim Basin
Wang Hailong1, Yang Wuyang1, Li Hailiang1, Yan Guoliang1, Li Quanhu2
1. Research institute of Petroleum Exploration & Development-Northwest(NWGI), PetroChina Lanzhou, Gansu 730020, China; 2. Research & Development Center, BGP Inc., CNPC, Zhuozhou, Hebei 072751, China
Abstract：Deep marine carbonate reservoirs in the Gucheng area, Tarim Basin reveals great exploration potential. But due to deeply buried targets, the karst reservoir distribution and gas bed response are unclear, which seriously impedes the exploration progress. In order to clarify the reservoir distribution, we predict dolomite reservoirs and limestone caves, and carry out hydrocarbon detection. According to our analysis, the attributes optimization and BP inversion can effectively predict dolomite reservoirs, and variance properties and 3D engraving can delineate limestone caves. Hydrocarbon detection can eliminate fault response influence. A 152km2 dolomite reservoir block and a 33.4km2 limestone cave block are predicted, which is favorable for the well deployment in the future.
王海龙, 杨午阳, 李海亮, 闫国亮, 李全虎. 塔东古城地区深层油气藏岩溶储层预测[J]. 石油地球物理勘探, 2017, 52(s2): 116-122.
Wang Hailong, Yang Wuyang, Li Hailiang, Yan Guoliang, Li Quanhu. Deep karst reservoir prediction in the Gucheng area, Tarim Basin. Oil Geophysical Prospecting, 2017, 52(s2): 116-122.
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