Predrilling reservoir quality prediction of Well Jin 310 in Liaohe Depression of Bohai Bay Basin
Cheng Zhongping1,2, Meng Yuanlin3, Wang Yuechuan4, Wang Jian2, Wei Wei3, Niu Jiayu5, Sun Hongbin2, Gao Jianjun2, Xiao Lihua3
1 Institute of Geology and Geophysics，Chinese Academy of Sciences，Beijing100029 2 Petroleum Exploitation Bureau， PetroChina Liaohe Oilfield Company，Panjin124010，Liaoning 3 School of Geosciences，Northeast Petroleum University， Daqing163318， Heilongjiang 4 China National Offshore Oil fitld Corporation Limited-Tianjin.， Tanggu300452，Tianjin 5 Research Institute of Petroleum Exploration & Development，PetroChina，Beijing100083
Abstract：In order to predict the reservoir quality of Well Jin 310 in Jin 1 well block of Liaohe Depression of Bohai Bay Basin before drilling，the diagenetic stages of the Member 2 of Paleogene Shahejie Formation were predicted by diagenetic modeling，and the reservoir porosity of the Member 2 of Shahejie Formation was predicted after the porosity prediction model was established considering the integrated effects of sedimentary facies and diagenesis on the porosity of reservoirs.As the results show，secondary pore was well developed in the reservoir located in the middle diagenetic stage A of the Member 2 of Shahejie Formation，and the absolute error between predicted porosity and measured porosity is only 1.33％ in the reservoir with the content of filling materials of 16.13％. Therefore，the method of predrilling reservoir quality prediction considering integrated effects of sedimentary facies and diagenesis on reservoir quality could be applied to the exploration deployment of pre-exploration wells.
Cheng Zhongping,Meng Yuanlin,Wang Yuechuan et al. Predrilling reservoir quality prediction of Well Jin 310 in Liaohe Depression of Bohai Bay Basin[J]. JOPC, 2011, 13(5): 509-516.
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