Quantification of braided river-delta sand body based on seismic sedimentology: an example of the Block MPE-3 in Venezuela
LIU Shuting1, ZHANG Xianguo1, REN Lihua1, LIN Chengyan1, LIN Fang1, HUANG Wensong2
1. School of Geosciences, China University of Petroleum(East China), Qingdao, Shandong 266580, China; 2. Research Institute of Petroleum Exploration & Development, CNPC, Beijing 100083, China
Abstract：This paper presents a research of braided river-delta reservoir in the Bock MPE-3,Venezuela.Based on vertical- and horizontal-well and 3D seismic data,a sequence stratigraphic framework in the study area is constructed with the seismic sequence boundary,90°-phase transformation,and stratal slices,and 6 fourth-order sequences are identified within the third-order sequence.Using the seismic sedimentology approach such as lateral high-resolution horizontal well data to calibrate stratal slices,fine-grained inter-beds formed by gullies in sand bodies are identified,which effectively improves the slice interpretation accuracy.The paper summarizes quantitative characteristics of sediments such as channel bars with the joint use of well and seismic data,establishes quantitative relationships among channel bar length and width,braided channel width,and gully width,which may provides a solid foundation for the future development.
刘书亭, 张宪国, 任丽华, 林承焰, 林芳, 黄文松. 利用地震沉积学定量刻画辫状河三角洲砂体——以委内瑞拉MPE-3区块为例[J]. 石油地球物理勘探, 2019, 54(6): 1348-1356.
LIU Shuting, ZHANG Xianguo, REN Lihua, LIN Chengyan, LIN Fang, HUANG Wensong. Quantification of braided river-delta sand body based on seismic sedimentology: an example of the Block MPE-3 in Venezuela. Oil Geophysical Prospecting, 2019, 54(6): 1348-1356.
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