Abstract:Based on the latest seismic, logging and reservoir reserve data, through hydrocarbon accumulation elements analysis, the play of Putomayo-Oriente-Maranon (POM) basin, South America is divided. The POM basin was divided into 9 plays, and the undiscovered petroleum resources of these plays are estimated as 11.0×108t by using subjective probability method and scale sequential method; and the total undiscovered petroleum resources of the Hollin sandstone play, Napo T member sandstone play, Napo U member sandstone play and Napo M1 member sandstone play are 10.4×108t (accounting for 94% of the whole basin). Based on hydrocarbon accumulation factors analysis, including source rock, reservoir, trap, migration, seal and preservation, the plays have been evaluated and ranked by using double factors method of resources-geological risks, including four class I plays, two class II and three class III plays. Favorable exploration areas have been optimized by using "plays area overlaying" method: the central part of the basin is the class I favorable area.
马中振, 陈和平, 谢寅符, 张志伟, 刘亚明, 阳孝法, 周玉冰, 王丹丹. 南美Putomayo-Oriente-Maranon盆地成藏组合划分与资源潜力评价[J]. 石油勘探与开发, 2017, 44(2): 225-234.
MA Zhongzhen, CHEN Heping, XIE Yinfu, ZHANG Zhiwei, LIU Yaming, YANG Xiaofa, ZHOU Yubing, WANG Dandan. Division and resources evaluation of hydrocarbon plays in Putomayo-Oriente-Maranon Basin, South America. Petroleum Exploration and Development, 2017, 44(2): 225-234.
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