--> Abstract: The Miocene Tide-Dominated Delta of Talang Akar Formation in Kenanga Area, Prabumulih, South Sumatra, Indonesia, by E. Wirasoetisna, R. Eko, and Y. Bob; #90942 (1997).

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Abstract: The Miocene Tide-Dominated Delta of Talang Akar Formation in Kenanga Area, Prabumulih, South Sumatra, Indonesia

WIRASOETISNA EDDY, RUKMONO EKO, and YULIAN BOB

The Early Miocene tide-dominated delta provides new insight into the stratigraphic trapping mechanism of Talang Akar Formation in Limau Graben of Kenanga Area, Prabumulih, South Sumatra, Indonesia.

Detail palynomorph, foraminifera, core, ditch cutting, log characteristic, and dipmeter analyses of the exploration well identified 9 delta cycles. Cycles 1,3, and 4 deposited in the point bar system of tidal delta plain, cycles 2,5 and 6 in the tidal bar of tidal delta front, while cycles 7,8, and 9 deposited in more distal environment, possibly prodelta.

By using these depositional environtments combined with seismic data and seismic modeling, one is able to model each delta lobe movement and to define the source of sediment that originated from Raja Nose located to the west-northwest of the study area. The sandstone reservoir of Early Miocene tide-dominated delta in Talang Akar Formation varies in geometry; some sandstone bodies are interconnected, and, on the other hand, some sandstone bodies are isolated.

Drilling with the right concept on a right spot produced a successfull exploration well, with total production test of 2200 BOPD and 15 MMCFGPD.

AAPG Search and Discovery Article #90942©1997 AAPG International Conference and Exhibition, Vienna, Austria