Optimistic And Effective Reservoir Bottoms- An Example From Karaha-Telaga-Bodas, Indonesia

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Conference Paper: Optimistic And Effective Reservoir Bottoms- An Example From Karaha-Telaga-Bodas, Indonesia

Abstract
The depth to the brittlefductile boundary, calculated normal stresses on fractures and the estimated compressional strength of the wall rocks have been integrated to determine the base of the fractured reservoir in the Karaha-Telaga-Bodas geothermal field, Indonesia. The brittle/ductile boundary deepens from a depth of 1.5 km in the south to -3 km in the north. It is a sharp transition located near the top of the intrusion beneath the field. This boundary is considered the 'optimistic' base of the fractured reservoir. In contrast, the 'effective' reservoir base is controlled by the interplay of fracture orientation, stresses resolved on the fracture walls and the compressional strength of the wall rock. If the normal stress is larger than compressional strength, fractures will be effectively closed. If the normal stress is smaller than compressional strength, fractures will be open. The 'effective' reservoir base is a relatively broad boundary that can overlap the 'optimistic' reservoir base or be located above it.

Authors 
Michal NemCok, Brad Murray, Chelsea Christensen, R. Allis, J. N. Moore and Benjamin Welkerl








Published 
GRC, 2003





DOI 
Not Provided
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Citation

Michal NemCok,Brad Murray,Chelsea Christensen,R. Allis,J. N. Moore,Benjamin Welkerl. 2003. Optimistic And Effective Reservoir Bottoms- An Example From Karaha-Telaga-Bodas, Indonesia. In: (!) ; (!) ; (!) . (!) : GRC; p. (!)