Schlumberger

Technical Paper: Reservoir Architecture Characterization from Integration of Fluid Property Distributions with Other Logs

Society: SPE
Paper Number: 124365
Presentation Date: 2009
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Abstract

Characterizing reservoir architecture and fluid property distributions at the early exploration and appraisal stage is critical for reservoir assessment, planning, and management. Particularly for thinly laminated reservoirs, identification of hydrocarbon-bearing zones and determination of the flow unit sizes have profound impact on long-term production predictions.

A case study demonstrates that downhole fluid analysis (DFA) integration of reservoir fluid property distribution with other logs leads to accurate reservoir understanding. In this method, DFA is used to identify key production parameters of reservoir fluids in real time and at downhole conditions. DFA results are combined with other logs to develop a view of reservoir architecture, pinpointing thin pay zones with low resistivity that could be seen as wet by openhole logs.