Abstract
ABSTRACT The Strathspey field in block 3/4a in the UK sector of the North Sea is comprised of two reservoirs. The lower is called The Statfjord reservoir and contains gas condensate, undertain by an oil rim. In order to predict the likely production from this reservoir a compositional reservoir simulation was performed. To perform this simulation, trapped and critical oil and gas saturations for both the gas condensate and oil rim regions had to be defined. The relatively small amount of published data, and lack of critical saturation data from the Statfjord SCAL data, resulted in the decision to design a series of floods to determine these parameters using reservoir core and fluids at reservoir conditions The flood sequences were also designed to mimic the depletion processes that were expected to occur in the field. The apparatus and experimental procedures used, together with the results obtained, are reported in this paper. Furthermore these results are compared with the published data and the effect on the final simulation results is also reported
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