[First Hit]

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Saudi Aramco, Dhahran, Saudi Arabia, 31311

Abstract: Constraining Previous HitPermeabilityNext Hit Field to Engineering Data: An Innovative Approach in Reservoir Characterization

Reservoir characterization can yield major improvements in reservoir management and hence in reservoir forecasting. The use of engineering data in reservoir characterization has become increasingly important particularly when it comes to Previous HitpermeabilityNext Hit modeling. This paper presents a new technique in integrating engineering data such as pressure buildup tests and flow meter surveys in conditioning core Previous HitpermeabilityNext Hit data to capture high flow zones in stratified reservoirs.

Flow meter is used to allocate total Previous HitpermeabilityNext Hit from pressure buildup tests to produce a Previous HitpermeabilityNext Hit log that has the same vertical resolution as the flow meter. Series of cross validations are performed between core Previous HitpermeabilityNext Hit and Previous HitpermeabilityNext Hit derived from engineering data. These validations include statistical comparison between the two sources of Previous HitpermeabilityNext Hit for each facies. Comparison of porosity relationship with both sources of Previous HitpermeabilityNext Hit is also done. Once the cross validation phase is fulfilled then an integration stage is performed. Previous HitPermeabilityNext Hit from engineering data is used to sample the cumulative density function of core Previous HitpermeabilityNext Hit cloud transform.

Finally, the spatial correlation of Previous HitpermeabilityNext Hit is obtained from the radial diameter of the pressure buildup test to construct a Previous HitpermeabilityNext Hit model. This model is then compared with conventionally built Previous HitpermeabilityTop model. In a case study, model conditioned to engineering data shows better results of capturing the high flow zones in a case study for a highly stratified Saudi Arabian reservoir.

AAPG Search and Discovery Article #90921©1999 AAPG Mid-Continent Section Meeting, Wichita, Kansas