--> Abstract: Data Integration to Optimize Reservoir Characterization—an Example from the Far East: Malampaya Mid-Tertiary Carbonate Build-Up, by Wenche H. Asyee, Georg Warrlich, Maria Boya-Ferrero, Jan-Henk Van Konijnenburg, and Phil Cassidy; #90039 (2005)

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Data Integration to Optimize Reservoir Characterization—an Example from the Far East: Malampaya Mid-Tertiary Carbonate Build-Up

Wenche H. Asyee1, Georg Warrlich1, Maria Boya-Ferrero1, Jan-Henk Van Konijnenburg2, and Phil Cassidy1
1 Shell International E&P, 2280 AB Rijswijk, Netherlands
2 Sarawak Shell Bhd,

The Malampaya Mid Tertiary Carbonate build up is located offshore the Philippines in the Pacific Ocean in deep water (850 meters +). Malampaya-1 well was drilled in 1991 and discovered a gas column of 650 meters and an uncertain oil rim.

The aim of the asset study, performed by the Shell Carbonate Development team in Rijswijk (the Netherlands), was to produce reservoir models with a thorough quantification of uncertainty to guide the phase II drilling campaign.

This poster tries to emphasize the importance investigating all types of new and all data by performing small “sub” studies before static model generation. The multi-disciplinary team worked on: seismic sparse spike inversion, time to depth conversion, stratigraphic forward modeling, diagenesis, fracture characterization and thorough petrophysical research to define (the number of) reservoir rock types. The prominent subject of this poster is the integration of seismic sparse spike inversion, geological correlation and definition of reservoir rock types.

It is essential that these partly stand-alone studies be integrated to result in a better geological understanding and subsequently in an optimized static and dynamic reservoir model.

AAPG Search and Discovery Article #90039©2005 AAPG Calgary, Alberta, June 16-19, 2005