--> ABSTRACT: Reservoir Characterisation from Seismic Attributes: An Example from Peciko Field (Indonesia), by Christian Gastaldi; #90913(2000).
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ABSTRACT: Reservoir characterisation from Previous HitseismicNext Hit attributes: an example from Peciko Field (Indonesia)

Gastaldi, Christian , TOTAL, PARIS La Defense, France

The reservoir characterization study performed over the Peciko field illustrates the substantial gain that can be provided by 3D Previous HitseismicNext Hit attributes to better describe the reservoirs and assess hydrocarbon volumes.

But the integration of Previous HitseismicNext Hit attributes with wells is not an automatic process, it should be done with care. The observed correlations between reservoir parameters and Previous HitseismicNext Hit attributes have to be thoroughly evaluated before using them:

- Does the correlation result from a sound statistical basis (sufficient number of points, regular spreading of data points…) ?

- Does the correlated Previous HitseismicNext Hit attribute show a spatial organization that fits the current geological model of the field ?

- Has the Previous HitseismicNext Hit attribute a physical meaning that can be related to the associated reservoir parameter by Previous HitseismicNext Hit modeling ?…

Only after answering positively to those questions can we integrate Previous HitseismicNext Hit attributes with wells data.

In our example, we illustrate the use of Previous HitseismicNext Hit attributes to produce Net Sand and Hydrocarbon Pore Meter maps for one reservoir unit of the field. We used Geostatistics as the tool to integrate those data of different natures and qualities which are wells and Previous HitseismicTop. Geostatistics enables also the concurrent evaluation of prediction uncertainties and provides risked volumes curves which are necessary to take sound economic decisions.

AAPG Search and Discovery Article #90913©2000 AAPG International Conference and Exhibition, Bali, Indonesia