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The AAPG/Datapages Combined Publications Database
West Texas Geological Society
Abstract
Environment of Deposition Modeling From Rock/Log Model Approach
Abstract
This paper presents a method for prediction of environments of deposition and reservoir continuity to develop a more robust reservoir model. The method is based on identifying intervals of unique pore geometry (rock type). This approach applies high level image 
analysis
techniques of core material to quantitatively identify various pore geometries. When combined with more traditional petrophysical measurements on conventional core samples, various pore geometries (rock types) can be recognized from conventional wireline logs in non-cored wells or intervals.
Defined rock types are integrated with detailed core descriptions to statistically relate rock type to depositional environments. Maps of rock type distribution for each zone and definition of probable environments of deposition allow for modeling of the spatial distribution and orientation of these environments.
Probable continuity of each environment with adjacent environments allows for a numerical value to be applied to the degree of continuity between individual wells. These numeric values are input into the initialization of the reservoir simulation model.
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