Reservoir Quality Assessment and Prediction in Clastic Rocks
This course is designed to emphasize the following topics: (1) Historical perspective on previous and current empirical, and geochemical methods of reservoir quality prediction; (2) Overview of diagenetic processes which significantly impact reservoir quality and those factors which act as major controls on those processes; (3) Proper design of a comprehensive or limited-focus predictive analysis of reservoir quality; (4) Methodologies for the accurate measurement of all major dependent and independent variables; (5) Data analysis techniques involved in quality control and the assessment of variability prior to performing multivariate regression; (6) Steps involved in the generation of a multivariate regression to insure that the model developed provides maximum accuracy using a minimum number of independent variables; (7) Case histories from a variety of settings illustrating application of the recommended approach to reservoir quality prediction.
Influence of Depositional Environment on Reservoir Quality Prediction
Published:January 01, 1994
Salman Bloch, J. H. McGowen, 1994. "Influence of Depositional Environment on Reservoir Quality Prediction", Reservoir Quality Assessment and Prediction in Clastic Rocks, Michael D. Wilson
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Most reservoir properties, ranging in scale from megascopic to microscopic, can be ultimately traced to environmental variations within deposi-tional systems. Each depositional environment produces sand bodies which display a certain size and shape, and which exhibit a characteristic range in mineral composition, sedimentary structures, and textures. Following deposition, diagenetic processes affecting reservoir quality of siliciclastic rocks normally proceed along different paths that are directly or indirectly related to environmentally-controlled differences in composition and physical characteristics (Figure 4-1).
The effect of depositional facies on reservoir quality in siliciclastics is, obviously, most pronounced in relatively shallow reservoirs. In such rocks, reservoir...