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Carbonate Reservoir HeterogeneityReservoir Heterogeneity: An Introduction

Carbonate Reservoir Heterogeneity: Reservoir Heterogeneity: An Introduction [The ultimate goal of reservoir studies is predicting the properties and their controlling factors in a reservoir body based on limited data mainly from boreholes. Reservoir heterogeneity means variations of reservoir properties in space and time, and so this concept is the most important factor in reservoir studies. Despite such importance, relatively few works have been focused or documented different aspects of this subject. Evaluating heterogeneity is more complicated in carbonates which have diverse facies and are more prone to diagenetic processes. Textures and allochems vary considerably at small scales of carbonate reservoirs. Different facies are deposited in various depositional environments. They also change in response to sea-level changes and climate conditions. These building blocks integrate to create various facies belts and geometries of the depositional settings. These geometries are used for propagation of reservoir properties in field scale. Diagenetic processes modify these properties. They follow the primary textural characteristics in many cases, especially in early diagenesis. Anyway, many late diagenetic processes, such as fractures, crosscut the primary facies as well as other diagenetic features. While facies variations create heterogeneity at larger scales, diagenesis is responsible for changes at smaller scales.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Carbonate Reservoir HeterogeneityReservoir Heterogeneity: An Introduction

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References (34)

Publisher
Springer International Publishing
Copyright
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2020
ISBN
978-3-030-34772-7
Pages
1 –16
DOI
10.1007/978-3-030-34773-4_1
Publisher site
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Abstract

[The ultimate goal of reservoir studies is predicting the properties and their controlling factors in a reservoir body based on limited data mainly from boreholes. Reservoir heterogeneity means variations of reservoir properties in space and time, and so this concept is the most important factor in reservoir studies. Despite such importance, relatively few works have been focused or documented different aspects of this subject. Evaluating heterogeneity is more complicated in carbonates which have diverse facies and are more prone to diagenetic processes. Textures and allochems vary considerably at small scales of carbonate reservoirs. Different facies are deposited in various depositional environments. They also change in response to sea-level changes and climate conditions. These building blocks integrate to create various facies belts and geometries of the depositional settings. These geometries are used for propagation of reservoir properties in field scale. Diagenetic processes modify these properties. They follow the primary textural characteristics in many cases, especially in early diagenesis. Anyway, many late diagenetic processes, such as fractures, crosscut the primary facies as well as other diagenetic features. While facies variations create heterogeneity at larger scales, diagenesis is responsible for changes at smaller scales.]

Published: Nov 12, 2019

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