A production type-curve solution for coalbed methane reservoirs

Prob Thararoop; Zuleima T. Karpyn; Turgay Ertekin

doi:10.1016/j.juogr.2014.12.001

A production type-curve solution for coalbed methane reservoirs

Prob Thararoop
, Zuleima T. Karpyn
, Turgay Ertekin

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

A production type-curve solution for coalbed methane reservoirs is presented in this paper. The proposed production type curves were generated in terms of dimensionless production rate and dimensionless time groups that are based on the diffusivity equations of the two-phase flow in dual-porosity, dual-permeability coalbed methane reservoirs. The dual-porosity, dual-permeability reservoir simulation model is used as a tool in constructing the production type curves with constant sandface pressure specifications at the inner boundary. Sensitivity analyses are performed to investigate the capability of the proposed production type curves. Several sets of type-curve matching exercises are successfully performed to predict reservoir properties on different systems exhibiting a variety of reservoir and fluid properties. The proposed production type curves can be used to estimate reservoir properties including fracture permeability, fracture porosity, matrix porosity and water saturations in the fracture and matrix systems.

Original language	English (US)
Pages (from-to)	136-152
Number of pages	17
Journal	Journal of Unconventional Oil and Gas Resources
Volume	9
DOIs	https://doi.org/10.1016/j.juogr.2014.12.001
State	Published - Mar 1 2015

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology

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10.1016/j.juogr.2014.12.001

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title = "A production type-curve solution for coalbed methane reservoirs",

abstract = "A production type-curve solution for coalbed methane reservoirs is presented in this paper. The proposed production type curves were generated in terms of dimensionless production rate and dimensionless time groups that are based on the diffusivity equations of the two-phase flow in dual-porosity, dual-permeability coalbed methane reservoirs. The dual-porosity, dual-permeability reservoir simulation model is used as a tool in constructing the production type curves with constant sandface pressure specifications at the inner boundary. Sensitivity analyses are performed to investigate the capability of the proposed production type curves. Several sets of type-curve matching exercises are successfully performed to predict reservoir properties on different systems exhibiting a variety of reservoir and fluid properties. The proposed production type curves can be used to estimate reservoir properties including fracture permeability, fracture porosity, matrix porosity and water saturations in the fracture and matrix systems.",

author = "Prob Thararoop and Karpyn, \{Zuleima T.\} and Turgay Ertekin",

note = "Funding Information: Zuleima Karpyn is an Associate Professor of Petroleum and Natural Gas Engineering in the John and Willie Leone Family Department of Energy and Mineral Engineering, and Quentin E. and Louise L. Wood Endowed Faculty Fellow in Petroleum and Natural Gas Engineering at The Pennsylvania State University. She holds a BS in Chemical Engineering from Universidad Central de Venezuela, and MS and PhD in Petroleum and Natural Gas Engineering from The Pennsylvania State University. She specialises on multiphase transport phenomena in porous media, fractured reservoirs, and X-ray CT imaging of geomaterials. She is the Director of the Penn State Center for Quantitative Imaging, and a recipient of the 2008 Faculty Early Career Development (CAREER) Award granted by the National Science Foundation. Publisher Copyright: {\textcopyright} 2014 Published by Elsevier Ltd.",

year = "2015",

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doi = "10.1016/j.juogr.2014.12.001",

language = "English (US)",

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AU - Karpyn, Zuleima T.

AU - Ertekin, Turgay

N1 - Funding Information: Zuleima Karpyn is an Associate Professor of Petroleum and Natural Gas Engineering in the John and Willie Leone Family Department of Energy and Mineral Engineering, and Quentin E. and Louise L. Wood Endowed Faculty Fellow in Petroleum and Natural Gas Engineering at The Pennsylvania State University. She holds a BS in Chemical Engineering from Universidad Central de Venezuela, and MS and PhD in Petroleum and Natural Gas Engineering from The Pennsylvania State University. She specialises on multiphase transport phenomena in porous media, fractured reservoirs, and X-ray CT imaging of geomaterials. She is the Director of the Penn State Center for Quantitative Imaging, and a recipient of the 2008 Faculty Early Career Development (CAREER) Award granted by the National Science Foundation. Publisher Copyright: © 2014 Published by Elsevier Ltd.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - A production type-curve solution for coalbed methane reservoirs is presented in this paper. The proposed production type curves were generated in terms of dimensionless production rate and dimensionless time groups that are based on the diffusivity equations of the two-phase flow in dual-porosity, dual-permeability coalbed methane reservoirs. The dual-porosity, dual-permeability reservoir simulation model is used as a tool in constructing the production type curves with constant sandface pressure specifications at the inner boundary. Sensitivity analyses are performed to investigate the capability of the proposed production type curves. Several sets of type-curve matching exercises are successfully performed to predict reservoir properties on different systems exhibiting a variety of reservoir and fluid properties. The proposed production type curves can be used to estimate reservoir properties including fracture permeability, fracture porosity, matrix porosity and water saturations in the fracture and matrix systems.

AB - A production type-curve solution for coalbed methane reservoirs is presented in this paper. The proposed production type curves were generated in terms of dimensionless production rate and dimensionless time groups that are based on the diffusivity equations of the two-phase flow in dual-porosity, dual-permeability coalbed methane reservoirs. The dual-porosity, dual-permeability reservoir simulation model is used as a tool in constructing the production type curves with constant sandface pressure specifications at the inner boundary. Sensitivity analyses are performed to investigate the capability of the proposed production type curves. Several sets of type-curve matching exercises are successfully performed to predict reservoir properties on different systems exhibiting a variety of reservoir and fluid properties. The proposed production type curves can be used to estimate reservoir properties including fracture permeability, fracture porosity, matrix porosity and water saturations in the fracture and matrix systems.

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JO - Journal of Unconventional Oil and Gas Resources

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ER -

A production type-curve solution for coalbed methane reservoirs

Abstract

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