Coal and Coalbed Gas

Coal and Coalbed Gas

Fueling the Future

1st Edition - October 19, 2013

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  • Author: Romeo Flores
  • eBook ISBN: 9780123972811
  • Hardcover ISBN: 9780123969729

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Bridging the gap in expertise between coal and coalbed gas, subfields in which opportunities for cross training have been nonexistent, Coal and Coalbed Gas sets the standard for publishing in these areas. This book treats coal and coalbed gas as mutually inclusive commodities in terms of their interrelated origin, accumulation, composition, distribution, generation, and development, providing a balanced understanding of this energy mix. Currently considered a non-renewable energy resource, coalbed gas, or coalbed methane, is a form of natural gas extracted from coal beds. In recent years, countries have begun to seek and exploit coal for its clean gas energy in an effort to alleviate environmental issues that come with coal use, making a book on this topic particularly timely. This volume takes into account processes of coalification, gasification, and storage and reservoir characterization and evaluation and looks at water management and environmental impacts as well.

Key Features

  • Covers environmental issues in the development of coalbed gas
  • Includes case studies, field guides and data, examples, and analytical procedures from previous studies and investigations
  • Accessible by a large multidisciplinary market by one of the world's foremost experts on the topic


Geologists, exploration geologists, geophysicists, reservoir engineers, petroleum engineers, biogeochemists, environmental scientists, microbiologists, resource economists, water management specialists, hydrologists, land managers, ecologists, and policy makers and government manager in natural gas/petroleum and mining

Table of Contents

  • Author’s Biography

    Romeo M. Flores



    SI/Metric Units

    Chapter 1. Introduction and Principles


    Key Items


    Philosophical Overview and Scope

    Learning Metaphors

    Definitions and Terminologies

    Basic Principles

    Global Coal Endowment

    From Past to Future Coal Production

    Coal Use in a Carbon-Constrained World


    Chapter 2. Coal as Multiple Sources of Energy


    Key Items

    Overview of Resources

    Coal as Resource of Coalbed Gas

    Coal Resources vs Gas Production Potential

    Coal Mining Development and Gas Outbursts

    Gas Outbursts vs Coal Development

    Global Exploitation and Utilization of CMM and AMM

    Petroleum Derived from Coal

    Coal Hydrocarbons as Petroleum Systems


    Chapter 3. Origin of Coal as Gas Source and Reservoir Rocks


    Key Items

    Coal as Source and Reservoir of Coalbed Gas

    Genesis of Peat to Coal: Concepts

    Peat-Forming Environments

    Types of Peatlands

    Controls on Development of Peatlands

    Evolution of Peatlands

    Marsh to Bog Progression

    Metaphors for Peatlands

    Peat Types: Fibric, Hemic, and Sapric

    Processes of Peatification, Gasification, and Diagenesis

    Origin of Peat Gas: A Biogenic Generation

    Depositional Systems of Peat (Coal)

    Transformation of Peat to Coal: Differences in Concept and Time

    Analogs of Economic Coal and Coalbed Gas Reservoir

    Attributes of Peat Bog Relevant to Coal

    Rates of Vertical Peat (Coal) Accumulation

    Transformation of Peat Bogs to Coalbed Gas Reservoirs

    Scaling Peat Facies to Reservoir Level


    Chapter 4. Coalification, Gasification, and Gas Storage


    Key Items

    Transformation of Peat to Coal

    Bituminization, Debituminization, and Graphitization of Organic Matter (Metamorphism)

    Influence of Coalification on Gas Reservoir Properties

    Coal Rank Classification System

    Effects of Maturation on Coal Properties

    Role of Vitrinite Reflectance

    Types of Gas Generation during and Post Coalification (Maturation)

    Gas Sorption, Storage, and Diffusion

    Role of Hydrostatic Pressure in Gas Desorption


    Chapter 5. Coal Composition and Reservoir Characterization


    Key Items


    Coal Composition

    Variations and Values of Microlithotypes in Coalbed Gas Reservoirs

    Relationship of Permeability and Porosity in Coal

    Reservoir Characterization

    Insights of Reservoir Characterization of Gas Plays in the Powder River Basin


    Chapter 6. Resource Evaluation Methodologies


    Key Points

    The Methodology Conundrum

    Coal Resources vs Gas Resources

    Universal Guidelines to Coal Resources Assessment

    Coal Resource Assessment Methodology

    Data Collection

    Coalbed Gas Resource and Reserve Assessments

    Assessment of Coalbed Gas as a Petroleum System

    Methodologies: Room for Improvement


    Chapter 7. Coalbed Gas Production


    Key Items


    Drilling Technology

    Well Completion

    Role of Coal Geology in Completion Strategy

    Reservoir Stimulation

    Coal Reservoir Characterization vs Well Completion and Stimulation

    Wireline Logging Tools

    Basic Logging Tools

    Virtues of Hi-Tech Logging Tools

    Toward Coalbed Gas Development

    Gas Gathering Systems

    Fueling the Future with Coalbed Gas


    Chapter 8. Co-Produced Water Management and Environmental Impacts


    Key Items


    Co-Produced Water

    Origin of Co-Produced Water

    Isotopic Signatures of Co-Produced Water

    Volume and Composition of Co-Produced Water

    Composition of Water

    Environmental Impacts and Concerns on Co-Produced Water Disposal

    Beneficial Uses of Co-Produced Water

    Managing Australian Co-Produced Water


    Chapter 9. Worldwide Coalbed Gas Development


    Key Items


    Global Gas Supply and Demand

    Role of World's Coal to Coalbed Gas Exploitation

    Global Coalbed Gas Regions: OECD vs NOCED

    United States



    United Kingdom





    Other Potential Tertiary Coal Basins


    Chapter 10. Coal and Coalbed Gas: Outlook


    Key Items


    Historical Perspectives on Natural Gas and Associated Biogenic Gas

    Biogenic Natural Gas

    Biogenic Coalbed Gas

    Future Sustainability of Coalbed Gas

    Future Challenges of Coal to Biogenic Gas

    Coal Outlook

    Coalmine Gas Outlook


    Science of Coal and Coalbed Gas

    Technology of Coal and Coalbed Gas



Product details

  • No. of pages: 720
  • Language: English
  • Copyright: © Elsevier Science 2013
  • Published: October 19, 2013
  • Imprint: Elsevier Science
  • eBook ISBN: 9780123972811
  • Hardcover ISBN: 9780123969729

About the Author

Romeo Flores

Romeo Flores

Dr. Romeo M. Flores is a consulting geologist and conducts assessments, workshops/lectures, and field trips on coal and coalbed gas for energy companies and scientific organizations. He is an Associate with Cipher Coal Consulting, consulting, advising, lecturing, and training personnel/staff of clients on assessments of coal and coalbed gas. Expert member of Science Advisory Board/Technical Consultant with Next Fuel Inc. advising and providing expertise on coal and biogenic gas in projects on sustaining gas production in low rank coals worldwide. Scientist with AECOM Technical Services Inc. advising AECOM/BLM on hydrostratigraphic modeling of groundwater using coalbed gas wells in the Powder River Basin, Wyoming. Consultant with Mitchell (Beijing) Energy Technology Services Ltd Co. (China) on shale gas. He has advised and conducted workshops on coal reservoirs as well as conducted field trips in the Powder River Basin for the CBM Group of Anadarko Petroleum Corporation (Denver, Colorado). Carried out lectures and advised on shale gas for Chongqing Energy Group (China). Consulted and conducted lectures/workshops on coal, coalbed gas, and biogenic gas for Shanxi Lanyan Coalbed Methane Group Co., Ltd (China). Trained/lectured on coal and coalbed gas for the staff of Ephindo CBM Energy (Indonesia).

Dr. Flores is a retired Research Scientist of the United States Geological Survey (USGS) where he assessed and investigated coal and coalbed methane resources in the United States from 1975 to 2010. He was project chief and group leader managing estimation of coal and coalbed methane reserves in the conterminous U.S. and Alaska coal basins. He worked with State Geological Surveys, Federal Agencies, and coal mining and coalbed methane companies to implement the USGS National Coal, Oil, and Gas Assessments Programs.

Dr. Flores managed Technical Assistance projects on coal and coalbed methane in Belgium, Brazil, Colombia, Chile, China, Indonesia, New Zealand, Philippines, and South Africa. He advised and trained staff of foreign government and non-governmental agencies to explore, develop, and commercialize coal and coalbed methane.

Dr. Flores authored over 500 publications in national and international scientific journals, edited 15 special journal volumes, and presented over 250 talks at national and international scientific conferences. He graduated BS from University of the Philippines, MS from Tulsa University, and PhD from Louisiana State University. He is a recipient of the U.S. Department of Interior Meritorious Service Award and Distinguished Service Award, Geological Society of America Gilbert Cady Goal Geology Award, University of the Philippines Distinguished Alumni in Geology Award, and a Erskine Fellow of the University of Canterbury, New Zealand. He is a member of the Editorial Board of the International Journal of Coal Geology for two decades.

Affiliations and Expertise

Cipher Coal Consulting, Christchurch, New Zealand; Next Fuel Inc., Fort Collins, CO, USA; and AECOM Technical Services Inc., Fort Collins, CO, USA

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