Walker_thesis LSU - ENHANCED GAS RECOVERY USING PRESSURE...

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ENHANCED GAS RECOVERY USING PRESSURE AND DISPLACEMENT MANAGEMENT A Thesis Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Master of Science in Petroleum Engineering in The Craft and Hawkins Department of Petroleum Engineering by Thomas Walker B.S., Louisiana State University, 2002 May, 2005
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ii ACKNOWLEDGMENTS I would like to thank the Petroleum Technology Transfer Committee (PTTC) for funding my research. I would also like to express my appreciation to Dr. John McMullan, for imparting me with his guidance and years of industry experience. His assistance was an integral part of both the research and computer programming involved in this thesis. He has helped me both professionally and personally above and beyond the call of duty, and I have never had a finer teacher. Next, I would like to thank my major professor Dr. Zaki Bassiouni for always finding time for me in his busy schedule, both as the head of the Craft and Hawkins Department of Petroleum Engineering and the Dean of the LSU College of Engineering. His knowledge of the coproduction technique was an invaluable building block upon which much of my research was based. I would also like to thank the other members of my thesis committee, Dr. Christopher White and Dr. Julius Langlinais for their patience and understanding regarding last minute alterations before my defense. Between them they have taught most of my favorite petroleum engineering classes, and always managed to make the subject matter both interesting and informative. Finally, I would like to thank my fiancé Lea Guidry for being supportive during the long work hours involved in the research and writing of this thesis, and Jeremy Griggs for being a good roommate, conspirator and friend.
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iii TABLE OF CONTENTS ACKNOWLEDGMENTS. ..………………………………………………. .……………. .ii LIST OF TABLES………………………. ..………………………………. .……………. .v LIST OF FIGURES…………………. ..………………………………………. .………. ..vi ABSTRACT………………………. ..……………………………………. ..……….…. .viii 1. INTRODUCTION . ......................................................................................................... 1 2. CONVENTIONAL RECOVERY FROM GAS RESERVOIRS. ................................... 3 2.1 Recovery Optimization. ............................................................................................ 3 2.2 Recovery from Volumetric Reservoirs. .................................................................... 4 2.3 Conventional Recovery from Water-Drive Reservoirs . ........................................... 6 2.4 Enhanced Recovery Techniques for Water-Drive Reservoirs. ................................. 7 3. WATERFLOODING GAS RESERVOIRS . .................................................................. 9 3.1 Comparison of Water Injection in Gas Reservoirs to Oil Reservoirs. ...................... 9 3.2 Injection Volumes and Rates. ................................................................................. 11 3.3 Timing a Waterflood Project . ................................................................................. 13 3.4 Investigation of Waterflooding with Simulation . ................................................... 15 4. COPRODUCTION OF GAS RESERVOIRS. .............................................................. 23 4.1 Comparison to Waterflooding . ............................................................................... 23 4.2 Water Production Rates and Volumes. ................................................................... 24 4.3 Timing a Coproduction Project. .............................................................................. 25 4.4 Coproduction Simulation Study. ............................................................................. 26 5. COMPUTER MODELING OF THE PDM CONCEPT. .............................................. 32 5.1 Material Balance Model. ......................................................................................... 32 5.3 Aquifer Model. ........................................................................................................ 34 5.4 Deliverability Model. .............................................................................................. 37 5.4.1 Simplified Deliverability Model.
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This note was uploaded on 02/02/2011 for the course PETE 100 taught by Professor Eric during the Spring '11 term at University of Louisiana at Lafayette.

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Walker_thesis LSU - ENHANCED GAS RECOVERY USING PRESSURE...

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