SPE Middle East Unconventional Gas Conference and Exhibition 2011 (UGAS)

Muscat, Oman 31 January – 2 February 2011

ISBN: 978-1-61782-359-6

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TABLE OF CONTENTS Advancing Reservoir Simulation Capabilities for Tight Gas Reservoirs Yafes Abacioglu, SPE, and Herbert M. Sebastian, SPE, BP America Inc., and Jubril B. Oluwa, SPE, BP Canada Energy Company 

Application of Artificial Intelligent Systems in ROP Optimization: A Case Study in Shadegan Oil Field M. Bataee, S. Mohseni, Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran

One Well Evaluation in Low Permeability Gas Sandstones from Nuclear Magnetic Resonance (NMR) Logs

Tang Wen, School of Petroleum Resource, Xi’an Shiyou University, Xi’an, Shaanxi, P.R. China

Leveraging Experience to Make the Extraordinary Ordinary: Hydraulic Fracturing Tight Gas under HPHT Conditions Mark E. Keller, Mark Machala, and Stephen Drylie, SPE, Halliburton Comparison and Limitation Analysis of Approaches for Porosity Evaluation from NMR and Three Porosity Logs in Low Permeability Gas Sands with Bad Borehole Tang Wen, School of Petroleum Resource, Xi’an Shiyou University; Xu rui and Zhi ling-ling, Tuha Division of CNPC Well Logging Company Ltd.; Wang Xiao-gang, China Oilfield Services Limited

Modelling and Simulation of a New Dual Porosity CBM Reservoir Model with an Improved Permeability Model through Horizontal Wells Zheng Shiyi, SPE, London South Bank University, and Xue Lili, Heriot-Watt University Successful Application of Formation Pressure Testing While Drilling in High Temperature Tight Gas Field in South Sea China Shusheng Guo, CNOOC CCLZ, Yuqiang Niu, SPE, Ju Song, SPE, Lee Chin Lim, SPE, Xingwang Yang, SPE, Jiasheng Zhou, SPE, Schlumberger, Renyi Wang, Wenfeng Peng, CNOOC CCLZ

Critical Evaluation of Shale Gas Reservoir Simulation Approaches: Single- Porosity and Dual-Porosity Modeling James Li, SPE, C. Mike Du, SPE, and Xu Zhang, SPE, Schlumberger Innovative Reservoir Modeling and Simulation of Unconventional Shale Gas Reservoirs Powered by Microseismic Data Waleed Fazelipour, IFP, Beicip A New Approach to Identify Breakout Zones in Tight Gas Shale Hamed Soroush, Abdelaziz Khlaifat, Hani Qutob, SPE, Weatherford; Vamegh Rasouli, Behzad Tokhmechi, SPE, Curtin University of Technology

Optimization of the Design of Transverse Hydraulic Fractures in Horizontal Wells Placed in Dual Porosity Tight Gas Reservoirs S.E. Gorucu and T. Ertekin, SPE, the Pennsylvania State University

Table of Contents continued… Non-Darcy Flow in Tight Gas Reservoir of Travis Peak Formation Abdelaziz Khlaifat, SPE, Weatherford Oil Tool Middle East, Dubai, UAE; Hamid Arastoopour, SPE, Department of Chemical and Biological Engineering, Illinois Institute of Technology, Chicago, USA; Hani Qutob, SPE, Weatherford Oil Tool Middle East, Dubai, UAE

Tight Gas Sands Development is Critical to Future World Energy Resources Abdelaziz Khlaifat, Hani Qutob and Naiem Barakat, SPE, Weatherford Oil Tool Middle East, Dubai, UAE

Ongoing Development of Cementing Practices and Technologies for Kuwait Oil Company’s Deep HPHT Exploration and Gas Wells – Case History M.J. Al-Saeedi, SPE, D. Al-Enezi, SPE, M.N.A. Al-Mudhaf, SPE, T. Modak, SPE, Kuwait Oil Company, and D.C. McKinnell, SPE, Total Kuwait

A Permeability Predictive Model Based On Hydraulic Flow Unit for One of Iranian Carbonate Tight Gas Reservoir Mehdi Bagheripour Haghighi, SPE; Mehdi Shabaninejad, SPE, South Zagros Oil & Gas Production Company, NIOC and Khalil Afsari, Kish Pertoleum Company

Numerical Well Testing Using Unstructured PEBI Grids Hui Deng, Xia Bao, Zhangxing Chen, SPE, University of Calgary, and Ruihe Wang, SPE, China University of Petroleum

Stimulation Combined with Hydrajetting Technology Achieves Excellent Results in Gas Producers in Saudi Arabia: Field Cases E. A. Alabbad, and J. R. Solares, SPE, Saudi Aramco Development of Techniques to Integrate Hydraulic Fracturing Design and Reservoir Simulation Technologies — Application to Forecast Production of Stimulated Wells in Unconventional Gas Reservoirs Waleed Fazelipour, IFP/Beicip Well Logging and Formation Evaluation Challenges in the Deepest Well in the Sultanate of Oman (HPHT Tight Sand Reservoirs) Sultan Al-Mahrooqi, SPE, Abhijit Mookerjee, SPE, William Walton, SPE, Sven Scholten, Petroleum Development Oman; Ray Archer, Geochemistry Associates Ltd; Jokha Al-Busaidi, Hafidh Al-Busaidi, Schlumberger Oman

Extending Well Productive Life by Acid Re-fracturing in a High Pressure/High Temperature Tight Gas/Condensate Carbonate Reservoir in the Jurassic Formation of North Kuwait Mir Kabir, KOC, Qasem Dashti, KOC, J. R. Singh, KOC, San Prasad Pradhan, KOC, Ikhsan Nugraha, Liu Hai and Hamed Al-Ghadhban, Schlumberger

Table of Contents continued… A Better Understanding of Finite Element Simulation for Shale Gas Reservoirs through a Series of Different Case Histories R. Jayakumar, V. Sahai, and A. Boulis, Object Reservoir Inc. Application of High Resolution Micro-CT Imaging and Pore Network Modeling (PNM) for the Petrophysical Characterization of Tight Gas Reservoirs - A Case History from a Deep Clastic Tight Gas Reservoir in Oman L.Riepe, SPE, M. H. B. Suhaimi, PETRONAS CARIGALI SDN. BHD., Malaysia, M. Kumar, SPE, M. A. Knackstedt, SPE, Digitalcore Pty. Ltd., Canberra, Australia

Damage Mechanisms in Unconventional Gas Well Stimulation - A New Look at an Old Problem Josef Shaoul, StrataGen Delft, Lars van Zelm, TU Delft, C.J. de Pater, StrataGen Delft Drilling Waste Management: A Case Study of the Drilling Waste Management and Environmental Control in one of the Iranian Offshore Fields Seyed Mohsen Razmgir, Iranian Offshore Oil Company (IOOC), Meisam Afsari, Iranian Offshore Oil Company (IOOC), and Mahmod Amani, Texas A&M University

Analysis of Geomechanical Data for Horn River Basin Gas Shales, NE British Columbia, Canada Queena Chou, SPE, and Jordan Gao, SPE, Weatherford Geomechanics Services; Mick Somerwil, SPE, Quicksilver Resources Canada Inc.

Drilling Optimization in Unconventional and Tight Gas Fields: An Innovative Approach Keith R. Holdaway, SPE, SAS Institute Inc. First Multi-Stage Swell Packers Open Hole Completion in Rub’ Al-Khali Empty Desert: Case Study Joseph Ekpe, SPE, Andrey Kompantsev, Jamal Al-Thuwaini, Emad Mohammad SPE, Ayman Ashoor Lukoil Saudi Arabia Energy Ltd

Well Engineering for Oman Deep Gas: Planning and Drilling the Deepest Well in the Sultanate of Oman Khamis bin Mohammed Al-Saadi, Matt Smith, Sandeep Dhawan, Salim Al-Mawali, Ibrahim Al-Shidani, Petroleum Development Oman

Technical Limits of Tight Gas Fracturing in Oman – An Innovative Exploration Approach that Incorporates Global Practices

Joe Curtino, SPE, PDO; Rudi Harianta, SPE; Winarsa Lie, SPE; and Tobias Judd, SPE, Schlumberger

Detailed Modeling of the Complex Fracture Network of Shale Gas Reservoirs Bin Gong, Peking University, Guan Qin, Craig Douglas, Univeristy of Wyoming, and Shiyi Yuan, PetroChina

Table of Contents continued… Tight Gas Reservoirs: Geological Evaluation of the Building Blocks

Chandramani Shrivastava, Schlumberger Oman; Redha Lawatia, Schlumberger Oman

Hydraulic Fracturing of Naturally Fractured Tight Gas Formations

Javier Leguizamon and Roberto Aguilera, Schulich School of Engineering, University of Calgary

Optimisation of Completions in Unconventional Reservoirs for Higher Ultimate Recovery Daniel J. Snyder, SPE and Rocky Seale, SPE, Packers Plus Energy Services A Multidisciplinary Approach to a Challenging Tight Gas Play in Sheetflood Sands, Sultanate of Oman John F. Aitken, SPE, Steven G. Fryberger, Sultan H. Mahruqy, SPE, Joe A. Curtino, SPE, and Uzma Mohiuddin, Petroleum Development Oman

Appraisal Strategy for a Tight Gas Discovery Suleiman Al Kindi, Markus Weissenback, Sultan Mahruqi, Joe Curtino, Hisham Al Siyabi, Petroleum Development Oman Co.

Well Completion Strategy and Optimization in a North Dakota Bakken Oilfield Dennis Zander, SPE, Fidelity Exploration & Production Company, Rocky Seale, SPE, Daniel J Snyder, SPE, Packers Plus Energy Services

A Comprehensive Approach to Surveillance in Appraisal of a Tight Gas Project in Central Oman Clark, Robert A Jr, SPE; Al Busafi, Badar; Adil, Imtiaz, SPE; Al Lawati, Hussain, SPE, Huggins, Paul; and Rainey, Steve, BP

Hydraulic Fracturing: Key to Effective Khazzan-Makarem Tight Gas Appraisal Martin Rylance, SPE, Arild Nicolaysen, SPE, BP Exploration, Omar Ishteiwy, SPE, Tobias Judd, SPE, Troy Huey, SPE, Schlumberger, and Wade Giffin, Titan Global Oil Services

North Oman Deep Gas Exploration Opportunity: From Drawing Board to Drilling Activity William Walton, SPE, Sven Scholten, John Aitken, SPE, Abdullah Al-Hakmani, Hisham Al-Siyabi, Dieter Skaloud and John Millson, Petroleum Development Oman

Role of Geomechanics in Aappraisal of a Deep Tight Gas Reservoir: A Case History from the Amin Formation in the Sultanate of Oman Satya Perumalla, SPE, Daniel Moos, Colleen Barton and Thomas Finkbeiner, Baker Hughes RDS/ GeoMechanics International; Sultan Al-Mahrooqi, SPE, Markus Weissenback, William Walton, SPE, and Hisham Al-Siyabi, Petroleum Development Oman

Cleveland Formation - Recent Results and Lessons Learned During Horizontal Re-development of a Mature Field David Bumbaugh, BP America

Table of Contents continued… Seismic Technologies for Unconventional Reservoir Descriptions: Wamsutter Field Case Study Brian Hornby and Rosemarie Geetan, BP America Inc Petrophysical Rock Typing of Tight Gas Sands - Beyond Porosity and Saturation: Example from the Cotton Valley Formation, East Texas David R. Spain, Shujie Liu, BP America, and Chuck Devier, PTS Laboratories Aspects of Seismic Prospecting in Tight Gas Reservoirs

Neil Philip, Emma Sheard, Fiona Sutherland, Barnaby Roome, Brian Taylor, Richard Margesson

Enhanced Geomechanical Modeling with Advanced Sonic Processing to Delineate and Evaluate Tight Gas Reservoirs Kanitthorn Adisornsupawat, Chee Phuat Tan, Leo Anis, Aurifullah Vantala, Reayad Juman, SPE, Schlumberger, Barry Boyce, APICO (Thailand)

Application of IFOT in Tight Gas as a Reservoir Surveillance Technique E. Pinto, J. R. Adams, SPE, BP Tight Gas Modeling Frameworks for Improved Reservoir Management and Its Application to the Moxa Development Area Felipe Gallego, SPE, BP America, Inc. Improving In-Situ Horizontal Stress Profile Accuracy Using Multi-Mode Sonic Measurements: A Case Study in a Deep Tight Gas Well in Saudi Arabia MaoLin Luo, SPE, Schlumberger, Haojie Wu, SPE, Sino Saudi Limited, and Mohammed A. Mohiuddin, SPE, Schlumberger

A New Method for Low Permeability Gas Well Performance Prediction Using Pressure Transient Analysis: Theory and Practices Sun Hedong, SPE, Xu YanMei, Langfang Branch, Research Institute of Exploration and Development, PetroChina