Overview of Well Integrity NetworkOverview of Well Integrity Networksm

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(Summary Presentation from JNM in New York)

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Rick ChalaturnykUniversity of Alberta

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April 16, 2009

Network CharterNetwork Chartersm

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Steering Committee MembersSteering Committee Memberssm

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Network ObjectivesNetwork Objectivessm

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Wellbore Integrity Focus AreasWellbore Integrity Focus Areassm

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Summary of Key Issues (from JNM) Summary of Key Issues (from JNM) -- 11sm

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Summary of Key Issues (from JNM) Summary of Key Issues (from JNM) -- 22sm

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Summary of Key Issues (from JNM) Summary of Key Issues (from JNM) -- 33sm

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Summary of Key Issues (from JNM) Summary of Key Issues (from JNM) –– 44sm

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Needs (as Identified from JNM)Needs (as Identified from JNM)sm

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Interface with Other NetworksInterface with Other Networkssm

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Network Future GoalsNetwork Future Goalssm

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Wellbore Integrity Meeting in Calgary, Wellbore Integrity Meeting in Calgary, Alberta on May 13 and 14, 2009Alberta on May 13 and 14, 2009y ,y ,Session 2: Risk and Regulatory Environment for Wellbore Integrity

◦ Well blowout rates and consequences in California Oil and

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◦ Well blowout rates and consequences in California Oil and Gas District 4 from 1991 to 2005,

Preston Jordan, Lawrence Berkeley National Lab

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◦ CO2 Storage--Managing the Risks of Wellbore Leakage over Long Timescales,

Rabih Chammas Olivier Poupard Oxand

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Rabih Chammas, Olivier Poupard, Oxand

◦ Qualitative and semi-quantitative risk assessment methods to evaluate potential CO2 leakage pathways through wells,

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Claudia Vivalda, Schlumberger

◦ Regulatory practices in Alberta, Tristan Goodman ECRB

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◦ Well Abandonment Practices Study, TNO

Session 3: Field Studies of Wellbore Integrityg yWellbore integrity in the North Sea

Tor Harald Hanssen, StatoilHydro

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CO2 Capture Project results from Buracica, BrazilWalter Crow

Salt Creek EOR experience

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Ken Hendricks, Anadarko

Wellbore Database at Weyburn, Canada

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yRick Chalaturnyk, U. of Alberta

Measuring and understanding CO2 leaks in injection ll p i f M ECBM

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9 wells: experience from MovECBMMatteo Loizzo, Schlumberger

Effective Zonal Isolation for CO2 Sequestration

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Session 4: Wellbore Remediation, Leakage and Alternative Practices

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Alternative Practices ◦ CO2 injection well conversion and repair Mark Woitt, RPS Energy

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◦ Use of alternative cement formulations in the oilfield

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Don Getzlaf, Cemblend

◦ Microseismic studies revealing leakage pathways, Marco Bohnhoff, Stanford University

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◦ Long term sealing of GHG sequestration wells, Homer Spencer

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Session 6: Experimental studies of Wellbore Processes

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Processes◦ Experimental studies on wellbore cements, Karoosh Ashgari, University of Regina

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◦ Experimental assessment of brine and/or CO2leakage through well cements at reservoir conditions

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conditions Brant Bennion, Hycal

◦ Impact of CO2 on Class G cement, static and

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p 2dynamic long term tests Francois Rodot and André Garnier, Total

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Session 7: Modeling of Wellbore Processes◦ Simulating leakage through well cement: coupled

reactive flow in a micro-annulus Laure Deremble, Schlumberger

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Laure Deremble, Schlumberger◦ Modelling of wellbore cement alteration as a

consequence of CO2 injection in exploited gas reservoirs

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Claudio Geloni, Saipem

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Session 8: Quo Vadis: Future Direction of the Wellbore Integrity Network

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Status Report Issued by the Wellbore Integrity Network: Elements and Outline

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i Integrity Network: Elements and Outline

Overview of Well Integrity NetworkOverview of Well Integrity Networksm

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Rick ChalaturnykUniversity of Alberta

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April 16, 2009