07121 1701 Final_report 12-15-10 (Forest Reserve)

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   Final Report to IOR for Deepwater Gulf of Mexico 07121-1701.FINAL Improved Recovery: Phase I 07121-1701 December 15, 2010 by Joseph Lach Vice President, Reservoir Management 1800 West Loop South Suite 1000 Houston, TX 77027    LEGAL   NOTICE   This   report   was   prepared   by   Knowledge   Reservoir,   LLC   as   an   account   of    work   sponsored   by   the   Research   Partnership   to   Secure   Energy   for   America,   RPSEA.   Neither   RPSEA   members   of    RPSEA,   the   National   Energy   Technology   Laboratory,   the   U.S.   Department   of    Energy,   nor   any   person   acting   on   behalf    of    any   of    the   entities:   a.   MAKES   ANY   WARRANTY   OR   REPRESENTATION,   EXPRESS   OR   IMPLIED   WITH   RESPECT   TO   ACCURACY,   COMPLETENESS,   OR   USEFULNESS   OF   THE   INFORMATION   CONTAINED   IN   THIS   DOCUMENT,   OR   THAT   THE   USE   OF   ANY   INFORMATION,   APPARATUS,   METHOD,   OR   PROCESS   DISCLOSED   IN   THIS   DOCUMENT   MAY   NOT   INFRINGE   PRIVATELY   OWNED   RIGHTS,   OR   b.   ASSUMES   ANY   LIABILITY   WITH   RESPECT   TO   THE   USE   OF,   OR   FOR   ANY   AND   ALL   DAMAGES   RESULTING   FROM   THE   USE   OF,   ANY   INFORMATION,   APPARATUS,   METHOD,   OR   PROCESS   DISCLOSED   IN   THIS   DOCUMENT.   THIS   IS   A   FINAL   REPORT.   THE   DATA,   CALCULATIONS,   INFORMATION,   CONCLUSIONS,   AND/OR   RECOMMENDATIONS   REPORTED   HEREIN   ARE   THE   PROPERTY   OF   THE   U.S.   DEPARTMENT   OF   ENERGY.   REFERENCE   TO   TRADE   NAMES   OR   SPECIFIC   COMMERCIAL   PRODUCTS,   COMMODITIES,   OR   SERVICES   IN   THIS   REPORT   DOES   NOT   REPRESENT   OR   CONSTIITUTE   AND   ENDORSEMENT,   RECOMMENDATION,   OR   FAVORING   BY   RPSEA   OR   ITS   CONTRACTORS   OF   THE   SPECIFIC   COMMERCIAL   PRODUCT,   COMMODITY,   OR   SERVICE.      Abstract   This   report   documents   the   results   of    an   18 ‐ month   study   on   identifying   concepts   for   improving   oil   recovery   in   deepwater   fields   of    the   Gulf    of    Mexico.   Knowledge   Reservoir   was   the   principal   investigating   company,   and   partner   contributing   groups   included   the   Louisiana   State   University   and   Anadarko   Petroleum.   The   project   first   identified   the   “size   of    the   prize”   which   is   the   forecast   of    oil   recovery   and   remaining   oil   in ‐ place   at   cessation   of    production   under   current   operating   practices.   A   comprehensive   database   was   provided   as   a   deliverable   with   detailed   information   for   over   80   fields   and   400   reservoirs   with   srcinal   oil   in ‐ place,   rock   and   fluid   properties,   cumulative   oil,   and   forecasts   of    expected   ultimate   oil   recovery.   A   detailed   evaluation   of    why   oil   is   being   left   behind,   referred   to   as   oil   trapping   mechanisms,   was   a   precursor   to   selecting   relevant   IOR   process.   For   Neogene   age   reservoirs,   the   forecast   average   oil   recovery   factor   is   31.6%   with   a   range   from   16%   (P90)   to   48%   (P10).   For   mature   Neogene   age   reservoirs,   a   total   of    19   IOR   processes   were   identified   and   evaluated.   The   19   IOR   processes   were   included   under   the   broad   categories   or   themes   of    water   injection,   water ‐ based   EOR,   gas   injection,   gas ‐ based   EOR,   pumping   and   artificial   lift,   and   well   technology.   The   evaluation   includes   an   estimation   of    the   low   and   high   range   of    “technical”   incremental   recovery,   number   of    target   fields,   target   OOIP,   unrisked   IOR   potential   barrels,   risking   by   use   of    the   “technical   readiness   factor”   and   ranking   of    the   processes.   Key   findings   include   that   water   injection   and   particularly   low   cost   alternative   like   aquifer   dump   flooding   and   seafloor   injection   have   highest   near ‐ term   benefits.   Pumping   and   artificial   lift   solutions   are   key   required   technology,   and   lower   cost   well   is   also   crucial   to   all   incremental   projects.   Other   IOR   processes   which   show   potential   and   are   recommended   for   further   study   include   low   salinity   water   injection,   MEOR,   and   nitrogen   injection,   riserless   light   well   intervention,   and   fracturing   technology.   A   key   element   of    the   study   was   to   identify   the   technical   gaps   which   are   currently   keeping   the   industry   from   implementing   the   IOR   concepts.   Recommendations   were   made   for   future   research   to   help   “bridge”   the   identified   technical   gaps.      Knowledge Reservoir Document Control Sheet Report Name and Document Title: IOR FOR DEEPWATER GULF OF MEXICO IMPROVED RECOVERY: PHASE I Document and Revision Number: 07121-1701.FINAL Total Number of Pages: 224 (PLUS APPENDICES B, C, AND D) Comments: 003 15-Dec-2010 Incorporate December TAC meeting change requests J. Lach J. Lach 002 26-Oct-2010 Incorporate edits from client and resubmit report K. Beadall J. Lach J. Hallam J. Lach 001 23-Sep-2010 Final report sent to client for review K. Beadall J. Lach J. Hallam J. Lach X. Li KMcMillen J. Lach J. Lach n/a 14-Sep-2010 Draft report K. Beadall J. Lach J. Hallam X. Li K. McMillen J. Lach J. Lach Revision Date Reason For Issue Prepared Checked Approved
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