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0 I-441 <br /> Shell Exploration & Production 1-1"— <br /> Shell Frontier Oil & Gas Inc. <br /> P. O. Box 478 <br /> Meeker, CO 81641 <br /> UPS Tracking #: 1Z 6Y5 826 03 92233 4499 <br /> January 15th, 2015 <br /> Division of Reclamation, Mining & Safety RECEIVED <br /> Department of Natural Resources �� <br /> Attention: Minerals,rogram l 16 2015 <br /> (Reference NOIbP-2010-026) 2 copies <br /> 1313 Sherman Street, Room 205 io DIVISION OFRECLAMATION <br /> Denver, Colorado 80203 MINING AND; ETY <br /> SUBJECT: 11REVISED-WELL CONSTRUCTION AND TEST REPORTS <br /> MAHOGANY RESEARCH PROJECT <br /> SECTION 04 T2S, R98W <br /> RIO BLANCO COUNTY, COLORADO <br /> Shell Frontier Oil & Gas Inc. (SFOGI) hereby submits the Revised Well Construction and Test Reports <br /> for the following holes on the East RDD Pilot Project, NOI P-2010-026, associated with our Mahogany <br /> Research Project. <br /> HW-8102 HW-8105 HW-8108 HW-8111 <br /> HW-8103 HW-8106 HW-8109 HW-8112 <br /> HW-8104 HW-8107 HW-8110 HW-8113 <br /> Construction reports were initially submitted upon completion of wells. In preparation of the pyrolosis <br /> (heating) phase, which did not occur, additional casing was added. A thick wall sealed bottom 4-1/2" <br /> canister to contain the heater was placed down hole. A swellable packer was placed inside the 7.62" <br /> casing, just above the shoe so that the well remained sealed below the packer and the shoe. The <br /> purpose of these revisions are to include the canisters in the construction and test reports. <br /> Pursuant to applicable confidentiality provisions, we request that this information be kept confidential.. <br /> If you have any questions or need additional information regarding this report, please contact Ms. Patti <br /> Merriam at (970) 675-6307. <br /> / <br /> Sincerely, <br /> Luis Hernandez <br /> MRP Operations Superintendent and Decommissioning Manager <br /> ACY <br /> Enclosures <br /> 2015 CDRMS ERDD Well Comp Rpts REVISED 0101515.docx <br />