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400150276 02 2011-04-05T13:23:53.363-06:00 10154 ORR ENERGY LLC

1813 61ST AVE STE 200

GREELEY CO 80634 Kallasandra Moran 303 928-7128 303 962-6237 Kallasandra M. Moran Regulatory Analyst 2011-04-05T13:23:53.363-06:00 2011-04-06T13:28:35.44-06:00 UPLOADED kmoran 2011-04-05T13:14:19.11-06:00 kmoran kmoran@petro-fs.com 2.00000 kmoran@petro-fs.com WO INFO FROM OPERATOR colerl colerl 2011-04-07T07:19:42.583-06:00 400150276 DR N N OIL MULTIPLE Y Calvary 18-34 8000 SWSE 18 7N 65W 6 2016 Wattenberg FEL 810 90750 4891 FSL WELD FEE FEE Y 565 Sec. 18, 7N, 65W, 6th PM N 766 766 FEET 2680 855 FEET FEET FEET N N N N ONSITE LAND SPREADING 20100218 DOUBLE RAM 40.570172 -104.703750 2011-03-16T00:00:00-06:00 LK Stevenson / PFS 2.1 Y true 400150276 The location does NOT require a variance from any of the rules listed in Rule 306.d. (1). (A). (ii). The location is NOT in a restricted surface occupancy area. The location is NOT a sensitive wildlife habitat area. 400150276 400150276 FORM 2 SUBMITTED 400150276.pdf 400150276 400150280 30 DAY NOTICE LETTER Orr Energy - Calvary Farms - 30 Day Letter - Sent 4-1-2011.pdf 308166 400150276 400150281 TOPO MAP CALVARY 18-34 7N65W18 Topo.pdf 472258 400150276 400150283 WELL LOCATION PLAT CALVARY 18-34 7N65W18 Well Cert.pdf 463034 400150276 400150265 02A 18-34 Well Location (2A) 371c119c-03b6-4206-b239-1eaa112b1b8f 400150276 5 Planning When feasible develop multiple well sites by using directional drilling to reduce cumulative impacts and adverse impacts on wildlife resources. 43127898-ff90-4891-88e6-2a215f3e1eb3 400150276 5 Storm Water/Erosion Control Use water bars, and other measures to prevent erosion and nonsource pollution. Implement and maintain BMPs to control stormwater runoff in a manner that minimizes erosion, transport of sediment offsite, and site degradation. Co-locate gas and water gathering lines whenever feasible, and mitigate any erosion problems that arise due to the construction of any pipeline(s). a5d5975e-048b-429a-a2dd-3f59059232df 400150276 5 Site Specific Fence the well site after drilling to restrict public and wildlife access. Keep well site location, the road, and the pipeline easement free of noxious weeds, litter and debris. Spray for noxious weeds, and implement dust control, as needed. Orr Energy LLC will not permit the release or discharge of any toxic or hazardous chemicals or wastes on Owner’s Land. Construct and maintain gates where any roads used by Orr Energy LLC cross through fences on the leased premises. e32c369b-1fdc-4aae-af06-7a7743530552 400150276 5 Interim Reclamation Utilize only such area around each producing well as is reasonably necessary. Restore the remainder of the well site location to its original condition within a reasonable time after the completion of operations. All reseeding shall be done with grasses consistent with the Rocky Mountain native mix or other grasses reasonably requested by surface owner and during planting period suggested by Owner. 7eb9d5ea-0887-48e8-bbf8-8e107375bcda 400150276 5 Final Reclamation All surface restoration shall be accomplished to the satisfaction of Owner. All reseeding shall be done with grasses consistent with the Rocky Mountain native mix or other grasses reasonably requested by surface owner and during planting period suggested by Owner. Final reclamation shall be completed to the reasonable satisfaction of the Owner as soon as practical after installation (weather permitting) and in accordance with regulatory agency standards(BLM/COGCC). da75db53-2f06-4048-a327-97f11e97939a 400150276 5 Drilling/Completion Operations Use a closed-loop drilling mud system to preclude the use of an earthen reserve pits when available. 90574b7e-d7f8-4aee-b73a-bada1c9e7a62 400150276 5 Construction Remove only the minimum amount of vegetation necessary for the construction of roads and facilities. Conserve topsoil during excavation and reuse as cover on disturbed areas to facilitate regrowth of vegetation. No construction or routine maintenance activities will be performed during periods when the soil is too wet to adequately support construction equipment. 400150276 1ST 7 7 8 4 1 2 11.6 8000 750 8000 0 0 PLANNED 400150276 SURF 12 1 2 8 5 8 24 575 500 575 0 0 PLANNED 400150276 Codell CODL 400150276 J-Sand JSND 400150276 Niobrara NBRR

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