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402127285 02A 2020-08-15T15:05:19.977-06:00 10110 GREAT WESTERN OPERATING COMPANY LLC

1001 17TH STREET #2000

DENVER CO 80202 Erin Lind 720 595-2255 Erin Lind Lead Regulatory Analyst 2020-08-15T15:05:19.977-06:00 2020-08-15T15:05:19.9-06:00 UPLOADED eroberts 2019-07-30T12:38:24.25-06:00 eroberts regulatorypermitting@gwp.com 10.10000 elind@gwp.com hixj hixj 2020-08-24T11:08:17.513-06:00 402127285 true true false false false false Reeman DE Pad WELD SESW 16 8N 66W 6 5124 440 FSL 2190 FWL 40.655986 -104.784028 1.3 2020-05-18T00:00:00-06:00 Matthew Miller 28 18 3 38 4 10 4 Flowlines 2" Steel - 28 Oil Lines 4" Steel - 5 Water Lines 6" Poly - 2 Water Line 4" Poly - 1 Gas Line 6" Steel - 5 Gas Line 4" Steel - 1 2021-04-01T00:00:00-06:00 2022-10-01T00:00:00-06:00 5124 true false false OFFSITE Commercial Disposal FEE FEE true true true false Surface Use Agreement true 20160041 false false true false false true false 56-Renohill fine sandy loam, 6 to 9 percent slopes 5-Ascalon sandy loam, 5 to 9 percent slopes false false false false false false false false false false false true 354 2368 20 false false No false 22.58 13.16 2 true OFFSITE Commercial Disposal true There are 6 water wells approximately within one mile that were reviewed, no static water levels were reported for these wells. Estimated depth to ground water is 20-25 feet. 609 false false false false false false false false false NO true true false false false false false false false false false false N/A County true true Approved The WOGLA for this application was approved on 7/1/2020 1041 WOGLA 2020-03-05T00:00:00-07:00 PDOP 402127285 Reference point for the pad is the REEMAN DE 33-072HN. MLVT Statement: 1. The manufacturer of the MLVTs is Brewer Steel Company. 2. The size of the MLVTs is 60,000 bls. 3. The anticipated timeframe the MLVTs will be onsite is three weeks per occupation. 4. The Location Drawing and Facility Layout Drawing depict the placement of the MLVTs. The Surface Owner has waived notices and consultations per Rule 305.a., 305.c.(1), 305.c.(2), 305.f. and 306.a. Please see page 3 of the attached SUA document. 402127285 402127285 FORM 2A SUBMITTED 402127285.pdf 402127285 402165277 NRCS MAP UNIT DESC NRCS Soil Map Description No.5.pdf 85957 402127285 402165280 NRCS MAP UNIT DESC NRCS Soil Map Description No.56.pdf 84770 402127285 402165489 WASTE MANAGEMENT PLAN Waste Mgmt Plan -Commercial Disposal doc-040115.pdf 128440 402127285 402168013 SURFACE AGRMT/SURETY 3A_Reeman Farms LLC- Executed SUA 4.9.19.pdf 306604 402127285 402462399 MULTI-WELL PLAN REEMAN DE - 06-12-20 - MULTI-WELL PLAN (1).pdf 406383 402127285 402462400 ACCESS ROAD MAP REEMAN DE - 06-12-20 - ACCESS ROAD MAP.pdf 1027754 402127285 402462401 HYDROLOGY MAP REEMAN DE - 06-12-20 - HYDROLOGY MAP.pdf 436610 402127285 402462402 LOCATION DRAWING REEMAN DE - 6-12-20 LOCATION DRAWING.pdf 529518 402127285 402462403 LOCATION PICTURES REEMAN DE - 6-12-20 Location Photos.pdf 1091941 e3453db0-8e2d-41b2-b67c-181593a6ca99 402127285 4 Material Handling and Spill Prevention Oil-based drilling fluids (OBDF) will be separated from the cuttings at surface. At the end of its use on a particular well, the liquid oil-based mud will be reused for additional drilling operations or it will be returned to the vendor who originally supplied the mud. Transportation will occur on a daily basis as required to facilitate ongoing drilling operations. Oil-based drill cuttings (OBDC) will be separated from liquid mud onsite and the cuttings will be temporarily stored onsite in steel bins. Accumulated cuttings will be transported for permanent disposal to a licensed solid waste disposal facility. The actual solid waste disposal facility that will be used will depend on geographic proximity to the well being drilled. Transportation will occur on a daily basis as required to facilitate ongoing drilling operations. false 38c585de-d1a8-45cc-86f3-1cc22f63a457 402127285 12 Drilling/Completion Operations A BOPE with a minimum pressure rating of 3,000 psi will be utilized. At a minimum it will consist of 2 ram preventers and 1 annular preventer. The blind rams will be positioned below the pipe rams. A backup system of pressure control will be onsite consisting of at a minimum 1,000 psi accumulator (backup pressure). Accumulator is tested to 1,000 psi. Operator may use fixed sized pipe rams matching the tubular size. The annular preventer will be pressure tested to 250 psi low and 2,000 psi high for 5 minutes each. The ram preventers will be tested to 250 psi low and 2,500 psi high for 5 minutes each. All remaining well control equipment will be tested to 250 psi low and 2,500 psi high for 5 minutes each. The pressure tests will be conducted when the equipment is first installed and every 30 days thereafter. Pipe rams and blind rams will be function tested before every well service operation. Annual BOP inspections and pressure tests will be performed by the service company and will be charted & retained for 1 year. Backup stabbing valves shall be used on operations that require reverse circulation. Valves will be pressure tested before each well service operation in low pressure and high-pressure range. The Great Western onsite representative will be certified in Well Control Operations by a Well-Cap certified training service. false 61f28db5-8cf6-4ef4-95c6-2224d60f57bb 402127285 11 Drilling/Completion Operations Great Western certifies that the MLVTs on this location will be designed and implemented consistent with the COGCC Policy on the use of MLVTs in the state of Colorado. false d4195efe-dd4f-4feb-96e0-3a7fc97ee12d 402127285 10 Drilling/Completion Operations Light sources will be directed downwards and inward, and away from the nearest occupied structures and public road. Once the drilling and completion rigs leave the site, there will be no permanently installed lighting on site. false 401c7129-1862-4660-91d6-3c13c8b304ea 402127285 5 Material Handling and Spill Prevention A minimum containment capacity of 110% of the single largest storage vessel inside the containment will be constructed around any liquids storage area at this site. Great Western designs its new facilities to both avoid leaks or releases as well as to help detect them in a time-efficient manner to minimize potential impacts. Tanks and all visible pipelines and valves etc. are inspected informally on a daily basis by company lease operators. In addition, Great Western also conducts formal annual SPCC inspections, and formal site specific and random audits, by third-party consultants to inspect for general site conditions as well as condition of tanks, pipelines, and containment structures. In addition, our company lease operators and Production staff review production records, including volumes and pressures, looking for irregularities that may indicate a problem with a tank or pipeline. If an irregularity is detected that may indicate a potential release the suspect tank and/or pipeline(s) are removed from service, isolated, and either pressure tested or visibly inspected for indications of a potential leak. false 4a63b9f0-6017-41b6-aeb9-3fbf29fe9cb7 402127285 1 General Housekeeping General housekeeping will consist of neat and orderly storage of materials and fluids. Wastes will be temporarily stored in sealed containers and regularly collected and disposed of at offsite, suitable facilities. If spills occur, cleanup will be implemented within 24-48 hours, as appropriate, to minimize any commingling of waste materials with storm water runoff. Routine maintenance will be limited to fueling and lubrication of equipment. Drip pans will be used during routine fueling and maintenance to contain spills or leaks. Any waste product from maintenance will be containerized and transported offsite for disposal or recycling. There will be no major equipment overhauls conducted onsite. Equipment will be transported offsite for major overhauls. Cleanup will consist of patrolling the roadways, access areas, and other work areas to pick up trash, scrap debris, other discarded materials, and any stained soil. These materials will be disposed of properly. false d7495216-525c-46a0-bb62-57d21119b250 402127285 2 Storm Water/Erosion Control Storm water controls will be constructed around the perimeter of the site prior to construction. The controls will result in no migration of sediment beyond the location boundaries. Typically, Great Western utilizes a ditch and berm system of storm water control at its sites. BMP's used are determined just prior to construction by a third-party storm water contractor and may vary according to the location. Storm water controls will remain in place until the pad is stabilized or reaches final reclamation. false c111a316-c0f5-4c19-a8c8-634790c2199e 402127285 8 Emissions mitigation Great Western shall conduct monitoring during drilling and completions and shall perform inspections during production (AVO and LDAR) and maintain compliance with the permit and control provisions of the Colorado Air Quality Control Program, Title 25, Article 7, C.R.S. false d63e161b-8d4e-46c4-8fcf-b44a11b9ec57 402127285 7 Noise mitigation Great Western will operate in accordance with permissible noise levels per COGCC Rule 604.c.(2)A. and 802, as applicable. If needed during drilling and completion operations to remain in compliance with state noise standards, Great Western will construct sound walls that will be placed along certain edges of the pad. This pad will be constructed in such a manner that noise mitigation may be installed and removed without disturbing the site or potential landscaping. false 0a21c9d3-22c1-4a0b-9530-cdf9951bc3e9 402127285 9 Odor mitigation Drilling rig and completion equipment engine exhaust will be directed away from occupied buildings to assist in mitigating potential odors. Sealed tanks with pressure relief valves and emissions controls will be utilized for the production phase. false e38bdbb1-6245-44a3-b09b-e4da88bd7d3d 402127285 6 Dust control Dust control measures will be used at this site and may include surface stabilization, appropriate chemical or water applications, use of speed restrictions and regular road maintenance. The access road will be constructed with road base aggregate material and a street sweeper and/or water tank will be on call to limit dust when necessary. false a9cae1e2-ad6a-413e-8c88-02348a099e75 402127285 3 Material Handling and Spill Prevention In accordance with COGCC Rule 1002.f.(2) A. & B., Great Western shall provide a designated storage area for dry bulk chemicals and miscellaneous fluids. The dry chemicals in the storage area shall be adequately protected to prevent contact with precipitation, shall be elevated above storm- or standing water, and shall provide sufficient containment for liquid chemical storage to prevent release of spilled fluids from impacting soil, surface water or groundwater and will prevent the co-mingling of spilled fluids or chemicals with other E&P Waste. false 402127285 Reeman Farms LLC

35710 WCR 39

Eaton CO 80615 402127285 28 18 3 38 4 10 4 Flowlines 2" Steel - 28 Oil Lines 4" Steel - 5 Water Lines 6" Poly - 2 Water Line 4" Poly - 1 Gas Line 6" Steel - 5 Gas Line 4" Steel - 1 2 402127285 C true false false 402127285 F true false 402127285 false false false false false false false false Thread was being aborted.