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402152355 02A 2019-11-19T14:58:51.05-07:00 100322 NOBLE ENERGY INC

1001 NOBLE ENERGY WAY

HOUSTON TX 77070 Craig Richardson 303 224-4232 Stephany Olsen Regulatory Analyst 2019-11-19T14:58:51.05-07:00 2019-12-02T10:12:26.387-07:00 426897 UPLOADED solsen 2019-08-22T09:28:21.76-06:00 solsen stephany.olsen@nblenergy.com 10.00000 Denverregulatory@nblenergy.com Completeness - conflicting/missing information hixj hixj 2019-12-12T15:57:18.233-07:00 2 402152355 false false false false false false 01-65-1HN Cecil USX A 426897 WELD SENE 1 6N 64W 6 4737 2120 FNL 246 FEL 40.516880 -104.489670 2.1 2011-09-12T00:00:00-06:00 Brian Brinkman 3 9 3 6 1 3 3 Three (3) 2-4” Three Phase Flowline Three (3) 2-4" Steel Gas Lift Lines One (1) 12”-16” Steel Gas Gathering Line Two (2) 8” Steel Gathering Line (for oil and produced water) Three (3) 12” Temporary Poly Line to supply fresh water to site 2012-01-01T00:00:00-07:00 2020-01-01T00:00:00-07:00 4737 true false false OFFSITE Commercial Disposal FEE FEE false false false false Surface Use Agreement true 20030009 false false true true 47 - OLNEY FINE SANDY LOAM, 1-3% SLOPES 74 - VONA SANDY LOAM, 5-9% SLOPES false false false false false false false false false false false true 12 121 48 false false No false 5.00 1.90 3 false OFFSITE Commercial Disposal true Basis for Sensitive Area Determination: Shallow groundwater, nearest water well distance, building unit in buffer zone Nearest Down-gradient surface water: ditch 12' NE Nearest Water Well: Permit 93970: 121' SW Estimated depth to ground water: 48' Permit 93970: 121' SW 318A false false false false false false false false true NO true false false false false false false false false false false false N/A County false false Other Location was constructed prior to the WOGLA permit process. 402152355 Noble provided written remarks in response to this issue to Commission Staff on September 3, 2019, and the location is included in the AOC for Docket No. 190600392. Noble Energy in submitting this application to Amend Location ID: 426897 due to the pad being constructed larger than the approved area of disturbance. This location is already constructed, and the wells have been drilled and completed. Existing Wells producing to the CECIL USA A 01-65-1HN Multi Location (within the Disturbance Area): CECIL USX A01-66-1HN (API # 05-123-34810), CECIL USX A01-65HN (API # 05-123-34808), CECIL USX A01-65-1HN (API # 05-123-34806) Interim reclammation began on 4/1/2012 and has been completed. The Exception Location and Twinning Waiver language is in the SUA. There are no Schools, School Facilities, School Properties or Child Care Centers within 1,320’ of the Oil and Gas location and therefore a Rule 305.a.(4) certification has not been provided with the submittal of this application. Property Line 1’ S of the Cecil USX A01-65-1HN well is the same surface owner. Property Line 66’ S of the closest piece of equipment (Oil Tanks). Objective Criteria memo attached. 402152355 402152355 FORM 2A RESUBMITTED 402152355.pdf 402152355 402235776 FORM 2A REJECTED 402235776.pdf 402152355 402242476 FACILITY LAYOUT DRAWING 12 SCALED FACILITY_CECIL USX A PAD (2019-08-07).pdf 222247 402152355 402250975 OBJECTIVE CRITERIA REVIEW MEMO Cecil Director Objective Criteria.pdf 155933 d6caf633-0370-4ffa-9495-13467e5f64d2 402152355 3 General Housekeeping Type: General Housekeeping Housekeeping consists of neat and orderly storage of materials and fluids. If spills occur prompt cleanup is required to minimize any commingling of waste materials with stormwater runoff. Routine maintenance is limited to fueling and lubrication of equipment. Drip pans are 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 of trash and discarded materials is conducted at the end of each work day. Cleanup consists of patrolling the roadway, access areas, and other work areas to pickup trash, scrap debris, other discarded materials, and any contaminated soil. These materials will be disposed of properly. false 6135b2a8-9696-4239-a0e6-1945d313184e 402152355 7 Construction COGCC Rule 604.c.(2)G. Berm construction. Construction: • Berms or other secondary containment devices in Designated Setback Locations have been constructed around crude oil, condensate, and produced water storage tanks and shall enclose an area sufficient to contain and provide secondary containment for one-hundred fifty percent (150%) of the largest single tank. Secondary-containment construction includes the installation of a contiguous spray liner installed and underlaying the entire tank battery, then anchored into the steel-walled containment berms. Berms, liner or other secondary containment devices shall be sufficiently impervious to contain any spilled or released material. All berms and containment devices are currently inspected at regular intervals and maintained in good condition. No potential ignition sources shall be installed inside the secondary containment area unless the containment area encloses a fired vessel. Refer to American Petroleum Institute Recommended Practices, API RP - D16. false 93eb211f-046e-4c15-8d6f-1c09f0bda1ee 402152355 2 Traffic control COGCC Rule 604.c.(2)D. Traffic Plan. Traffic Control: Speed limits will be enforced. The traffic plan and route will include mitigation of impacts from temporary operations by applying water or magnesium chloride as dust suppression within 1000’ of occupied residences on Weld County Road 61, and on lease roads as necessary in cooperation with the county. false bd1cdbfe-84ab-46af-a95d-6481aabf31a2 402152355 10 Noise mitigation COGCC Rule 604.c.(2)A. Noise. Noise Mitigation: • Permanent facility – Sound walls are to be utilized around compressors if they should be located at the Cecil USX A Production Facility. These sound walls will be utilized to block sound to the residence located southwest of the facility. false 5021a561-d4f3-4cc7-b871-6c581e24c164 402152355 1 Planning COGCC Rule 803 Lighting Planning: • Lighting on the drill pad location is considered temporary and will be used during drilling/recompletion activities. Permanent lighting may be installed and utilized at the production facility during normal production operations. Lighting will be directed downward, inward, and shielded towards location to avoid glare on public roads and Building Units within 1,500 feet. Lighting will be on timers or turned off when practical, i.e., no operations being conducted. false 9294c9b2-a97f-4d60-91a1-91ddfd9306dc 402152355 8 Construction COGCC Rule 604.c.(2)S. Access roads. Construction: • At the time of construction, all leasehold roads were constructed to accommodate local emergency vehicle access requirements and are maintained in a reasonable condition. The access road was constructed from WCR 61. false e297c02d-3a95-4b62-8e9a-cbb0e29497c0 402152355 5 Material Handling and Spill Prevention COGCC Rule 604.c.(2)F. Leak Detection Plan Material Handling and Spill Prevention: • Noble Energy Inc. designed well heads and supporting infrastructure on the well pad to avoid releases and to be compliant with all regulations specific to leak detection and control (i.e. SPCC 40CFR112). Daily, monthly and annual inspections are performed at each well pad to confirm operational integrity and regulatory compliance. Noble will perform maintenance if it is deemed necessary through any of the scheduled inspections. Automation technology is utilized to monitor any variations in pressures and fluid gauges which could indicate a leak at the well head or flow lines to the production facility. In addition, automation provides remote shut-in capabilities in the event of an emergency. false 57dea2f9-cdf0-4fb9-82b0-dbbc3ebac63f 402152355 4 Storm Water/Erosion Control Type: Sensitive Area for Water Resources Grading and drainage of the facility-pad were engineered with structural controls to ensure flow away from sensitive surface water resources to ensure surficial flow runs to the pad’s perimeter diversion channel and then directly into the sediment-trap structure to protect irrigation borrow-ditches in proximity to the multi-pad. false 8c547ae8-8473-4e2b-a7ef-e086771e5c6f 402152355 6 Dust control COGCC Rule 805.c Fugitive Dust Planning: Noble shall employ practices for control of fugitive dust caused by their operations. Such practices shall include but are not limited to the use of speed restrictions, regular road maintenance, restriction of construction activity during high- wind days, and silica dust controls when handling sand used in hydraulic fracturing operations. Additional management practices such as road surfacing, wind breaks and barriers, or automation of wells to reduce truck traffic may also be used to minimize fugitive dust emissions. false e8753cb4-1926-48a1-b7f7-f192a01c76b7 402152355 9 Construction Standard Produced Water Vault Construction Type: Construction 1. A contiguous spray liner was installed and underlays the entire tank battery. The location of a partially buried cement water vault will be excavated prior to liner install. 2. A 60 bbl cement water vault is utilized to collect excess produced water from oil tanks. Produced water in the vault is removed as needed and disposed of in an approved UIC disposal well. The cement water vault is one piece with no seams designed to minimize potential for leaks. All piping associated with the use of the water vault will be aboveground and visually inspected on a regular basis. 3. The partially buried cement water vault has been installed above a spray in liner. 4. A sized steel secondary containment ring is installed surrounding the entire tank battery. Sand and gravel bedding will be installed to protect the liner prior to placing equipment in the containment area. false 402152355 Weldco Farms, LLC

1919 14th Street, Suite 300

C/O Lindsay Carpenter Boulder CO 80302 402152355 3 9 3 6 1 3 3 Three (3) 2-4” Three Phase Flowline Three (3) 2-4" Steel Gas Lift Lines One (1) 12”-16” Steel Gas Gathering Line Two (2) 8” Steel Gathering Line (for oil and produced water) Three (3) 12” Temporary Poly Line to supply fresh water to site 3 402152355 C true 402152355 F true 402152355 false false false false false false false false Thread was being aborted.