| Community Outreach and Notification | Form: (02A )
401088795
11/5/2017 | Visual Mitigation BMP
After discussions with homeowners within the Buffer Zone radius, it was mutually agreed upon that a berm would be constructed for visual mitigation. The earthen berm will be 12’ in height, have 4:1 slopes and will be farmed by the surface owner initially. Upon additional planned improvement of the surrounding lands, landscaping will be installed. Future landscaping will include recommended trees, shrubs, landscaping rock and native grasses as outlined in the Adams County Development Standards and Regulations, Chapter 4-16. In addition, a chain-link fence with slat covering will be installed along the north edge of the pad to break the line of sight from HWY 7. |
| Noise mitigation | Form: (02A )
401088795
11/5/2017 | Noise Mitigation BMP
Great Western will install an earthen berm on the west side of the pad to reduce noise impacts to the adjacent homeowners located to the west of the pad. In addition to the berm installation sound walls will be utilized on the north, west and east sides of the pad on an as needed basis based on the results of a baseline noise survey. An Ambient Sound Study will be conducted no sooner than (3) weeks prior to the construction of the location to account for any new sounds not associated with this oil and gas location in order to get the most accurate baseline noise survey and recommendations for noise mitigation. |
| Emissions mitigation | Form: (02A )
401088795
11/5/2017 |
Dust Control
GWOC will implement dust control measures during drilling, completion and production operations at the Location. Dust control measures may include surface stabilization, or dust control with appropriate chemical or water applications.
|
| Odor mitigation | Form: (02A )
401088795
11/5/2017 | Removal of Surface Trash (Rule 604.c.(2)P
All surface debris, trash, unusable scrap, or solid waste from the facility will be properly temporarily stored on location in a secure container and ultimately removed and disposed of in a legal manner.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 |
Sound and Light Mitigation
During the drilling and completions phase, Great Western plans to construct sound/visual walls that will be placed along the edges of the pad. This will also assist to block out any lighting from nearby occupied structures. This pad will be constructed in such a manner that noise mitigation may be installed and removed without disturbing the site or landscaping.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | LMLVT CERTIFICATION STATEMENT:
Great Western Operating Company 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.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Berm Construction (Rule 604.c.(2)G.
A minimum containment capacity of 150% of the single largest storage vessel inside the containment will be constructed around any liquids storage area within a designated setback zone. For this location, steel containment with sealed liners will be utilized at all storage facilities on this location.
Tanks and all visible pipelines and valves etc. will be inspected informally on a daily basis by company lease operators. In addition, GWOC 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.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Wellbore Collision Prevention (Rule 317.r)
Prior to drilling operations the operator will perform an anti-collision evaluation of all active (producing, shut in, or temporarily abandoned) offset wellbores that have the potential of being within 150 feet of a proposed well prior to drilling operations for the proposed well. Notice shall be given to all offset operators prior to drilling.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Multi Well Open Hole Logging
One of the first wells drilled on the pad will be logged with open-hole Resistivity Log and Gamma Ray Log from the kick-off point into the surface casing. All wells on the pad will have a cement bond log with gamma-ray run on production casing (or on intermediate casing if production liner is run) into the surface casing. The horizontal portion of every well will be logged with a measured-while-drilling gamma-ray log. The Form 5, Completion Report, for each well on the pad will list all logs run and have those logs attached. The Form 5 for a well without open-hole logs shall clearly state “No open-hole logs were run” and shall clearly identify (by API#, well name & number) the well in which open-hole logs were run.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Bradenhead Monitoring
GWOC will comply with the “COGCC Policy for Bradenhead Monitoring during Hydraulic Fracturing Treatments in the Greater Wattenberg Area”, dated May 29, 2012
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | 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 contaminated soil. These materials will be disposed of properly.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Light Mitigation
Light sources will be directed downwards, and away from occupied structures where possible. Once the drilling and completion rigs leave the site, there will be no permanently installed lighting on site.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Oil-Based Drilling Fluids and Drill Cuttings Waste Management
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 is 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.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Odors Mitigation
Where possible, 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.
Great Western will be using a synthetic oil based drilling fluid called D822. Based upon laboratory analysis, the D822 contains lower levels of VOC and aromatics when compared to diesel. This will be used during the drilling phase in order to minimize any possible odors emitting from the site.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Material Handling and Spill Prevention
In accordance with COGCC Rule 1002.f.(2)A. & B., 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.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Storm Water Management Plans (SWMP)
Storm water controls will be constructed around the perimeter of the site prior to construction. Typically, GWOC 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.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Identification of P&A wells (Rule 604.c.(2)U
GWOC shall identify the location of the P&A wellbore with a permanent monument as specified in Rule 319.a.(5). The operator shall also inscribe or imbed the well number and date of plugging upon the permanent monument. P&A wellbores shall be cutoff well below ground surface in agricultural areas to provide for landowners to safely farm the reclaimed well area.
Development from existing well pads (Rule 604.c.(2)V
Where possible, GWOC shall provide for the development of multiple reservoirs by drilling on existing pads. GWOC strives to utilize multi-well pads wherever technically and economically practicable to minimize potential impacts to neighbors and the environment. Multi-well pads are not always feasible due to numerous possible issues including but not limited to; landowner requirements, topographic constraints, well bore reaches, setback requirements, etc.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Identification of P&A wells (Rule 604.c.(2)U
GWOC shall identify the location of the P&A wellbore with a permanent monument as specified in Rule 319.a.(5). The operator shall also inscribe or imbed the well number and date of plugging upon the permanent monument. P&A wellbores shall be cutoff well below ground surface in agricultural areas to provide for landowners to safely farm the reclaimed well area.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Well site cleared (Rule 604.c.(2)T
Within ninety (90) days after a well is plugged and abandoned, the well site shall be cleared of all non-essential equipment, trash, and debris.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Access Roads (Rule 604.c.(2)S
All access roads are designed, constructed, and maintained such that heavy equipment, including emergency response vehicles, can readily access and exit the location. The pad has all weather access roads to allow for operator and emergency response. In addition, GWOC will implement manual mud mitigation measures (eg. tracking control rock aprons) at location exits onto paved roads as necessary and in conjunction with county requirements.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Tank specifications (Rule 604.c.(2)R
All newly installed or replaced crude oil and condensate storage tanks shall be designed, constructed, and maintained in accordance with National Fire Protection Association (NFPA) Code 30 (2008 version). GWOC shall maintain written records verifying proper design, construction, and maintenance, and shall make these records available for inspection by the Director. Only the 2008 version of NFPA Code 30 applies to this rule.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Guy line anchors (Rule 604.c.(2)Q
Guy line anchors left buried for future use shall be identified by a brightly colored marker at least 4-feet in height and within 1-foot to the east of the anchor.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Load lines (Rule 604.c.(2)O
In any designated setback zone all load lines are capped or bull-plugged or locked shut to reduce the likelihood of a release occurring. In addition, GWOC places all load line receivers/valves inside secondary containment areas or in a proper load line containment device or both.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 | Control of Fire Hazards (Rule 604.c.(2)N
GWOC constructs and operates our facilities to meet state and API codes, as appropriate, including API RP 500 electrical classifications inside bermed areas. Any unused potentially flammable materials are moved a minimum distance of 25 feet from wellhead, tanks, and separator areas. Any stored flammable liquids will be a minimum distance of 50 feet from the wellhead. In the case where terrain and location configuration does not permit maintaining the distance, equivalent safety measures will be taken. In addition, GWOC implements a Hot Work Permit Program for employees and contractors doing any defined ‘Hot Work’ activities on GWOC locations.
|
| Drilling/Completion Operations | Form: (02A )
401088795
11/5/2017 |
Fencing requirements (Rule 604.c.(2)M
At a minimum GWOC installs appropriate fencing to restrict access by any unauthorized persons. This fencing may vary depending on site-specific situations, such as reasonable security, local government or surface owner concerns. Fencing will be properly noted on facility. Fencing will be properly noted on facility layout diagrams for both drilling/completion and the production phases of operations.
|