| Material Handling and Spill Prevention | Form: (02 )
400339866
3/15/2013 | Material Handling and Spill Prevention (SPCC)
Spill Prevention Control and Countermeasures (SPCC) plans are in place to address any possible spills associated with Oil and Gas operations throughout the state of Colorado in accordance with CFR 112.
In accordance with COGCC Rule 1002.f.(2)A. & B., shall provide a designated storage area for dry bulk chemicals and miscellaneous fluids. The storage area shall be covered to prevent contact of precipitation with chemicals, shall be elevated above storm- or standing water, and shall provide sufficient containment to prevent release of spilled fluids or chemicals from impacting soil, surface water or groundwater and will prevent the co-mingling of spilled fluids or chemicals with other E & P Waste.
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| Storm Water/Erosion Control | Form: (02 )
400339866
3/15/2013 | Storm Water Management Plans (SWMP)
Storm Water Management Plans (SWMP) are in place to address construction, drilling and operations associated with Oil and Gas development throughout the state of Colorado in accordance with Colorado Department of Public Health and Environment (CDPHE). BMP’s will be constructed around the perimeter of the site prior to, or at the beginning of construction. BMP’s used will vary according to the location, and will remain in place until the pad reaches final reclamation.
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| General Housekeeping | Form: (02 )
400339866
3/15/2013 | 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 prompt cleanup is required 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 and promptly.
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| Site Specific | Form: (02 )
400339866
3/15/2013 | Sensitive Area
The location has been deemed a sensitive area because of the presence of permeable subsurface material and shallow ground water. The tank battery will be constructed with a liner sufficiently impermeable to prevent produced fluids from impacting the ground water.
This location is in a sensitive area due to the shallow ground water and the proximity to surface water. Therefore Great Western Oil & Gas will not have flow back or production pits at this location. Berm will be constructed sufficient to protect the location and recreational pond east of the location from any release of completion or produced fluids and chemical products.
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| Drilling/Completion Operations | Form: (02 )
400339866
3/15/2013 | Noise and Light Pollution Mitigation
Noise levels will be maintained at levels not to exceed COGCC specifications currently in existence, measured at a point 350’ from the noise source, or as defined by current COGCC regulations. Where possible, drilling rig engine exhaust will be vented away from occupied buildings. Light sources will likewise b3 directed downwards and away from occupied buildings. Light sources will likewise be directed downwards, and away from occupied structures where possible. No special noise mitigation efforts should be required at this site. Once the drilling and completion rigs leave the site, there will be no permanently installed lighting on site. In addition a sound barrier around the vapor recovery compressors will be installed.
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| Site Specific | Form: (02 )
400339866
3/15/2013 | Town of Windsor
Great Western is aware of the Conditional Use Grant process with the Town of Windsor and will comply with such process and COA’s in addition to the granting of the COGCC permit. In addition to the CUG process Great Western will implement the following for this location:
1. Traffic associated with drilling, completion, and production activities shall be limited to a reasonable speed and posted signs.
2. Appropriate signs for crossing the Poudre Trail for the safety of the town users of the trail and the vehicles crossing.
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| Drilling/Completion Operations | Form: (02 )
402080773
5/18/2021 | Drill stem tests Rule 603.g
Conventional drill stem tests will not be conducted on DJ Basin horizontal wells currently being executed or planned by Great Western. If plans change in the future a well specific drill stem testing plan will be prepared for that particular well. Note that Great Western may elect to use one of several available wireline deployed tools for the purpose of measuring down hole formation pressures and/or collecting down hole fluid samples from the target formation(s) of a particular well.
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| Drilling/Completion Operations | Form: (02 )
402080773
5/18/2021 | Wellbore Collision Prevention – Rule 408.t
Prior to drilling operations, Great Western will perform an anti-collision scan of existing offset wells that have the potential of being within close proximity of the proposed well. This anti-collision scan will include definitive MWD or gyro surveys of the offset wells with included error of uncertainty per survey instrument and compared against the proposed well path with its respective error of uncertainty. If current surveys do not exist for the offset wells, Operator may have gyro surveys conducted to verify bottom hole location. The proposed well will only be drilled if the anti-collision scan results indicate that there is not a risk for collision, or harm to people or the environment. Operator will perform anti-collision evaluation of all active (Producing, Shut In, or Temporarily Abandoned) offset wellbores that have the potential of being within 150’ of a proposed well prior to drilling operations for the proposed well. Notice shall be given to all offset operators prior to drilling.
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| Drilling/Completion Operations | Form: (02 )
402080773
5/18/2021 | Stimulation Setback – Rule 408.u
Great Western shall obtain signed written consent for any portion of the proposed wellbore’s treated interval within 150’ of an existing (producing, Shut-in, or temporarily abandoned) or permitted oil and gas well’s treated interval belonging to another operator prior to completion of the well.
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| Drilling/Completion Operations | Form: (02 )
402080773
5/18/2021 | Multi Well Open-Hole Logging – Rule 408.r
Alternative Logging Program: 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 state “Alternative Logging Program - No open-hole logs were run” and shall clearly identify the type of log and the well (by API#) in which open-hole logs were run.
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| Drilling/Completion Operations | Form: (02 )
402080773
5/18/2021 | Bradenhead Monitoring – Rule 419
Great Western will comply with Rule 419 and Order 1-232 for all Bradenhead compliance, as applicable.
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