| Planning | Form: (02 )
400437543
8/15/2013 | * Maximize the utility of surface facilities by developing multiple wells from a single pad (directional drilling), and by co-locating
multipurpose facilities (for example, well pads and compressors) to avoid unnecessary habitat fragmentation and disturbance
of additional geographic areas.
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| General Housekeeping | Form: (02 )
400437543
8/15/2013 | Although this location is located within 500 ft. of perennial, ephemeral, or intermittent surface water according to USGS mapped surface waters, the attached Sensitive Area Determination concludes that the location is not within a sensitive area due to the low potential for impacts to surface water in the case of a facility release. However, in order to satisfy COGCC guidance requiring that all locations within 500 ft. of mapped surface water incorporate BMPs to protect that surface water, Williams will employ the following BMPs at this location:
• Williams will ensure 110 percent secondary containment for any volume of fluids contained at well site during drilling and completion operations.
• Williams will implement best management practices to contain any unintentional release of fluids.
• Either a lined drilling pit or closed loop system will be implemented.
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| Drilling/Completion Operations | Form: (02 )
400437543
8/15/2013 | * Conduct well completions with drilling operations to limit the number of rig moves and traffic. |
| Interim Reclamation | Form: (02 )
400437543
8/15/2013 | * Use only certified weed-free native seed in seed mixes, except for non-native plants that benefit wildlife
* WPX Energy will use certified, weed free grass hay, straw, hay or other mulch materials used for the reseeding and
reclamation of disturbed areas.
* Install exclusionary devices to prevent bird and other wildlife access to equipment stacks, vents and openings.
* Reduce visits to well-sites through remote monitoring (i.e. SCADA) and the use of multi-function contractors.
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