| Planning | Form: (02A ) 400697933 12/23/2014 | Dewatering well (Receipt: 3645126, Permit#: 69097-F-) located in northern portion of pad will
be protected by use of barriers to allow continued function of well during operations. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)E. Multiwell Pads.
Planning:
• This location includes 4 pads and 1 Production Facility totaling 23 new
wells to reduce surface impact.
• Noble has a signed agreement that includes 23 Wells (multi- well pads) and a production facility to be located within one area of disturbance. Within the area of disturbance, Noble has located the Edge of the Production Facility to be greater than 1,000’ from any Building Units. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)1. BOPE testing for drilling operations.
Planning:
• Upon initial rig-up and at least once every thirty (30) days during drilling
operations thereafter, pressure testing of the casing string and each
component of the blowout prevention equipment including flange
connections shall be performed to seventy percent (70%) of working
pressure or seventy percent (70%) of the internal yield of casing, whichever
is less. Pressure testing shall be conducted and the documented results
shall be retained by the operator for inspection by the Director for a period
of one (1) year. Activation of the pipe rams for function testing shall be
conducted on a daily basis when practicable. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)J. BOPE for well servicing operations.
Planning:
• Adequate blowout prevention equipment shall be used on all well servicing
operations.
• Backup stabbing valves shall be required on well servicing operations
during reverse circulation. Valves shall be pressure tested before each well
servicing operation using both low-pressure air and high-pressure fluid. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)L. Drill stem tests.
Planning:
• Closed chamber drill stem tests shall be allowed. All other drill stem tests
shall require approval by the Director. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)U. Identification of plugged and abandoned wells.
Planning:
• The operator shall identify the location of the well bore 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. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)V. Development from existing well pads.
Planning:
• Where possible, operators shall provide for the development of multiple
reservoirs by drilling on existing pads or by multiple completions or
commingling in existing wellbores {see Rule 322). If any operator asserts it
is not possible to comply with, or requests relief from, this requirement, the
matter shall be set for hearing by the Commission and relief granted as
appropriate. |
| Planning | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)W. Site-specific measures.
Planning:
• Earthen ditch and berm will be used around the drilling rig pads. Drill rig
lights will be positioned facing down and light plants will be pointed away
from Building Unit owners. |
| Traffic control | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)D. Traffic Plan.
Traffic Control:
If required by the local government, a traffic plan will be coordinated with the
local jurisdiction prior to commencement of operations.
Temporary operations- Dust suppression (water trucks) will be used on the
access roads and pads during construction, drilling, and completion activities.
The surrounding State Highway and County Roads are paved and will not require
dust mitigation. |
| General Housekeeping | Form: (02A ) 400697933 12/23/2014 | 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 stormwater 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 of trash and discarded materials will be conducted at the end of each work day. Cleanup will consist 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. |
| General Housekeeping | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)P. Removal of surface trash.
General Housekeeping:
• All surface trash, debris, scrap or discarded material connected with the
operations of the property shall be removed from the premises or disposed
of in a legal manner. |
| General Housekeeping | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)T. Well site cleared.
General Housekeeping:
• 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. For good
cause shown, an extension of time may be granted by the Director. |
| Storm Water/Erosion Control | Form: (02A ) 400697933 12/23/2014 | Stormwater management plans (SWMP) are in place to address construction, drilling and operations associated with Oil & Gas development throughout the state of Colorado in accordance with Colorado Department of Public Health and Environment (CDPHE) General Permit No. COR- 038637. 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 and maintained until the pad reaches final reclamation. |
| Storm Water/Erosion Control | Form: (02A ) 400697933 12/23/2014 | Best Management Practices will be employed to protect Crow Creek, located along the southern border of this proposed Colt A13-611 Multi Location, from storm water run-off and spills. Noble will construct a steel berm and liner around the South edge of the pad adjacent to Crow Creek. |
| Material Handling and Spill Prevention | Form: (02A ) 400697933 12/23/2014 | Spill Prevention Control and Countermeasures (SPCC) plans are in place to address any possible spill associated with Oil & Gas operations throughout the state of Colorado in accordance with CFR 112. |
| Material Handling and Spill Prevention | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)F. Leak Detection Plan.
Material Handling and Spill Prevention:
• Noble Energy Inc. designs facilities 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
facility 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. |
| Material Handling and Spill Prevention | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)K. Pit level indicators.
Material Handling and Spill Prevention:
• Due to using a closed loop system pits will not be used. |
| Material Handling and Spill Prevention | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)N. Control of fire hazards.
Material Handling and Spill Prevention:
• Any material not in use that might constitute a fire hazard shall be removed
a minimum of twenty-five (25) feet from the wellhead, tanks and separator.
Any electrical equipment installations inside the bermed area shall comply
with API RP 500 classifications and comply with the current national
electrical code as adopted by the State of Colorado. |
| Construction | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)G. Berm construction.
Construction:
• Berms or other secondary containment devices in Designated Setback
Locations shall be 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. Berms or other secondary containment
devices shall be sufficiently impervious to contain any spilled or released
material. All berms and containment devices shall be 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. |
| Construction | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)M. Fencing requirements.
Construction:
• Surface Owner has requested that the disturbed area not be fenced. |
| Construction | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)R. Tank specifications.
Construction:
• 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). The
operator 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. This rule does not include later amendments to, or editions of,
the NFPA Code 30. NFPA Code 30 may be examined at any state
publication depository library. Upon request, the Public Room
Administrator at the office of the Commission, 1120 Lincoln Street, Suite
801, Denver, Colorado 80203, will provide information about the publisher
and the citation to the material. |
| Construction | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)S. Access roads.
Construction:
• At the time of construction, all leasehold roads shall be constructed to
accommodate local emergency vehicle access requirements, and shall be
maintained in a reasonable condition. NEI plans on building ingress and
egress points off of State Highway 392 and Weld County Road 68 for
Drilling and Completion activities. |
| Noise mitigation | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)A. Noise.
Noise Mitigation:
• Temporary operations- Baseline survey was completed, Engineered
sound walls (16' tall) will be used along the South and West side of the
permitted area. The use of equipment specific sound walls might be
required around the rig generators in the event of sound impacts during
operations.
• Permanent facility- Additional permanent location/equipment sound
mitigation will be determined following sound surveys performed after
facility startup. |
| Emissions mitigation | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2).C. Green Completions - Emission Control Systems.
Emissions Mitigation:
• Flow lines, separators, and sand traps capable of supporting green
completions as described in Rule 805 shall be installed at any Oil and Gas
Location at which commercial quantities of gas are reasonably expected to
be produced based on existing adjacent wells within 1 mile.
• Uncontrolled venting shall be prohibited in an Urban Mitigation Area.
• Temporary flowback flaring and oxidizing equipment shall include the
following:
o Adequately sized equipment to handle 1.5 times the largest flowback
volume of gas experienced in a ten (10) mile radius;
o Valves and porting available to divert gas to temporary equipment or
to permanent flaring and oxidizing equipment; and
o Auxiliary fuel with sufficient supply and heat to sustain combustion
or oxidation of the gas mixture when the mixture includes noncombustible
gases. |
| Drilling/Completion Operations | Form: (02A ) 400697933 12/23/2014 | COGCC Rule 604.c.(2)B. Closed Loop Drilling Systems - Pit Restrictions.
Drilling/Completion Operations:
• Closed loop drilling systems are required within the Buffer Zone Setback.
• Pits are not allowed on Oil and Gas Locations within the Buffer Zone
Setback, except fresh water storage pits, reserve pits to drill surface
casing, and emergency pits as defined in the 1 00-Series Rules.
• Fresh water pits within the Exception Zone shall require prior approval of a
Form 15 pit permit. In the Buffer Zone, fresh water pits shall be reported
within 30-days of pit construction.
• Fresh water storage pits within the Buffer Zone Setback shall be
conspicuously posted with signage identifying the pit name, the operator's
name and contact information, and stating that no fluids other than fresh
water are permitted in the pit. Produced water, recycled E&P waste, or
flowback fluids are not allowed in fresh water storage pits.
• Fresh water storage pits within the Buffer Zone Setback shall include
emergency escape provisions for inadvertent human access. |