University of Colorado at Boulder
BMP of Oil and Gas Development

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BMP ID: 8959
Title: Closed-loop or Modified Closed-loop Systems for Pits
Text: "2. Operator's Pit Practices within the County. The Operator will comply, at a minimum, with the following pit practices, after the date of this MOU: a. No Open Pits / Preferred Option: It is the intent of the County that operators utilize closed-loop or modified closed-loop systems for drilling and completion operations in order to minimize or eliminate the need for earthen pits; ... Permitted modified closed-loop systems include oil and gas wells where air or fresh water is used to drill through the surface casing interval, defined as fifty (50) feet below the depth of the deepest aquifer, and a closed loop system is used for the remainder of the drilling and/or completion or recompletion procedures."
Source Publication Name: Memorandum of Understanding between Adams County and Oil and Gas Operators, 2015
Citation Section:
Citation Page: 2
Supplemental Documents:  
Usage Type: Required
Timing: • Drilling
Oil / Gas Field:  
Surface Ownership: • Federal
• State
• Private
Mineral Ownership: • Federal
• State
• Private
Primary Contact: Adams County Attorney
4430 S. Adams County Pkwy
Brighton, Colorado  80601-8206  United States
Phone:720-523-6116     Alt. Phone:
Fax:720-523-6114     E-mail: 
Alternate Contact: Adams County Planning and Development Department
4430 S Adams County Pkwy
Brighton, CO  80601  United States
Phone:720-523-6800     Alt. Phone:
Fax:720-523-6998     E-mail: 
Categories: Land Surface Disturbance
Location: Colorado
Vegetation Types:
• Suburban / urban
General Comments: Local Government - Operator MOU
Cost-Benefit Analysis:
BMP Efficacy:
Date Entered: 2015-12-24 08:46 UTC
Last Updated: 2016-07-12 09:42 UTC