Oil and Gas at Your Door? (2005 Edition) - Earthworks
Oil and Gas at Your Door? (2005 Edition) - Earthworks
Oil and Gas at Your Door? (2005 Edition) - Earthworks
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STAGES OF OIL & GAS DEVELOPMENT<br />
• <strong>Oil</strong>, gas, <strong>and</strong> salt w<strong>at</strong>er can leak from ab<strong>and</strong>oned, unplugged, or improperly plugged oil <strong>and</strong><br />
gas wells, especially older wells, <strong>and</strong> pollute groundw<strong>at</strong>er resources, 148 or migr<strong>at</strong>e to the surface.<br />
In Colorado, <strong>Oil</strong> <strong>and</strong> <strong>Gas</strong> Conserv<strong>at</strong>ion Commission (COGCC) staff believe th<strong>at</strong><br />
increased methane concentr<strong>at</strong>ions found in w<strong>at</strong>er wells <strong>and</strong> buildings in some areas are<br />
partially due to old, improperly ab<strong>and</strong>oned gas wells <strong>and</strong> older, deeper conventional gas<br />
wells th<strong>at</strong> were not completely isol<strong>at</strong>ed. According to COGCC officials, a mitig<strong>at</strong>ion program<br />
focused on sealing old, improperly ab<strong>and</strong>oned gas wells appears to have reduced methane<br />
concentr<strong>at</strong>ions in approxim<strong>at</strong>ely 27 percent of the w<strong>at</strong>er wells sampled. 149<br />
• Additionally, improperly closed sites can be a safety hazard to humans <strong>and</strong> livestock.<br />
Tips for L<strong>and</strong>owners<br />
• Surface owners should work with st<strong>at</strong>e agencies to ensure th<strong>at</strong> ab<strong>and</strong>onment is s<strong>at</strong>isfactorily<br />
completed.<br />
• Owners may want to consider pressuring companies to use n<strong>at</strong>ive species in their re-seeding<br />
projects, as these may be better able to comb<strong>at</strong> noxious weed species.<br />
• The company should have saved topsoil during the drilling <strong>and</strong> production stages for use in<br />
their reclam<strong>at</strong>ion efforts.<br />
• Almost all st<strong>at</strong>es require companies to set aside funds to properly plug <strong>and</strong> ab<strong>and</strong>on their<br />
wells. There is more inform<strong>at</strong>ion on financial assurance (or bonding) in Chapter II.<br />
Ideally, full reclam<strong>at</strong>ion<br />
should leave veget<strong>at</strong>ion,<br />
soil, air <strong>and</strong> w<strong>at</strong>er in the<br />
same condition th<strong>at</strong><br />
existed prior to oil <strong>and</strong><br />
gas development.This<br />
rarely occurs.<br />
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