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Water Sources Oil and Gas Well Construction in Colorado

Water Sources Oil and Gas Well Construction in Colorado. Topics. Water needs for hydraulic fracturing in Colorado Water sources for hydraulic fracturing in Colorado. Water Demands in Colorado. Hydraulic Fracturing Demand per Well. Amount of water used per well

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Water Sources Oil and Gas Well Construction in Colorado

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  1. Water SourcesOil and Gas Well Construction in Colorado

  2. Topics • Water needs for hydraulic fracturing in Colorado • Water sources for hydraulic fracturing in Colorado

  3. Water Demands in Colorado

  4. Hydraulic Fracturing Demand per Well • Amount of water used per well • 1-5 million gallons per well (3-15 acre-feet1) • More water used for horizontal drilling • 80 percent of wells (in Colorado) now use horizontal drilling 1. An acre-foot is approximately equal to 326,000 gallons. Typically, an acre-foot is enough water for 2-3 households for a year.

  5. What Does This Mean to Colorado’s Limited Water Resources? • What is the total amount used annually for fracking? • How does this compare to other uses of water in Colorado?

  6. Statewide Fracking Water Use Consider the order of magnitude • Future trends are difficult to predict Actual Source: COGCC 2013

  7. Colorado Water Diversions • Total annually (all uses) = 16,400,000 ac-ft • Agriculture = 14,000,000 ac-ft • Municipal and Industrial = 1,200,000 ac-ft • All others combined = 1,200,000 ac-ft • Hydraulic fracturing ≈ 14,000 ac-ft • diversions, not consumption

  8. What Does This Mean to Colorado’s Limited Water Resources? • Why are we looking at it in relative terms? • Is this a value judgment?

  9. Water Sources Hydraulic Fracturing

  10. Water must be legally allowed Leased or purchased irrigation water (surface water) Must be changed, public process Municipal lease/purchase (industrial uses) Raw or treated water Effluent New diversion, in priority Tributary ground water (requires augmentation) Denver Basin nontributary ground water Other nontributary ground water Produced water Recycled Potential Sources

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