Closed loop system
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| A '''closed loop system''' consists of using a small waste-water processing system on the well site. It removes pollutants from the [[Hydro-fracturing|frac]] water as well as additional water that may also be present in the formation itself--all of which flows back up a well. Solids extracted from the water by this processing method are removed by truck to a waste treatment station for disposal. Treated water that remains after on-site processing may then be reused on a later frac job. | A '''closed loop system''' consists of using a small waste-water processing system on the well site. It removes pollutants from the [[Hydro-fracturing|frac]] water as well as additional water that may also be present in the formation itself--all of which flows back up a well. Solids extracted from the water by this processing method are removed by truck to a waste treatment station for disposal. Treated water that remains after on-site processing may then be reused on a later frac job. | ||
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| + | This method generally lowers total drilling cost, as well as the amount of water used and its cost. It contributes to higher drill rates which also provides a cost savings. | ||
Revision as of 03:52, 27 October 2008
A closed loop system consists of using a small waste-water processing system on the well site. It removes pollutants from the frac water as well as additional water that may also be present in the formation itself--all of which flows back up a well. Solids extracted from the water by this processing method are removed by truck to a waste treatment station for disposal. Treated water that remains after on-site processing may then be reused on a later frac job.
This method generally lowers total drilling cost, as well as the amount of water used and its cost. It contributes to higher drill rates which also provides a cost savings.
