In 2015, we undertook the effort to prove this technology is applicable in the Delaware basin of Texas. A pioneering partnership took place with the Texas Railroad Commission, The Agrilife group at Texas A&M University, Gibson Energy, and Andarko Petroleum.
Because current laws in Texas prohibit reuse of treated produced water as a recyclable product for agricultural use, safe disposal of produced water is of significant concern, as is the conservation of water resources in areas experiencing severe shortages. EWS technology has effectively met both needs in other states (e.g. Colorado) but is unable to do so in Texas due to current legislation.
A project at the strategically placed Pecos AgriLife Research and Extention Center used EWS treated water to irrigate a crop of non-commercial cotton. EWS coordinated with a coalition of key players to move a treatment plant from the Eagle Ford to the the Delaware Basin capable of treating produced water from oil and gas production. Anadarko Petreleum supplied produced water directly from a nearby well pad. That water was processed through the EWS treatment plant to generate recycled water held to the tightest possible quality thresholds for agricultural use. Gibson Energy donated storage logistics to secure the raw and treated produced water during treatment and prior to land application for the non-commercial cotton crop. A control crop was also grown, using fresh water from the facilities standard irrigation well. Soil and crop samples were measured for various parameters. The chemistry of inlet water and irrigation water has undergone analysis and consistently met irrigation quality requirements.
New technology has made it possible to unify energy production and water conservation. The strictest regulatory commission in the state of Texas has chosen to work with us to prove this process is safe and effective. Now it is time to bring legislation up to date.
Join us in the fight to identify clear beneficial reuse standards and make recycled produced water available for direct discharge or agricultural applications.
Want to learn more? Download these:
Texas A&M AgriLife: Crop science of growing cotton with recycled produced water (Available January 2016)
MWH Global: Economic and Technical feasibility of using recycled produced water to grow cotton. (Available January 2016)
Energy Water Solutions obtains permit from the Railroad Commission to test recycled produced water for agricultural use (Download the Report)
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