The contract calls for EES to provide its environmental services for a minimum of two years with a maximum of five years.

Ecosphere Energy Services President, Dennis McGuire said, During our recent pilot program in the Fayetteville Shale, we demonstrated that our EcosFrac technology is effective killing bacteria at the volumes and rates required during hydraulic fracturing without the use of chemical biocides. We are pleased to be working with Southwestern Energy to assist them in their ongoing operations to reduce completion costs and to protect the environment in which they work.

Ecosphere Technologies is a US-based water engineering and services company.

Southwestern Energy Company is a US-based independent energy company primarily focused on the exploration and production of natural gas.