More Lower 48 producers and increasingly, midstream operators, are looking to Project Canary to earn environmental certification for their natural gas supplies.

Related entities Tug Hill Operating LLC and XcL Midstream Operating LLC, which principally operate in West Virginia’s Marshall and Wetzel counties, have partnered to gain the responsibly sourced gas (RSG) designation across all of their upstream and midstream operations. Earlier this year, privately held exploration and production (E&P) company Tug Hill launched a pilot in which 45 wells were certified through Project Canary’s TrustWell system.

“The partnership between Tug Hill and XcL means, for the first time, gas purchasers will have the opportunity to buy RSG that has been TrustWell certified from the wellhead to...