The U.S. Department of Energy (DOE) is proposing to provide federal funding to Welltec, Inc. to design, develop, manufacture, and test metal annula…
Office of NEPA Policy and Compliance
September 15, 2022
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The U.S. Department of Energy (DOE) is proposing to provide federal funding to Welltec, Inc. to design, develop, manufacture, and test metal annular barriers for zonal isolation. An existing annular barrier, the Welltec Annular Barrier (WAB), would be modified with a metal seal design to enable its use in geothermal application temperatures.