ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,045, issued on Jan. 27.
"Apparatus and method for generating electricity from the natural flow of a gas well" was invented by Walker Colt (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An energy harvesting system for use in a production line from a wellhead. The energy harvesting system captures the energy otherwise lost when reducing the pressure of production fluid from a wellhead to match that of a sales line. The system utilizes the flow of production fluid to drive a turbine and operate a powered unit (e.g., a generator). A magnetic coupling converts the rotary motion of the turbine shaft to rotary motion of the drive shaft of the powe...