ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,212, issued on May 6, was assigned to Halliburton Energy Services Inc. (Houston).

"Optimizing well placement to maximize exposed hydraulic fracture area in geothermal wells" was invented by Robert Barree (Lakewood, Colo.), Ronald Glen Dusterhoft (Houston) and Neil Alan Stegent (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of constructing an injection well for a geothermal energy system comprising determining a fracture area of an injection well with a curved wellbore by inputting the curved wellbore path, a set of formation properties, and a fracturing operation, into a fracturing model. The curved wellbore path can promote fractu...