ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,693, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston).
"Splined/grooved 2 piece bit assembly" was invented by Andre Storskjaer (Stavanger, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a two part drilling and running tool, a downhole tool, a well system, and a method for forming a well system. The two part drilling and running tool, in at least one aspect, includes a smaller assembly coupled to an end of a conveyance, the smaller assembly having a spline or slot located along an entire length (LS) thereof. The two part drilling and running tool, in accordance with this aspect, further includes a large...