ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,869, issued on May 27, was assigned to Halliburton Energy Services Inc. (Houston).
"Two-part drilling and running tool" was invented by Borisa Lajesic (Stavanger, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a two part drilling and running tool, a well system, and a method for forming a well system. The two part drilling and running tool, in one aspect, includes a conveyance, and a smaller assembly coupled to an end of the conveyance. The two part drilling and running tool, in accordance with this aspect, further includes a larger bit assembly slidably coupled to the conveyance, the smaller assembly and larger bit assembly confi...