ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,617, issued on June 17, was assigned to Halliburton Energy Services Inc. (Houston).

"Integrated junction and deflector assembly for multilateral well control" was invented by Christopher A. Grace (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-bore junction assembly to be positioned in a multilateral well having a main wellbore and a lateral wellbore, wherein the multilateral well has an up-hole end and a downhole end, the multi-bore junction assembly comprises a deflector subassembly to be positioned at a junction between the main wellbore and the lateral wellbore. The deflector subassembly comprises a deflector sub that c...