ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,095, issued on May 19.

"Full drift through a gas lift injection packer assembly" was invented by Andrew Poerschke (Houston) and Paul Treavor Roberts (Longmont, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas lift injection packer assembly, a gas lift injection system that includes the assembly, and methods utilizing the assembly and system. The gas lift injection packer assembly includes a top sub, a packer coupled to the top sub, a bottom sub coupled to the packer, a sleeve disposed within the top sub, the packer, and the bottom sub. The inner diameters of the components of the gas lift injection packer assembly form a continuous passage ...