ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,978, issued on July 29, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Electric submersible pump systems" was invented by Arthur Ignatius Watson (Sugar Land, Texas) and Jose Angel Caridad Urena (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protector for an electric submersible pump includes a plurality of chambers, with adjacent or consecutive pairs of chambers coupled, e.g., fluidly coupled, via a series or parallel body. The body defines two separate hydraulic circuits, which allows for the inclusion of a shaft seal, even when the body couples consecutive chambers in a parallel configuration or couples to a thrust ...