US Patent Issued to Schlumberger Technology on July 21 for "Low-cost downhole gas lift system for non-gas lift tubing" (Australian Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,093, issued on July 21, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Low-cost downhole gas lift system for non-gas lift tubing" was invented by Alexander Trushin (Perth, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for gas lifting fluid in a well includes creating an opening at a first depth in a production tubing nested within a casing or liner in the well. A gas lift valve is deployed proximate the opening. A pump is deployed in the production tubing at a second depth shallower than the first depth. Gas is pumped into an annular space between the production tubing and the casing or liner so as to enter t...