US Patent Issued to SAUDI ARABIAN OIL on Sept. 2 for "Displacement opening cone for cementing operations" (Saudi Arabia Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,742, issued on Sept. 2, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Displacement opening cone for cementing operations" was invented by Dautmammet Rejepov (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An opening cone for a mechanical stage collar is used during a cementing operation in a wellbore. The mechanical stage collar includes ports activated by the opening cone. The opening cone includes a cylindrical midsection and a conical end section defining a hollow path through the opening cone and a ball suspended in a cage in the cylindrical midsection between a first profile with a first set of ribs a...