ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,922, issued on Dec. 23, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Connection device for casing stubs" was invented by Salahaldeen Saleh Almasmoom (Dammam, Saudi Arabia), Mohammad Baqer Al-Ali (Al Khobar, Saudi Arabia) and Faris Abdullah Al Qahtani (Buqayq, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connection device includes an inverted polished bore housing for receiving a casing stub in a wellbore and a sealing assembly for connected the connection device to the casing stub. The inverted polished bore housing extends from an open first end of the connection device and includes a connection surface and a smo...