US Patent Issued to Schlumberger Technology on Oct. 7 for "Methods for shortening waiting-on-cement time in a subterranean well" (American, Russian Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,597, issued on Oct. 7, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Methods for shortening waiting-on-cement time in a subterranean well" was invented by Dominic Perroni (Houston), Bipin Jain (Sugar Land, Texas), Anatoly Vladimirovich Medvedev (Moscow), Carlos Abad (Houston) and Christopher Daeffler (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for shortening the waiting-on-cement (WOC) time during primary and remedial cementing operations are disclosed. A fluid pill is injected into the wellbore that comprises reactants. The reaction is exothermic and heat is conducted into the cement sheath, thereb...