US Patent Issued to SCHLUMBERGER TECHNOLOGY on April 7 for "Efficient surface and downhole heating of injected carbon dioxide" (Massachusetts, Texas Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,719, issued on April 7, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Efficient surface and downhole heating of injected carbon dioxide" was invented by Terizhandur S. Ramakrishnan (Cambridge, Mass.) and Ozgur Senel (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for injection of CO2 in high-temperature reservoirs, where preheating of the injected stream is necessary. The process comprises producing hot water from a distant well, using the produced hot water in a surface heat exchanger for heating CO2. Alternatively, the produced hot water may be used in a wellbore heat exchanger to heat the incoming CO2 as a ...