US Patent Issued to SCHLUMBERGER TECHNOLOGY on May 20 for "System, method and apparatus for estimating formation strength" (British, Norwegian Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,506, issued on May 20, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"System, method and apparatus for estimating formation strength" was invented by Harry James Cook (Cambridge, Great Britain), Kjell Haugvaldstad (Vanvikan, Norway) and Jonathan Dunlop (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided that calculate data representing an estimate of formation strength while drilling. The methods and systems employ a drill bit that is instrumented with a first sensor and a second sensor. A processor is configured to i) determine and store first data representing cutting force...