US Patent Issued to Schlumberger Technology on Aug. 11 for "Multi-casing evaluation using multi-frequency, non-collocated, induction measurements" (Massachusetts Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,060, issued on Aug. 11, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Multi-casing evaluation using multi-frequency, non-collocated, induction measurements" was invented by Saad Omar (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques and apparatus for evaluating sensor placement and frequency selection for an electromagnetic inspection tool, and determining casing count and casing sizes in a multi-casing well are described. The electromagnetic inspection tool includes a transmitter and multiple receivers configured to operate at one or more frequencies. Each receiver is located at a different spacing fr...