ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,880, issued on April 29, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Methods and systems for characterizing properties of reservoir rock" was invented by Ravinath Kausik Kadayam Viswanathan (Sharon, Mass.), Shin Utsuzawa (Sugar Land, Texas), Kamilla Fellah (Somerville, Mass.), Shawn David Taylor (Reading, Mass.), MaryEllen Loan (Quincy, Mass.) and Paul Ryan Craddock (Scituate, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided that combine NMR and IR spectroscopy measurements on a rock sample to determine data representing at least one property of the rock sample. In one embodiment, cuttings ...