ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,077, issued on March 31, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Time domain stacking of acoustic dipole LWD measurements" was invented by Denis Syresin (Sugar Land, Texas) and Naoki Sakiyama (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for acoustic logging a wellbore includes making a plurality of directional sonic logging measurements while rotating an acoustic logging tool in a wellbore. A plurality of orthogonal pairs of measurements are identified among the measurements. Each of the orthogonal pairs includes a first measurement having a measured angle of a transmitter firing direction that is...