US Patent Issued to Schlumberger Technology on Sept. 15 for "Systems and methods for estimating depth of wellbore survey measurements" (Norwegian, American Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,980, issued on Sept. 15, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Systems and methods for estimating depth of wellbore survey measurements" was invented by Onyemelem Jegbefume (Katy, Texas), Adrian Guillermo Ledroz (Katy, Texas) and Jon Bang (Sandsli, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating depth of a survey tool during a wellbore survey, the method comprising dropping the survey tool inside a drill pipe placed in a wellbore, generating, by an accelerometer included in the survey tool, a measurement signal as the survey tool moves through the drill pipe, identifying a first group of s...