US Patent Issued to SAUDI ARABIAN OIL on Feb. 10 for "Methods and systems for predicting lithology and formation boundary ahead of the bit" (Saudi Arabia, Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,216, issued on Feb. 10, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Methods and systems for predicting lithology and formation boundary ahead of the bit" was invented by Christopher Ayadiuno (Dhahran, Saudi Arabia), Yupeng Li (Beijing) and Saeed Shahrani (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes drilling a wellbore in a current well. An interval of the wellbore comprises a first portion of the wellbore and a second portion of the wellbore. The method also includes obtaining an offset drilling log and an offset lithology log for a geologically similar interval in an offset well and...