US Patent Issued to SAUDI ARABIAN OIL on March 25 for "Method to determine drilling-induced rock damage" (Saudi Arabia, Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,857, issued on March 25, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Method to determine drilling-induced rock damage" was invented by Xuekai Sun (Beijing) and Christopher Ayadiuno (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for determining a drilling-induced rock damage map are disclosed. The method includes obtaining a sonic dataset, including sonic waveforms recorded at a plurality of source-receiver separations for a plurality of source positions along an axis of a wellbore. The method further includes determining a log of a first metric using the sonic dataset and determinin...