US Patent Issued to SCHLUMBERGER TECHNOLOGY, SAUDI ARABIAN OIL on March 25 for "Methods for predicting and monitoring downhole salinity variations" (Saudi Arabia, American Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,517, issued on March 25, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas) and SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Methods for predicting and monitoring downhole salinity variations" was invented by Gong Li Wang (Sugar Land, Texas), Wael Abdallah (Sugar Land, Texas), Shouxiang Ma (Dhahran, Saudi Arabia) and Sherif Ghadiry (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for characterizing connate water salinity and resistivity of a subsurface formation. Well log data including resistivity and spontaneous potential (SP) log data are measured by at least one downhol...