ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,157, issued on June 17, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Methods and systems for determining reservoir and fracture properties" was invented by Otto Meza Camargo (Dhahran, Saudi Arabia), Tariq Mahmood (Dhahran, Saudi Arabia), Khalid Hawas (Dhahran, Saudi Arabia) and Antonio Santagati (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for determining pore-volume of a fracture in a core plug. The method includes developing a grid block model constrained by fracture porosity estimated from a mechanical laboratory test, aperture calculation, and discrete fracture model validation. The...