US Patent Issued to SAUDI ARABIAN OIL on March 17 for "Implicit finite-difference method for reservoir identification" (Saudi Arabia Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,491, issued on March 17, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Implicit finite-difference method for reservoir identification" was invented by Hongwei Liu (Dhahran, Saudi Arabia) and Hussain J. Salim (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed. The method includes, for each of a plurality of spatial partial differential equations (sPDEs) within a wave equation, determining a linear system of equations using an approximate solution at a plurality of grid nodes. The linear system of equations includes an inverse matrix, a first vector, and a second vector. The m...