US Patent Issued to SAUDI ARABIAN OIL on April 14 for "Method to determine API gravity of sulfur-rich marine oils using aromatic compound chemistry" (Texas Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,731, issued on April 14, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Method to determine API gravity of sulfur-rich marine oils using aromatic compound chemistry" was invented by Poorna Srinivasan (Houston), David Jacobi (Houston) and Estefania M. Endara Arguello (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of determining an API gravity of a crude oil includes obtaining a reservoir sample containing the crude oil, separating an aromatic fraction from the reservoir sample, analyzing the aromatic fraction using a gas chromatography mass spectrometry (GC-MS) instrument, determining peak areas and a ratio of ...