US Patent Issued to Saudi Arabian Oil on Oct. 14 for "Method for tracing subterranean formations with oil-soluble organic molecular tracers and extracting them of from oil phases" (Massachusetts Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,821, issued on Oct. 14, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Method for tracing subterranean formations with oil-soluble organic molecular tracers and extracting them of from oil phases" was invented by Wei Wang (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Functionalized fluorescent tracers, compositions, and methods for extracting the functionalized fluorescent tracers from oil phases and other wellbore or drilling fluids are provided. In some implementations, a sorbent for extracting tracer molecules from a fluid includes a silica-based sorbent. The silica-based sorbent includes a hydrophobic function...