ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,294, issued on Jan. 20, was assigned to Completion Products Pte Ltd (Singapore).

"Selective extraction system and method" was invented by Graeme Dowsett (Singapore), Anush Rajaram (Singapore) and Prabhakaran Lakshmanan (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An extraction system for extracting hydrocarbons from a well is provided. The system comprises an extraction string. The extraction string comprises a plurality of screen assemblies. The screen assemblies comprises screens positioned about a base pipe. The extraction system further comprises a plurality of fluid isolation devices arranged to divide the extraction string into zo...