ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,985, issued on Jan. 27, was assigned to Borehole Seismic LLC (Houston).

"Monitoring and perforating system and method combining plug and perforation operation with distributed acoustic sensing" was invented by Aaron Janssen (Houston), Phillip Chen (Houston) and Robinson Butler Howell (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for treating a plurality of adjacent wells having casing includes a wireline, perforating equipment, and a fiber-optic interrogator. The wireline has at least one optical fiber disposed along its length. At least one optical fiber is configured as a distributed acoustic sensor. The perforating equipment in...