ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,382, issued on June 2, was assigned to ConocoPhillips Co. (Houston).
"Hydraulic integrity analysis" was invented by David D. Cramer (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An economical process in which cement sheath integrity, perforation cluster spacing and frac plug integrity can be assessed for every frac stage, potentially leading to improvements in stimulation, completion, cementing and drilling practices. It is based on analyzing wellbore pressure responses occurring at key segments of the wireline pump-down and perforating operation and correlating the results among multiple frac stages and wells in a field or play. A special ...