ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,871, issued on Aug. 5, was assigned to Landmark Graphics Corp. (Houston).
"Pack off indicator for a wellbore operation" was invented by Zhengchun Michael Liu (Sugar Land, Texas) and Robello Samuel (Cypress, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system can generate, via a software model, downhole pressure estimations and downhole debris estimations using caving parameters. Additionally, the system can generate, via the software model, settled caving volume percent estimations using the caving parameters. The system can determine a pack off volume percent using the downhole pressure estimations, the downhole debris estimations, and the...