ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,021, issued on June 30, was assigned to Keller North America Inc. (Hanover, Md.). "Collapsible casing tightener and method of use" was inve... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,022, issued on June 30, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia). "Circulation sub with integrated flapper check v... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,023, issued on June 30, was assigned to WEATHERFORD TECHNOLOGY HOLDINGS LLC (Houston). "Real time flow rate and rheology measurement" was i... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,024, issued on June 30, was assigned to Halliburton Energy Services Inc. (Houston). "Systems and methods for determining radial drilling fl... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,025, issued on June 30, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas). "Dual flexible shaft apparatus for improved down... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,026, issued on June 30. "Mechanical release tool for downhole wireline" was invented by Jon Randall Rasmussen (Williston, N.D.) and Brandon... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,027, issued on June 30, was assigned to Paradigm Drilling Services Ltd. (Aberdeen, Great Britain). "Drill cuttings agitator" was invented b... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,028, issued on June 30, was assigned to Wellbore Integrity Solutions LLC (Houston). "Wellbore cleaning tools" was invented by Graham Strona... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,029, issued on June 30, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas). "Electrical accumulator system with internal tra... Read More
ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,030, issued on June 30, was assigned to Halliburton Energy Services Inc. (Houston). "Regulating distribution of injection and production fl... Read More