US Patent Issued to Thru Tubing Solutions on April 29 for "Methods and devices for casing and cementing wellbores" (Oklahoma Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,854, issued on April 29, was assigned to Thru Tubing Solutions Inc. (Newcastle, Okla.).

"Methods and devices for casing and cementing wellbores" was invented by Roger L. Schultz (Ninnekah, Okla.), Timothy W. Manke (Blanchard, Okla.) and Andrew M. Ferguson (Oklahoma City).

According to the abstract* released by the U.S. Patent & Trademark Office: "A casing string is augmented with one or more variable flow resistance devices or "vibrating tools" to facilitate advancement of the casing and distribution of the cement in the annulus once the casing is properly positioned. Vibrating tools in the form of plugs can be pumped down and landed inside the casing string. The method includes v...