ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,841, issued on Sept. 23, was assigned to Halliburton Energy Services Inc. (Houston).
"Downhole sleeves and magnetic assemblies" was invented by Minh Dang Nguyen (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole sleeve includes a cylindrical housing having a hollow interior, the cylindrical housing configured to slide around a component. The downhole sleeve also includes a plurality of protrusions positioned around the cylindrical housing, each protrusion configured to: receive a radially-inward force applied to an exterior surface of the respective protrusion; and transfer the radially-inward force through an interior surface of th...