ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,367, issued on March 24, was assigned to Baker Hughes Oilfield Operations LLC (Houston).
"Multi-level slip hanger" was invented by Dmitriy Shamov (Dammam, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A casing hanger and seal system for supporting a casing string in a hydrocarbon well. The hanger can have a deformable seal with an ability to transfer force through the seal to a lower portion of the hanger. The hanger can have multiple slips which engage a casing wall and support an upper casing string independent from the deformable seal such that changes in the forces being supported cannot disengage the seal when positioned."
The p...