US Patent Issued to RUMA PRODUCTS on April 29 for "Downhole seal and method of setting a downhole seal" (Dutch Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,860, issued on April 29, was assigned to RUMA PRODUCTS B.V. (Netherlands).

"Downhole seal and method of setting a downhole seal" was invented by Walter Stam (Aalsmeer, Netherlands), Evert Jonathan Van Den Ham (Wijk en Aalburg, Netherlands), Timotheus Kees Theodorus Wolterbeek (Haarlem, Netherlands) and Erik Kerst Cornelissen (Haarlem, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole seal is proposed which has a CO2 swellable elastomer which swells when in contact with CO2. The downhole seal can be set by installing a downhole seal comprising a CO2 swellable elastomer in a downhole location within a borehole, and exposing the down...