US Patent Issued to DOWNHOLE PRODUCTS on March 24 for "Combination landing and float collar" (British, American Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,380, issued on March 24, was assigned to DOWNHOLE PRODUCTS Ltd..

"Combination landing and float collar" was invented by Darko Arsoski (Angus, Great Britain) and Douglas Brian Farley (Missouri City, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combination landing and float collar for use in a wellbore includes: a float valve; a receiver including a plug seat and a ball seat; a tubular housing having a coupling formed at a longitudinal end thereof for assembly as part of a downhole tubular; a first sheath bonding the receiver to an inner surface of the housing within a flow bore thereof; a second sheath bonding the float valve to the inner ...