ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,884, issued on Oct. 28, was assigned to REFLEX INSTRUMENTS ASIA PACIFIC PTY LTD (Balcatta, Australia).
"Downhole tool assemblies" was invented by James Barry Reilly (Balcatta, Australia), Nicholas Coplin (Balcatta, Australia), Amir Mokaramian (Balcatta, Australia) and Marian Javorka (Balcatta, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Downhole tool assembly (10) for mounting to a core barrel assembly (12) including a core tube (14) and a pair of split tubes (16). The downhole tool assembly (10) includes a downhole tool (18) and at least one sleeve (20) dimensioned to slidingly engage the split tubes (16) to inhibit radial movement of ...