Invention Publication
- Patent Title: CORE BARREL HEAD ASSEMBLY
-
Application No.: US17768617Application Date: 2020-04-16
-
Publication No.: US20240102356A1Publication Date: 2024-03-28
- Inventor: Christopher L. Drenth , Vincent Primevert , ANTHONY LACHANCE
- Applicant: LONGYEAR TM, INC
- Applicant Address: US UT Salt Lake City
- Assignee: LONGYEAR TM, INC
- Current Assignee: LONGYEAR TM, INC
- Current Assignee Address: US UT Salt Lake City
- International Application: PCT/US2020/055913 2020.04.16
- Date entered country: 2022-04-13
- Main IPC: E21B34/12
- IPC: E21B34/12 ; E21B25/10 ; E21B47/01

Abstract:
A core barrel head assembly having a longitudinal axis can comprise an elongate tube body having an outer surface, an interior cavity, a proximal end, and a distal end. The elongate tube body can define a helical groove that extends from the interior cavity to the outer surface of the elongate tube body. The helical groove can be configured to allow the elongate tube body to elastically extend and compress. The elongate tube body can define at least one aperture that extends between the interior cavity and the outer surface. The core barrel head assembly can further comprise a valve body that is attached to the elongate tube body and is movable with respect to the proximal end of the elongate tube along the longitudinal axis, as the elongate tube body compresses. When sufficiently compressed, the valve body restricts flow through the at least one aperture.
Public/Granted literature
- US12134953B2 Core barrel head assembly Public/Granted day:2024-11-05
Information query