US 12,134,953 B2
Core barrel head assembly
Christopher L. Drenth, Burlington (CA); Anthony Lachance, Burlington (CA); and Vincent Primevert, Toronto (CA)
Assigned to Veracio Ltd., Salt Lake City, UT (US)
Appl. No. 17/768,617
Filed by VERACIO LTD, Salt Lake City, UT (US)
PCT Filed Oct. 16, 2020, PCT No. PCT/US2020/055913
§ 371(c)(1), (2) Date Apr. 13, 2022,
PCT Pub. No. WO2021/076844, PCT Pub. Date Apr. 22, 2021.
Claims priority of provisional application 62/916,585, filed on Oct. 17, 2019.
Prior Publication US 2024/0102356 A1, Mar. 28, 2024
Int. Cl. E21B 25/10 (2006.01); E21B 34/12 (2006.01); E21B 47/01 (2012.01)
CPC E21B 34/12 (2013.01) [E21B 25/10 (2013.01); E21B 47/01 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A core barrel head assembly having a longitudinal axis, the core barrel head assembly comprising:
an elongate tube body having an outer surface, an interior cavity, a proximal end, and a distal end, wherein the elongate tube body defines a helical groove that extends from the interior cavity to the outer surface of the elongate tube body, wherein the helical groove is configured to allow the elongate tube body to elastically extend from a neutral length to an elongated length,
wherein the outer surface of the elongate tube body defines an outer surface of the core barrel head assembly.