U Series rig keri Overshot

Whakaahuatanga Poto:

Wāhi Taketake: Haina
Ingoa Waitohu: JCDRILL
Tauira Tauira: BQU NQU HQU
Momo: Te Keri Raro o te Papa
Rauemi: Steel
Whakamahia: Te keri matua ki raro i te whenua
Te roa: 1.5m
Ingoa: Core Drilling Wireline Core Barrel Head Assembly Overshot