TWU usoro isi gbọmgbọm

Nkọwa dị mkpirikpi:

Ebe Mmalite: China
Aha ika: JCDRILL
Nọmba nlereanya: BOU NOU HOU
Ụdị: Ngwunye isi ala
Ihe: ígwè
Jiri: isi ihe nchọgharị n'okpuru ala
Ogologo: 1.5m
Aha: N'okpuru ala Drilling Wireline Core Barrel Head Assembly Overshot