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tianhe petroleum group

All Products >> drilling tools

Showing 1 - 4 of 4, total 1 pages        [First] [Previous] [Next] [Last]

1
cross-over sub
cross-over sub
Specification: all sizes
Detail: Cross-over sub acts for conversion and connection of drill stem component in petroleum ,natural gas and geology drilling work.It is used mainly for connecting of upper drill tools and lower drill tools during drilling operatio...

2
heavy weight drill pipe
heavy weight drill pipe
Specification: all sizes
Detail: Description Specification Connection Central Upset Dia Heavy weight drill pipe 6 5/8" 6 5/8 FH 7 1/8" 3 1/2'' NC38 4" 4 1/2'' NC4...

3
kelly
kelly
Specification: all sizes
Detail: Kellys are made from 4145H modified alloy steel in accordance with API Spec.7 latest edition, which are quenched and tempered along full length. Size Length m Upper box connection Lower pin connection I.D. Driving section m...

4
drill collar
drill collar
Specification: all sizes
Detail: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. Drill collar are manufactured strictly f...
Showing 1 - 4 of 4, total 1 pages        [First] [Previous] [Next] [Last]
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