FH Series Hole Opener-Cangzhou East Drilling Tools Co.,ltd

Products

Cangzhou East Drilling Tools Co.,ltd

International Department

Metis Lau (Sales Manager)

E-mail：manager@fasterdrilling.com
Personal E-mail: metislau@qq.com
Mobile：+86-15832778810
Office：+86-317-3665870
WhatsApp: +86-15832778810
Skype: metislau
QQ/WeChat：375071492
Address: No.137 of Yucai Road,Hejian City,Hebei Province,China
http://www.fasterdrilling.com

Hole Opener current location： Home > Hole OpenerFH Series Hole Opener

FHSeries
Pilot Hole Opener Cone Bit

Cutting Structure
Reaming bit mainly consists of four or more cones. Main cutting tooth is steel tooth welded new-type wear-resistant alloy. High quality tungsten carbide tooth of new formula and new technique increases the service life of reaming bit. The pilot is roller cone bit
Seal and Lubrication
The bearing seal applys high performance HNBR O-ring seal and imported lubrication grease special for bit.
Product Predominance
It is applied in the big size casing well section, mining and infrastructure building drilling.

Available Sizes, Types and Recommended Operating Parameters of Bits

Bit Size		Bit Type
inch	mm	Bit Type
15	381	FH117G FH127G FH517G FH537G FH617G
28	711.2	FH117G FH127G FH517G FH537G FH617G
30	762.0	FH117G FH127G FH517G FH537G FH617G
32	812.8	FH117G FH127G FH517G FH537G FH617G
36	914.4	FH117G FH127G FH517G FH537G FH617G

IADC	Recommendation		Applicable Formation
IADC	WOB	RPM	Applicable Formation
117 127	0.35～0.9	150～70	Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc.
517 537	0.4～1.0	120～60	Soft to medium formations with low compressive strength, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.

Note: the maximum value of WOB and RPM in this table can not be adopted at the same time.