HOLE OPENER

 

 

The Fixed Diameter Hole Opener is made of tough heat treated alloy steel for maximum strength. Hole opener Cutter arms are equipped with removable cutters, which were hardfaced and welded on the hole opener body. Cutters are available in three types: type SM for soft to medium formation, type MH for medium to hard formation and type XH for hard formation. The hole openers have three or six jet tubes with replaceable nozzles, so that jet streams quickly clean the enlarged hole.

 

 

Types of cutters (SM,MH,XH)    

 

        

 

Specification:

Std opening hole Nb Pilot   hole(mini) Fishing Neck Bottom conn. Bore Overall Length Weight with cutters (kg)approx.
of cutters Length Dia. Top conn.
12 1/4’’ 3 8-1/2’’ 18’’ 8’’ 6-5/8REG 4-1/2REG 1-1/2’’ 60’’ 360
17 1/2″ 3 10-1/2″ 18〞 9-1/2〞 7-5/8REG 7-5/8REG 2-1/4〞 59〞 550
26〞 3 17-1/2″ 18〞 10〞 7-5/8REG 7-5/8REG 3〞 69〞 900
36〞 3 24″ 20〞 9〞 7-5/8REG 7-5/8REG 3〞 75〞 1000
4 18″ 43〞 10〞 7-5/8REG 7-5/8REG 3-1/2〞 104〞 1540
* Other sizes available under customer needs.

 

Other drilling string products:

PDC Drill bits Stabilizer Rotary Reamer
Mud Motor Drill Collar Heavy Weight Drill Pipe
Hole Opener Drilling jar Jar Intensifier
Shock Absorber Slide Reamer Variable Gauge Stabilizer