dsfdsfdsf Hole Opener-Xi'an Landrill Oil Tools Co.,Ltd





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.

drill bit, oilfield, downhole, nearbit, string, hardfacing, stabilizer, drilling tool

Types of cutters (SM,MH,XH)    

drill bit, oilfield, downhole, nearbit, string, hardfacing, stabilizer, drilling tool        


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


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Address:2-60402 Greenwich Business Suite, Jinye 2nd Road,
Hi-tech Development Zone, Xi'an China