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- Contact Person : Ms. HAN HELEN
- Company Name : Shanghai Shirui International Trading Co., Ltd.
- Tel : 0086-21-55156193
- Fax : 0086-21-55156192
- Address : Shanghai,SHANGHAI,ROOM610,NO.11 BUILDING,LANE3855,SHANGNAN ROAD, PUDONG DISTRICT,SHANGHAI
- Country/Region : China
- Zip : 200124
Hole opener
The body of Hole Opener is made of high quality heat treated alloy steel for maximum strength. Cutter arms, equipped with removable cutter, are hard-faced and welded on body. The hole openers have three or six jet tubes with replaceable nozzles, so that jet streams quickly clean the enlarged hole. Our company have the following 2 kinds of fixed diameter hole opener: 3 roller cones hole opener and 4 roller cones hole opener.
Cutters on the hole opener 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.
Specifications of Hole Opener
Type | Std. Hole open; mm | Qty. of Roller Cones | Mini. Pilot Hole; mm | Fishing OD. | Bottom Connection; API | ID. mm | Total Length; mm | ||
Length; mm | OD. mm | Top Connection; API | |||||||
KZ311 | 311 | 3 | 216 | 457.2 | 203 | 6-5/8 REG | 4-1/2 REG | 38 | 1524 |
KZ-444 | 444.5 | 3 | 266.7 | 457.2 | 241 | 7-5/8 REG | 7-5/8 REG | 57 | 1752 |
KZ-660 | 660.4 | 3 | 444.5 | 457 | 241 | 7-5/8 REG | 7-5/8 REG | 76 | 1752 |
KZ-914 | 914.4 | 3 | 609.6 | 508 | 241 | 7-5/8 REG | 7-5/8 REG | 76 | 1905 |
KZ-914(4) | 914.4 | 4 | 457.2 | 1092 | 254 | 7-5/8 REG | 7-5/8 REG | 89 | 2642 |
Hole opener
