Fixed Diameter Hole Openers
Cutter arms equipped with removable cutter, which are hardfaced and welded on 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.
| Type | Std. Opening Hole | Qty of cutters | Pilot Hole | Fishing neck | Down conn. | I.D | OAL | G.W with cutters | ||
| mm(inch) | mm(inch) | length | Diameter | Up conn. API | API | mm(inch) | mm(inch) | (kg) approx. | ||
| mm(inch) | mm(inch) | |||||||||
| KZ3-311 | 311;12-1/4'' | 3 | 246;8-1/2'' | 457.2;18'' | 203;8'' | 6-5/8REG | 4-1/2REG | 38.1;1-1/2'' | 1524;60'' | 360 |
| KZ3-444 | 444.5;17-1/2'' | 3 | 266.7;10-1/2'' | 457.2;18'' | 241.3;9-1/2'' | 7-5/8H90 | 7-5/8REG | 57.2;2-1/4'' | 1752;69'' | 550 |
| KZ3-660 | 660.4;26'' | 3 | 444.5;17-1/2'' | 457.2;18'' | 241.3;9-1/2'' | 7-5/8REG | 7-5/8REG | 76.2;3'' | 1753;69'' | 900 |
| KZ3-914 | 914.4;36'' | 609.6;24'' | 609.6;24'' | 241.3;9-1/2'' | 7-5/8REG | 7-5/8REG | 76.2;3'' | 1905;75'' | 1000 | |
| KZ4-914 | 914.4;36'' | 4 | 457.2;18'' | 457.2;18'' | 254;10'' | 7-5/8REG | 7-5/8REG | 88.9;3-1/2'' | 2642;104'' | 1540 |
| When ordering or requesting quotation, if size out of above specification, pls. specify clearly. | ||||||||||
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