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Oriented bent sub is a major power deflection tool having a fixed angle a deviated from low end thread of the bent sub to axiaal line of dril stem, the power drill tool under the application of oriented bent sub gives the bit a constant lateral force to ensure that the bit can cut on the well-wall laterally and further drill into a curved well trace..
Technical specification and parameter.
Type | O.D.mm(in) | Connection | Bent angle a(degree) | I.D. of oriented sleeve (mm) | |
Box | Pin | ||||
DZT89 | 89(3 1/2) | NC26 | NC26 | 1.5 | 36 |
2 | |||||
DZT140 | 140(5 1/2) | NC38 | NC38 | 03.5 | 36 |
DZT159 | 159(6 1/4) | NC46 | 4 1/2 REG | 50 | |
DZT165 | 165(6 1/2) | NC50 | NC50 | 50 | |
DZT178 | 178(7) | 5 1/2 FH | 5 1/2 FH | 50 | |
DZT203 | 203(8) | 6 5/8 REG | 6 5/8 REG | 50 | |
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Oriented Bent Sub