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Anti Stick Slip tool type HNG Type HNG
Model HNG Anti Stick Slip Tool is a new type of downhole friction and drag reduction tool, which transmits circumferential and longitudinal vibration to damping spring element through sliding connection of spiral drive assembly. The HNG Anti Stick Slip Tool absorbs circumferential and longitudinal vibrations of the drill through two damping spring elements: the compressed energy storage of the disc spring and the silicon oil. The product has the advantages of good maintainability, high load resistance and high service life.
Specifications
| Model | O.D. | I.D. | Max. working stroke | Temp. | Allowable Torque | Max. WOB | Allowable | Top Conn. | Bottom Conn. | OAL | Average Stiffness |
| mm(in) | mm(in) | mm(in) | ℃ | kN· m(lbf· ft) | kN(lbf) | Tensile | API | API | length mm(in) | kN/mm | |
| Kn(lbf) | (1000xlbf/in) | ||||||||||
| HNG121 | 121 | 38 | 100 | -40～150 | 15 | 280 | 1100 | NC38 | NC38 | 3605 | 2.2～5.0 |
| (4-3/4) | (1-1 /2) | -4 | -11000 | -63000 | -245000 | -142 | (12.5～28.5) | ||||
| HNG172 | 172 | 50.8 | 120 | -40～150 | 25 | 400 | 1600 | NC50 | NC50 | 3872 | 2.5～7.5 |
| (6- 3/ 4) | (1-7/8) | (4-3 /4) | -18500 | -90000 | -350000 | (152 1/2) | (14～42.7) |
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