The JQ-YS double way hydraulic shock absorber is engineered to mitigate or eliminate shock in both vertical and axial directions. This advanced tool maintains optimal bit pressure and torque, significantly reducing damage to drill bits, drilling tools, and surface equipment caused by shock vibrations. The result is improved drilling efficiency and reduced operational costs.
| Parameter | JQ-JY121 | JQ-JY159 | JQ-JY178 | JQ-JY203 |
|---|---|---|---|---|
| OD mm(inch) | 121(4-3/4) | 159(6-1/4) | 178(7) | 203(8) |
| ID mm(inch) | 38(1-1/2) | 50.8(2) | 57(2-1/4) | 71.4(2-13/16) |
| Tool Joint Connection API | NC38 | NC50 | NC50 | 6-5/8 REG |
| Max. Tensile Load KN(Ibf) | 1100(247,000) | 1500(337,000) | 1500(337,000) | 2000(450,000) |
| Tensile Yield KN(Ibf) | 1950(438,000) | 2000(450,000) | 2500(562,000) | 3500(790,000) |
| Torsional Limited KNm(Ibf-t) | 10(7000) | 15(11,000) | 15(11,000) | 20(14,000) |
| Torsional Yield KNm(Ibfft) | 15(11,000) | 20(14,000) | 25(18,000) | 35(25,000) |
| Max. Pressure KN(Ibf) | 300(67,500) | 450(100,000) | 450(100,000) | 550(123,700) |
| Max. Stroke mm(inch) | 100(3-15/16) | 120(4-3/4) | 120(4-3/4) | 140(5-1/2) |
| Overall Length mm(ft) | 4185(13.7) | 4224(13.9) | 4287(14.1) | 4856(15.9) |