JQ-JY Type Mechanical Hydraulic Shock Absorber Oil Drilling Tools
Description
JQ-JY Type Mechanical Hydraulic Shock Absorber Oil Drilling Tools
JQ‑JY mechanical‑hydraulic shock absorber https://www.youlongpetro.com is a new type double acting shock absorber Whatsapp+8615972752793, it absorbs jumping and shaking of drilling tools through compressed energy storage from two kinds of damping elastic elements which are disc spring and silicone oil luben@youlongpetro.com https://www.youlongpetro.com, it has advantages of good maintainability Whatsapp+8615972752793, high load resistance and long service life etc luben@youlongpetro.com https://www.youlongpetro.com. It can suit to different formation Whatsapp+8615972752793 and provide the best protection for drill bits and drilling tools, and High temperature products (180 ℃ ) can also be provided according to user’s requirement luben@youlongpetro.com https://www.youlongpetro.com Whatsapp+8615972752793.
| Model | 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) luben@youlongpetro.com | 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) |
