YJS Hydraulic Jar Accelerator
YJS neaa kiaha Intensifie
YJS hydraulic Jar accelerator is a downhole tool designed to increase shock force of hydraulic upper hammer.It needs to be used in combination with the hydraulic upper punch.It speeds up the connection between the top and bottom of the jar and the drill collar to achieve greater shock force at the snap point.At the same time, it can reduce the vibration of the drill string rebound after shock.
Mākou paka H2S ia'ku kiaha, i apono i kbps hoouku luaipele-e kū'ē'ē maiʻia.
Kahalaha |
Od mm o ('īniha) |
ID mm o ('īniha) |
Mapuna mm o ('īniha) |
Max. tensile e haawe i loko o ia lua HI |
Hoailona iho la i puʻe MPa |
Max. e hana ana i ka mahana ℃ |
Manoukian API |
Nohona ma lōʻihi mm o ('īniha) |
YJS46 |
121 (4 3/4) |
38 (1 1/2)) |
224 (8 3/4) |
0,9 |
20 |
120 |
NC38 |
3275 (129) |
YJS62 |
159 (6 1/4) |
57,2 (2 1/4) |
329 (13) |
1.5 |
20 |
120 |
NC50 |
4380 (172) |
YJS64 |
165 (6 1/2) |
57,2 (2 1/4) |
329 (13) |
1.5 |
20 |
120 |
NC50 |
4380 (172) |
YJS70 |
178 (7) |
60 (2 5/16) |
336 (13 1/4) |
1.8 |
20 |
120 |
5 1 / 2FH |
3740 (147) |
YJS76 |
197 (7 3/4) |
76.2 (3) |
333 (13 1/8) |
2.1 |
20 |
120 |
6 5 / 8REG |
4238 (167) |
YJS80 |
203 (8) |
76.2 (3) |
333 (13 1/8) |
2.2 |
20 |
120 |
6 5 / 8REG |
4238 (167 |