| 出生地 |
China (Mainland) |
| 牌子的名字 |
MSG |
Bit dia (in) Drill Collar Dia (in) Stabilizer Sleeve Thebody Threadonbothends Length Work OD Upset end dia Upset end length Fishing neck length ID Make- up Torque (KN.m) OAL Drillstring Nearbit Nearbit Drill String Top Down Top Down 81/2 61/2 480 214 190 200 600 71 6.95- 7.25 1800-1900 1800-1900 41/2 IF 41/2IF 41/2IF 41/2REG 81/4 470 210 8 472 203 73/4 455 197 121/4 8 555 310 238 76 9.7-11 1800-2000 1800-2000 65/8REG 65/8REG 65/8REG 65/8REG 12 550 305 111/2 540 292 11 530 279 171/2 9 682 444 279 13.85-16.55 75/8 REG 75/8 REG 75/8 REG 75/8 REG 17 676 432 161/2 670 420 16 644 407 22 2000-2200 2000-2200 24 26