The replaceable sleeve stabilizer are available with two-piece and three-piece construction. The three-piece construction stabilizer is made of a body and a centralizing body(refer to sleeve replaceable). The advantage is that the sleeve can be changed quickly and easily after sleeve hardfacing is worn-out. This kind of stabilizer is especially suitable for working in directional well.Bit Dia. (in) Drill collar dia. Stabilize sleeve Body Thread conneciton Length Work O.D. Upset end Dia. upset end length Fishing neck length ID Overall length L Drill string type Near bit type Near bit Type String Type Top Down Top Down 81/2 61/2 480 214 190 200 600 71 1900 1900 4 1/2IF 4 1/2IF 4 1/2IF 4 1/2REG 81/4 470 210 8 472 203 73/4 455 197 121/4 8 555 310 238 76 2000 2000 6 5/8REG 6 5/8REG 6 5/8REG 6 5/8REG 12 550 305 11 1/2 540 292 11 530 279 17 1/2 9 682 444 279 7 5/8REG 7 5/8REG 7 5/8REG 7 5/8REG 17 676 432 161/2 670 420 16 644 407 22 2000~2200 2000`2200
