Concentric Casing System
Ib tug tsav tsheb me ntsis thiab ib lub nplhaib yog sib sau ua ke rau ib tug ua tiav concentric system me ntsis uas yog haum rau 114-1067mm txoj kab uas hla raj.
Qhov zoo:
1. Txhim khu kev nkag mus thiab perpendicularity
2. Txo cov kev xav tau torque
3. Deal nrog ncaj, oblique qhov thiab lwm lub kaum sab xis qhov
4. Cov nyhuv qis tshaj plaws nrog ib puag ncig
2. Txo cov kev xav tau torque
3. Deal nrog ncaj, oblique qhov thiab lwm lub kaum sab xis qhov
4. Cov nyhuv qis tshaj plaws nrog ib puag ncig
Sab nraud dia.(mm): 125/155/188/215/238/276/293/345/375/432...1090
Qhov Loj (OD * ID, mm): 114 * 102 / 139 * 127 / 168 * 153 / 194 * 181 ... 1067 * 1041
Qhov Loj (OD * ID, mm): 114 * 102 / 139 * 127 / 168 * 153 / 194 * 181 ... 1067 * 1041
Outer Dia Ntawm Casing Tube (mm) | Sab hauv Dia Ntawm Casing Tube (mm) | Reamed Dia (mm) | Min Inner Dia Ntawm Casing Khau (mm) | Drill Pipes (mm) | Max.Outer Dia ntawm Normal Bit (mm) |
114 | 101-103 : kuv | 127 | 91 | 76 | 77 |
127 | 114-116 : kuv | 136 | 101 | 76 | 82 |
140 | 124-127 : kuv | 152 | 117 | 76 | 92 |
146 | 127-132 : kuv | 154 | 117 | 76 | 105 |
168 | 149-155 : kuv | 184 | 140 | 76 | 105 |
178 | 159-165 : kuv | 194 | 150 | 76.89 ib | 125 |
193 | 173-180 : kuv | 206 | 164 | 76.89 ib | 140 |
219 | 199-206 : kuv | 234 | 184 | 89.114 ib | 150 |
244 | 224-231 : kuv | 260 | 210 | 89.114 ib | 165 |
273 | 251-257 : kuv | 305 | 240 | 114 | 190 |
323 | 301-310 : kuv | 348 | 284 | 114.127 ib | 220 |
406 | 382-388 : kuv | 440 | 364 ib | 127 | 255 |
457 ib | 433-439 : kuv | 488 ib | 413 | 140 | 340 |
508 | 484-490 : kuv | 538 ib | 464 ib | 140 | 385 |
558 ib | 534-540 : kuv | 590 ua | 514 ib | 140 | 440 |
610 | 586-592 : kuv | 642 ib | 566 ib | 140 | 485 ib |
660 | 636-642 : kuv | 694 ib | 615 | 168 | 540 |
711 ib | 687-693 : kuv | 745 ib | 665 ib | 168 | 590 ua |
762 ib | 738-744 : kuv | 798 ib | 716 ib | 168 | 640 |
863 ib | 839-845 : kuv | 900 | 8 15 | 168 | 685 ib |
Sau koj cov lus ntawm no thiab xa tuaj rau peb