Symmetric Casing Systems miaraka amin'ny Ring Bit
Adavantage
1. Ny famolavolana concentric dia azo itokisana kokoa ary kely kokoa noho ny eccentric.
2. hery lehibe fiatraikany hanao fandavahana haingana.
3. lavaka mahitsy.
4. mora ny manaraka ny casing.
5. Avereno ny fihodinana ary esory ny bitin'ny mpanamory mba hampiasaina amin'ny lavaka manaraka.
ny | B | C | D | E | F |
Dia ivelany.nYCasing Tube | Dia anatiny.nYCasing Tube | Reamed Dia. | Min.Dia anatiny.nYKiraro Casing | Karazana matoatoa | Drill Pipes |
mm | mm | mm | mm | mm | |
114 | 101-103 | 125 | 93 | TDS79 | 60 |
140 | 124-127 | 152 | 113 | TDS98 | 76 |
146 | 127-132 | 154 | 115 | TDS98 | 76 |
168 | 149-155 | 184 | 138 | TDS122 | 76,89 |
178 | 159-165 | 194 | 148 | TDS122 | 76,89 |
193 | 173-180 | 206 | 164 | TDS139 | 114 |
219 | 199-206 | 234 | 185 | TDS139, TDS180 | 114 |
244 | 224-231 | 273 | 219 | TDS180 | 114 |
Torolàlana baiko: A+B+C+D+G
Soraty eto ny hafatrao ary alefaso aminay