| 000 | 00551nab a2200157 4500 | ||
|---|---|---|---|
| 005 | 20260520001010.0 | ||
| 008 | 260224s xxu | ||
| 245 | 0 | 0 | _aPDC bits begin to dominate |
| 270 | _a11/05/2006 ; 11/05/2006 | ||
| 300 | _a1 p. | ||
| 520 | _aWith advances in cutter technology and improved bit body stability, PDC bits are rapidly overtaking roller cones in total footage drilled. | ||
| 773 | 0 |
_tE & P _gVol. 79, issue 03 (mar. 2006) ; p. 93 |
|
| 942 | _cARTICULO | ||
| 650 | 0 |
_aTrépanos _92418 |
|
| 999 |
_c179465 _d179465 |
||