| 000 | 00549nab a2200193 4500 | ||
|---|---|---|---|
| 005 | 20260520002849.0 | ||
| 008 | 260224s2011 xxu | ||
| 245 | 0 | 0 | _aHammer bits, underbalanced systems optimize Canyon sands drilling |
| 260 |
_a _b _c7 feb. 2011 |
||
| 270 | _a22/02/2011 ; 22/02/2011 | ||
| 300 | _a3 p. ; 72-74 | ||
| 581 | _a6 | ||
| 773 | 0 |
_tOil & Gas Journal _g109 |
|
| 942 | _cARTICULO | ||
| 100 | 1 |
_aGala, Deepak M. _944628 |
|
| 100 | 1 |
_aHawley, Greg _944629 |
|
| 100 | 1 |
_aLagrandeur, Craig _944630 |
|
| 999 |
_c173509 _d173509 |
||