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| 245 | 0 | 0 | _aDrilling performance of an energy-balanced roller-cone bit |
| 270 | _a12/09/06 ; 11/12/2003 | ||
| 300 | _a1 p. | ||
| 773 | 0 |
_tJournal of Petroleum Technology _gVol. 55, no. 12 (dic. 2003) ; p. 49-50 |
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| 942 | _cARTICULO | ||
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_aChen, S.L. _916458 |
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| 100 | 1 |
_aDahlem, J. _925763 |
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| 100 | 1 |
_aRayburn, C. _925764 |
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_aDahlem, J. _925763 |
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_aRayburn, C. _925764 |
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