New drillbit offerings keep pushing the envelope
Publication details: oct. 2009Description: 4 p. ; 45-48 In: World Oil 230Summary: Transcripción del resumen del autor. Improvements in hardness and durability have yet to approach a limit. Even roller-cone bits are being improved with new metallurgy.| Current library | Status | Barcode | |
|---|---|---|---|
| Biblioteca Alejandro Angel Bulgheroni | Not for loan | 200047303 |
Transcripción del resumen del autor. Improvements in hardness and durability have yet to approach a limit. Even roller-cone bits are being improved with new metallurgy.
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