Positive Displacement Motors, PDC Bits Improve Efficiency.
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| Title: | Positive Displacement Motors, PDC Bits Improve Efficiency. |
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| Authors: | Grindford, J., Rayton, C., Sim, C. |
| Source: | Hart's E&P; December 2002 supp, p16-19, 4p |
| Database: | Applied Science & Technology Source |
| ISSN: | 15274063 |
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