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Experiments in the Use of Back Pressures on Oil Wells
| Author: | Swigart, T. E. |
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| Year: | 1924 |
| Document Type: | N/A |
| SUDOC: | I 28.7:322 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Technical Paper 322 |
| Subject: | Oil well drilling. |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc66390/ |
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