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Experimental study of rock breakage of an interrupted pulsed waterjet
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| Veröffentlicht in: | Energy reports 6(2020) vom: Feb., Seite 713-720 |
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| Personen und Körperschaften: | , , , , |
| Titel: | Experimental study of rock breakage of an interrupted pulsed waterjet/ Peng Wang, Zhina Li, Hongjian Ni, Yuandong Liu, Peng Dou |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2020
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| Gesamtaufnahme: |
: Energy reports, 6(2020) vom: Feb., Seite 713-720
, volume:6 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
| Zusammenfassung: | Novel valve spring blocking structure for generating pulsed waterjet was proposed, which belonged to interrupted type and purposed using in petroleum drilling. The characteristics and rock breakage performances of the pulsed waterjet were studied through experiments by changing its structural parameters. Results showed that the pulsed waterjet could be generated through the reciprocating motion of stem under the pressure difference and its rock breakage performance was better than continuous jet under the same conditions. The theoretical frequencies were slightly higher than the experimental value due to the ignorance of friction resistance between components and viscous resistance of fluid. The results provided a basis for its applications in petroleum drilling engineering. |
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| ISSN: |
2352-4847
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| DOI: | 10.1016/j.egyr.2020.03.018 |
| Zugang: | Open Access |