Efeito da adição de poliuretana na permeabilidade de pastas leves com incorporador de ar
The cementing job has the purpose of sealing permeable zones and providing support for the casing column. Depleted reservoirs or with low fracture pressure require low-density cementitious slurries. Low-density or lightweight cement are also obtained through the incorporation of air by the use of...
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| Médium: | doctoralThesis |
| Jazyk: | por |
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Brasil
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| On-line přístup: | https://repositorio.ufrn.br/jspui/handle/123456789/25733 |
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