发明名称 |
propante para fraturamento hidráulico de poços de petróleo ou de gás, bem como método para reduzir ou eliminar o fenômeno de reversão de fluxo em poços de petróleo ou de gás |
摘要 |
The present invention relates to a proppant for the hydraulic fracturing of oil or gas wells, which consists of a mixture of from 10 to 95% by weight of a spherical proppant and from 5 to 90% by weight of an angular material, the percentages being based on the total weight of the mixture. The proppant obtained according to the present invention is useful for eliminating or decreasing the“flow-back”phenomenon in operations in oil or gas wells. |
申请公布号 |
BR0301036(B1) |
申请公布日期 |
2013.09.10 |
申请号 |
BR20030301036 |
申请日期 |
2003.04.29 |
申请人 |
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发明人 |
SEBASTIAO CURIMBABA;GABRIEL WARWICK KERR DE PAIVA CORTES;GUILHERME DE PAIVA CORTES |
分类号 |
C04B35/10;E21B43/267 |
主分类号 |
C04B35/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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