发明名称 |
Process for the separation of hollow glass microspheres from muds containing them |
摘要 |
Process for recovering at least 70% of hollow glass microspheres having an average diameter, according to the ASTM D1214-1989, ranging from 5 to 200 mum contained in a mixture of drilling mud and cuttings which comprises: a) screening, if necessary, the mixture through one or more 5 to 20 mesh sieves; b) feeding the screened mixture to one or more cyclones and/or hydrocyclones arranged in series, each of which is fed with a volume flow-rate from 1.5 to 10 times higher than the maximum nominal operating value. |
申请公布号 |
AU2002219101(B2) |
申请公布日期 |
2006.10.26 |
申请号 |
AU20020219101 |
申请日期 |
2001.11.13 |
申请人 |
ENI SPA;ENITECNOLOGIE SPA |
发明人 |
RAFFAELLA MONGA;ARMANDO MARCOTULLIO;ANGELO CALDERONI;GIUSEPPE BELMONTE;GIOVANNI FERRARI |
分类号 |
E21B21/06;B01D21/26;E21B21/00 |
主分类号 |
E21B21/06 |
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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