发明名称 |
FREMGANGSMAATE FOR AA REDUSERE TRYKKFALLET I EN ROERLEDNING SOM TRANSPORTERER ER FRIKSJONSREDUSERENDE MATERIALE. |
摘要 |
<p>Method for reducing pressure drop in a conduit carrying a viscous drag reducing material by injecting a lower viscosity liquid which is immiscible with the drag reducing material at the periphery of the conduit to form a flowing annular layer of such lower viscosity liquid thereby reducing the pressure drop in the conduit.</p> |
申请公布号 |
NO894053(A) |
申请公布日期 |
1990.04.17 |
申请号 |
NO19890004053 |
申请日期 |
1989.10.10 |
申请人 |
CONOCO INC |
发明人 |
UBELS, SIBRAND A.;BAXTER, STEVEN L. |
分类号 |
F15D1/06;F17D1/08;F17D1/17;(IPC1-7):F17D1/17 |
主分类号 |
F15D1/06 |
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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