发明名称 |
A MILL DIVERTER HAVING A SWELLABLE MATERIAL FOR PREVENTING FLUID FLOW PAST THE MATERIAL |
摘要 |
A method of preventing fluid flow past a tapered face of a mill diverter in a wellbore comprises: positioning the mill diverter in the wellbore, wherein the mill diverter comprises: a body; the tapered face, wherein the tapered face is located at one end of the body; and a swellable material, wherein the swellable material: is positioned circumferentially around the body of the mill diverter adjacent to the tapered face; swells in the presence of a swelling fluid; and prevents substantially all of a fluid from flowing past the swellable material after the swellable material has swelled; and causing or allowing the swellable material to swell. The swellable material can also prevent a loss of pressure in the wellbore above the swellable material or prevent a first fluid having a first density from mixing with a second fluid having a second density after the swellable material has swelled. |
申请公布号 |
EP2935756(A1) |
申请公布日期 |
2015.10.28 |
申请号 |
EP20130876381 |
申请日期 |
2013.02.27 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
ROSAS, EULALIO, J.;BAILEY, ERNEST, C. |
分类号 |
E21B33/127;E21B7/06 |
主分类号 |
E21B33/127 |
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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