| 发明名称 |
Apparatus for pigging hydrocarbon product flowlines |
| 摘要 |
A method and apparatus for cleaning debris from the interior surfaces of two flowlines, particularly dissimilar sized flowlines, utilizes a crossover flowline, crossover valve, and two bypass flowlines and bypass valves, wherein the bypass flowlines communicate between a respective flowline and the crossover flowline.
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| 申请公布号 |
US4574830(A) |
申请公布日期 |
1986.03.11 |
| 申请号 |
US19850725187 |
申请日期 |
1985.04.19 |
| 申请人 |
EXXON PRODUCTION RESEARCH CO. |
发明人 |
RICKEY, WYNN P.;DOBSON, DEBORAH H.;HUFFAKER, ROGER W. |
| 分类号 |
B08B9/04;E21B33/076;E21B37/00;(IPC1-7):B08B9/04;B08B9/06;F16K11/00 |
主分类号 |
B08B9/04 |
| 代理机构 |
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代理人 |
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