| 发明名称 |
A METHOD FOR MONITORING THE HEALTH OF A CHOKE USED IN WELLBORE OPERATIONS |
| 摘要 |
A method for monitoring the health of a choke used in wellbore operations, characterised in that the method comprises the steps of isolating the choke from an operative state, activating the choke and monitoring the choke durin g activation to assess the health of the choke.
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| 申请公布号 |
CA2550798(C) |
申请公布日期 |
2009.05.12 |
| 申请号 |
CA20052550798 |
申请日期 |
2005.02.21 |
| 申请人 |
VARCO I/P, INC. |
发明人 |
KOEDERITZ, WILLIAM L;GUGGARI, MALLAPPA I |
| 分类号 |
E21B21/10;E21B21/08;E21B44/00;F16K37/00;F16K47/04;G06F19/00 |
主分类号 |
E21B21/10 |
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