| 发明名称 |
A PLUG FOR USE IN WELLBORE OPERATIONS, AN APPARATUS FOR RECEIVING SAID PLUG, A PLUG LANDING SYSTEM AND A METHOD FOR CEMENTING TUBULARS IN A WELLBORE |
| 摘要 |
A plug for use in wellbore operations, which plug is deformable such that, in use, upon fluid pressure reaching a predetermined level, said plug deforms allowing fluid to pass between said plug and a tubular in which said plug is located.
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| 申请公布号 |
CA2303091(A1) |
申请公布日期 |
1999.03.25 |
| 申请号 |
CA19982303091 |
申请日期 |
1998.09.14 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
GIROUX, RICHARD LEE;BUDDE, PETER |
| 分类号 |
E21B21/10;E21B33/05;E21B33/16;(IPC1-7):E21B33/16 |
主分类号 |
E21B21/10 |
| 代理机构 |
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代理人 |
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