发明名称 |
Sealing cap for debris chamber of a downhole debris removal tool |
摘要 |
<p>Sealing means 30, 40 for debris chambers 11 of a debris extraction tool. The end caps for the debris chamber has a cylindrical body sealed at one end and open at the other end with the open end connectable to an end of the debris enclosure 11. The caps 30 & 40 may connect to the top or bottom of the receptacle 11 to prevent debris spilling from it during removal from a wellbore. The end seals 30 & 40 may have drainage holes which can be selectively opened. The upper sealing means 30 may seal a flow tube within the chamber 11. The method for dismantling a debris extraction tool where there may be a plurality of connected debris chambers.</p> |
申请公布号 |
GB2485392(A) |
申请公布日期 |
2012.05.16 |
申请号 |
GB20100019164 |
申请日期 |
2010.11.12 |
申请人 |
M-I DRILLING FLUIDS U.K. LIMITED |
发明人 |
GEORGE TELFER |
分类号 |
E21B27/00;E21B19/00;E21B21/01;E21B31/00 |
主分类号 |
E21B27/00 |
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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