发明名称 |
APPARATUS AND METHODS FOR SEALING AROUND THE OPENING TO AN UNDERGROUND BOREHOLE. |
摘要 |
Apparatus useful for providing a liquid-tight seal around an opening formed in the earth's surface of an underground borehole includes a clamp and at least one platform. The clamp is configured to engage a wall extending around the borehole and the platform is configured to extend outwardly from the clamp over the earth's surface adjacent to the borehole. |
申请公布号 |
MX2016004198(A) |
申请公布日期 |
2016.12.20 |
申请号 |
MX20160004198 |
申请日期 |
2014.09.28 |
申请人 |
NEWPARK MATS & INTEGRATED SERVICES LLC |
发明人 |
James Kerwin MCDOWELL;Kenneth Edward DURIO;Aaron William DUGAS;Randy Paul BORDELON;Richard Lamar EDWARDS |
分类号 |
E21B33/02;E21B33/03 |
主分类号 |
E21B33/02 |
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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