发明名称 |
METHOD AND DEVICE FOR CLEANING A CAVITY IN A PETROLEUM WELL |
摘要 |
A method and a device for removing sediment or other undesired material (28) from a cavity (24) in a petroleum well (2) in which a tool (30) is moved down into the petroleum well (2). The method including placing a detonable charge (34) in the tool (30) and detonating the charge (34) after the tool (30) has been positioned in the petroleum well (2).
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申请公布号 |
US2011232911(A1) |
申请公布日期 |
2011.09.29 |
申请号 |
US200913133343 |
申请日期 |
2009.12.07 |
申请人 |
OSALAND ESPEN;HAUGLAND LASSE |
发明人 |
OSALAND ESPEN;HAUGLAND LASSE |
分类号 |
E21B37/00 |
主分类号 |
E21B37/00 |
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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