发明名称 |
Resistive down hole heating tool |
摘要 |
A heating tool used for heating cement and/or a ground formation zone and melting billets in a down hole application for sealing oil and gas wells from gas migration. The heating tool has a billet loader which allows a plurality of billets to be loaded into the top of the tool and which billets then pass downward into a magazine and the lowermost heating area of the tool to rest on a billet retainer.
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申请公布号 |
US7165607(B2) |
申请公布日期 |
2007.01.23 |
申请号 |
US20050140550 |
申请日期 |
2005.05.27 |
申请人 |
LA ROVERE THOMAS A;SPENCER HOMER L |
发明人 |
LA ROVERE THOMAS A.;SPENCER HOMER L. |
分类号 |
E21B36/00;E21B33/14;E21B36/04;H05B6/02;H05B6/10 |
主分类号 |
E21B36/00 |
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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