发明名称 |
Top filling tubing |
摘要 |
A method of top-filling a drill pipe string comprises injecting fluid into the upper end of the string. Apparatus for use in top-filling a drill pipe string comprises an injector adapted to co-operate with the upper end of a drill pipe string, whereby fluid may be pumped through the injector and into the string. |
申请公布号 |
AU2007259057(B2) |
申请公布日期 |
2014.09.04 |
申请号 |
AU20070259057 |
申请日期 |
2007.06.11 |
申请人 |
CHURCHILL DRILLING TOOLS LIMITED |
发明人 |
CHURCHILL, ANDREW PHILLIP |
分类号 |
E21B21/01;E21B17/00;E21B21/00 |
主分类号 |
E21B21/01 |
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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