发明名称 |
Cement head quick connector. |
摘要 |
<p>A coupling apparatus for quickly connecting a cement head to a well casing includes an upper body adapted to receive a cement head while engaging a casing and further includes a lower body to fit around the casing end. The upper and lower bodies form an annular space for housing split ring segments which engage the casing. The upper and lower bodies can be adjusted axially to accommodate a variety of casing ends.</p> |
申请公布号 |
EP0670413(A2) |
申请公布日期 |
1995.09.06 |
申请号 |
EP19950102785 |
申请日期 |
1995.02.27 |
申请人 |
FMC CORPORATION |
发明人 |
BARRETT, STEPHEN P.;CRAWFORD, PAUL A. |
分类号 |
E21B17/02;E21B17/08;E21B33/05;F16L37/00;(IPC1-7):E21B17/02;F16L37/084 |
主分类号 |
E21B17/02 |
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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