发明名称 |
OILFIELD THREADED CONNECTION |
摘要 |
A threaded connector 10 includes a box connector 12 having internal threads 18 and a pin connector 14 having external threads 26 for mating with the internal threads. An axially opposing end 34 of the box connector includes a projecting ring 36 extending axially opposite the box weld end with respect to the internal threads. The pin connector 14 has an annular slot 40 for receiving the projecting ring 36, with the slot having an inner wall 44, an outer wall 42, and a base surface 46. At least one of the radially outer surface 60 of the pin connector and the radially inner surface 64 of the box connector is a radiused surface. |
申请公布号 |
WO2008117172(A3) |
申请公布日期 |
2008.12.31 |
申请号 |
WO2008IB00746 |
申请日期 |
2008.03.19 |
申请人 |
GRANT PRIDECO LP;CRAIG, GORDON W;HEGLER, MATTHEW A |
发明人 |
CRAIG, GORDON W;HEGLER, MATTHEW A |
分类号 |
E21B17/042 |
主分类号 |
E21B17/042 |
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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