| 发明名称 |
METHOD OF MANUFACTURING CONTINUOUS SUCKER ROD |
| 摘要 |
An improved process for making continuous sucker rod specifies uniform hardness along and among the input coils which reduces the number of steps required to manufacture the rod, thereby advantageously reducing capital and production costs. |
| 申请公布号 |
WO2004002644(A1) |
申请公布日期 |
2004.01.08 |
| 申请号 |
WO2003CA00981 |
申请日期 |
2003.06.27 |
| 申请人 |
WEATHERFORD CANADA PARTNERSHIP;LABONTE, DAVID;GERELUK, RICKY |
发明人 |
LABONTE, DAVID;GERELUK, RICKY |
| 分类号 |
B21C37/04;B21C43/04;B21C47/24;B21C51/00;E21B17/00 |
主分类号 |
B21C37/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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