发明名称 |
SUBSURFACE STUFFING BOX ASSEMBLY |
摘要 |
A method and apparatus for pumping high viscosity fluids such as viscous crude oils using a reciprocating pump powered by a reciprocating rod string where friction between the viscous fluid and the rod string and the resulting flotation effect are reduced greatly or substantially eliminated. |
申请公布号 |
CA1276102(C) |
申请公布日期 |
1990.11.13 |
申请号 |
CA19870534993 |
申请日期 |
1987.04.16 |
申请人 |
INTEVEP, S.A. |
发明人 |
RIVAS, OLEGARIO;NEWSKI, ALEJANDRO |
分类号 |
E21B23/02;E21B33/10;F04B47/02 |
主分类号 |
E21B23/02 |
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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