发明名称 |
CRANKED ROD PUMP APPARATUS AND METHOD |
摘要 |
An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (cranked rod pumping) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The cranked rod pumping apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a cable coupled to a substantially vertically moveable member which is attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. |
申请公布号 |
EP3022440(A4) |
申请公布日期 |
2017.03.08 |
申请号 |
EP20140826286 |
申请日期 |
2014.07.02 |
申请人 |
Unico, Inc. |
发明人 |
GREGORY, Benjamin, J.;BECK, Thomas, L.;PETERSON, Ronald, G.;MacDONALD, Michael, A.;DRY, Michael, D. |
分类号 |
F04B9/02;E21B43/16;F04B35/04;F04B47/04 |
主分类号 |
F04B9/02 |
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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