Assembly for pumping well fluids
United States Patent 3064580
US Patent References:
Method of and apparatus for pumping wells with pressure fluid
- - 1927055
Deep well pumping means and inlet member therefor
- - 2081225
Apparatus for operating oil wells
- - 2242166
Flow valve for wells
- - 2304303
Two-zone pumping system with control valve
- - 2499357
Method of and apparatus for pumping wells with pressure fluid
- - 1927055
Deep well pumping means and inlet member therefor
- - 2081225
Apparatus for operating oil wells
- - 2242166
Flow valve for wells
- - 2304303
Two-zone pumping system with control valve
- - 2499357
Inventors:
Calvert, John G.
Corley Jr., Charles B.
Fredd, John V.
Corley Jr., Charles B.
Fredd, John V.
Publication Date:
11/20/1962
View Patent Images:
Export Citation:
Assignee:
JERSEY PROD RES CO
OTIS ENG CO
OTIS ENG CO
Primary Class:
Other Classes:
417/339, 417/358, 166/313
International Classes:
E21B43/12; E21B43/14; E21B43/00
US Patent References:
| 2522825 | Two-zone pump | |||
| 2568320 | Fluid-operated pump system with parallel tubing | |||
| 2589669 | Closed fluid-operated free-pump system with three concentric tubings | |||
| 2589672 | Closed fluid-operated free-pump system with two parallel tubings within a third tubing | |||
| 2605712 | Hydraulic pumping system for producing from overlying reservoirs | |||
| 2642803 | Dual production zone pump | |||
| 2668500 | Two-zone pump | |||
| 2676546 | Fluid-operated pump having concentric and parallel tubings | |||
| 2795192 | Surface operated pump control means | |||
| 2799226 | Hydraulic pump | |||
| 2822757 | Two-zone pumping system and method |