FIELD: power supply to submerged oil pump motors. SUBSTANCE: cable has three insulated current conductors placed in parallel in same plane, common sheath, and shaped steel armour band. Conductor insulation is made of high-density polythenes in mass proportion of (50-80):(50-20). EFFECT: improved operating reliability. 1 dwg, 1 tbl
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CABLE FOR SUBMERSIBLE CRUDE-OIL PUMPS | 2008 |
|
RU2359351C1 |
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Authors
Dates
1996-04-10—Published
1991-05-23—Filed