| 摘要 |
A pump for heating high viscosity oil and elevating it to a ground level from a subterranean level. The pump, which is preferrably of the type which produces and is operated by sonic pressure waves of special character, includes a ground level generator for producing pump operating forces that are transmitted to the subterranean level for reciprocally operating a subterranean heating and oil elevating unit which has a special magnetic piston reciprocal in a non-permanently magnetizable housing for generating heat and further has a reciprocal operating mechanism for intaking the heated oil and elevating it to the ground level.
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