发明授权
US09145885B2 Electrical submersible pump with reciprocating linear motor 有权
带往复式线性电机的潜水泵

Electrical submersible pump with reciprocating linear motor
摘要:
A reciprocating pump, actuated by an expandable material, can be used to pump well fluids from a wellbore toward the surface of the earth. The expandable material can include piezoelectric, electrostriction, magnetostrictive, or piezomagnetic material. By using the expandable material, the pump can be sufficiently small to fit in various types of tubing within a wellbore.
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