1461162033-23b95133-77d7-4372-a150-e3423532465d

A method of pumping well fluid from a well having casing with perforations includes connecting an electrical motor to a lower end of a pump and securing the pump to tubing. The pulse generating circuit includes first and second first switching units connected in series and two voltage division resistors connected in series between the DC power supply input terminal and ground, and two capacitors connected in parallel with one of the two voltage division resistors. The washing chambers that are separate from each other are formed by a screw, said screw being connected along its outside edge to the drum. The chip includes a cooling pipes system inside the N interconnect layers. 8 H, wherein H represents an entire height.