the drawings and specification there have been disclosed illustrative embodiments of the invention and although specific terms are employed they are used in a generic and descriptive sense only and not for the purpose of limitation accordingly the invention is therefore to be limited only by the scope of the appended claims fig1 provides a side partial cross sectional view of an embodiment of an esp pumping system 20 used for delivering produced subterranean fluid to the surface of the wellbore the esp pumping system 20 is inserted in production tubing 9 deployed in a wellbore 5 the wellbore 5 is lined with casing 7 with the production tubing 9 affixed within the casing 7 in the embodiment shown the production tubing 9 includes a wet matable connection 34 for transmitting electrical power to the pumping system 20 the wet matable connection 34 is included at the production tubing 39 s 9 the lower end the production tubing 9 terminates in the wellbore 5 adjacent perforations 13 the perforations 13 are formed through the casing 7 and into a hydrocarbon producing formation 15 that circumscribes a portion of the wellbore 5 fluid flow shown as arrows enters the wellbore 5 from the formation 15 and through the perforations 13 as shown in this example the fluid enters the open end of the production tubing 9 and is drawn upwards to the esp pumping system 20 the esp pumping system 20 comprises a pump motor 24 a seal section or equalizer 26 on the upper end of the pump motor 24 an optional gas separator 28 and a pump 32 fluid inlets 30 are provided.