1
Leslie C Reid: Gas boost circulation system. Baker Hughes Incorporated, Bracewell & Giuliani, March 27, 2012: US08141625 (14 worldwide citation)

A submersible well pump assembly in a wellbore; the pump assembly includes a liquid lift pump and a booster pump for pumping a two-phase mixture of gas and liquid. A shroud with an opening at its upper end partially encloses the pump assembly. An annulus is formed between the shroud and the wellbore ...


2
Leslie C Reid: Gas Boost Circulation System. Baker Hughes Incorporated, Bracewell & Giuliani, December 23, 2010: US20100319926-A1

A submersible well pump assembly in a wellbore; the pump assembly includes a liquid lift pump and a booster pump for pumping a two-phase mixture of gas and liquid. A shroud with an opening at its upper end partially encloses the pump assembly. An annulus is formed between the shroud and the wellbore ...