Device and method for pumping a viscous liquid comprising inject

Details Device and method for pumping a viscous liquid comprising inject Device and method for pumping a viscous liquid comprising inject

1993-06-14

1994-09-20

Gluck, Richard E.

Wells

Processes

Producing the well

166 50, 166265, E21B 4312

Patent

active

053480945

ABSTRACT:
A device for pumping a fluid of high viscosity containing a gas and a liquid phase which includes a pump connected to a lower end of a tubular string at the bottom of a well and a device for separating free gas from the liquid phase and for injecting a thinner into the fluid to reduce the viscosity. Injection of the thinner is effected at fluid inlet ports of an inlet device for separating the free gas via a pipe leading to the surface of a geological formation in which the well is positioned. Also, a pumping method using the device involves injecting the thinner into the fluid of high viscosity near an inlet of the pump.

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patent: 5113937 (1992-05-01), Cholet

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