Wells – Processes – Producing the well
Patent
1995-02-21
1996-02-06
Buiz, Michael Powell
Wells
Processes
Producing the well
E21B 4300
Patent
active
054889936
ABSTRACT:
An artificial lift system and method for lifting fluids from an underground formation. The artificial lift system comprising a production tubing through which the fluid is carried from the formation to the surface and a pressure reducer, such as a venturi, fluidly connected to the production tubing to artificially raise the level of the fluid in the production tubing. The method comprises reducing the pressure in the production tubing at an upper portion thereof to increase the pressure differential between the upper portion of the production tubing and a lower portion of the production tubing to increase the level of liquid in the production tubing for subsequent removal in an artificial lifting step.
REFERENCES:
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patent: 4989671 (1991-02-01), Lamp
patent: 5105889 (1992-04-01), Misikov et al.
patent: 5117909 (1992-06-01), Wilton et al.
Pages from Unknown Textbook, "Compression of Gases," pp. 6-15 and Pumping of Liquids and Gases, pp. 6-30 and 6-32.
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