Method and apparatus for lifting liquids from gas wells

Details Method and apparatus for lifting liquids from gas wells Method and apparatus for lifting liquids from gas wells

2007-05-01

2007-05-01

Gay, Jennifer H. (Department: 3672)

Wells

Processes

Producing the well

C166S370000, C166S105000, C137S155000

Reexamination Certificate

active

10849745

ABSTRACT:
A downhole apparatus and method for maintaining or reducing the level of liquids at the bottom of a gas producing well is described including a constriction or throat section, such as a Venturi, in which a production gas flow from the well is used to generate a low pressure zone having a pressure less that the ambient formation gas pressure and at least one conduit providing a flow path from an up-stream location within said well to said low pressure zone. The conduit may have additional opening for production gas to enter the conduit.

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patent: 2004/0144545 (2004-07-01), Lauritzen et al.
patent: 2 261 030 (1993-05-01), None
Hutlas et al, A practical approach to removing gas well liquids, Journal of Petroleum Technology, Aug. 1972, pp. 916-922.
Turner et al, Analysis and prediction of minimum flow rate for the continuous removal of liquids from gas wells, SPE 2198 (Society of the Petroleum Engineers of AIME), Nov. 1969, pp. 1475-1482.

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