Process for increasing flow capacity of gas wells

Details Process for increasing flow capacity of gas wells Process for increasing flow capacity of gas wells

2006-04-25

2006-04-25

Walker, Zakiya (Department: 3672)

Wells

Processes

Producing the well

C166S311000

Reexamination Certificate

active

07032674

ABSTRACT:
The removal of liquids from the reservoir and/or the fracture-proppant pack of gas wells is described. Water that is trapped by capillary and viscous forces in areas of low velocity are mobilized by the application of an abrupt flowing-pressure reduction or shock. Liquids are then recovered from the wellbore to prevent hydrostatic back-pressure restrictions on the gas well. Flow at the reduced pressure is continued until liquid recovery from the wellbore reaches a minimum. The well is then returned to the normal operating pressure.

REFERENCES:
patent: 4090564 (1978-05-01), Cook et al.
patent: 4359092 (1982-11-01), Jones
patent: 5310002 (1994-05-01), Blauch et al.
patent: 6089322 (2000-07-01), Kelley et al.
patent: 2003/0198562 (2003-10-01), Blauch et al.

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