Chemical delivery system for plunger lift

Details Chemical delivery system for plunger lift Chemical delivery system for plunger lift

2007-08-07

2010-02-02

Bagnell, David J (Department: 3672)

Wells

Above ground apparatus

With means for inserting fluid into well

C166S068000, C166S902000, C166S310000, C166S263000

Reexamination Certificate

active

07654314

ABSTRACT:
An improvement in a chemical delivery system for a plunger lift for enhancing oil and gas recovery in a well having a well head and which employs a plunger includes a chamber communicably connected to a top of the well head and operably disposed thereon and including a ball check valve device which controls communication between a first section which receives chemicals therein for delivery into the well and a second section which communicates chemicals from the first section to a plunger in the well, and means for retaining the ball valve in one of an open position and a closed position as a function of the well being shut in.

REFERENCES:
patent: 3412798 (1968-11-01), Gregston
patent: 4042033 (1977-08-01), Holland et al.
patent: 4224993 (1980-09-01), Huckaby
patent: 5052484 (1991-10-01), Gesta
patent: 5450897 (1995-09-01), Brown
patent: 7004258 (2006-02-01), Farris

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