Gas operated pump for hydrocarbon wells

Details Gas operated pump for hydrocarbon wells Gas operated pump for hydrocarbon wells

2005-10-12

2008-11-04

Dang, Hoang (Department: 3672)

Wells

Processes

Producing the well

C166S068000, C166S105000

Reexamination Certificate

active

07445049

ABSTRACT:
Apparatus and methods for improving production from a wellbore are provided. In one embodiment, a downhole pump for use in a wellbore includes a chamber for accumulating formation fluids and a valve assembly for filling and venting gas to and from the chamber. In another embodiment, a gas operated pump for moving wellbore fluids in a wellbore includes a chamber for accumulating wellbore fluids, wherein the chamber in fluid communication with a production tubular and a surface mounted valve assembly in fluid communication with the chamber, wherein the valve assembly adapted to regulate gas flow to or from the chamber. In another embodiment, the valve assembly comprises a removable control valve disposed in a housing.

REFERENCES:
patent: 2336683 (1943-12-01), Hatfield
patent: 2923357 (1960-02-01), Daffin
patent: 3334690 (1967-08-01), Garrett
patent: 3833060 (1974-09-01), Craggs et al.
patent: 3873238 (1975-03-01), Elfarr
patent: 3889748 (1975-06-01), Tausch
patent: 3894583 (1975-07-01), Morgan
patent: 3894814 (1975-07-01), Morgan
patent: 3941510 (1976-03-01), Morgan
patent: 4239082 (1980-12-01), Terral
patent: 4344485 (1982-08-01), Butler
patent: 4390061 (1983-06-01), Short
patent: 4534414 (1985-08-01), Pringle
patent: 4667736 (1987-05-01), Rumbaugh et al.
patent: 4727936 (1988-03-01), Mioduszewski et al.
patent: 4791990 (1988-12-01), Amani
patent: 4901798 (1990-02-01), Amani
patent: 5006046 (1991-04-01), Buckman et al.
patent: 5058670 (1991-10-01), Crawford et al.
patent: 5211242 (1993-05-01), Coleman et al.
patent: 5215146 (1993-06-01), Sanchez
patent: 5318124 (1994-06-01), Ong et al.
patent: 5325917 (1994-07-01), Szarka
patent: 5373897 (1994-12-01), Skarvan
patent: 5671813 (1997-09-01), Lima
patent: 5735346 (1998-04-01), Brewer
patent: 5806598 (1998-09-01), Amani
patent: 5806599 (1998-09-01), Hisaw et al.
patent: 5911278 (1999-06-01), Reitz
patent: 6021849 (2000-02-01), Averhoff
patent: 6068015 (2000-05-01), Pringle
patent: 6206645 (2001-03-01), Pringle
patent: 6227302 (2001-05-01), Pringle et al.
patent: 6237692 (2001-05-01), Averhoff
patent: 6257338 (2001-07-01), Kilgore
patent: 6354377 (2002-03-01), Averhoff
patent: 6619402 (2003-09-01), Amory et al.
patent: 6662872 (2003-12-01), Gutek et al.
patent: 6672392 (2004-01-01), Reitz
patent: 7100695 (2006-09-01), Reitz
patent: 2001/0023614 (2001-09-01), Tubel et al.
patent: 2002/0040785 (2002-04-01), Amani
patent: 2003/0183394 (2003-10-01), Reitz
patent: WO 98/37306 (1998-08-01), None
patent: WO 03/062596 (2003-07-01), None
GB Search Report, Application No. 0620281.6, Dated Jan. 17, 2007.
Camco Subsurface Safety Valves, Schlumberger, www.connect.slb.com, Apr. 2001.

Affiliated with

Also associated with

Rating

Gas operated pump for hydrocarbon wells does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Gas operated pump for hydrocarbon wells, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gas operated pump for hydrocarbon wells will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4048170