LNG production in cryogenic natural gas processing plants

Details LNG production in cryogenic natural gas processing plants LNG production in cryogenic natural gas processing plants

2005-05-10

2005-05-10

Doerrler, William C. (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

C062S621000

Reexamination Certificate

active

06889523

ABSTRACT:
A process for liquefying natural gas in conjunction with processing natural gas to recover natural gas liquids (NGL) is disclosed. In the process, the natural gas stream to be liquefied is taken from one of the streams in the NGL recovery plant and cooled under pressure to condense it. A distillation stream is withdrawn from the NGL recovery plant to provide some of the cooling required to condense the natural gas stream. A portion of the condensed stream is expanded to an intermediate pressure and then used to provide some of the cooling required to condense the natural gas stream, and thereafter routed to the NGL recovery plant so that any heavier hydrocarbons it contains can be recovered in the NGL product. The remaining portion of the condensed stream is expanded to low pressure to form the liquefied natural gas stream.

REFERENCES:
patent: 2952984 (1960-09-01), Marshall
patent: 3292380 (1966-12-01), Bucklin
patent: 3837172 (1974-09-01), Markbreiter et al.
patent: 4140504 (1979-02-01), Campbell et al.
patent: 4157904 (1979-06-01), Campbell et al.
patent: 4171964 (1979-10-01), Campbell et al.
patent: 4185978 (1980-01-01), McGalliard et al.
patent: 4251249 (1981-02-01), Gulsby
patent: 4278457 (1981-07-01), Campbell et al.
patent: 4445917 (1984-05-01), Chiu
patent: 4519824 (1985-05-01), Huebel
patent: 4525185 (1985-06-01), Newton
patent: 4545795 (1985-10-01), Liu et al.
patent: 4600421 (1986-07-01), Kummann
patent: 4617039 (1986-10-01), Buck
patent: 4687499 (1987-08-01), Aghili
patent: 4689063 (1987-08-01), Paradowski et al.
patent: 4690702 (1987-09-01), Paradowski et al.
patent: 4707170 (1987-11-01), Ayres et al.
patent: 4710214 (1987-12-01), Sharma et al.
patent: 4755200 (1988-07-01), Liu et al.
patent: 4851020 (1989-07-01), Montgomery IV
patent: 4854955 (1989-08-01), Campbell et al.
patent: 4869740 (1989-09-01), Campbell et al.
patent: 4889545 (1989-12-01), Campbell et al.
patent: 4895584 (1990-01-01), Buck et al.
patent: RE33408 (1990-10-01), Khan et al.
patent: 5114451 (1992-05-01), Rambo et al.
patent: 5275005 (1994-01-01), Campbell et al.
patent: 5291736 (1994-03-01), Paradowski
patent: 5363655 (1994-11-01), Kikkawa et al.
patent: 5365740 (1994-11-01), Kikkawa et al.
patent: 5555748 (1996-09-01), Campbell et al.
patent: 5566554 (1996-10-01), Vijayaraghavan et al.
patent: 5568737 (1996-10-01), Campbell et al.
patent: 5600969 (1997-02-01), Low
patent: 5615561 (1997-04-01), Houshmand et al.
patent: 5651269 (1997-07-01), Prevost et al.
patent: 5755114 (1998-05-01), Foglietta
patent: 5755115 (1998-05-01), Manley
patent: 5771712 (1998-06-01), Campbell et al.
patent: 5799507 (1998-09-01), Wilkinson et al.
patent: 5881569 (1999-03-01), Campbell et al.
patent: 5890378 (1999-04-01), Rambo et al.
patent: 5893274 (1999-04-01), Nagelvoort et al.
patent: 5983664 (1999-11-01), Campbell et al.
patent: 6014869 (2000-01-01), Elion et al.
patent: 6023942 (2000-02-01), Thomas et al.
patent: 6053007 (2000-04-01), Victory et al.
patent: 6062041 (2000-05-01), Kikkawa et al.
patent: 6116050 (2000-09-01), Yao et al.
patent: 6119479 (2000-09-01), Roberts et al.
patent: 6125653 (2000-10-01), Shu et al.
patent: 6182469 (2001-02-01), Campbell et al.
patent: 6250105 (2001-06-01), Kimble
patent: 6269655 (2001-08-01), Roberts et al.
patent: 6272882 (2001-08-01), Hodges et al.
patent: 6308531 (2001-10-01), Roberts et al.
patent: 6324867 (2001-12-01), Fanning et al.
patent: 6336344 (2002-01-01), O'Brien
patent: 6347532 (2002-02-01), Agrawal et al.
patent: 6363744 (2002-04-01), Finn et al.
patent: 6367286 (2002-04-01), Price
patent: 6526777 (2003-03-01), Campbell et al.
patent: 20030158458 (2003-08-01), Prim
patent: WO 0188447 (2001-11-01), None
U.S. Appl. No. 09/677,220, filed Oct. 2, 2000, Wilkinson et al.
U.S. Appl. No. 10/161,780, filed Jun. 4, 2002, Wilkinson et al.
U.S. Appl. No. 10/278,610, filed Oct. 23, 2002, Wilkinson et al.
Finn, Adrain J., Grant L. Johnson, and Terry R. Iomlinson, “LNG Technology for Offshore and Mid-Scale Plants”, Proceedings of the Seventy-Ninth Annual Convention of the Gas Processors Association, pp. 429-450, Atlanta, Georgia, Mar. 13-15, 2000.
Kikkawa, Yoshitsugi, Masaaki Ohishi, and Noriyoshi Nozawa, “Optimize the Power System of Baseload LNG Plant”, Proceedings of the Eightieth Annual Convention of the Gas Processors Association, San Antonino, Texas, Mar. 12-14, 2001.
Price, Brian C., “LNG Production for Peak Shaving Operations”, Proceedings of the Seventy-Eighth Annual Convention of the Gas Processors Association, pp. 273-280, Nashville, Tennessee, Mar. 1-3, 1999.

Affiliated with

Also associated with

Rating

LNG production in cryogenic natural gas processing plants does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with LNG production in cryogenic natural gas processing plants, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and LNG production in cryogenic natural gas processing plants will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3382435