WO2008063732A3 - Liquefied natural gas plant with enhanced operating flexibility - Google Patents

Liquefied natural gas plant with enhanced operating flexibility Download PDF

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Publication number
WO2008063732A3
WO2008063732A3 PCT/US2007/077624 US2007077624W WO2008063732A3 WO 2008063732 A3 WO2008063732 A3 WO 2008063732A3 US 2007077624 W US2007077624 W US 2007077624W WO 2008063732 A3 WO2008063732 A3 WO 2008063732A3
Authority
WO
WIPO (PCT)
Prior art keywords
natural gas
liquefied natural
gas plant
operating flexibility
enhanced operating
Prior art date
Application number
PCT/US2007/077624
Other languages
French (fr)
Other versions
WO2008063732A2 (en
Inventor
Weldon L Ransbarger
Jon M Mock
Cyrus B Meher-Homji
Original Assignee
Conocophillips Co
Weldon L Ransbarger
Jon M Mock
Cyrus B Meher-Homji
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conocophillips Co, Weldon L Ransbarger, Jon M Mock, Cyrus B Meher-Homji filed Critical Conocophillips Co
Publication of WO2008063732A2 publication Critical patent/WO2008063732A2/en
Publication of WO2008063732A3 publication Critical patent/WO2008063732A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0203—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle
    • F25J1/0208—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop
    • F25J1/0209—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade
    • F25J1/021—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade using a deep flash recycle loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/004—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by flash gas recovery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0085—Ethane; Ethylene
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0087—Propane; Propylene
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0244—Operation; Control and regulation; Instrumentation
    • F25J1/0245—Different modes, i.e. 'runs', of operation; Process control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0281—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
    • F25J1/0283—Gas turbine as the prime mechanical driver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A method of increasing the production rate and operational flexibility of an LNG facility by overfiring one or more modular gas turbines employed to drive one or more refrigerant compressors in the LNG facility.
PCT/US2007/077624 2006-11-16 2007-09-05 Liquefied natural gas plant with enhanced operating flexibility WO2008063732A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/560,634 2006-11-16
US11/560,634 US20080115529A1 (en) 2006-11-16 2006-11-16 Liquefied natural gas plant with enhanced operating flexibility

Publications (2)

Publication Number Publication Date
WO2008063732A2 WO2008063732A2 (en) 2008-05-29
WO2008063732A3 true WO2008063732A3 (en) 2008-07-17

Family

ID=39415578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/077624 WO2008063732A2 (en) 2006-11-16 2007-09-05 Liquefied natural gas plant with enhanced operating flexibility

Country Status (5)

Country Link
US (1) US20080115529A1 (en)
AR (1) AR062870A1 (en)
CL (1) CL2007002675A1 (en)
PE (1) PE20081108A1 (en)
WO (1) WO2008063732A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101259238B1 (en) 2007-12-07 2013-04-29 드렛서-랜드 캄파니 Compressor system and method for gas liquefaction system
AU2009292077B2 (en) * 2008-09-09 2015-05-07 Conocophillips Company System for enhanced gas turbine performance in a liquefied natural gas facility
US20100154469A1 (en) * 2008-12-19 2010-06-24 Chevron U.S.A., Inc. Process and system for liquefaction of hydrocarbon-rich gas stream utilizing three refrigeration cycles
US8257508B2 (en) * 2009-01-30 2012-09-04 Conocophillips Company Method and system for deriming cryogenic heat exchangers
US8257509B2 (en) * 2010-01-27 2012-09-04 Conocophillips Company Method and apparatus for deriming cryogenic equipment
AU2011221562B2 (en) 2010-03-05 2016-04-14 Exxonmobil Upstream Research Company Flexible liquefied natural gas plant
US10852060B2 (en) 2011-04-08 2020-12-01 Pilot Energy Solutions, Llc Single-unit gas separation process having expanded, post-separation vent stream
KR101792708B1 (en) * 2016-06-22 2017-11-02 삼성중공업(주) Apparatus of fluid cooling

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631914A (en) * 1985-02-25 1986-12-30 General Electric Company Gas turbine engine of improved thermal efficiency
US5400588A (en) * 1992-10-16 1995-03-28 Kabushiki Kaisha Kobe Seiko Sho Mechanism for firing gas turbines with liquefied natural gas
US6250244B1 (en) * 1995-10-05 2001-06-26 Bhp Petroleum Pty Ltd Liquefaction apparatus
US6519944B2 (en) * 2000-10-18 2003-02-18 General Electric Company Method of generating a transient plant power boost in a gas turbine apparatus
US6794766B2 (en) * 2001-06-29 2004-09-21 General Electric Company Method and operational strategy for controlling variable stator vanes of a gas turbine power generator compressor component during under-frequency events
US6810675B2 (en) * 2001-03-27 2004-11-02 Alstom Technology Ltd Method for operating a combined-cycle power station

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GB2149902B (en) * 1983-11-18 1987-09-03 Shell Int Research A method and a system for liquefying a gas in particular a natural gas
US5139548A (en) * 1991-07-31 1992-08-18 Air Products And Chemicals, Inc. Gas liquefaction process control system
JP2877098B2 (en) * 1995-12-28 1999-03-31 株式会社日立製作所 Gas turbines, combined cycle plants and compressors
US5806298A (en) * 1996-09-20 1998-09-15 Air Products And Chemicals, Inc. Gas turbine operation with liquid fuel vaporization
US6324867B1 (en) * 1999-06-15 2001-12-04 Exxonmobil Oil Corporation Process and system for liquefying natural gas
EP1217473A1 (en) * 2000-12-21 2002-06-26 Abb Research Ltd. Optimizing plant control values of a power plant
US6853930B2 (en) * 2001-02-27 2005-02-08 Hitachi, Ltd. System for aiding the preparation of operation and maintenance plans for a power generation installation
US6691531B1 (en) * 2002-10-07 2004-02-17 Conocophillips Company Driver and compressor system for natural gas liquefaction
US6640586B1 (en) * 2002-11-01 2003-11-04 Conocophillips Company Motor driven compressor system for natural gas liquefaction
US20040103068A1 (en) * 2002-11-22 2004-05-27 Eker Sukru Alper Process for optimally operating an energy producing unit and an energy producing unit
US8744864B2 (en) * 2003-07-29 2014-06-03 General Electric Company Methods and systems for generating a financial report
EP1705542B1 (en) * 2005-03-24 2008-08-06 Abb Research Ltd. Estimating health parameters or symptoms of a degrading system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631914A (en) * 1985-02-25 1986-12-30 General Electric Company Gas turbine engine of improved thermal efficiency
US5400588A (en) * 1992-10-16 1995-03-28 Kabushiki Kaisha Kobe Seiko Sho Mechanism for firing gas turbines with liquefied natural gas
US6250244B1 (en) * 1995-10-05 2001-06-26 Bhp Petroleum Pty Ltd Liquefaction apparatus
US6519944B2 (en) * 2000-10-18 2003-02-18 General Electric Company Method of generating a transient plant power boost in a gas turbine apparatus
US6810675B2 (en) * 2001-03-27 2004-11-02 Alstom Technology Ltd Method for operating a combined-cycle power station
US6794766B2 (en) * 2001-06-29 2004-09-21 General Electric Company Method and operational strategy for controlling variable stator vanes of a gas turbine power generator compressor component during under-frequency events

Also Published As

Publication number Publication date
WO2008063732A2 (en) 2008-05-29
US20080115529A1 (en) 2008-05-22
AR062870A1 (en) 2008-12-10
PE20081108A1 (en) 2008-09-04
CL2007002675A1 (en) 2008-03-24

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