WO2015110443A3 - Coastal liquefaction - Google Patents

Coastal liquefaction Download PDF

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Publication number
WO2015110443A3
WO2015110443A3 PCT/EP2015/051058 EP2015051058W WO2015110443A3 WO 2015110443 A3 WO2015110443 A3 WO 2015110443A3 EP 2015051058 W EP2015051058 W EP 2015051058W WO 2015110443 A3 WO2015110443 A3 WO 2015110443A3
Authority
WO
WIPO (PCT)
Prior art keywords
lng
natural gas
gas
flng
ready
Prior art date
Application number
PCT/EP2015/051058
Other languages
French (fr)
Other versions
WO2015110443A2 (en
Inventor
Tor Christensen
Pål Leo ECKBO
Original Assignee
Global Lng Services Ltd.
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 Global Lng Services Ltd. filed Critical Global Lng Services Ltd.
Publication of WO2015110443A2 publication Critical patent/WO2015110443A2/en
Publication of WO2015110443A3 publication Critical patent/WO2015110443A3/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
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0275—Construction and layout of liquefaction equipments, e.g. valves, machines adapted for special use of the liquefaction unit, e.g. portable or transportable devices
    • F25J1/0277—Offshore use, e.g. during shipping
    • F25J1/0278—Unit being stationary, e.g. on floating barge or fixed platform
    • 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"
    • F25J1/0035—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 gas expansion with extraction of work
    • 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
    • F25J1/005—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 expansion of a gaseous refrigerant stream with extraction of work
    • 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
    • F25J1/007—Primary atmospheric gases, mixtures thereof
    • F25J1/0072—Nitrogen
    • 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
    • F25J1/0204—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 as a single flow SCR cycle
    • 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
    • F25J1/0254—Operation; Control and regulation; Instrumentation controlling particular process parameter, e.g. pressure, temperature
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/30—Compression of the feed 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/60—Details about pipelines, i.e. network, for feed or product distribution

Abstract

A method for production of liquefied natural gas (LNG) from a natural gas source, the method comprising introduction of the natural gas into a gas terminal where the gas is pre-treated, where the pre-treated natural gas is led via subsea pipelines to floating liquid natural gas production units (FLNG) offshore, each comprising one or more LNG production unit(s) where the natural gas is liquefied to give LNG and where the LNG is transferred to LNG tankers for transport to markets, wherein the pre-treatment of the gas before transfer to the FLNG comprises separation of liquefied Petroleum Gas (LPG) from the natural gas to give a LNG ready natural gas comprising > 85 % by volume methane, and < 100 ppm C5+ hydrocarbons, where LNG ready natural gas is compressed to a pressure of 140 bar or more in the gas terminal, where the gas is transported in subsea pipelines to the FLNG at this high pressure, and where the pressure of the natural gas is reduced to a working pressure for LNG liquefaction onboard the FLNG, before the LNG ready natural gas is introduced into the LNG production unit(s) for liquefaction, and where the LNG ready natural gas is cooled in a heat exchanger against a heat medium, is described. A system for LNG production using the present method is also described.
PCT/EP2015/051058 2014-01-22 2015-01-21 Coastal liquefaction WO2015110443A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20140072 2014-01-22
NO20140072 2014-01-22

Publications (2)

Publication Number Publication Date
WO2015110443A2 WO2015110443A2 (en) 2015-07-30
WO2015110443A3 true WO2015110443A3 (en) 2015-10-22

Family

ID=52423700

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/051058 WO2015110443A2 (en) 2014-01-22 2015-01-21 Coastal liquefaction

Country Status (1)

Country Link
WO (1) WO2015110443A2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI641789B (en) 2015-07-10 2018-11-21 艾克頌美孚上游研究公司 System and methods for the production of liquefied nitrogen gas using liquefied natural gas
TWI606221B (en) 2015-07-15 2017-11-21 艾克頌美孚上游研究公司 Liquefied natural gas production system and method with greenhouse gas removal
TWI608206B (en) * 2015-07-15 2017-12-11 艾克頌美孚上游研究公司 Increasing efficiency in an lng production system by pre-cooling a natural gas feed stream
SG10202005527RA (en) * 2015-12-14 2020-07-29 Exxonmobil Upstream Res Co Pre-cooling of natural gas by high pressure compression and expansion
SG11201803521SA (en) 2015-12-14 2018-06-28 Exxonmobil Upstream Res Co Method of natural gas liquefaction on lng carriers storing liquid nitrogen
JP6772267B2 (en) 2015-12-14 2020-10-21 エクソンモービル アップストリーム リサーチ カンパニー Methods and systems for separating nitrogen from liquefied natural gas using liquefied nitrogen
WO2018222230A1 (en) 2017-02-24 2018-12-06 Exxonmobil Upstream Research Company Method of purging a dual purpose lng/lin storage tank
US20200025334A1 (en) * 2017-03-02 2020-01-23 The Lisbon Group, Llc Systems And Methods For Transporting Liquefied Natural Gas
KR20240034256A (en) 2018-06-01 2024-03-13 스틸헤드 엘엔지 (에이에스엘엔지) 엘티디. Liquefaction apparatus, methods, and systems
WO2019236246A1 (en) 2018-06-07 2019-12-12 Exxonmobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
US11326834B2 (en) 2018-08-14 2022-05-10 Exxonmobil Upstream Research Company Conserving mixed refrigerant in natural gas liquefaction facilities
US11506454B2 (en) 2018-08-22 2022-11-22 Exxonmobile Upstream Research Company Heat exchanger configuration for a high pressure expander process and a method of natural gas liquefaction using the same
WO2020040951A1 (en) * 2018-08-22 2020-02-27 Exxonmobil Upstream Research Company Managing make-up gas composition variation for a high pressure expander process
AU2019325914B2 (en) 2018-08-22 2023-01-19 ExxonMobil Technology and Engineering Company Primary loop start-up method for a high pressure expander process
WO2020106394A1 (en) 2018-11-20 2020-05-28 Exxonmobil Upstream Research Company Poly refrigerated integrated cycle operation using solid-tolerant heat exchangers
US11215410B2 (en) 2018-11-20 2022-01-04 Exxonmobil Upstream Research Company Methods and apparatus for improving multi-plate scraped heat exchangers
US11668524B2 (en) 2019-01-30 2023-06-06 Exxonmobil Upstream Research Company Methods for removal of moisture from LNG refrigerant
CA3123235A1 (en) 2019-01-30 2020-08-06 Exxonmobil Upstream Research Company Methods for removal of moisture from lng refrigerant
US11465093B2 (en) 2019-08-19 2022-10-11 Exxonmobil Upstream Research Company Compliant composite heat exchangers
US20210063083A1 (en) 2019-08-29 2021-03-04 Exxonmobil Upstream Research Company Liquefaction of Production Gas
WO2021055021A1 (en) 2019-09-19 2021-03-25 Exxonmobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
WO2021055020A1 (en) 2019-09-19 2021-03-25 Exxonmobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
WO2021055074A1 (en) 2019-09-20 2021-03-25 Exxonmobil Upstream Research Company Removal of acid gases from a gas stream, with o2 enrichment for acid gas capture and sequestration
JP2022548529A (en) 2019-09-24 2022-11-21 エクソンモービル アップストリーム リサーチ カンパニー Cargo stripping capabilities for dual-purpose cryogenic tanks on ships or floating storage units for LNG and liquid nitrogen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394187A2 (en) * 1989-04-17 1990-10-24 GebràœDer Sulzer Aktiengesellschaft Method for the recovery of NLG
WO1996017777A1 (en) * 1994-12-08 1996-06-13 Den Norske Stats Oljeselskap A.S Method and system for offshore production of liquefied natural gas
US20030226373A1 (en) * 2002-06-06 2003-12-11 Abb Lummus Global, Randall Gas Technologies LNG floating production, storage, and offloading scheme

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394187A2 (en) * 1989-04-17 1990-10-24 GebràœDer Sulzer Aktiengesellschaft Method for the recovery of NLG
WO1996017777A1 (en) * 1994-12-08 1996-06-13 Den Norske Stats Oljeselskap A.S Method and system for offshore production of liquefied natural gas
US20030226373A1 (en) * 2002-06-06 2003-12-11 Abb Lummus Global, Randall Gas Technologies LNG floating production, storage, and offloading scheme

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