EP2364413B1 - Verfahren zur erhöhung der gasmassenstromeinspritzraten für gasspeicherkavernen unter verwendung von lng - Google Patents

Verfahren zur erhöhung der gasmassenstromeinspritzraten für gasspeicherkavernen unter verwendung von lng Download PDF

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Publication number
EP2364413B1
EP2364413B1 EP08877918.6A EP08877918A EP2364413B1 EP 2364413 B1 EP2364413 B1 EP 2364413B1 EP 08877918 A EP08877918 A EP 08877918A EP 2364413 B1 EP2364413 B1 EP 2364413B1
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Prior art keywords
gas
lng
natural gas
compressor
flow line
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EP08877918.6A
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English (en)
French (fr)
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EP2364413A4 (de
EP2364413A1 (de
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Jose Lourenco
Mackenzie Millar
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1304342 Alberta Ltd
1304338 Alberta Ltd
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1304342 Alberta Ltd
1304338 Alberta Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0339—Heat exchange with the fluid by cooling using the same fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • F17C2227/0395—Localisation of heat exchange separate using a submerged heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0439—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0636—Flow or movement of content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/023—Avoiding overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/025—Reducing transfer time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0142—Applications for fluid transport or storage placed underground
    • F17C2270/0144—Type of cavity
    • F17C2270/0149—Type of cavity by digging cavities
    • F17C2270/0152—Salt caverns

Definitions

  • the present invention relates to a method of increasing gas mass flow injection rates to gas storage caverns using LNG.
  • Natural gas is traditionally stored in a gaseous form in large volume salt caverns and aquifers to meet peak demand and ensure a secure supply.
  • the gas is added to storage by compression, resulting in an increment in cavern temperature and an increment in cavern pressure. These increments in pressure and temperature in the cavern decrease the rate at which gas can be added to the cavern.
  • Document CA 2 518 235 describes methods of filling such salt caverus with natural gas.
  • a method to increase gas mass flow injection rates to a gas storage cavern includes using liquid natural gas (LNG) to cool natural gas in a natural gas flow line upstream of a compressor used to compress gas for storage in to a gas storage cavern.
  • LNG liquid natural gas
  • Gas is supplied from main pipeline stream 1.
  • the gas to storage is routed through line 2 to exchanger 30 where it is cooled by LNG.
  • the cooler gas exits exchanger 30 via stream 3 to knock out drum 31, to remove any condensate and debris present in the stream.
  • the condensate is removed through stream 4.
  • the cold gas is routed through stream 5 to compressor 32 for injection into cavern 33 via stream 6.
  • LNG is supplied from tank 35 and is routed through line 8 to pump 36 where it is pressurized and routed through line 9.
  • the LNG is routed through line 10 to exchanger 30, to cool the gas to storage and exits the exchanger through line 11.
  • the gas in stream 11 is colder than compressed gas in stream 6.
  • the gas can then be routed through valve 39 and line 12 to mix directly with stream 6 in mixer 41, increasing the gas density of gas stream 7 to storage 33.
  • the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is available.
  • the operating conditions for the cavern are monitored by pressure and temperature sensors 34.
  • the objective is to increase the gas injection rate of compressor 32 by lowering the temperature of the gas suction line to the compressor, making the gas denser, thus increasing the mass flow rate and also decreasing the compressor outlet temperature.
  • the compressor outlet temperature can be further decreased by direct mixing of stream 12 with stream 6. For every incremental decrease in the temperature of gas entering cavern 33, the amount of gas cavern 33 is capable of storing increases. If it is desirable to further decrease the temperature of cavern 33, the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is followed.
  • Gas is supplied from main pipeline stream 1.
  • the gas to storage is routed through line 2 to exchanger 30 where it is cooled by LNG.
  • the cooler gas exits exchanger 30 via stream 3 to knock out drum 31 to remove any condensate and debris present in the stream.
  • the condensate is removed through stream 4.
  • the cold gas is routed through stream 5 to compressor 32, where it is compressed and delivered through line 6 to exchanger 41 where it is cooled.
  • the compressed and cooled stream 7 mixes with stream 11 and is stored through line 12 into gas cavern storage 33.
  • LNG is supplied from tank 35 and is routed through line 8 to pump 36 where it is pressurized and routed through line 9.
  • the LNG is routed to exchanger 30, to cool the gas to storage and exits the exchanger through line 10.
  • the gas in stream 10 is colder than compressed gas in stream 6.
  • the gas stream 10 enters exchanger 41 to cool the compressor discharge gas.
  • the gas can then be routed through valve 39 to mix directly with stream 7 to storage 33 through line 12.
  • the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is available.
  • the operating conditions for the cavern are monitored by pressure and temperature sensors 34 .
  • the objective is to increase the gas mass flow injection rate of compressor 32 by lowering the temperature of the gas suction line to the compressor, making the gas denser, thus increasing the mass flow rate whilst also decreasing the compressor outlet temperature.
  • the compressor outlet temperature is further decreased by indirect mixing of stream 10 with stream 6 thus further improving the power requirements for compression.
  • the described embodiment of Fig.3 provides the ability for gas cavern operators to increase the mass flow gas injection rates to cavern storage.
  • the stored gas exits the cavern via stream 50 to meet demand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (10)

  1. Verfahren zur Erhöhung von Gasmassenstrom-Einspeiseraten zu einer Gasspeicherkaverne, umfassend:
    Verwenden von Flüssigerdgas (LNG), um Erdgas in einer Erdgasstromleitung stromauf eines Kompressors zu kühlen, der dazu verwendet wird, Gas zum Einspeichern in eine Gasspeicherkaverne zu verdichten.
  2. Verfahren nach Anspruch 1, umfassend einen Schritt des Durchführens eines Wärmeaustauschs zwischen dem Erdgas in der Erdgasstromleitung stromauf des Kompressors und LNG, das durch einen Wärmetauscher hindurchgeführt wird.
  3. Verfahren nach Anspruch 1, umfassend einen Schritt des Verwendens von LNG, um Erdgas in der Erdgasstromleitung stromab eines Kompressors zu kühlen, ehe das verdichtete Erdgas in die Gasspeicherkaverne eintritt.
  4. Verfahren nach Anspruch 3, umfassend einen Schritt des Einspeisens von LNG in die Erdgasstromleitung stromab des Kompressors.
  5. Verfahren nach Anspruch 3, umfassend einen Schritt des Durchführens eines Wärmeaustausches zwischen dem Erdgas in der Gasstromleitung stromab des Kompressors und LNG, das durch einen Wärmetauscher hindurchgeführt wird.
  6. Verfahren nach Anspruch 1, umfassend einen Schritt des Durchführens von direktem Einspeisen von LNG in die Gasspeicherkaverne.
  7. Verfahren nach Anspruch 4, umfassend einen Schritt des Überwachens einer Temperatur der Gasspeicherkaverne und des Regelns des Einspeisens von LNG in die Erdgasstromleitung stromab des Kompressors basierend auf der Temperatur der Gasspeicherkaverne.
  8. Verfahren zur Erhöhung von Gasmassenstrom-Einspeiseraten zu einer Gasspeicherkaverne, umfassend:
    Durchführen eines Wärmeaustauschs zwischen dem Erdgas in einer Erdgasstromleitung stromauf eines Kompressors, der dazu verwendet wird, Gas zum Einspeichern in eine Gasspeicherkaverne zu verdichten, und Flüssigerdgas (LNG), das durch einen stromaufwärtigen Wärmetauscher geführt wird, um Erdgas in der Erdgasstromleitung stromauf eines Kompressors zu kühlen, der dazu verwendet wird, Gas zum Einspeichern in eine Gasspeicherkaverne zu verdichten; und
    Einspeisen von LNG, das durch den stromaufwärtigen Wärmetauscher geführt wurde, in eine aus der Gruppe umfassend die Erdgasstromleitung stromab des Kompressors und die Gasspeicherkaverne.
  9. Verfahren nach Anspruch 8, umfassend einen Schritt des Durchführens eines Wärmeaustauschs zwischen dem Erdgas in der Gasstromleitung stromab des Kompressors und LNG, das durch einen stromabwärtigen Wärmetauscher tritt.
  10. Verfahren nach Anspruch 8, umfassend einen Schritt des Überwachens einer Temperatur der Gasspeicherkaverne und des Durchführens des Einspeisens von LNG in eine aus der Gruppe umfassend die Erdgasspeicherstromleitung stromab des Kompressors und die Gasspeicherkaverne, wie dies erforderlich ist, um die Gasspeicherkaverne auf einer vorgegebenen Temperatur zu halten.
EP08877918.6A 2008-11-10 2008-11-10 Verfahren zur erhöhung der gasmassenstromeinspritzraten für gasspeicherkavernen unter verwendung von lng Active EP2364413B1 (de)

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Application Number Priority Date Filing Date Title
PCT/CA2008/001975 WO2010051617A1 (en) 2008-11-10 2008-11-10 Method to increase gas mass flow injection rates to gas storage caverns using lng

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EP2364413A1 EP2364413A1 (de) 2011-09-14
EP2364413A4 EP2364413A4 (de) 2014-12-31
EP2364413B1 true EP2364413B1 (de) 2016-06-15

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CN102392935B (zh) * 2011-10-27 2014-07-30 中国寰球工程公司 液化天然气装车系统和方法

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Also Published As

Publication number Publication date
EP2364413A4 (de) 2014-12-31
EP2364413A1 (de) 2011-09-14
US20110214839A1 (en) 2011-09-08
WO2010051617A1 (en) 2010-05-14

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