F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/02 (2006.01) B23K 9/173 (2006.01) B23K 35/30 (2006.01) B60K 15/03 (2006.01) C22C 38/00 (2006.01) C22C 38/04 (2006.01) C22C 38/06 (2006.01) C22C 38/08 (2006.01) C22C 38/12 (2006.01) C22C 38/14 (2006.01) C22C 38/16 (2006.01) F17C 1/00 (2006.01) F17C 1/14 (2006.01) F17C 3/00 (2006.01) F17C 3/02 (2006.01) F17C 7/00 (2006.01) F17C 7/02 (2006.01) F17C 13/00 (2006.01) F17D 1/08 (2006.01) F25J 1/02 (2006.01)
Patent
CA 2292713
This invention relates to a process for liquefying a pressurized gas stream (10) rich in methane in which the liquefication of the gas stream occurs in a heat exchanger (33) being cooled by a closed-loop multi- component refrigeration system (45) to produce a methane-rich liquid product having a temperature above about -112 °C (-170 °F) and a pressure sufficient for the liquid product to be at or below its bubble point. The liquefied gas product is then introduced to a storage means (50) at a temperature above about-112 °C (-170 °F).
L'invention concerne un procédé de liquéfaction d'un courant gazeux sous pression (PLNG) (10) riche en méthane, la liquéfaction de ce courant gazeux se produisant dans un échangeur thermique (33) refroidi par un système de réfrigération (45) à constituants multiples en boucle fermée (MCR), afin de produire un produit liquide riche en méthane, dont la température est supérieure à -112 DEG C (-170 DEG F) environ et la pression suffisante pour que ce produit liquide se trouve au niveau de son point de bulle ou en deçà de celui-ci. Ce produit gazeux liquéfié est ensuite introduit dans un organe de stockage (50), à une température supérieure à -112 DEG C (-170 DEG F) environ.
Bowen Ronald R.
Cole Eric T.
Kelley Lonny R.
Kimble Edward L.
Thomas Eugene R.
Borden Ladner Gervais Llp
Exxon Production Research Company
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