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PE20090269A1 - NATURAL GAS LIQUEFACTION - Google Patents

NATURAL GAS LIQUEFACTION

Info

Publication number
PE20090269A1
PE20090269A1 PE2008002053A PE2008002053A PE20090269A1 PE 20090269 A1 PE20090269 A1 PE 20090269A1 PE 2008002053 A PE2008002053 A PE 2008002053A PE 2008002053 A PE2008002053 A PE 2008002053A PE 20090269 A1 PE20090269 A1 PE 20090269A1
Authority
PE
Peru
Prior art keywords
flow
natural gas
condensed
cooled
gas flow
Prior art date
Application number
PE2008002053A
Other languages
Spanish (es)
Inventor
Kyle T Cuellar
Hank M Hudson
John D Wilkinson
Original Assignee
Ortloff Engineers 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
Priority claimed from US10/161,780 external-priority patent/US6742358B2/en
Application filed by Ortloff Engineers Ltd filed Critical Ortloff Engineers Ltd
Publication of PE20090269A1 publication Critical patent/PE20090269A1/en

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Abstract

SE REFIERE A UN PROCESO PARA LA LICUEFACCION DE GAS NATURAL JUNTO CON LA PRODUCCION DE UN FLUJO LIQUIDO QUE CONTIENE PREDOMINANTEMENTE HIDROCARBUROS MAS PESADOS QUE EL METANO, EN DONDE: i) EL FLUJO DE GAS NATURAL SE ENFRIA BAJO PRESION PARA CONDENSAR POR LO MENOS UNA PORCION DEL MISMO Y FORMAR UN FLUJO CONDENSADO; Y ii) DICHO FLUJO CONDENSADO SE EXPANDE A PRESION INFERIOR PARA FORMAR DICHO FLUJO DE GAS NATURAL LICUADO. EN EL PROCESO, EL FLUJO DE GAS NATURAL QUE SE VA A LICUAR COMPRENDE LOS PASOS: A) TRATAR DICHO FLUJO DE GAS NATURAL, EN UNO O MAS PASOS DE ENFRIAMIENTO; B) EXPANDIR DICHO FLUJO DE GAS NATURAL ENFRIADO, A UNA PRESION INTERMEDIA; C) DIRIGIR DICHO FLUJO DE GAS NATURAL ENFRIADO Y EXPANDIDO A UNA COLUMNA DE DESTILACION, EN LA CUAL DICHO FLUJO SE SEPARA EN UNA FRACCION DE GAS RESIDUAL VOLATIL QUE CONTIENE UNA PORCION PRINCIPAL DE DICHO METANO Y COMPONENTES MAS LIVIANOS Y UNA FRACCION RELATIVAMENTE MENOS VOLATIL QUE CONTIENE UNA PORCION PRINCIPAL DE DICHOS COMPONENTES DE HIDROCARBUROS MAS PESADOS; D) ENFRIAR DICHA FRACCION DE GAS RESIDUAL VOLATIL BAJO PRESION, PARA CONDENSAR POR LO MENOS UNA PORCION DE LA MISMA Y FORMAR DE ESE MODO DICHO FLUJO CONDENSADO; E) DIVIDIR DICHA PORCION CONDENSADA, POR LO MENOS EN DOS PORCIONES, PARA FORMAR DE ESE MODO DICHO FLUJO CONDENSADO Y UN FLUJO LIQUIDO; Y F) DIRIGIR DICHO FLUJO LIQUIDO A LA MENCIONADA COLUMNA DE DESTILACION EN FORMA DE UNA ALMENTACION SUPERIOR PARA LA MISMAIT REFERS TO A PROCESS FOR THE LIQUEFACTION OF NATURAL GAS TOGETHER WITH THE PRODUCTION OF A LIQUID FLOW THAT CONTAINS PREDOMINANTLY HIGHER HYDROCARBONS THAN METHANE, WHERE: i) THE FLOW OF NATURAL GAS IS COOLED UNDER PRESSURE BY LESS CONDENSING OF THE SAME AND FORM A CONDENSED FLOW; AND ii) SAID CONDENSED FLOW IS EXPANDED TO LOWER PRESSURE TO FORM SAID LIQUEFIED NATURAL GAS FLOW. IN THE PROCESS, THE NATURAL GAS FLOW TO BE LIQUEFIED INCLUDES THE STEPS: A) TREATING SAID NATURAL GAS FLOW, IN ONE OR MORE COOLING STEPS; B) EXPAND SAID COOLED NATURAL GAS FLOW, AT AN INTERMEDIATE PRESSURE; C) DIRECTING SAID COOLED AND EXPANDED NATURAL GAS FLOW TO A DISTILLATION COLUMN, IN WHICH SAID FLOW IS SEPARATED INTO A VOLATILE RESIDUAL GAS FRACTION CONTAINING A MAJOR PORTION OF SAID METHANE AND LIGHTER COMPONENTS THAN A RELATIVELY VOLATILE FRACTION IT CONTAINS A MAJOR PORTION OF SAID HIGHER HYDROCARBON COMPONENTS; D) COOL SAID VOLATILE RESIDUAL GAS FRACTION UNDER PRESSURE, TO CONDENSATE AT LEAST A PORTION OF IT AND FORM IN THAT WAY SAID CONDENSED FLOW; E) DIVIDE SAID CONDENSED PORTION, AT LEAST TWO PORTIONS, TO FORM IN THAT WAY SAID CONDENSED FLOW AND A LIQUID FLOW; AND F) DIRECT SAID LIQUID FLOW TO THE MENTIONED DISTILLATION COLUMN IN THE FORM OF A SUPERIOR SUPPLY FOR THE SAME

PE2008002053A 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION PE20090269A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/161,780 US6742358B2 (en) 2001-06-08 2002-06-04 Natural gas liquefaction

Publications (1)

Publication Number Publication Date
PE20090269A1 true PE20090269A1 (en) 2009-03-19

Family

ID=41665350

Family Applications (4)

Application Number Title Priority Date Filing Date
PE2008002053A PE20090269A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION
PE2009001055A PE20091874A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION
PE2009001054A PE20091872A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION
PE2009001053A PE20091871A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION

Family Applications After (3)

Application Number Title Priority Date Filing Date
PE2009001055A PE20091874A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION
PE2009001054A PE20091872A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION
PE2009001053A PE20091871A1 (en) 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION

Country Status (1)

Country Link
PE (4) PE20090269A1 (en)

Also Published As

Publication number Publication date
PE20091871A1 (en) 2009-12-19
PE20091874A1 (en) 2009-12-19
PE20091872A1 (en) 2009-12-19

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed