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PE20091872A1 - NATURAL GAS LIQUEFACTION - Google Patents

NATURAL GAS LIQUEFACTION

Info

Publication number
PE20091872A1
PE20091872A1 PE2009001054A PE2009001054A PE20091872A1 PE 20091872 A1 PE20091872 A1 PE 20091872A1 PE 2009001054 A PE2009001054 A PE 2009001054A PE 2009001054 A PE2009001054 A PE 2009001054A PE 20091872 A1 PE20091872 A1 PE 20091872A1
Authority
PE
Peru
Prior art keywords
flow
natural gas
cooled
condensed
fraction
Prior art date
Application number
PE2009001054A
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 PE20091872A1 publication Critical patent/PE20091872A1/en

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  • Separation By Low-Temperature Treatments (AREA)

Abstract

REFERIDO A UN PROCESO PARA LA LICUEFACCION DE GAS NATURAL QUE CONTIENE METANO Y COMPONENTES DE HIDROCARBUROS MAS PESADOS, EN DONDE EL FLUJO DE GAS NATURAL SE ENFRIA BAJO PRESION PARA CONDENSAR POR LO MENOS UNA PORCION DEL MISMO Y FORMAR UN FLUJO CONDENSADO Y 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 PASO DE ENFRIAMIENTO O MAS; B) EXPANDIR, A UNA PRESION INTERMEDIA, EL FLUJO DE GAS NATURAL ENFRIADO; C) DIRIGIR EL FLUJO DE GAS NATURAL ENFRIADO Y EXPANDIDO A UNA COLUMNA DE DESTILACION, EN DONDE 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 BAJO PRESION LA FRACCION DE GAS RESIDUAL PARA CONDENSAR AL MENOS UNA PORCION DE LA MISMA; E) DIVIDIR AL MENOS EN DOS PORCIONES PARA FORMAR DE ESTE MODO EL FLUJO CONDENSADO Y UN FLUJO DE LIQUIDO; Y F) DIRIGIR DICHO FLUJO LIQUIDO A LA COLUMNA DE DESTILACION COMO ALIMENTACION SUPERIOR PARA LA MISMAREFERRED TO A PROCESS FOR THE LIQUEFACTION OF NATURAL GAS CONTAINING METHANE AND HIGHER HYDROCARBON COMPONENTS, WHERE THE FLOW OF NATURAL GAS IS COOLED UNDER PRESSURE TO CONDENSATE AT LEAST A PORTION OF THE SAME AND FORM A CONDENSED FLOW AND CONDENSED FLOW EXPANDS TO LOWER PRESSURE TO FORM SUCH LIQUEFIED NATURAL GAS FLOW. IN THE PROCESS, THE NATURAL GAS FLOW TO BE LIQUEFIED INCLUDES THE STEPS: A) TREATING SAID NATURAL GAS FLOW IN A COOLING STEP OR MORE; B) EXPAND, AT AN INTERMEDIATE PRESSURE, THE FLOW OF COOLED NATURAL GAS; C) DIRECTING THE FLOW OF COOLED AND EXPANDED NATURAL GAS TO A DISTILLATION COLUMN, WHERE SAID FLOW IS SEPARATED INTO A VOLATILE RESIDUAL GAS FRACTION CONTAINING A MAIN PORTION OF SAID METHANE AND LIGHTER COMPONENTS WITH A RELATIVE VOLATILE FRACTION. A MAJOR PORTION OF SAID HIGHER HYDROCARBON COMPONENTS; D) COOL UNDER PRESSURE THE FRACTION OF RESIDUAL GAS TO CONDENSATE AT LEAST A PORTION OF IT; E) DIVIDE AT LEAST IN TWO PORTIONS TO FORM IN THIS WAY THE CONDENSED FLOW AND A LIQUID FLOW; AND F) DIRECT SAID LIQUID FLOW TO THE DISTILLATION COLUMN AS UPPER FEED FOR THE SAME

PE2009001054A 2002-06-04 2002-06-11 NATURAL GAS LIQUEFACTION PE20091872A1 (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
PE20091872A1 true PE20091872A1 (en) 2009-12-19

Family

ID=41665350

Family Applications (4)

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

Family Applications Before (2)

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

Family Applications After (1)

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

Country Status (1)

Country Link
PE (4) PE20091871A1 (en)

Also Published As

Publication number Publication date
PE20091874A1 (en) 2009-12-19
PE20090269A1 (en) 2009-03-19
PE20091871A1 (en) 2009-12-19

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Legal Events

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