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PIPELINE METHANOL INJECTION CALCULATION WORK SHEET Carroll, J.J., "Natural Gas Hydrates. A Guide for Engineers", Gulf Professional Publishers, Amsterdam, Holland, (2003) D i s c l a im im e r : T h e au au t h o r h a s m a d e ev ev e r y e f f o r t t o e n s u r e t h a t th th e s p r e a d s h e e t , i f u s e d u n a l t er er e d , c o n t a i n s n o e r r o r s . T h e m e t h o d p r e s e n t e d i s a s i m p l i f i ed ed o n e , s u i t ab a b l e f o r m a n y a p p l i c a t i o n s . H o w e v e r , th th e u s e r a s s u m e s a l l l i a b i l it it y w h e n u s i n g t h i s s p r e a d s h e e t . W a rn rn i n g : T h i s s h e et et i s u n p r o t e c t ed e d . C h an an g e s c a n b e m a d e t o t h e c a l c u l at at i o n c e l l s a n d t h e s e c h a n g e s w i l l a f f ec ec t t h e r e s u l t .
Green Green Cells Cells Blue Blue Cell Cells: s: Yellow Yellow Cells Cells Purple Purple Cells: Cells:
User User must must inpu inputt thes these e valu values es from from proce process ss data. data. User User gets gets these these value values s from from the the meth methods ods prese presente nted d in the accomp accompany anying ing book. Chapter numbers and figure numbers refer to the above book. These These cells cells are automatic automatically ally calculat calculated. ed. Do not not enter enter values values in in them. them. Calculat Calculated ed injecti injection on rates rates based based on informatio information n provide provided d by user. user. The sheet is probably more complicated than need be because it shows all of the intermediate steps in the calculation.
Lines 5 through 9
The user inputs his own information informat ion to identify the sheet.
Line Line 21
It is reco recomm mmen ende ded d that that a safe safety ty fact factor or of at leas leastt 5 Fahr Fahren enhe heit it degr degree ees s or 3 Celsius degrees be included in the calculation. The policy of your company may specify a different safety factor. f actor.
PIPELINE METHANOL INJECTION CALCULATION WORK SHEET Carroll, J.J., "Natural Gas Hydrates. A Guide for Engineers", Gulf Professional Publishers, Amsterdam, Holland, (2003)
Prepared by: Client: Project Date: Quantity
Line Pressure Gas Flow Rate Condensate Flow Rate Water Flow Rate Inlet Temperature Water Content at Inlet Outlet Temperature Water Content at Outlet Hydrate Temperature Safety Factor Depression Required Methanol in Water Change in Water Content Water of Condensation Water of Condensation Total Water Total Water Methanol in Water Methanol Rate for Water Methanol in Gas Ratio of Methanol Gas/Water Methanol Rate for Gas Methanol in Condensate Methanol in Condensate Molecular Weight of Condensate Density of Condensate Density of Condensate Flow Rate of Condensate Methanol in Condensate Methanol Rate for Condensate TOTAL METHANOL TOTAL METHANOL TOTAL METHANOL
31-Oct-02
Job Number:
Units
Comments
Value
psia MMCFD bpd bpd °F lb/MMCF °F lb/MMCF °F °F °F
input parameter input parameter input parameter input parameter input parameter see Chapter 10 see Chapter 7 see Chapter 10 see Chapters 3 and 4 typically 5°F
PIPELINE METHANOL INJECTION CALCULATION WORK SHEET Carroll, J.J., "Natural Gas Hydrates. A Guide for Engineers", Gulf Professional Publishers, Amsterdam, Holland, (2003)
Prepared by: Client: Project Date: Quantity
Line Pressure Gas Flow Rate Condensate Flow Rate Water Flow Rate Inlet Temperature Water Content at Inlet Outlet Temperature Water Content at Outlet Hydrate Temperature Safety Factor Depression Required Methanol in Water Change in Water Content Water of Condensation Water of Condensation Total Water Total Water Methanol in Water Methanol Rate for Water Methanol in Gas Ratio of Methanol Gas/Water Methanol Rate for Gas Methanol in Condensate Methanol in Condensate Molecular Weight of Condensate Density of Condensate Flow Rate of Condensate Methanol in Condensate Methanol Rate for Condensate TOTAL METHANOL TOTAL METHANOL TOTAL METHANOL
31-Oct-02
Job Number:
Units
Comments
Value
kPa 1000 Sm³/d m³/d m³/d °C mg/Sm³ °C mg/Sm³ °C °C °C
input parameter input parameter input parameter input parameter input parameter see Chapter 10 see Chapter 7 see Chapter 10 see Chapters 3 and 4 typically 3°C