Deliquification - George E King Petroleum Engineering Oil and Gas ...

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Gas Wells: Two Facts• Potential: Very long life in some cases –30 to over 70 years and large recovery forevery extra 10 psi drawdown.• Challenge: Liquid loading from condensedor connate fluids will kill or sharply reducethe production.www.GEKEngineering.com 4
Page 1 and 2: Low Pressure Gas WellDeliverability
Page 3: US Mature Well Base (2001)• 880,0
Page 7 and 8: Gas Rate (mscf/d)300025002000Turner
Page 9 and 10: Gas Flow Rate, MSCFDSmall Gas Well
Page 11 and 12: How Much Can We Pay?$300,000$250,00
Page 13 and 14: MonoboreHighPackerLiner and& GapLon
Page 15 and 16: Liquids in Gas Wells• Gas phase -
Page 17 and 18: STB/MMscfWater Content of Wet GasPr
Page 19 and 20: Diagnostics: The production history
Page 21 and 22: Note pressuresLiquidholdupfromdecli
Page 23 and 24: Gradient survey to locate static li
Page 25 and 26: Lift and Deliquification• Natural
Page 27 and 28: Why the increase after a shut-in?1.
Page 29 and 30: Using Cross Flow• Repressuring th
Page 31 and 32: Well With A Plunger InstallationIns
Page 33 and 34: 10/1/199910/15/199910/29/199911/12/
Page 35 and 36: Conclusions• Small increases in p
Page 37 and 38: PressureEffects ofLiquidLoadingwww.
Page 39 and 40: Heating Gas - Downhole View During
Page 43 and 44: DepthHeating Gas - Effects on Produ
Page 45 and 46: MCFDHeating Gas - Effects on Produc
Page 47 and 48: Heating Gas - Effects on Temperatur
Page 51 and 52: Lift Methods and UnloadingOptions
Page 53 and 54: Lift and Unloading OptionsMethod De
Page 56 and 57:
Lift and Unloading OptionsMethod De
Page 58 and 59:
Deviated Wells• About 30% of US p
Page 60 and 61:
In a verticalwell, thefalling liqui
Page 62:
Note the flowvelocitydifferencebetw
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Deliquification - George E King Petroleum Engineering Oil and Gas ...

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