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

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Minimum Critical Velocities• Turner and Coleman Equations• Estimate minimum gas flow velocityneeded to lift water droplets out of well.• If flow velocity below critical, then waterdroplets fall / build up in bottom of well.• The well may or may not cease to flowbut production will be decreased.www.GEKEngineering.com 8
Gas Flow Rate, MSCFDSmall Gas Well Example – LiftProgression – 2-3/8” TubingFlow and Lift - 2-3/8" Tubing2000180016001400120010008006004002000Flow to herethen plunger0 20 40 60 80 100Percent of Well Lifethen ?www.GEKEngineering.com 9Source -BryanDotson
Page 1 and 2: Low Pressure Gas WellDeliverability
Page 3 and 4: US Mature Well Base (2001)• 880,0
Page 6 and 7: Tubing Performance - VerticalOil We
Page 10 and 11: Pump HPWe’ll have to put energy i
Page 12 and 13: System Requirements• Low initial
Page 14 and 15: Gas Bubble Growth With RiseIn A Wat
Page 16 and 17: Where is Critical Rate Calculated?S
Page 18 and 19: Condensation Drivers• Loss of tem
Page 20 and 21: 4/25/20005/2/20005/9/20005/16/20005
Page 22 and 23: An increase inthe differentialbetwe
Page 24 and 25: Lift Selection Considerations• Si
Page 26 and 27: What causesthe sharpinitial decline
Page 28 and 29: Shutting in a Well at Surface Doesn
Page 30 and 31: Lift and Unloading Options• At le
Page 32 and 33: Effective CT Velocity String - Cham
Page 34 and 35: Gas Rate (MCF/D)Soap Injection to R
Page 36 and 37: Conclusions• Tubng size is a legi
Page 38 and 39: Heating Gas - Downhole View During
Page 42 and 43: MCF/DayUnstable Gas Well Flow Behav
Page 44 and 45: DepthPressure Effects of Liquid Loa
Page 46 and 47: 111213141516171Heating Gas - Effect
Page 50 and 51: Support Slides• Lift Methods• D
Page 52 and 53: Lift and Unloading OptionsMethod De
Page 54: Lift and Unloading OptionsMethod De
Page 57 and 58: Very Generalized Operating Ranges f
Page 59 and 60:
The liquid flow character canchange
Page 61 and 62:
www.GEKEngineering.com Oilfield Rev
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