Horizontal Well Completions - George E King Petroleum ...

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Favorite Targets• Naturally fractured chalks and shales• Water coning problem areas• Field edges3/14/2009 6George E. King EngineeringGEKEngineering.com
Best Candidates from a ReservoirPerspective• 1. Must still have good volume of reserves,pressure and fluids of value.• 2. Permeability values (horizontal and vertical)more a design consideration than a limit.• 3. Oil was thought to be a better candidatethan gas because of hydraulic fracturing,however, horizontal wells with multistagefracturing are a common completion for lowpermeability gas plays.3/14/2009 7George E. King EngineeringGEKEngineering.com
Page 1 and 2: Horizontal Well Completions• Obje
Page 3 and 4: Slide modified from BPGeorge E. Kin
Page 5: Other Uses• Prospecting - as a to
Page 9 and 10: Red Flags - for unstimulatedhorizon
Page 11 and 12: Permeability Variance• K h , K H
Page 13: Permeability Contribution fromVerti
Page 16 and 17: Pay Zone Thickness• no minimum or
Page 18 and 19: Stacked and OpposedGeorge E. King E
Page 20 and 21: A two flow period test of reservoir
Page 22 and 23: Horizontal Well Expectations• Unc
Page 24 and 25: Types of Horizontal Kick-Off design
Page 26 and 27: Cuttings Beds• Symmetric suspensi
Page 28 and 29: Consequences of Poor Hole Cleaning
Page 30 and 31: BUT, is it stable as the hole appro
Page 32 and 33: Drilling Wellbore Stability• Issu
Page 34 and 35: 3/14/2009 34George E. King Engineer
Page 36 and 37: Broad Based Conclusion• Most Impo
Page 38 and 39: 1000Effect of length and horizontal
Page 40 and 41: Undulation Problems Within theHoriz
Page 42 and 43: Production Index Factors(a comparis
Page 44 and 45: Lower Than Expected Production?•
Page 46 and 47: Effect of Kh/KvPIF654321kh/kv=1kh/k
Page 48: Horizontal Uses?• Consider them a

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