Presentation Slides - SPE WA

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Key Focus AreasTakeaway ( Personal Spin/Bias):Many of the early problems not solvedGeostatistics increasing seen as ‘not the answer’Uncertainty modelling is current ‘answer’Q: Lack of tools vs Lack of Understanding ??CTSOR 18 Pty of xxLtd
4. Reservoir Simulation and Field developmentBrownfield– Dynamic model tuned to measured well performance : why??– Sometime just one “best” static model– HM means adjusting dynamic model parameters to matchobservations– In practice this means:• Getting the Pressures right. ( reservoir drive – general materialbalance – large scale force balance) then• Matching (observed) saturation changes ( while not violating thepressure match)– If a HM is obtained: Model run in forecast model using‘reasonable’ operating rules.CTSOR 19Pty of xx Ltd
Page 1 and 2: Simulation ?Per K. CoatsCTSOR 1 Pty
Page 3 and 4: Preamble• JPT magazine 1980, 1991
Page 5 and 6: Practical Reservoir Simulation -DAT
Page 7 and 8: Reservoir Simulation :Reservoir Sim
Page 9 and 10: Grid Design is seldom Simple ……
Page 11 and 12: Shot across the bow:From Larry Lake
Page 13 and 14: Simulation Hardware ..... Have PC
Page 15 and 16: SYSTEM based models -> often make u
Page 17: Types of UsersTakeaway ( Personal S
Page 21 and 22: Example:Existing waterflood1. NFA -
Page 23 and 24: Sometimes - we stumble.Here is a li
Page 25 and 26: 4. Greenfield (cont)Greenfield cont
Page 27 and 28: 5. Reservoir SimulationPro’s• R
Page 29 and 30: 7. State of the Art• Uncertainty
Page 31 and 32: Reservoirs modelled at the 100’s
Page 33 and 34: Relative Permeability remains a poo
Page 35 and 36: Well known quote:Models are “fals
Page 37 and 38: CTSOR 37 Pty of xxLtd
Page 39 and 40: HM Difficulties with faults SPE 868
Page 41: Selected Reading1. Larry Lake. Mode

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