{
  "version": 1,
  "id": "po.wb.ipr.inflow-performance",
  "name": "Inflow Performance & Nodal Analysis",
  "sheets": [
    {
      "name": "Inputs",
      "cells": [
        {
          "ref": "A1",
          "value": "Inflow Performance — Inputs"
        },
        {
          "ref": "A2",
          "value": "Reservoir and well parameters for IPR and VFP calculations. The IPR Curves sheet compares Fetkovich and Vogel models. The Nodal Analysis sheet overlays IPR with a VFP curve to find the operating point."
        },
        {
          "ref": "A4",
          "value": "Reservoir Properties"
        },
        {
          "ref": "A5",
          "value": "Reservoir Pressure (Pres)"
        },
        {
          "ref": "B5",
          "value": 3000
        },
        {
          "ref": "C5",
          "value": "psi"
        },
        {
          "ref": "A6",
          "value": "Bubble Point (Pb)"
        },
        {
          "ref": "B6",
          "value": 2500
        },
        {
          "ref": "C6",
          "value": "psi"
        },
        {
          "ref": "A8",
          "value": "Fetkovich Parameters"
        },
        {
          "ref": "A9",
          "value": "Performance Coefficient (C)"
        },
        {
          "ref": "B9",
          "value": 0.0015
        },
        {
          "ref": "C9",
          "value": "STB/(d·psi^2n)"
        },
        {
          "ref": "A10",
          "value": "Flow Exponent (n)"
        },
        {
          "ref": "B10",
          "value": 0.85
        },
        {
          "ref": "C10",
          "value": "dimensionless"
        },
        {
          "ref": "A12",
          "value": "Vogel Parameters"
        },
        {
          "ref": "A13",
          "value": "Productivity Index (J)"
        },
        {
          "ref": "B13",
          "value": 2
        },
        {
          "ref": "C13",
          "value": "STB/d/psi"
        },
        {
          "ref": "A15",
          "value": "VFP / Tubing Properties"
        },
        {
          "ref": "A16",
          "value": "Wellhead Pressure"
        },
        {
          "ref": "B16",
          "value": 200
        },
        {
          "ref": "C16",
          "value": "psi"
        },
        {
          "ref": "A17",
          "value": "Liquid Density"
        },
        {
          "ref": "B17",
          "value": 50
        },
        {
          "ref": "C17",
          "value": "lb/ft3"
        },
        {
          "ref": "A18",
          "value": "Liquid Viscosity"
        },
        {
          "ref": "B18",
          "value": 1.5
        },
        {
          "ref": "C18",
          "value": "cP"
        },
        {
          "ref": "A19",
          "value": "Tubing ID"
        },
        {
          "ref": "B19",
          "value": 2.992
        },
        {
          "ref": "C19",
          "value": "in"
        },
        {
          "ref": "A20",
          "value": "Tubing Length"
        },
        {
          "ref": "B20",
          "value": 8000
        },
        {
          "ref": "C20",
          "value": "ft"
        },
        {
          "ref": "A21",
          "value": "Roughness"
        },
        {
          "ref": "B21",
          "value": 0.0006
        },
        {
          "ref": "C21",
          "value": "in"
        },
        {
          "ref": "A22",
          "value": "Pipe Angle (from horizontal)"
        },
        {
          "ref": "B22",
          "value": 90
        },
        {
          "ref": "C22",
          "value": "degrees"
        },
        {
          "ref": "A24",
          "value": "Calculated AOF"
        },
        {
          "ref": "A25",
          "value": "AOF (Fetkovich)"
        },
        {
          "ref": "B25",
          "formula": "=PO.IPR.VW.PSS.AOF.ByFetkovich(IPR_C,IPR_n,IPR_Pres)",
          "cached": 1222.355109063437
        },
        {
          "ref": "C25",
          "value": "STB/d"
        }
      ]
    },
    {
      "name": "IPR Curves",
      "cells": [
        {
          "ref": "A1",
          "value": "IPR Curves — Fetkovich vs Vogel"
        },
        {
          "ref": "A2",
          "value": "Fetkovich uses backpressure equation (C, n parameters from well test). Vogel uses productivity index and accounts for two-phase flow below bubble point."
        },
        {
          "ref": "A4",
          "value": "IPR Comparison Table"
        },
        {
          "ref": "A5",
          "value": "Pwf (psi)"
        },
        {
          "ref": "B5",
          "value": "q Fetkovich"
        },
        {
          "ref": "C5",
          "value": "q Vogel"
        },
        {
          "ref": "A6",
          "value": 3000
        },
        {
          "ref": "B6",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A6)",
          "cached": 0
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        {
          "ref": "C6",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A6,IPR_Pb)",
          "cached": 0
        },
        {
          "ref": "A7",
          "value": 2800
        },
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          "ref": "B7",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A7)",
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          "ref": "C7",
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          "cached": 400
        },
        {
          "ref": "A8",
          "value": 2600
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          "ref": "B8",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A8)",
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          "ref": "C8",
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          "cached": 800
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        {
          "ref": "A9",
          "value": 2400
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          "ref": "B9",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A9)",
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          "ref": "C9",
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        {
          "ref": "A10",
          "value": 2200
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          "ref": "B10",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A10)",
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          "ref": "C10",
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        {
          "ref": "A11",
          "value": 2000
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          "ref": "B11",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A11)",
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          "ref": "C11",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A11,IPR_Pb)",
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        {
          "ref": "A12",
          "value": 1800
        },
        {
          "ref": "B12",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A12)",
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          "ref": "C12",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A12,IPR_Pb)",
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          "ref": "A13",
          "value": 1600
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        {
          "ref": "B13",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A13)",
          "cached": 919.6958913283664
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        {
          "ref": "C13",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A13,IPR_Pb)",
          "cached": 2512
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        {
          "ref": "A14",
          "value": 1400
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        {
          "ref": "B14",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A14)",
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          "ref": "C14",
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          "ref": "A15",
          "value": 1200
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        {
          "ref": "B15",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A15)",
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          "ref": "C15",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A15,IPR_Pb)",
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        {
          "ref": "A16",
          "value": 1000
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        {
          "ref": "B16",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A16)",
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          "ref": "C16",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A16,IPR_Pb)",
          "cached": 3200
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        {
          "ref": "A17",
          "value": 800
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          "ref": "B17",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A17)",
          "cached": 1148.0653110591513
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          "ref": "C17",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A17,IPR_Pb)",
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          "ref": "A18",
          "value": 600
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          "ref": "B18",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A18)",
          "cached": 1180.6684012025319
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          "ref": "C18",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A18,IPR_Pb)",
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          "ref": "A19",
          "value": 400
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          "ref": "B19",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A19)",
          "cached": 1203.8591675427938
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        {
          "ref": "C19",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A19,IPR_Pb)",
          "cached": 3632
        },
        {
          "ref": "A20",
          "value": 200
        },
        {
          "ref": "B20",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A20)",
          "cached": 1217.7357812051464
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        {
          "ref": "C20",
          "formula": "=PO.IPR.VW.PSS.Rate.ByVogel(IPR_J,IPR_Pres,A20,IPR_Pb)",
          "cached": 3719.111111111111
        },
        {
          "ref": "A21",
          "value": 0
        },
        {
          "ref": "B21",
          "formula": "=PO.IPR.VW.PSS.Rate.ByFetkovich(IPR_C,IPR_n,IPR_Pres,A21)",
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          "ref": "C21",
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      ]
    },
    {
      "name": "Nodal Analysis",
      "cells": [
        {
          "ref": "A1",
          "value": "Nodal Analysis — IPR + VFP"
        },
        {
          "ref": "A2",
          "value": "The operating point is where IPR (inflow) intersects VFP (outflow). IPR shows what the reservoir can deliver; VFP shows what the tubing requires. The intersection determines the well's production rate and flowing bottomhole pressure."
        },
        {
          "ref": "A4",
          "value": "Nodal Analysis Table"
        },
        {
          "ref": "A5",
          "value": "q (STB/d)"
        },
        {
          "ref": "B5",
          "value": "Pwf_IPR (psi)"
        },
        {
          "ref": "C5",
          "value": "Pwf_VFP (psi)"
        },
        {
          "ref": "A6",
          "formula": "=MAX(IPR_AOF*0.01,2)",
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          "format": "0.0"
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        {
          "ref": "B6",
          "formula": "=SQRT(IPR_Pres^2-(A6/IPR_C)^(1/IPR_n))",
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          "ref": "C6",
          "formula": "=PO.VFP.Liq.Pin(A6,VFP_Pwh,VFP_RhoL,VFP_UL,VFP_ID,VFP_Len,VFP_Rough,VFP_Angle)",
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          "ref": "A7",
          "formula": "=MAX(IPR_AOF*0.01307,2)",
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          "ref": "B7",
          "formula": "=SQRT(IPR_Pres^2-(A7/IPR_C)^(1/IPR_n))",
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          "ref": "C7",
          "formula": "=PO.VFP.Liq.Pin(A7,VFP_Pwh,VFP_RhoL,VFP_UL,VFP_ID,VFP_Len,VFP_Rough,VFP_Angle)",
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          "ref": "A8",
          "formula": "=MAX(IPR_AOF*0.01709,2)",
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          "ref": "B8",
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          "ref": "C8",
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          "ref": "A9",
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          "ref": "B10",
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          "ref": "A11",
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          "ref": "A21",
          "formula": "=MAX(IPR_AOF*0.55597,2)",
          "cached": 679.5927699859991,
          "format": "0.0"
        },
        {
          "ref": "B21",
          "formula": "=SQRT(IPR_Pres^2-(A21/IPR_C)^(1/IPR_n))",
          "cached": 2118.6522384754467
        },
        {
          "ref": "C21",
          "formula": "=PO.VFP.Liq.Pin(A21,VFP_Pwh,VFP_RhoL,VFP_UL,VFP_ID,VFP_Len,VFP_Rough,VFP_Angle)",
          "cached": 2982.1627473229664
        },
        {
          "ref": "A22",
          "formula": "=MAX(IPR_AOF*0.72675,2)",
          "cached": 888.346575511853,
          "format": "0.0"
        },
        {
          "ref": "B22",
          "formula": "=SQRT(IPR_Pres^2-(A22/IPR_C)^(1/IPR_n))",
          "cached": 1678.5327158004573
        },
        {
          "ref": "C22",
          "formula": "=PO.VFP.Liq.Pin(A22,VFP_Pwh,VFP_RhoL,VFP_UL,VFP_ID,VFP_Len,VFP_Rough,VFP_Angle)",
          "cached": 2984.8218435081267
        },
        {
          "ref": "A23",
          "formula": "=MAX(IPR_AOF*0.95,2)",
          "cached": 1161.2373536102652,
          "format": "0.0"
        },
        {
          "ref": "B23",
          "formula": "=SQRT(IPR_Pres^2-(A23/IPR_C)^(1/IPR_n))",
          "cached": 725.9774891268903
        },
        {
          "ref": "C23",
          "formula": "=PO.VFP.Liq.Pin(A23,VFP_Pwh,VFP_RhoL,VFP_UL,VFP_ID,VFP_Len,VFP_Rough,VFP_Angle)",
          "cached": 2989.131316803411
        }
      ]
    }
  ],
  "namedRanges": [
    {
      "name": "IPR_AOF",
      "refersTo": "Inputs!$B$25"
    },
    {
      "name": "IPR_C",
      "refersTo": "Inputs!$B$9"
    },
    {
      "name": "IPR_J",
      "refersTo": "Inputs!$B$13"
    },
    {
      "name": "IPR_Pb",
      "refersTo": "Inputs!$B$6"
    },
    {
      "name": "IPR_Pres",
      "refersTo": "Inputs!$B$5"
    },
    {
      "name": "IPR_n",
      "refersTo": "Inputs!$B$10"
    },
    {
      "name": "VFP_Angle",
      "refersTo": "Inputs!$B$22"
    },
    {
      "name": "VFP_ID",
      "refersTo": "Inputs!$B$19"
    },
    {
      "name": "VFP_Len",
      "refersTo": "Inputs!$B$20"
    },
    {
      "name": "VFP_Pwh",
      "refersTo": "Inputs!$B$16"
    },
    {
      "name": "VFP_RhoL",
      "refersTo": "Inputs!$B$17"
    },
    {
      "name": "VFP_Rough",
      "refersTo": "Inputs!$B$21"
    },
    {
      "name": "VFP_UL",
      "refersTo": "Inputs!$B$18"
    }
  ],
  "namedLambdas": [],
  "charts": [
    {
      "sheet": "IPR Curves",
      "type": "XYScatterLines",
      "title": "IPR Curves — Fetkovich vs Vogel",
      "series": [
        {
          "name": "Fetkovich",
          "values": "'IPR Curves'!$A$6:$A$21",
          "categories": "'IPR Curves'!$B$6:$B$21"
        }
      ],
      "anchor": "A23",
      "endAnchor": "G41",
      "xAxis": {
        "title": "Rate (STB/d)"
      },
      "yAxis": {
        "title": "Flowing BHP (psi)"
      }
    },
    {
      "sheet": "IPR Curves",
      "type": "XYScatterLines",
      "title": "Vogel IPR Curve",
      "series": [
        {
          "name": "Vogel",
          "values": "'IPR Curves'!$A$6:$A$21",
          "categories": "'IPR Curves'!$C$6:$C$21"
        }
      ],
      "anchor": "A49",
      "endAnchor": "G67",
      "xAxis": {
        "title": "Rate (STB/d)"
      },
      "yAxis": {
        "title": "Pwf (psi)"
      }
    },
    {
      "sheet": "Nodal Analysis",
      "type": "XYScatterLines",
      "title": "Nodal Analysis — IPR vs VFP",
      "series": [
        {
          "name": "IPR (Fetkovich)",
          "values": "'Nodal Analysis'!$B$6:$B$23",
          "categories": "'Nodal Analysis'!$A$6:$A$23"
        },
        {
          "name": "VFP (Tubing)",
          "values": "'Nodal Analysis'!$C$6:$C$23",
          "categories": "'Nodal Analysis'!$A$6:$A$23"
        }
      ],
      "anchor": "A25",
      "endAnchor": "G43",
      "xAxis": {
        "title": "Rate (STB/d)"
      },
      "yAxis": {
        "title": "Flowing BHP (psi)"
      }
    }
  ],
  "shapes": [],
  "pictures": [],
  "connectors": [],
  "conditionalFormats": [],
  "sparklineGroups": [],
  "functions": [
    "PO.IPR.VW.PSS.AOF.ByFetkovich",
    "PO.IPR.VW.PSS.Rate.ByFetkovich",
    "PO.IPR.VW.PSS.Rate.ByVogel",
    "PO.VFP.Liq.Pin"
  ]
}