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Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator

Easily calculate and compute havlena-odeh material balance original oil in place (ooip) calculator with accurate equations, live formulas, and expert guidance.

Total stock tank barrels of oil produced to date.

Oil formation volume factor at current depleted pressure.

Oil formation volume factor at virgin reservoir pressure.

Total cumulative produced gas divided by cumulative oil.

Initial dissolved gas-oil ratio at bubble point.

Gas formation volume factor at current pressure.

Calculated Result
100 MMSTB

Original Oil in Place

Original Oil in Place

100 MMSTB

Original Oil In Place N_ Mmstb

100

Total Reservoir Voidage F_ M Mrb

6

Oil Expansion Factor Eo_ Rb Stb

0.06

Current Recovery Factor Percent

3.8

100 — MMSTB

Calculation Breakdown

  1. Applied FormulaApplies the Havlena-Odeh material balance equation to calculate volumetric Original Oil in Place (OOIP) from production history and PVT fluid expansion.F = N(E_o + m E_g + E_{f,w}), \quad N = \frac{F}{E_o}

Havlena-Odeh OOIP Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.0255075100Original Oil in Place

What Is the Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator?

This tool computes havlena-odeh material balance original oil in place (ooip) calculator with high precision arithmetic.

How Does the Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator Work?

Applies the Havlena-Odeh material balance equation to calculate volumetric Original Oil in Place (OOIP) from production history and PVT fluid expansion.

Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

F=N(Eo+mEg+Ef,w),N=FEoF = N(E_o + m E_g + E_{f,w}), \quad N = \frac{F}{E_o}

Applies the Havlena-Odeh material balance equation to calculate volumetric Original Oil in Place (OOIP) from production history and PVT fluid expansion.

How to Use the Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Havlena-Odeh Material Balance Original Oil in Place (OOIP) Calculator Example

Input Values:

cumulativeOilProducedNpMmstb:3.8
currentBoRbStb:1.28
initialBoiRbStb:1.22
cumulativeGasOilRatioRpScfStb:780.0
initialSolutionRsiScfStb:520.0
currentGasBgRbScf:0.00115
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required MMSTB.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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