Skip to main content

Original Oil in Place (OOIP) Volumetric Balance Calculator

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

Delineated reservoir surface area in acres.

Net oil-bearing formation thickness.

Fractional reservoir rock pore volume.

Irreducible water saturation fraction.

Reservoir barrels per stock tank barrel at initial pressure.

Calculated Result
28.31 MMSTB

Original Oil in Place (OOIP)

Original Oil in Place (OOIP)

28.31 MMSTB

Ooip Mmstb

28.314450616320002

Ooip Stb

28314450.616320003

Pore Volume Reservoir Barrels

49157032.32

Drainage Area Acres

640

28.31 — MMSTB

Calculation Breakdown

  1. Applied FormulaCalculates Original Oil in Place (OOIP in Stock Tank Barrels) from reservoir area, net pay thickness, porosity, connate water saturation, and formation volume factor Boi.N = \frac{7758 A h \phi (1 - S_{wi})}{B_{oi}}

Volumetric OOIP Calculator Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.07.1142128Original Oil in Place (OOIP)

What Is the Original Oil in Place (OOIP) Volumetric Balance Calculator?

This tool computes original oil in place (ooip) volumetric balance calculator with high precision arithmetic.

How Does the Original Oil in Place (OOIP) Volumetric Balance Calculator Work?

Calculates Original Oil in Place (OOIP in Stock Tank Barrels) from reservoir area, net pay thickness, porosity, connate water saturation, and formation volume factor Boi.

Original Oil in Place (OOIP) Volumetric Balance Calculator Formula & Variables

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

N=7758Ahϕ(1−Swi)BoiN = \frac{7758 A h \phi (1 - S_{wi})}{B_{oi}}

Calculates Original Oil in Place (OOIP in Stock Tank Barrels) from reservoir area, net pay thickness, porosity, connate water saturation, and formation volume factor Boi.

How to Use the Original Oil in Place (OOIP) Volumetric Balance Calculator

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

Step-by-Step Example Calculation

Original Oil in Place (OOIP) Volumetric Balance Calculator Example

Input Values:

drainageAreaAcres:640
netPayThicknessFeet:45
porosityFraction:0.22
connateWaterSaturationSwi:0.28
initialOilFvfBoi:1.25
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.

\n

Explore more tools and calculators in Technology Calculators