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Original Gas in Place (OGIP - p/z Material Balance) Calculator

Easily calculate and compute original gas in place (ogip - p/z material balance) calculator with accurate equations, live formulas, and expert guidance.

Virgin discovery reservoir pressure.

Gas z-factor at initial pressure and temperature.

Shut-in reservoir pressure after production.

Gas z-factor at current pressure.

Billion cubic feet of standard gas produced.

Calculated Result
56.52 BCF

Original Gas in Place (OGIP / G)

Original Gas in Place (OGIP / G)

56.52 BCF

Ogip Bcf

56.51574803149607

Initial P Over Z

4891.304347826087

Current P Over Z

3636.3636363636365

Recovery Factor Pct

25.656565656565654

56.52 — BCF

Calculation Breakdown

  1. Applied FormulaPerforms volumetric gas reservoir material balance p/z straight-line extrapolation to determine ultimate Original Gas in Place (OGIP) and recovery factors.G = \frac{G_p}{1 - (p/z) / (p_i/z_i)}

OGIP p/z Material Balance Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.014284257Original Gas in Place (OGIP / G)

What Is the Original Gas in Place (OGIP - p/z Material Balance) Calculator?

This tool computes original gas in place (ogip - p/z material balance) calculator with high precision arithmetic.

How Does the Original Gas in Place (OGIP - p/z Material Balance) Calculator Work?

Performs volumetric gas reservoir material balance p/z straight-line extrapolation to determine ultimate Original Gas in Place (OGIP) and recovery factors.

Original Gas in Place (OGIP - p/z Material Balance) Calculator Formula & Variables

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

G=Gp1−(p/z)/(pi/zi)G = \frac{G_p}{1 - (p/z) / (p_i/z_i)}

Performs volumetric gas reservoir material balance p/z straight-line extrapolation to determine ultimate Original Gas in Place (OGIP) and recovery factors.

How to Use the Original Gas in Place (OGIP - p/z Material Balance) Calculator

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

Step-by-Step Example Calculation

Original Gas in Place (OGIP - p/z Material Balance) Calculator Example

Input Values:

initialPressurePsi:4500
initialZFactor:0.92
currentPressurePsi:3200
currentZFactor:0.88
cumulativeGasProducedBcf:14.5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required BCF.

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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