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Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator

Easily calculate and compute reservoir drive indices (water, gas cap & solution gas) calculator with accurate equations, live formulas, and expert guidance.

N * (Bt - Bti) volumetric expansion.

m * N * Bti * (Bg/Bgi - 1) volumetric expansion.

(We - Bw*Wp) net water encroachment volume.

Calculated Result
52 % share

Primary Dominant Drive Index

Primary Dominant Drive Index

52 % share

Water Drive Index Wdi Pct

52

Depletion Drive Index Ddi Pct

33.6

Gas Cap Drive Index Sdi Pct

14.399999999999999

Dominant Mechanism

Water Drive Dominant

52 — % share

Calculation Breakdown

  1. Applied FormulaCalculates Havlena-Odeh material balance drive indices (Depletion Drive DDI, Segregation/Gas Cap SDI, and Water Drive WDI) to quantify reservoir energy.DDI + SDI + WDI = 1.0

Reservoir Drive Indices Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.013263952Primary Dominant Drive Index

What Is the Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator?

This tool computes reservoir drive indices (water, gas cap & solution gas) calculator with high precision arithmetic.

How Does the Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator Work?

Calculates Havlena-Odeh material balance drive indices (Depletion Drive DDI, Segregation/Gas Cap SDI, and Water Drive WDI) to quantify reservoir energy.

Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator Formula & Variables

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

DDI+SDI+WDI=1.0DDI + SDI + WDI = 1.0

Calculates Havlena-Odeh material balance drive indices (Depletion Drive DDI, Segregation/Gas Cap SDI, and Water Drive WDI) to quantify reservoir energy.

How to Use the Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator

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

Step-by-Step Example Calculation

Reservoir Drive Indices (Water, Gas Cap & Solution Gas) Calculator Example

Input Values:

expansionOilSolutionGasExpansion:420000
gasCapExpansion:180000
waterInfluxNetExpansion:650000
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required % share.

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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