What Is the Permeability Prediction from NMR Logs (Timur-Coates & SDR) Calculator?
This tool computes permeability prediction from nmr logs (timur-coates & sdr) calculator with high precision arithmetic.
How Does the Permeability Prediction from NMR Logs (Timur-Coates & SDR) Calculator Work?
Calculates continuous rock permeability from Nuclear Magnetic Resonance (NMR) wireline logs using Free Fluid Index (FFI), Bound Volume Irreducible (BVI), and T2 logarithmic mean.
Permeability Prediction from NMR Logs (Timur-Coates & SDR) Calculator Formula & Variables
The core mathematical equation utilized by this calculator is expressed as:
k_{\text{TC}} = C \cdot \Phi^4 \left( \frac{\text{FFI}}{\text{BVI}} \right)^2, \quad k_{\text{SDR}} = a \cdot \Phi^4 T_{2\text{lm}}^2Calculates continuous rock permeability from Nuclear Magnetic Resonance (NMR) wireline logs using Free Fluid Index (FFI), Bound Volume Irreducible (BVI), and T2 logarithmic mean.
How to Use the Permeability Prediction from NMR Logs (Timur-Coates & SDR) Calculator
- Enter your parameters into the designated input fields to calculate the result immediately.
Step-by-Step Example Calculation
Permeability Prediction from NMR Logs (Timur-Coates & SDR) Calculator Example
Input Values:
nmrTotalPorosityPhi:0.24
freeFluidIndexFfi:0.17
boundVolumeIrreducibleBvi:0.07
timurCoeffC:10000
Worked Steps: Sample evaluation based on standard reference conditions.
Understanding Your Result
The calculated primary figure indicates the optimal or required mD.
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.