PETRONODE

Codelets

 

Useful Codelets

Python and C# code examples

 

nuclear

 

Iterative Density Porosity

(Python 3.x)

Algorithm for computing total porosity (Phi_t) in formations with variable matrix density.

 

nuclear

 

Archie S_wa

(Python 3.x)

Algorithm for computing apparent water saturation (S_wa) from effective (open) porosity Phi_e, formation water resistivity R_w and true formation resistivity R_t.

 

compass

 

Triangle Solver

(Python 3.x)

Solves a triangle by any permutation of sides and angles given

 

theodolite

 

Height by Triangulation

(Python 3.x)

Determines an object height from three geological compass inclination measurements and one base distance

 

theodolite

 

Object Size by Triangulation

(Python 3.x)

Determines a remote body size and height from three geological compass inclination measurements and one base distance

 

amoeba

 

Nelder-Mead Optimization

(C#)

Based on the research paper «A Simplex Method for Function Minimization» (1965), by J.A. Nelder and R. Mead

 

python

 

Letters and numbers

(Python 3.x)

Solve the TV number puzzles like a pro!

 

 

 

 

31-Oct-2019

New species in Codelets Zoo!

09-Oct-2019

Updated the SlideComposer on-line help.

02-Oct-2019

PETRONODE website undergoes a major facelift, using Python and Flask.

26-Sep-2019

Completed chapters 17 - 20 of Limits to Limits.

16-Dec-2018

Added chapters 13 - 16 of Limits to Limits.

24-Jan-2018

Updated Course Synopses.

31-Dec-2017

Added chapters 11 and 12 of Limits to Limits.

23-Oct-2017

Published first 10 chapters of Limits to Limits.