With EOG's recent leap over to Louisiana to test their new Austin Chalk frac design, it might be beneficial to compare the log analysis from each area. All three areas compared below have a plethora of historical vertical wells to use for analysis.
EOG's recent "monster" Austin Chalk wells are located in the Karnes Trough of Karnes County, Texas.
|EOG Resources - Austin Chalk competions - Karnes County, Texas|
For an overview of the method, here's an excellent paper from Thomas Bowman:
EOG has also been leasing on the county line between Fayette and Lavaca Counties. The figures below compare three wells from Karnes, Fayette/Lavaca, and Avoyelles Parish.
For comparison, a Passey thickness (DLogR > 1.0) and DLogR "mean" were calculated. Higher DLogR indicates higher TOC. The mean DLogR values range from 1.09-1.26 with Avoyelles being the highest at 1.26. Thicknesses range from 174'-187' with Karnes County being the highest.
As more wells are drilled, a tighter calibration can be made.