James H. Skelton Independent Geologist Houston
The successful drilling and completion of the world's deepest horizontal well in Louisiana confirms seismic indications that the brittle Upper Cretaceous Austin chalk has been highly fractured by nearby halokinetics (salt movement).
Cliffs Oil & Gas Co., Houston, 1-A Roy Martin in Avoyelles Parish flowed 2,566 b/d of oil from the chalk at a true vertical depth of 15,339 ft.
Previous studies of fractured formations have identified two types of fracturing: tectonic and differential compaction.1
This paper states a new theory relating to a third type of fractu...