At present depth we should be very near the Austin Chalk. See map. http://www.glossary.oilfield.slb.com/DisplayImage.cfm?ID=156 This is interesting. POGLY is drilling a horizontal well in the Austin Chalk that will be completed soon. See news release. http://clients.weblink.com.au/clients/pryme/article.asp?asx=PYM&view=6506080