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Permalink Reply by 3uq96odaochmj on November 18, 2011 at 10:50am

In Washington Co., the base of the "Elk" Interval lies about 5700' below ground surface; shallower as one heads north towards Butler Co.

Contact one of the Geologists at the Bureau of Topographic and Geologic Survey in Pgh. for more info.

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Permalink Reply by 2s72s0k9mm8gd on November 18, 2011 at 10:55am

Why do you ask? Is this yet another gas play?

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Permalink Reply by 3uq96odaochmj on November 18, 2011 at 1:10pm

You need to get ahold of a geologic column for Pennsylvania.  There are many "gas plays" in PA.  What do you think has been going on here for the past 160 years since Drake drillede his first oil well in Venango Co.? Duh!

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Permalink Reply by 2s72s0k9mm8gd on November 18, 2011 at 5:16pm

Hmmmmmmm..........how am i supposed to intelligently reply to that "response".....?

Very constructive there Jassper!

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Permalink Reply by Sylvester Deal on November 18, 2011 at 5:45pm

Glenn & Gunner,

What Jasper was saying is connect to the Geologic Survey for a chart that shows the relative positions of oil and gas formations in the subsurface.  Here a link to the PA-GS online correlation chart and for the Devonian Shales specifically:

http://www.dcnr.state.pa.us/topogeo/drc/index.aspx

 

http://www.dcnr.state.pa.us/topogeo/drc/drcdev.aspx

Devonian age formations geologic name chart

 

http://www.dcnr.state.pa.us/topogeo/drc/tabledev.aspx

This table gives the driller equivalent to the geologic names on the chart;  look closely at Bradford Grp, Elk Grp, & Lock Haven Frm.

 

http://www.dcnr.state.pa.us/topogeo/drc/devoilsands.pdf

PA maps shows areas for particular names.

The Elk Sand is one of many Upper Devonian siltstones that have produced gas and oil in OH, PA, & WV for many years.  Its a play that has been producing for many years.

Enjoy!

Sylvester

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