Darren Johnson

Geological Survey Program

South Dakota Department of Environment and Natural Resources

2011 South Dakota Activity Update

20th Williston Basin Petroleum ConferenceMay 22ndst – 24th 2012 Bismarck, North Dakota

Production areas

21 permits issued in 2011.All permits to drill for oil.

10 wells drilled in 2011.

6 permits to drill for oil in 2012.

Permits issued and wells drilled

2011 – 150 producing oil wells

Harding County – 136 Fall River/Custer County - 14

Barrels of oil produced

2011 – 1,613,982 bbls Harding County (Red River Formation) – 1,588,632 bbls

Fall River/Custer County (Minnelusa Formation) – 25,350 bbls

2012 – 453,985 bbls (through March)

2011 – 98 producing gas wells

2011 – 932,541 MCF

2012- 187,524 MCF (through March)

All production from the Eagle/Shannon sandstone

Fall 2011 auction – Bedrock Oil & Gas leased the mineral rights to approximately 65,320 acres of School and Public Lands.

Spring 2012 auction – Bedrock Oil & Gas (ROC Oil & Gas Land Management) leased the mineral rights to an additional 74,650 acres.

Harding, Butte and Perkins Counties (NW South Dakota).

Information on auctions and leases can be found at http://www.sdpubliclands.com/

South Dakota School and Public Lands Auction

DENR’s homepagehttp://denr.sd.gov/

Geological Survey Program’s homepagehttp://www.sdgs.usd.edu/

Click on “Oil and Gas Initiative”

DENR’s Oil and Gas Initiative

All oil and gas permit files have been scanned and are available online.

All geophysical logs have been re-scanned.

Development of Oil and Gas Map-Based Data Source.

Initiative projects completed in 2011 and 2012

Oil and Gas Map-Based Data Source

Oil and Gas Map-Based Data Source

Oil and Gas Map-Based Data Source

Visit Geological Survey Program’s homepage

http://www.sdgs.usd.edu/

Click on Oil and Gas Map-Based Data Source link

http://www.sdgs.usd.edu/

E-mail: darren.j.johnson@usd.edu

Geological Survey Program

South Dakota Department of Environment & Natural Resources

Akeley-Lawrence Science Center, USD

414 E Clark Street

Vermillion, SD 57069

(605) 677-5227

For more information