How Long to Drill Out the Bakken/TF? >22 Years With 7 Rigs: Oasis Corporate Presentation - February, 2011

Link  here. At that site, select "Investors," and the select "Presentations" on the drop-down menu.

Net acreage

• West Williston: 191,552 net acres. Includes Hebron Area in Montana
• East Nesson: 102,790 net acres
• Sanish: 8,889 net acres

Net wells: identified drilling locations

• West Williston: 859 gross; 393 net
• East Nesson: 255 gross; 128 net
• Sanish: 1,303 gross; 537 net

Currently: 2,458 drilling locations identified
With a 7 rig program: over 22 years of drilling inventory
2011 Plans

• 2011 CAPEX: six rigs in West Williston; one rig in East Nesson
• Six rigs in WW will be one additional rig in this area; currently 5 rigs
• $441 million 2011 CAPEX for drilling
• Continue acquiring acreage

IPs: Oasis uses a 7-day average

• West Williston: 567 - 708
• East Nesson: 547 - 836 bbl

Hebron Operating Area: part of the West Williston Prospect; in Montana

• North of Elm Coulee (Richland County)
• Included in the West Williston prospect
• Before 11/5/10: 17,300 net acres
•  11/5/10: acquired 16,700 net acres; $3,000/acre, Roosevelt County, north
• 12/10/10: acquired 10,000 net acres: $3,000/acre, Richland County, south

Pad Configuration: 2 x 1280-acre spacing unit

• Three pads in line, centered
• Each pad with two horizontals: one south, one north
• Six horizontals in each 2 x 1280-acre unit
• Three horizontals in each 1280-acre unit