Drilling Reports

Drilling Report

April 5, 2009

Anonymous The Duncan Banner Sun Apr 05, 2009, 04:38 PM CDT

DUNCAN —

GRADY COUNTYAmend

Unit Petroleum Co.; Dunn 3; NW4 NW4 SE4 NW4 of 2-6N-7W; TD: 9,700 feet.

Unit Petroleum Co.; Claiborne 3; W2 E2 W2 SE4 of 3-6N-7W; TD: 9,790 feet.

Complete

Sheridan Production Co. LLC; Nevll 53-3H; NE4 NE4 SW4 SW4 of 17-8N-8W; TD: 12,740 feet.

Intent to Drill

Crow Creek Operating Co. II LLC; Wallace 1-25; NE4 SW4 NW4 SW4 of 25-5N-5W; TD: 13,125 feet.

Recomplete

Exco Resources Inc.; Allen E 1-5; CW2 NE4 SW4 of 5-5N-5W; TD: 14,578 feet.

STEPHENS COUNTYIntent to Drill

Sudberry Mark E; Goddard 5-P; SE4 NE4 SE4 SW4 of 8-2S-4W; TD: 450 feet.

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Drilling Report

2-21 Drilling Reports
February 20, 2010
Drilling Reports GRADY COUNTYAmend

Unit Petroleum Co.; Dunn 3; NW4 NW4 SE4 NW4 of 2-6N-7W; TD: 9,700 feet.
April 5, 2009
Drilling Reports GRADY COUNTYAmend

Cimarex Energy Co.; Calvert 1-18H; SW4 SW4 SW4 SW4 of 16-10N-8W; TD: 18,580 feet.

March 29, 2009
DrillingReports GRADY COUNTYIntent to Drill

Crow Creek Operating Co. II LLC; Norvill B 2-36; E2 W2 NW4 NE4 of 36-5N-5W; TD: 12,950 state.
March 22, 2009
Drilling Reports GRADY COUNTYAmend

Western Oil and Gas Development Corp.; Beutler Trust 1-8H; S2 N2 S2 SE4 of 8-6N-5W; TD: 14,874 feet.

March 15, 2009
DrillingReport JEFFERSON COUNTYIntent to Drill
March 8, 2009
Drilling Reports GRADY COUNTYAmend

Samson Resources Co.; Cougar 2-25; SE4 NW4 SW4 NE4 of 25-8N-6W; TD: 10,790 feet.
March 1, 2009
Drilling Reports STEPHENS COUNTYAmend

Citation Oil & Gas Corp.; Countyline Unit 63-2; CSW4 SE4 NE4 of 25-1S-4W; TD: 4,394 feet.

Perkins Energy Co.; Harry Smith 2; W2 SE4 SW4 SW4 of 5-1N-8W; TD: 4,370 feet.
February 15, 2009
Drilling Reports GRADY COUNTYComplete

Samson Resources; Cougar 3-25; CT S2 SW4 NW4 of 25-8N-6W; TD: 10,800 feet.
February 8, 2009
Drilling Reports GRADY COUNTYAmend

Pemex; Boswell 3; NE4 NE4 NW4 SW4 of 17-5N-7W; TD: 2,338 feet.
January 25, 2009
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