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OPERATORS · TEXAS · P-5 NUMBER 251727

Encore Operating, L.P.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 533 Recompletion 76 Reenter 4 Reclass 2

18 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Nov 25, 2003	537815	Recompletion	Ector	East Cowden Grayburg Unit #4H	4,420	Final completion	13508823	Now GL Energy Operating LLC
Nov 21, 2003	537817	Recompletion	Ector	East Cowden Grayburg Unit #35H	4,597	—	13531608	Now GL Energy Operating LLC
Nov 21, 2003	537817	Recompletion	Ector	East Cowden Grayburg Unit #35H	4,597	Final completion	13531608	Now GL Energy Operating LLC
Nov 19, 2003	537805	Recompletion	Ector	East Cowden Grayburg Unit #16H	4,437	Final completion	13508349	Now GL Energy Operating LLC
Feb 10, 2003	527993	Recompletion	Ector	East Cowden Grayburg Unit #6H	4,250	Final completion	13530274	Now GL Energy Operating LLC
Jan 17, 2003	527280	Drill	Ector	East Cowden Grayburg Unit #96	4,800	Final completion	13538323	Now GL Energy Operating LLC
Jan 15, 2003	527262	Drill	Ector	East Cowden Grayburg Unit #94	4,800	Final completion	13538322	Now GL Energy Operating LLC
Jan 15, 2003	527260	Drill	Ector	East Cowden Grayburg Unit #93	4,800	Final completion	13538321	Now GL Energy Operating LLC
Jan 15, 2003	527194	Drill	Ector	East Cowden Grayburg Unit #92	4,800	Final completion	13538319	Now GL Energy Operating LLC
Jan 13, 2003	527148	Drill	Ector	East Cowden Grayburg Unit #91	4,700	Final completion	13538318	Now GL Energy Operating LLC
Jan 9, 2003	527120	Drill	Ector	East Cowden Grayburg Unit #90	4,700	—	13538317	—
Jan 9, 2003	527114	Drill	Ector	East Cowden Grayburg Unit #89	4,700	—	13538316	—
Dec 11, 2002	526217	Drill	Ector	East Cowden Grayburg Unit #95	4,700	Final completion	13538304	Now GL Energy Operating LLC
Jun 25, 2002	521029	Drill	Ector	East Cowden (Grayburg) Unit #88	4,800	Final completion	13538234	Now GL Energy Operating LLC
Jun 25, 2002	521019	Drill	Ector	East Cowden (Grayburg) Unit #84	4,800	Final completion	13538233	Now GL Energy Operating LLC
Jun 25, 2002	521017	Drill	Ector	East Cowden (Grayburg) Unit #85	4,800	Final completion	13538232	Now GL Energy Operating LLC
Jun 25, 2002	521016	Drill	Ector	East Cowden (Grayburg) Unit #86	4,800	Final completion	13538231	Now GL Energy Operating LLC
Jun 25, 2002	521013	Drill	Ector	East Cowden (Grayburg) Unit #87	4,800	Final completion	13538230	Now GL Energy Operating LLC