OPERATORS · TEXAS · P-5 NUMBER 643392

Patterson Petroleum, Inc.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 309 Recompletion 34 Reenter 18 Other 8

21 FILINGS · 16 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 14, 1998	477931	Drill	Grimes	Knotts Unit #1H	16,300	—	18530641	Now CML Exploration LLC
Jul 14, 1998	477931Amendment	Drill	Grimes	Knotts Unit #1H	16,300	Final completion	18530641	Now CML Exploration LLC
Apr 18, 1996	447212	Drill	Grimes	Iola SWD #1	5,500	Final completion	18530571	Now Patterson Petroleum LLC
Apr 18, 1996	447211	Drill	Grimes	Jake #1H	14,500	Final completion	18530572	—
Mar 13, 1996	445897	Drill	Grimes	Selected Lands Unit #1 #1H	15,000	Final completion	18530564	Now Patterson Petroleum LP
Jan 24, 1996	443836	Drill	Grimes	Wright Unit #1H	14,500	Final completion	18530558	Now Patterson Petroleum LP
Sep 5, 1995	439359	Drill	Grimes	Selected Lands Unit #2H	14,500	Final completion	18530538	Now Evolution Operating Co. Inc.
Jul 12, 1995	437739	Drill	Grimes	Pearson Unit #1H	15,500	Final completion	18530529	Now Guardian Energy Operating Co LLC
Apr 7, 1995	434617	Recompletion	Grimes	McDuffie Unit #1H	12,700	Final completion	18530433	Now CML Exploration LLC
Dec 30, 1994	431446	Reenter	Grimes	Ozelle Davis Unit #1HH	16,500	Final completion	18530221	Now CML Exploration LLC
Dec 28, 1994	431374	Drill	Grimes	Norwood Unit #1H	16,000	Final completion	18530489	Now Contango Resources Inc.
Oct 6, 1994	428856	Drill	Grimes	Frazier Unit #1H	16,000	Spudded	18530472	Now Leexus Oil LLC
Oct 6, 1994	428856Amendment	Drill	Grimes	Frazier Unit #1H	15,300	Final completion	18530472	Now Leexus Oil LLC
Oct 3, 1994	428262	Drill	Grimes	Hassler Unit SWD #2	5,700	Final completion	18530469	Now Wildfire Energy Operating LLC
Oct 27, 1993	417577	Drill	Grimes	Hassler Unit #1H	15,400	Final completion	18530443	Now Wildfire Energy Operating LLC
Jul 30, 1993	414151	Reenter	Grimes	McDuffie SWD #1	4,500	—	18530211	Now Apache Corporation
Mar 9, 1993	409671	Drill	Grimes	Denman Unit #1H	12,500	Long string casing	18530433	Now CML Exploration LLC
Mar 9, 1993	409671Amendment	Drill	Grimes	Denman Unit #1H	11,900	—	18530433	Now CML Exploration LLC
Mar 9, 1993	409671Amendment	Drill	Grimes	Denman Unit #1H	12,700	Final completion	18530433	Now CML Exploration LLC
Sep 21, 1992	403663	Drill	Grimes	Hargrave Unit #1H	11,550	Final completion	18530429	Now Patterson Petroleum LP
Sep 21, 1992	403663Amendment	Drill	Grimes	Hargrave Unit #1H	11,550	—	18530429	Now Patterson Petroleum LP