OPERATORS · RRC 920480

Whiting Petro Corp

WindowAll time 90 days 1 year 3 years 10 years

CountySan Patricio 21 Lavaca 13 Yoakum 11 Polk 10 Montgomery 9 Brazoria 7 Nueces 7 Karnes 6 Hardin 4 Hidalgo 4

TypeDrill 52 Recompletion 43 Reenter 1 Field transfer 1

118 PERMITS · PAGE 1 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Mar 23, 2011	712394	Recompletion	San Patricio	Nelson, A.E #8	7,925	Final completion	40932666	Acquired from Magnum Producing, LP
Jun 10, 2005	601916	Recompletion	San Patricio	Pyron, B. J. #2	7,900	Final completion	40932653	Acquired from Whiting Oil and Gas Corporation
Mar 28, 2005	559355	Recompletion	San Patricio	Nelson, A.E. #8	7,925	Final completion	40932666	Acquired from Whiting Oil and Gas Corporation
Jun 17, 2004	547059	Recompletion	San Patricio	Nelson, a E #8	7,925	Final completion	40932666	Acquired from Whiting Oil and Gas Corporation
Nov 7, 2003	538392	Recompletion	Leon	Noey Gas Unit #1	15,500	—	28931236	Now Whiting Oil and Gas Corporation
Oct 3, 2003	537157	Drill	Nueces	Burnett et al Gas Unit #7	11,500	—	35533586	—
Oct 3, 2003	537156	Drill	Nueces	Burnett et al Gas Unit #6	10,100	—	35533585	—
Oct 3, 2003	537155	Drill	DE Witt	Julia Mott Gas Unit No. 1 #7 HH	17,300	Final completion	12331951	—
Oct 3, 2003	537154	Drill	Karnes	Blackwell #1 HH	13,795	Final completion	25531368	Now Repsol Oil & Gas USA LLC
Jul 25, 2003	534635	Drill	Karnes	Rhodes Trust #2	9,600	Final completion	25531475	—
Jun 27, 2003	533626	Drill	Karnes	Waskow Gas Unit #1HH	13,970	—	25530250	Now Repsol Oil & Gas USA LLC
Jun 27, 2003	533626	Drill	Karnes	Waskow Gas Unit #1HH	13,920	Final completion	25530250	Now Repsol Oil & Gas USA LLC
Jun 18, 2003	533299	Recompletion	Aransas	Newberry Unit #1	7,580	—	00730780	—
Jun 9, 2003	532904	Recompletion	Panola	Vice Shivers Unit #2	7,000	Final completion	36530754	Now Danmark Energy Services Inc.
Apr 23, 2003	531056	Recompletion	Lavaca	Smolik, Albert #3H	16,700	—	28531592	—
Apr 1, 2003	530199	Recompletion	Nueces	Dollarhide #1	8,379	—	35533297	—
Mar 3, 2003	529009	Recompletion	DE Witt	Julia Mott Gas Unit No. 1 #1HH	14,250	Final completion	12330351	Now Foundation Energy Management LLC
Feb 10, 2003	527974	Drill	Nueces	Otahal et al Gas Unit #5	9,750	Final completion	35533525	Now STS Petroleum LLC
Feb 10, 2003	527973	Drill	Nueces	Burnett et al Gas Unit #4	10,100	Final completion	35533526	—
Jan 10, 2003	527193	Recompletion	Victoria	Tucker Gas Unit #1	4,800	—	46933460	—
Nov 7, 2002	525305	Recompletion	Lavaca	Baass #3	5,510	—	28532785	—
Nov 7, 2002	525305	Recompletion	Lavaca	Baass #3	5,510	—	28532785	—
Nov 7, 2002	525304	Recompletion	San Patricio	Ola McCann Gas Unit #2	9,586	Final completion	40932700	—
Oct 14, 2002	524546	Reenter	Leon	Vann Unit #3H	15,425	—	28931247	—
Oct 7, 2002	524411	Recompletion	Lavaca	Haidusek #5	5,500	Final completion	28532854	—
Sep 27, 2002	524138	Recompletion	Lavaca	H. R. Baas Gas Unit #1	5,251	—	28532213	—
Aug 19, 2002	522799	Drill	Nueces	Prochaska Gas Unit #1	10,050	Final completion	35533479	Now Whiting Oil and Gas Corporation
Jul 3, 2002	521153	Recompletion	Karnes	Davila #1HH	13,865	—	25531370	—
Jul 2, 2002	521154	Recompletion	Karnes	Rhodes Trust #1HH	13,448	—	25531382	—
Apr 30, 2002	519539	Drill	San Patricio	Ola McCann Gas Unit #2	9,200	—	40932700	—
Apr 30, 2002	519539	Drill	San Patricio	Ola McCann Gas Unit #2	9,680	Final completion	40932700	—
Apr 19, 2002	519165	Drill	San Patricio	Hunt Gas Unit #1	8,500	Final completion	40932699	Now Whiting Oil and Gas Corporation
Feb 11, 2002	517524	Recompletion	San Patricio	McCann, Ola #4	7,678	Final completion	40932649	—
Dec 13, 2001	516011	Drill	Anderson	Ware, G. W. #2	8,300	—	00132380	—
Aug 22, 2001	512863	Recompletion	Hidalgo	Arco Dougherty/Eia Unit #1 #1	9,131	Final completion	21531927	—
Jul 27, 2001	511958	Recompletion	San Patricio	Nelson, A. E. #8	7,925	—	40932666	—
Jul 27, 2001	511958	Recompletion	San Patricio	Nelson, A. E. #8	7,925	Final completion	40932666	—
Jul 19, 2001	511637	Drill	Lavaca	Lacey, Virginia #1C	9,000	—	28532907	—
May 4, 2001	508585	Recompletion	San Patricio	Pyron, B. J. #2	7,900	Final completion	40932653	—
Mar 21, 2001	506660	Drill	Hidalgo	Dougherty/Eia Unit #1 #2	10,400	Final completion	21532870	—
Feb 22, 2001	505711	Recompletion	Polk	Edna P. Miller Gas Unit #2	10,790	Final completion	37330915	—
Feb 22, 2001	505710	Recompletion	Polk	Edna P. Miller Gas Unit #3	10,800	Final completion	37330927	—
Feb 21, 2001	505526	Drill	San Patricio	Nelson, A. E. #8	7,925	Final completion	40932666	—
Feb 8, 2001	505009	Drill	Lavaca	Haidusek #5	5,500	Final completion	28532854	—
Jan 29, 2001	504572	Drill	Hidalgo	Dougherty/Eia, Unit No. 2 #2	10,400	Final completion	21532850	Now Dewbre Petroleum Corporation
Oct 20, 2000	500820	Drill	San Patricio	Pyron, B. J. #2	7,900	—	40932653	—
Oct 20, 2000	500820	Drill	San Patricio	Pyron, B. J. #2	7,900	Final completion	40932653	—
Oct 11, 2000	500656	Recompletion	Montgomery	Rhodes, W. S. #19	3,300	Final completion	33930974	Now Magnolia Oil & Gas Operating LLC
Sep 29, 2000	500235	Field transfer	Polk	Edna P. Miller Gas Unit #4	9,400	Final completion	37330935	Now Eqv Operating LLC
Sep 29, 2000	500119	Drill	San Patricio	McCann, Ola #4	7,900	Final completion	40932649	—