OPERATORS · TEXAS · P-5 NUMBER 846879

Texas Oil and Gas Operating, LLC

WindowAll time 90 days 1 year 3 years 10 years

CountyWillacy 119 Newton 16 Bexar 5 Kenedy 4 Lee 3 Frio 2

149 FILINGS · 122 PERMITS · PAGE 2 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 15, 2010	698987	Drill	Willacy	Yturria #28D	4,000	Unperforated completion	48931249	Acquired from Blakenergy Operating, LLC
Mar 3, 2010	692057	Drill	Willacy	Yturria #14RR	3,950	Unperforated completion	48931243	Acquired from Blakenergy Operating, LLC
Jan 14, 2010	689637	Drill	Willacy	Yturria #42	11,000	Spudded	48931240	Acquired from Blakenergy Operating, LLC
Jan 14, 2010	689637Amendment	Drill	Willacy	Yturria #42	11,000	Final completion	48931240	Acquired from La Sara Operating Company, LLC
Apr 21, 2009	680504	Reenter	Willacy	Yturria #2	8,500	—	48931082	Acquired from Blakenergy Operating, LLC
Dec 31, 2008	676370	Drill	Willacy	Yturria #30D	8,950	Final completion	48931227	Acquired from Blakenergy Operating, LLC
Dec 9, 2008	675899	Drill	Willacy	Yturria #12RR	5,000	Unperforated completion	48931224	Acquired from Blakenergy Operating, LLC
Oct 22, 2008	673403	Drill	Willacy	Yturria #43	8,999	Final completion	48931220	Acquired from Blakenergy Operating, LLC
Oct 22, 2008	673388	Drill	Willacy	Yturria #19	11,000	Final completion	48931219	Acquired from Blakenergy Operating, LLC
Oct 6, 2008	671866	Drill	Willacy	Yturria #12	11,000	Final completion	48931215	Acquired from Blakenergy Operating, LLC
Jul 23, 2008	665970	Drill	Willacy	Yturria #A 2RR	5,000	Final completion	48931207	Acquired from Blakenergy Operating, LLC
May 21, 2008	661177	Drill	Willacy	Yturria #10	11,000	Final completion	48931203	Acquired from Blakenergy Operating, LLC
Feb 26, 2008	655147	Drill	Willacy	Yturria #8RR	4,200	Unperforated completion	48931196	Acquired from Blakenergy Operating, LLC
Dec 21, 2007	650153	Reenter	Willacy	Yturria #3A	9,000	—	48931112	Acquired from Blakenergy Operating, LLC
Dec 14, 2007	650974	Drill	Willacy	Yturria #9	8,900	—	48931191	Acquired from Blakenergy Operating, LLC
Dec 14, 2007	650974Amendment	Drill	Willacy	Yturria #9	11,000	Final completion	48931191	Acquired from Blakenergy Operating, LLC
Jul 20, 2007	641848	Drill	Willacy	Yturria #15RR	3,200	Final completion	48931179	Acquired from Blakenergy Operating, LLC
Jul 17, 2007	642112	Drill	Willacy	Yturria #40	8,300	Final completion	48931181	Acquired from Blakenergy Operating, LLC
Jul 16, 2007	641967	Drill	Willacy	Yturria #16RR	3,300	Final completion	48931180	Acquired from Blakenergy Operating, LLC
Mar 23, 2007	635331	Drill	Willacy	Yturria #13RR	3,600	Final completion	48931173	Acquired from Blakenergy Operating, LLC
Feb 21, 2007	633679	Drill	Willacy	Fausto Yturria, Jr. #1	14,200	Final completion	48931170	Acquired from Dominion Expl. & Prod., Inc.
Oct 20, 2006	627368	Drill	Willacy	Yturria #32	7,900	Final completion	48931161	Acquired from Blakenergy Operating, LLC
May 22, 2006	619428	Drill	Willacy	Yturria #34	7,700	Final completion	48931149	Acquired from Blakenergy Operating, LLC
Feb 13, 2006	613677	Recompletion	Kenedy	Mary B #1	13,050	—	26131327	Acquired from Blakenergy Operating, LLC
Feb 10, 2006	613578	Drill	Willacy	Yturria #10RR	5,000	Final completion	48931136	Acquired from Blakenergy Operating, LLC
Jan 17, 2006	612144	Drill	Willacy	Yturria #33	8,100	Final completion	48931133	Acquired from Blakenergy Operating, LLC
Nov 10, 2005	609085	Reenter	Willacy	Yturria #2	8,500	Final completion	48931082	Acquired from Blakenergy Operating, LLC
Aug 4, 2005	604437	Drill	Willacy	Yturria, Fausto Jr et al "A" #6	9,000	Final completion	48931122	Acquired from Blakenergy Operating, LLC
Jun 7, 2005	601720	Drill	Willacy	Yturria #C 5RR	4,700	Final completion	48931120	Acquired from Blakenergy Operating, LLC
May 27, 2005	601339	Drill	Willacy	Yturria #3RR	3,200	Final completion	48931117	Acquired from Blakenergy Operating, LLC
May 27, 2005	601337	Drill	Willacy	Yturria #1RR	3,200	Final completion	48931118	Acquired from Blakenergy Operating, LLC
Mar 14, 2005	558954	Drill	Willacy	Yturria #3	7,200	—	48931112	Acquired from Tucker Operating Co., Inc.
Mar 1, 2005	558356	Drill	Willacy	Yturria #5	7,900	—	48931111	Acquired from Tucker Operating Co., Inc.
Mar 1, 2005	558356Amendment	Drill	Willacy	Yturria #5	7,900	Final completion	48931111	Acquired from Blakenergy Operating, LLC
Dec 21, 2004	555161	Drill	Lee	Huettel-Brown #3	6,500	Final completion	28732527	Acquired from Houston Petroleum Company
Oct 6, 2004	551994	Drill	Willacy	Yturria #4	9,400	—	48931104	Acquired from Tucker Operating Co., Inc.
Oct 6, 2004	551994Amendment	Drill	Willacy	Yturria #4	9,200	Final completion	48931104	Acquired from Tucker Operating Co., Inc.
Feb 5, 2004	541756	Drill	Willacy	Yturria, Fausto #2	13,000	Plugged dry hole (P&A)	48931082	Acquired from Zinke & Trumbo, Inc.
Feb 5, 2004	541755	Drill	Willacy	Yturria, Fausto #1	13,000	—	48931081	Acquired from Zinke & Trumbo, Inc.
Feb 5, 2004	541755Amendment	Drill	Willacy	Yturria, Fausto #1	12,000	Final completion	48931081	Acquired from Tucker Operating Co., Inc.
Jun 24, 2003	533479	Drill	Kenedy	Mary B #1	14,500	—	26131327	Acquired from Swift Energy Company
Jun 24, 2003	533479Amendment	Drill	Kenedy	Mary B #1	14,500	—	26131327	Acquired from Swift Energy Company
Jun 24, 2003	533479Amendment	Drill	Kenedy	Mary B #1	14,500	Final completion	26131327	Acquired from Wagner & Brown, Ltd.
Sep 21, 2000	499921	Drill	Newton	Sutton Unit A-20 #1H	11,500	—	35130707	Acquired from Swift Energy Company
Sep 21, 2000	499921Amendment	Drill	Newton	Sutton Unit A-20 #1H	11,700	Final completion	35130707	Acquired from Swift Energy Company
Aug 22, 1996	446899Amendment	Drill	Newton	Jones Unit A-423 #1H	12,280	Final completion	35130652	Acquired from Sonat Exploration Company -Tyler
Apr 15, 1996	447007	Drill	Newton	Jones Unit A-533 #1H	12,315	Spudded	35130653	Acquired from Sonat Exploration Company -Tyler
Apr 15, 1996	447007Amendment	Drill	Newton	Jones Unit A-533 #1H	12,330	Final completion	35130653	Acquired from Sonat Exploration Company -Tyler
Apr 11, 1996	446899	Drill	Newton	Jones Unit A-423 #1H	12,233	Spudded	35130652	Acquired from Sonat Exploration Company -Tyler
Mar 27, 1996	446273	Recompletion	Willacy	Yturria Cattle Co. #13	5,359	Final completion	48930849	Acquired from Saga Pet. Ltd Liability Co of Co