OPERATORS · TEXAS · P-5 NUMBER 871169

Trivista Operating LLC

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181 FILINGS · 176 PERMITS · PAGE 1 OF 4 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Aug 6, 2001	512288	Drill	Bastrop	King, W. S. #2	5,600	Final completion	02131545	Acquired from Texas Vanguard Oil Company
Jul 18, 2001	511358	Drill	Bastrop	Horn #2	5,600	Final completion	02131544	Acquired from Texas Vanguard Oil Company
Jul 27, 2000	497547	Drill	Bastrop	Lorenz, Adelia et Al #2	5,600	Final completion	02131542	Acquired from Texas Vanguard Oil Company
Dec 11, 1997	470775	Drill	Bastrop	Blasig #3	5,600	Final completion	02131534	Acquired from Stanton Mineral Development Inc
Feb 28, 1997	459319	Drill	Bastrop	Wynn #2	5,600	Final completion	02131528	Acquired from Stanton Mineral Development Inc
Sep 12, 1996	452564	Drill	Bastrop	Steglich, Monroe #3	5,600	Final completion	02131525	Acquired from Stanton Mineral Development Inc
Jul 2, 1996	449614	Drill	Bastrop	Glona, C. #2	5,600	Final completion	02131523	Acquired from Stanton Mineral Development Inc
Apr 30, 1996	447588	Drill	Bastrop	Peschke, R. #2	5,600	Final completion	02131522	Acquired from Stanton Mineral Development Inc
Feb 9, 1996	443706	Drill	Bastrop	Meuth - Glona #2	5,500	Final completion	02131517	Acquired from Stanton Mineral Development Inc
Oct 31, 1995	441423	Drill	Bastrop	Zoch #2	5,600	Final completion	02131515	Acquired from Stanton Mineral Development Inc
Oct 27, 1995	441294	Drill	Bastrop	Act Ranch #1B	5,600	Final completion	02131514	Acquired from San Antonio Gas & Oil, Inc.
Oct 16, 1995	440878	Drill	Bastrop	Meuth, Leonard #1B	5,500	Final completion	02131513	Acquired from San Antonio Gas & Oil, Inc.
Sep 11, 1995	438996	Drill	Bastrop	Meuth, Ben S. #2A	5,600	Final completion	02131510	Acquired from Stanton Mineral Development Inc
Mar 3, 1995	433404	Drill	Bastrop	Behrens-Obrien #3	5,450	Final completion	02131501	Acquired from Stanton Mineral Dev. Group, Inc.
Oct 20, 1994	429175	Drill	Bastrop	Behrens Unit #1H	7,500	Final completion	02131495	Acquired from Union Pacific Resources Company
Aug 27, 1993	415417	Drill	Bastrop	Act Ranch #6	5,700	Final completion	02131482	Acquired from South Texas Drilling & Expl, Inc
Feb 2, 1993	408629	Drill	Bastrop	Act Ranch #5	5,800	Final completion	02131467	Acquired from San Antonio Gas & Oil, Inc.
Oct 29, 1992	405383	Drill	Bastrop	Carter, Gertrude (Trudy) #9	5,500	Final completion	02131459	Acquired from Carter, Gertrude (Trudy)
Sep 2, 1992	402947	Drill	Bastrop	Carter, Gertrude (Trudy) #8	5,500	Final completion	02131451	Acquired from Carter, Gertrude (Trudy)
Sep 2, 1992	402938	Drill	Bastrop	Steglich, Edward #4	5,700	Final completion	02131452	Acquired from San Antonio Gas & Oil, Inc.
Jun 8, 1992	399940	Drill	Bastrop	Steglich, Edward #3	5,800	Final completion	02131440	Acquired from San Antonio Gas & Oil, Inc.
Sep 10, 1991	391492	Drill	Bastrop	Gloger, M. J. #1	5,500	Final completion	02131419	Acquired from Kelpetro, Inc.
May 10, 1991	387655	Drill	Bastrop	O'Brien, L. F. et Al #2	5,500	Final completion	02131397	Acquired from Kelpetro, Inc.
Mar 28, 1991	386071	Drill	Bastrop	Meuth, E.L. #1	5,400	Final completion	02131388	Acquired from Oversea Oil Co.
Oct 22, 1990	379655	Drill	Bastrop	Louise #1	5,600	Final completion	02131378	Acquired from Maxwell Oil & Gas Corp.
Sep 10, 1990	377602	Drill	Bastrop	Pin Oak #1	5,700	Final completion	02131367	Acquired from Melton Energy Inc.
Sep 5, 1990	377497	Drill	Bastrop	Carter, Gertrude (Trudy) #7	5,500	Final completion	02131366	Acquired from Carter, Gertrude (Trudy)
Aug 14, 1990	376587	Drill	Bastrop	Carter, Gertrude (Trudy) #6	5,500	Final completion	02131361	Acquired from Carter, Gertrude (Trudy)
Jun 25, 1990	372310	Drill	Bastrop	Vicki Unit #1	5,900	Final completion	02131349	Acquired from Black Gold Operating Co., Inc.
May 29, 1990	373820	Drill	Bastrop	L. F. O'Brien et al Unit #1	7,200	Final completion	02131354	Acquired from Kelpetro, Inc.
Apr 25, 1990	372515	Drill	Bastrop	Campbell et Al #1	5,600	Final completion	02131352	Acquired from Kelpetro, Inc.
Apr 23, 1990	372302	Drill	Bastrop	Lehman #1	5,500	Final completion	02131350	Acquired from Ernest Operating Company
Apr 18, 1990	372223	Drill	Bastrop	Cook #1	5,100	Final completion	02131348	Acquired from Magna Oil & Gas Corporation
Mar 21, 1990	371039	Drill	Bastrop	Meuth, Ben et Al #1	5,600	Final completion	02131339	Acquired from Kelpetro, Inc.
Mar 21, 1990	371038	Drill	Bastrop	King, W. S. et Al #1	5,600	Final completion	02131338	Acquired from Kelpetro, Inc.
Mar 12, 1990	370722	Drill	Bastrop	Cook A #1	5,700	Final completion	02131337	Acquired from Melton Energy Inc.
Feb 26, 1990	369897	Drill	Bastrop	Cook A #2	5,700	Final completion	02131333	Acquired from Melton Energy Inc.
Feb 7, 1990	369494	Drill	Bastrop	Live Oak #1	5,700	Final completion	02131332	Acquired from Melton Energy Inc.
Feb 7, 1990	369493	Drill	Bastrop	Live Oak #2	5,700	Final completion	02131331	Acquired from Melton Energy Inc.
Jan 18, 1990	368652	Drill	Bastrop	Harris, Petrash "A" #2	5,400	Final completion	02131328	Acquired from Oversea Oil Co.
Oct 11, 1989	364945	Drill	Bastrop	Petrash-Harris "A" #3	5,500	—	02131328	Acquired from Maxwell Oil & Gas Corp.
Sep 1, 1989	363490	Drill	Bastrop	Behrens-Gloger #1	5,600	Final completion	02131317	Acquired from Kelpetro, Inc.
Jun 19, 1989	360468	Drill	Bastrop	Steglich et Al #2	5,600	Final completion	02131306	Acquired from Kelpetro, Inc.
Jun 9, 1989	360222	Drill	Bastrop	Christensen et Al #1	5,600	Final completion	02131304	Acquired from Kelpetro, Inc.
Jun 8, 1989	360082	Drill	Bastrop	Frerich, Louis Jr. #1	5,200	Final completion	02131301	Acquired from Oversea Oil Co.
May 16, 1989	359293	Drill	Bastrop	Amber, Amy #2	5,600	Final completion	02131297	Acquired from Maxwell Oil & Gas Corp.
May 16, 1989	359271	Drill	Bastrop	Amber, Amy #1	5,600	Final completion	02131296	Acquired from Maxwell Oil & Gas Corp.
May 2, 1989	358709	Drill	Bastrop	Steglich, J. C. "D" #4	5,800	Final completion	02131295	Acquired from Oversea Oil Co.
May 2, 1989	356855	Drill	Bastrop	Whitesides #1	5,400	Final completion	02131287	Acquired from Magna Oil & Gas Corporation
Apr 19, 1989	358256	Drill	Bastrop	Peters #8	5,800	Final completion	02131290	Acquired from Sonoble Operating, Inc.