O'CONNOR, THOMAS -C-

Oil // district 2 // lease#2876

op: QUINTANA PET. CORP.

fields: TOM OCONNOR (5900 SAND)

cum_oil

3.0M BBL

cum_gas

0 MCF

wells

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 2,992,474 BBL cum_gas: 0 MCF

-- decline_curve_analysis

47,583 BBL/mo

Di (annual)

33.2%

b-factor

0.2

EUR

2,143,810 BBL

R-squared

0.826

type

hyperbolic

-- wells (59)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
91	42-391-31896	QUINTANA PET. CORP.	3	8,500	2024-10-29
79	42-391-31248	QUINTANA PET. CORP.	3	8,500	2024-03-05
39 L	42-391-01567	QUINTANA PET. CORP.	2	5,925	2023-09-18
81 L	42-391-31609	QUINTANA PET. CORP.	5	7,000	2023-08-25
32	42-391-01147	QUINTANA PET. CORP.	5	5,925	2023-08-03
88	42-391-31860	QUINTANA PET. CORP.	5	8,000	2023-07-24
85	42-391-31613	QUINTANA PET. CORP.	3	7,000	2021-10-07
85 L	42-391-31613	QUINTANA PET. CORP.	3	7,000	2021-10-07
9	42-391-01167	QUINTANA PET. CORP.	5	5,925	2018-02-08
9A	42-391-01167	QUINTANA PET. CORP.	5	5,925	2018-02-08
87 L	42-391-31839	QUINTANA PET. CORP.	7	6,300	2017-08-29
4	42-391-01162	HILCORP ENERGY COMPANY	3	5,929	2017-02-15
4 L	42-391-01162	HILCORP ENERGY COMPANY	3	5,929	2017-02-15
50	42-391-01573	HILCORP ENERGY COMPANY	5	5,895	2017-01-13
10	42-391-01154	QUINTANA PET. CORP.	5	5,916	2016-04-01
48	42-391-01569	QUINTANA PET. CORP.	5	5,906	2016-02-24
94	42-391-32017	QUINTANA PET. CORP.	6	6,000	2015-09-25
30	42-391-01174	HILCORP ENERGY COMPANY	5	5,930	2015-01-12
92	42-391-31895	QUINTANA PET. CORP.	5	8,500	2014-12-03
92 L	42-391-31895	QUINTANA PET. CORP.	5	8,500	2014-12-03
92R	42-391-31895	QUINTANA PET. CORP.	5	8,500	2014-12-03
89	42-391-31898	QUINTANA PET. CORP.	7	8,500	2014-11-13
89 L	42-391-31898	QUINTANA PET. CORP.	7	8,500	2014-11-13
93 L	42-391-31894	QUINTANA PET. CORP.	3	8,500	2014-09-27
98	42-391-32634	HILCORP ENERGY COMPANY	4	6,400	2014-01-16
83	42-391-31611	QUINTANA PET. CORP.	4	7,000	2013-12-05
35	42-391-01149	QUINTANA PET. CORP.	3	5,925	2013-05-22
78	42-391-30220	HILCORP ENERGY COMPANY	4	6,750	2012-05-02
18	42-391-01168	QUINTANA PET. CORP.	5	5,911	2012-03-23
18 L	42-391-01168	QUINTANA PET. CORP.	5	5,911	2012-03-23
4G	42-391-01159	QUINTANA PET. CORP.	11	5,980	2011-11-08
4GA	42-391-01159	QUINTANA PET. CORP.	11	5,980	2011-11-08
84	42-391-31612	QUINTANA PET. CORP.	6	7,000	2011-08-05
97	42-391-32596	HILCORP ENERGY COMPANY	2	6,200	2011-08-02
97 L	42-391-32596	HILCORP ENERGY COMPANY	2	6,200	2011-08-02
5 L	42-391-01163	HILCORP ENERGY COMPANY	1	5,926	2011-07-21
3	42-391-01161	QUINTANA PET. CORP.	6	5,920	2011-06-23
51	42-391-01143	QUINTANA PET. CORP.	7	5,915	2011-06-23
25	42-391-01169	QUINTANA PET. CORP.	3	5,925	2010-08-11
52	42-391-01144	QUINTANA PET. CORP.	7	5,905	2010-08-06
6 G	42-391-01142	QUINTANA PET. CORP.	7	5,980	2010-05-26
2	42-391-01488	QUINTANA PET. CORP.	3	5,925	2009-11-20
22	42-391-01135	QUINTANA PET. CORP.	3	5,925	2009-11-16
3 G	42-391-01140	QUINTANA PET. CORP.	10	5,900	2009-11-13
53	42-391-01131	QUINTANA PET. CORP.	2	8,655	2009-07-31
2 G	42-391-01182	QUINTANA PET. CORP.	5	5,950	2009-07-30
54	42-391-01574	QUINTANA PET. CORP.	3	5,912	2008-06-12
90	42-391-31897	QUINTANA PET. CORP.	6	8,500	2005-12-16
90 C	42-391-31897	QUINTANA PET. CORP.	6	8,500	2005-12-16
17	42-391-01128	QUINTANA PET. CORP.	4	5,940	2002-01-24
17A	42-391-01128	QUINTANA PET. CORP.	4	5,940	2002-01-24
6	42-391-01164	QUINTANA PET. CORP.	2	5,925	2002-01-24
96	42-391-32088	QUINTANA PET. CORP.	3	6,110	1999-02-05
96 L	42-391-32088	QUINTANA PET. CORP.	3	6,110	1999-02-05
16 L	42-391-01570	QUINTANA PET. CORP.	1	5,924	1990-07-02
8 L	42-391-01166	QUINTANA PET. CORP.	1	5,910	1983-12-01
31 L	42-391-01175	QUINTANA PET. CORP.	2	5,925	1983-05-09
1 L	42-391-01133	--	--	--	--
26 L	42-391-01170	--	--	--	--