TEXAS UNIVERSITY SEC. 1 & 2

Oil · District 08 · Lease #20901

Operator: VANGUARD PERMIAN, LLC

Fields: DUNE

Cum Oil

1.3M BBL

Cum Gas

651k MCF

casinghead

Wells

73

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 1,293,943 BBL Cum Gas: 651,262 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,452 BBL/mo

Di (annual)

9.5%

b-factor

0.0

EUR

1,307,547 BBL

R-squared

0.934

type

exponential

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2022-02 — 2023-10 SLANT OPERATING, LLC 21 mo
2021-02 — 2022-01 CONTANGO RESOURCES, INC. 12 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 mo
2012-04 — 2015-04 VANGUARD PERMIAN, LLC 37 mo
2008-01 — 2012-03 ENCORE ENERGY PARTNERS OPER LLC 51 mo
2004-05 — 2007-12 ENCORE OPERATING, L.P. 44 mo
2002-08 — 2004-04 CORTEZ OPERATING COMPANY 21 mo
2002-04 — 2002-07 HOME-STAKE OIL & GAS COMPANY 4 mo
2000-06 — 2002-03 PURE RESOURCES, L.P. 22 mo
1996-11 — 2000-05 TITAN RESOURCES I, INC. 43 mo
1993-01 — 1996-10 MOBIL PRODUCING TX. & N.M. INC. 46 mo

Wells (73)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
92WFORMENTERA OPERATIONS LLC29,5001991-11-01
87FORMENTERA OPERATIONS LLC13,4001991-10-25
88FORMENTERA OPERATIONS LLC13,4001991-10-25
89WFORMENTERA OPERATIONS LLC13,4001991-10-03
90FORMENTERA OPERATIONS LLC13,4001991-10-02
91WFORMENTERA OPERATIONS LLC13,4001991-10-02
85FORMENTERA OPERATIONS LLC13,4001991-09-30
86FORMENTERA OPERATIONS LLC13,4001991-09-30
76FORMENTERA OPERATIONS LLC13,4501991-01-30
84WFORMENTERA OPERATIONS LLC13,4501991-01-21
78FORMENTERA OPERATIONS LLC13,4501991-01-04
80FORMENTERA OPERATIONS LLC13,4501991-01-04
77FORMENTERA OPERATIONS LLC13,4501991-01-03
79FORMENTERA OPERATIONS LLC13,4501991-01-03
81FORMENTERA OPERATIONS LLC13,4501991-01-03
82WFORMENTERA OPERATIONS LLC13,4501991-01-03
83WFORMENTERA OPERATIONS LLC13,4501991-01-03
70FORMENTERA OPERATIONS LLC13,4501990-03-15
71FORMENTERA OPERATIONS LLC13,4501990-03-15
72FORMENTERA OPERATIONS LLC13,4501990-03-15
69FORMENTERA OPERATIONS LLC13,4501990-02-15
73WFORMENTERA OPERATIONS LLC13,4501990-02-15
74WFORMENTERA OPERATIONS LLC13,4501990-02-15
75WFORMENTERA OPERATIONS LLC13,4501990-02-15
25FORMENTERA OPERATIONS LLC13,4001990-01-25
19FORMENTERA OPERATIONS LLC19,3301989-10-26
65FORMENTERA OPERATIONS LLC13,5001989-09-06
63FORMENTERA OPERATIONS LLC13,5001989-08-28
64FORMENTERA OPERATIONS LLC13,5001989-08-28
66FORMENTERA OPERATIONS LLC13,5001989-08-03
67FORMENTERA OPERATIONS LLC13,5001989-08-03
68WFORMENTERA OPERATIONS LLC13,5001989-08-03
62WFORMENTERA OPERATIONS LLC13,5001988-02-29
61FORMENTERA OPERATIONS LLC13,5001988-02-24
59FORMENTERA OPERATIONS LLC18,7001980-11-06
142-103-03673FORMENTERA OPERATIONS LLC------
10W42-103-03896FORMENTERA OPERATIONS LLC------
11W42-103-03887FORMENTERA OPERATIONS LLC------
12W42-103-03899FORMENTERA OPERATIONS LLC------
13W42-103-03900FORMENTERA OPERATIONS LLC------
14W42-103-03898FORMENTERA OPERATIONS LLC------
15W42-103-03897FORMENTERA OPERATIONS LLC------
16W42-103-03904FORMENTERA OPERATIONS LLC------
17W42-103-03679FORMENTERA OPERATIONS LLC------
18W42-103-03646FORMENTERA OPERATIONS LLC------
20W42-103-03680FORMENTERA OPERATIONS LLC------
21W42-103-30318FORMENTERA OPERATIONS LLC------
2242-103-30320FORMENTERA OPERATIONS LLC------
22W42-103-30320FORMENTERA OPERATIONS LLC------
2342-103-30321FORMENTERA OPERATIONS LLC------
2442-103-30333FORMENTERA OPERATIONS LLC------
26W42-103-30317FORMENTERA OPERATIONS LLC------
2742-103-30334FORMENTERA OPERATIONS LLC------
2842-103-30335FORMENTERA OPERATIONS LLC------
2942-103-30316FORMENTERA OPERATIONS LLC------
2W42-103-03674FORMENTERA OPERATIONS LLC------
342-103-03677FORMENTERA OPERATIONS LLC------
3142-103-30336FORMENTERA OPERATIONS LLC------
3342-103-30343FORMENTERA OPERATIONS LLC------
3442-103-30338FORMENTERA OPERATIONS LLC------
3542-103-30315FORMENTERA OPERATIONS LLC------
3642-103-30324FORMENTERA OPERATIONS LLC------
3742-103-30345FORMENTERA OPERATIONS LLC------
3842-103-30331FORMENTERA OPERATIONS LLC------
4042-103-30342FORMENTERA OPERATIONS LLC------
40W42-103-30342FORMENTERA OPERATIONS LLC------
4742-103-82565FORMENTERA OPERATIONS LLC------
4W42-103-03647FORMENTERA OPERATIONS LLC------
5W42-103-03678FORMENTERA OPERATIONS LLC------
6W42-103-03676FORMENTERA OPERATIONS LLC------
7W42-103-03675FORMENTERA OPERATIONS LLC------
8W42-103-03672FORMENTERA OPERATIONS LLC------
942-103-03903FORMENTERA OPERATIONS LLC------