SOUTHERN UNIT

Oil · District 08 · Lease #22613

Operator: VANGUARD OPERATING, LLC

Cum Oil

356k BBL

Cum Gas

153k MCF

casinghead

Wells

55

Production

1993-01 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 356,067 BBL Cum Gas: 152,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,705 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

254,779 BBL

R-squared

0.802

type

exponential

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2022-07 — 2023-10 SLANT OPERATING, LLC 16 mo
2022-01 — 2022-06 CONTANGO RESOURCES, LLC 6 mo
2021-02 — 2021-12 CONTANGO RESOURCES, INC. 11 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-11 — 2019-08 VANGUARD OPERATING, LLC 46 mo
2008-05 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 90 mo
2005-03 — 2008-04 STANOLIND OPERATING CORP. 38 mo
1996-03 — 2005-02 THREE-B OIL COMPANY, THE 108 mo
1993-01 — 1996-02 THOMAS, J. C. INC. 38 mo

Wells (55)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
182FORMENTERA OPERATIONS LLC15,8972007-11-21
184FORMENTERA OPERATIONS LLC14,5002005-01-24
183WFORMENTERA OPERATIONS LLC15,5002003-11-25
32FORMENTERA OPERATIONS LLC16,0001997-07-21
101742-103-00854FORMENTERA OPERATIONS LLC------
1020W42-103-00857FORMENTERA OPERATIONS LLC------
102242-103-00859FORMENTERA OPERATIONS LLC------
102342-103-00860FORMENTERA OPERATIONS LLC------
12142-103-03812FORMENTERA OPERATIONS LLC------
121042-103-03805FORMENTERA OPERATIONS LLC------
121142-103-03806FORMENTERA OPERATIONS LLC------
12242-103-03813FORMENTERA OPERATIONS LLC------
12342-103-03814FORMENTERA OPERATIONS LLC------
12442-103-03802FORMENTERA OPERATIONS LLC------
12542-103-03765FORMENTERA OPERATIONS LLC------
12642-103-03766FORMENTERA OPERATIONS LLC------
12742-103-03803FORMENTERA OPERATIONS LLC------
12842-103-03767FORMENTERA OPERATIONS LLC------
12942-103-03804FORMENTERA OPERATIONS LLC------
13142-103-03807FORMENTERA OPERATIONS LLC------
13242-103-03768FORMENTERA OPERATIONS LLC------
13342-103-03808FORMENTERA OPERATIONS LLC------
13442-103-03770FORMENTERA OPERATIONS LLC------
13542-103-03809FORMENTERA OPERATIONS LLC------
14142-103-03785FORMENTERA OPERATIONS LLC------
14342-103-03787FORMENTERA OPERATIONS LLC------
15142-103-03788FORMENTERA OPERATIONS LLC------
15242-103-03784FORMENTERA OPERATIONS LLC------
153W42-103-03984FORMENTERA OPERATIONS LLC------
15442-103-03985FORMENTERA OPERATIONS LLC------
15542-103-03987FORMENTERA OPERATIONS LLC------
15642-103-03988FORMENTERA OPERATIONS LLC------
15742-103-03989FORMENTERA OPERATIONS LLC------
18542-103-04682FORMENTERA OPERATIONS LLC------
185W42-103-04682FORMENTERA OPERATIONS LLC------
191W42-103-04672FORMENTERA OPERATIONS LLC------
201W42-103-05160FORMENTERA OPERATIONS LLC------
20242-103-04070FORMENTERA OPERATIONS LLC------
20442-103-04072FORMENTERA OPERATIONS LLC------
205W42-103-04073FORMENTERA OPERATIONS LLC------
206W42-103-04074FORMENTERA OPERATIONS LLC------
207W42-103-04075FORMENTERA OPERATIONS LLC------
3142-103-03279FORMENTERA OPERATIONS LLC------
31642-103-03810FORMENTERA OPERATIONS LLC------
4142-103-03273FORMENTERA OPERATIONS LLC------
5142-103-03272FORMENTERA OPERATIONS LLC------
70342-103-00271FORMENTERA OPERATIONS LLC------
7142-103-00269FORMENTERA OPERATIONS LLC------
7242-103-00272FORMENTERA OPERATIONS LLC------
7342-103-00271FORMENTERA OPERATIONS LLC------
7442-103-00268FORMENTERA OPERATIONS LLC------
7542-103-00267FORMENTERA OPERATIONS LLC------
76W42-103-00266FORMENTERA OPERATIONS LLC------
7742-103-00265FORMENTERA OPERATIONS LLC------
7842-103-00264FORMENTERA OPERATIONS LLC------