UNIVERSITY -35-

Oil · District 08 · Lease #27077

Operator: SLANT OPERATING, LLC

Cum Oil

16k BBL

Cum Gas

897k MCF

casinghead

Wells

4

Production

1993-01 — 2005-10

Peak Month

1993-12

Production History

Cum Oil: 16,314 BBL Cum Gas: 897,026 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

146 BBL/mo

Di (annual)

17.2%

b-factor

0.0

EUR

10,109 BBL

R-squared

0.349

type

exponential

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2021-07 — 2023-10 SLANT OPERATING, LLC 28 mo
2010-12 — 2021-06 APACHE CORPORATION 127 mo
2002-01 — 2010-11 BP AMERICA PRODUCTION COMPANY 107 mo
1994-06 — 2001-12 ARCO PERMIAN 91 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FORMENTERA OPERATIONS LLC59,3502023-09-18
3FORMENTERA OPERATIONS LLC19,2001984-08-22
4FORMENTERA OPERATIONS LLC19,2801984-07-17
2FORMENTERA OPERATIONS LLC19,0801982-05-18