UNIVERSITY -J-

Oil · District 08 · Lease #13814

Operator: WINN OPERATING, LLC

Cum Oil

60k BBL

Cum Gas

135k MCF

casinghead

Wells

3

Production

1993-01 — 2021-07

Peak Month

1995-08

Production History

Cum Oil: 59,663 BBL Cum Gas: 135,396 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

702 BBL/mo

Di (annual)

15.6%

b-factor

0.0

EUR

53,926 BBL

R-squared

0.850

type

exponential

Operator History (from monthly production reports)

2022-06 — 2026-07 WINN OPERATING, LLC 50 mo
2018-03 — 2022-05 MAMMOTH EXPLORATION LLC 51 mo
2010-09 — 2018-02 SABER OIL & GAS VENTURES, LLC 90 mo
1993-01 — 2010-08 CITATION OIL & GAS CORP. 212 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CITATION OIL & GAS CORP.110,7082002-10-09
4WINN OPERATING LLC211,3001981-09-15
142-003-05248WINN OPERATING LLC------