UNIVERSITY/ENERGEN GRAYBURG UNIT

Oil · District 08 · Lease #37100

Operator: LIBERTAD OPERATING LLC

Cum Oil

919k BBL

Cum Gas

0 MCF

Wells

33

Production

2003-04 — 2026-03

Peak Month

2004-10

Production History

Cum Oil: 918,737 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,949 BBL/mo

Di (annual)

24.6%

b-factor

0.3

EUR

809,236 BBL

R-squared

0.961

type

hyperbolic

Operator History (from monthly production reports)

2023-04 — 2026-07 LIBERTAD OPERATING LLC 40 mo
2023-02 — 2023-03 DIAMONDBACK E&P LLC 2 mo
2023-01 — 2023-01 LIBERTAD OPERATING LLC 1 mo
2019-02 — 2022-12 DIAMONDBACK E&P LLC 47 mo
2003-04 — 2019-01 ENERGEN RESOURCES CORPORATION 190 mo

Wells (33)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
108WLIBERTAD OPERATING LLC15,5002003-07-15
109WLIBERTAD OPERATING LLC15,5002003-07-15
110WLIBERTAD OPERATING LLC15,5002003-07-15
111WLIBERTAD OPERATING LLC15,5002003-07-15
207WLIBERTAD OPERATING LLC15,5002003-07-15
208WLIBERTAD OPERATING LLC15,5002003-07-15
209WLIBERTAD OPERATING LLC15,5002003-07-15
210WLIBERTAD OPERATING LLC15,5002003-07-15
211WLIBERTAD OPERATING LLC15,5002003-07-15
212WLIBERTAD OPERATING LLC15,5002003-07-15
303WLIBERTAD OPERATING LLC15,5002003-07-15
509WLIBERTAD OPERATING LLC15,5002003-07-15
705WLIBERTAD OPERATING LLC15,5002003-07-15
302LIBERTAD OPERATING LLC15,5002000-02-08
206LIBERTAD OPERATING LLC15,5001999-08-30
401LIBERTAD OPERATING LLC25,0001999-04-21
401RLIBERTAD OPERATING LLC25,0001999-04-21
508LIBERTAD OPERATING LLC15,0001999-04-21
104LIBERTAD OPERATING LLC15,0001999-02-18
105LIBERTAD OPERATING LLC15,0001999-02-18
106LIBERTAD OPERATING LLC15,0001999-02-18
204LIBERTAD OPERATING LLC15,0001999-02-18
205LIBERTAD OPERATING LLC15,0001999-02-18
801LIBERTAD OPERATING LLC15,0041998-10-13
101LIBERTAD OPERATING LLC14,9201998-09-23
704LIBERTAD OPERATING LLC15,1001985-11-04
704RLIBERTAD OPERATING LLC15,1001985-11-04
20242-003-02035LIBERTAD OPERATING LLC------
20342-003-11013LIBERTAD OPERATING LLC------
50342-003-03069LIBERTAD OPERATING LLC------
50442-003-03075LIBERTAD OPERATING LLC------
505W42-003-03070LIBERTAD OPERATING LLC------
507W42-003-10234LIBERTAD OPERATING LLC------