RING UNIVERSITY

Oil · District 08 · Lease #13698

Operator: TAURUS EXPLORATION U.S.A., INC.

Cum Oil

194k BBL

Cum Gas

18 MCF

casinghead

Wells

5

Production

1993-01 — 2003-06

Peak Month

1999-07

Production History

Cum Oil: 193,517 BBL Cum Gas: 18 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,116 BBL/mo

Di (annual)

11.5%

b-factor

0.0

EUR

428,691 BBL

R-squared

0.357

type

exponential

Operator History (from monthly production reports)

1998-12 — 2003-09 ENERGEN RESOURCES CORPORATION 58 mo
1998-03 — 1998-11 TAURUS EXPLORATION U.S.A., INC. 9 mo
1997-10 — 1998-02 BC OPERATING, INC. 5 mo
1993-01 — 1997-09 HELMERICH & PAYNE, INC. 57 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6LIBERTAD OPERATING LLC15,5001999-08-30
4LIBERTAD OPERATING LLC15,0001999-02-18
5LIBERTAD OPERATING LLC15,0001999-02-18
242-003-02035LIBERTAD OPERATING LLC------
342-003-11013LIBERTAD OPERATING LLC------