< leases

BLACK, W. O.

Oil · District 7B · Lease #5232

Operator: QUANTUM INVESTMENTS

Fields: TAYLOR COUNTY REGULAR

Cum Oil

11k BBL

Cum Gas

638 MCF

casinghead

Wells

4

Production

1993-01 — 2008-05

Peak Month

2004-12

Production History

Cum Oil: 10,897 BBL Cum Gas: 638 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

80 BBL/mo

Di (annual)

61.9%

b-factor

0.0

EUR

1,524 BBL

R-squared

0.413

type

exponential

Operator History (from monthly production reports)

2009-01 — 2026-07 QUANTUM INVESTMENTS 211 mo
2007-09 — 2008-12 FIREROCK COMPANY 16 mo
2003-12 — 2007-08 GRAY OIL & GAS INC. 45 mo
2003-01 — 2003-11 D.J. & T. ENERGY 11 mo
2002-12 — 2002-12 AUGUSTA OIL & GAS INC 1 mo
2000-04 — 2002-11 AUGUSTA OIL & GAS 32 mo
1996-04 — 2000-03 NORMAN OIL CORPORATION 48 mo
1993-01 — 1996-03 HOVGARD & FITZGERALD 39 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-441-34151QUANTUM INVESTMENTS12,0002006-01-23
442-441-02100QUANTUM INVESTMENTS11,8612004-11-03
1442-441-31292QUANTUM INVESTMENTS11,9901978-05-31
F 742-441-02450QUANTUM INVESTMENTS------