REYNOLDS

Oil · District 03 · Lease #21159

Operator: TOPAZ OIL COMPANY

Cum Oil

250k BBL

Cum Gas

31k MCF

casinghead

Wells

5

Production

1993-01 — 2026-02

Peak Month

2004-06

Production History

Cum Oil: 250,149 BBL Cum Gas: 30,637 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,192 BBL/mo

Di (annual)

28.8%

b-factor

0.2

EUR

113,632 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2025-12 — 2026-07 HD OPERATING CO, LLC 8 mo
2024-04 — 2025-11 84 ENERGY LLC 20 mo
2008-01 — 2024-03 BASA RESOURCES, INC. 195 mo
1998-09 — 2007-12 RANGE PRODUCTION COMPANY 112 mo
1995-03 — 1998-08 LOMAK PRODUCTION COMPANY 42 mo
1994-05 — 1995-02 GOLDKING PROD. CO. 10 mo
1993-01 — 1994-04 TOPAZ OIL COMPANY 16 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HD OPERATING CO LLC12,5002011-01-03
4HD OPERATING CO LLC12,1002003-09-19
2HD OPERATING CO LLC12,2002002-09-12
3HD OPERATING CO LLC12,2002002-09-12
1TOPAZ OIL COMPANY22,2001989-04-20