DRUESEDOW "C"

Oil · District 7B · Lease #19117

Operator: VANGUARD PRODUCTION COMPANY

Cum Oil

43k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1997-03

Production History

Cum Oil: 43,408 BBL Cum Gas: 27,907 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

171 BBL/mo

Di (annual)

5.9%

b-factor

0.0

EUR

32,741 BBL

R-squared

0.493

type

exponential

Operator History (from monthly production reports)

2025-07 — 2026-07 BUSTAMANTE RESOURCES LLC 13 mo
2019-09 — 2025-06 ROBERTSON RESOURCES, INC. 70 mo
2008-03 — 2019-08 PED OIL CORPORATION 138 mo
2007-06 — 2008-02 MAXWELL OPERATING, INC. 9 mo
1993-01 — 2007-05 VANGUARD PRODUCTION COMPANY 173 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BUSTAMANTE RESOURCES LLC16,5001982-06-04