DURHAM "A-1"

Oil · District 09 · Lease #28073

Operator: FELDERHOFF PRODUCTION COMPANY

Cum Oil

234 BBL

Cum Gas

29k MCF

casinghead

Wells

1

Production

1993-01 — 1994-02

Peak Month

1993-10

Production History

Cum Oil: 234 BBL Cum Gas: 28,575 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23 BBL/mo

Di (annual)

88.6%

b-factor

0.0

EUR

295 BBL

R-squared

0.386

type

exponential

Operator History (from monthly production reports)

1993-01 — 1995-02 FELDERHOFF PRODUCTION COMPANY 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4FELDERHOFF PRODUCTION COMPANY16,0001991-04-12