FISCHER, NELLIE I. UNIT

Oil · District 04 · Lease #12239

Operator: SILVER FOX OIL & GAS LLC

Cum Oil

12k BBL

Cum Gas

155k MCF

casinghead

Wells

1

Production

1993-08 — 1997-03

Peak Month

1994-07

Production History

Cum Oil: 11,820 BBL Cum Gas: 154,806 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

852 BBL/mo

Di (annual)

91.9%

b-factor

0.0

EUR

11,125 BBL

R-squared

0.957

type

exponential

Operator History (from monthly production reports)

2021-12 — 2026-07 HARRIS ENERGY SERVICES, LLC 56 mo
2019-12 — 2021-11 SILVER FOX OIL & GAS LLC 24 mo
2018-01 — 2019-11 SAWMILL RESOURCES, LLC 23 mo
2013-05 — 2017-12 PANTERA ENERGY COMPANY 56 mo
1998-08 — 2013-04 PEARL, BILL H. PRODUCTIONS, INC. 177 mo
1993-08 — 1998-07 MO-JON, INC. 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HARRIS ENERGY SERVICES LLC27,0001993-08-16