FOX, W. J. -A-

Oil · District 02 · Lease #3458

Operator: PENNZOIL EXPLORATION & PROD. CO.

Cum Oil

36k BBL

Cum Gas

3k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 35,525 BBL Cum Gas: 3,104 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,499 BBL/mo

Di (annual)

242.2%

b-factor

0.0

EUR

7,447 BBL

R-squared

0.738

type

exponential

Operator History (from monthly production reports)

2002-08 — 2026-07 HILCORP ENERGY COMPANY 288 mo
2000-04 — 2002-07 DEVON ENERGY PRODUCTION CO, L.P. 28 mo
1999-03 — 2000-03 PENNZENERGY EXP. & PROD., L.L.C. 13 mo
1993-01 — 1999-02 PENNZOIL EXPLORATION & PROD. CO. 74 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26HILCORP ENERGY COMPANY37,1902019-06-03
50HILCORP ENERGY COMPANY38,5002018-12-31
51HILCORP ENERGY COMPANY16,5002017-11-09
42HILCORP ENERGY COMPANY77,5142016-02-08
16HILCORP ENERGY COMPANY45,9342015-10-14
1842-391-01282HILCORP ENERGY COMPANY------