J. R. OLIVER UNIT

Oil · District 05 · Lease #3590

Operator: HUGHES OIL OPERATING, LLC

Fields: VAN (JAMES)

Cum Oil

169k BBL

Cum Gas

150k MCF

casinghead

Wells

1

Production

1997-12 — 2026-04

Peak Month

1998-05

Production History

Cum Oil: 168,540 BBL Cum Gas: 150,125 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,560 BBL/mo

Di (annual)

299.4%

b-factor

0.9

EUR

60,077 BBL

R-squared

0.395

type

hyperbolic

Operator History (from monthly production reports)

2026-05 — 2026-07 HUGHES OIL OPERATING, LLC 3 mo
2008-09 — 2026-04 CRAWFORD HUGHES OPERATING CO. 212 mo
2002-01 — 2008-08 CRAWFORD ENERGY OPERATING CO 80 mo
1997-12 — 2001-12 CRAWFORD ENERGY, INCORPORATED 49 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CRAWFORD HUGHES OPERATING CO.15,7001997-10-27