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Oil · District 08 · Lease #30337

Operator: SWJN OIL COMPANY

Fields: WESTBROOK, EAST (CLEAR FORK)

Cum Oil

53k BBL

Cum Gas

41 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2010-01

Production History

Cum Oil: 52,971 BBL Cum Gas: 41 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

156 BBL/mo

Di (annual)

20.0%

b-factor

0.3

EUR

12,859 BBL

R-squared

0.712

type

hyperbolic

Operator History (from monthly production reports)

2025-12 — 2026-07 ROYAL ORYX OG LLC 8 mo

2013-07 — 2025-11 SWJN OIL COMPANY 149 mo

2012-03 — 2013-06 MARTINEAU PETROLEUM, INC. 16 mo

2008-02 — 2012-02 NRPC OPERATING, LLC 49 mo

2006-07 — 2008-01 MIDLAND OPERATING, INC. 19 mo

2003-09 — 2006-06 BEASLEY, KENNETH 34 mo

1993-01 — 2003-08 MORRISON DRLG. & PROD. CO., INC. 128 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-335-33312	ROYAL ORYX OG LLC	1	3,600	1987-03-12
1	42-335-33027	ROYAL ORYX OG LLC	1	3,600	1985-09-04