JONES, F. E.

Oil · District 02 · Lease #2941

Operator: VIPER S.W.D., LLC

Fields: UNA WEST (6500)

Cum Oil

34k BBL

Cum Gas

30k MCF

casinghead

Wells

4

Production

1993-01 — 2012-03

Peak Month

1998-06

Production History

Cum Oil: 33,779 BBL Cum Gas: 30,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

488 BBL/mo

Di (annual)

24.0%

b-factor

0.0

EUR

24,337 BBL

R-squared

0.585

type

exponential

Operator History (from monthly production reports)

2010-12 — 2026-07 OSYKA PERMIAN, LLC 188 mo

2006-08 — 2010-11 VIPER S.W.D., LLC 52 mo

2002-02 — 2006-07 VIPER S.W.D. LLC 54 mo

1999-03 — 2002-01 BILLINGTON OIL & GAS, INC. 35 mo

1998-06 — 1999-02 AURORA RESOURCES CORPORATION 9 mo

1993-01 — 1998-05 SUE-ANN PRODUCTION COMPANY 65 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3 U	42-469-00697	E&EF LLC	1	7,117	1996-12-05
4 U	42-469-00698	OSYKA PERMIAN, LLC	1	7,065	1978-03-03
1 U	42-469-00695	OSYKA PERMIAN LLC	--	--	--
2 U	42-469-00696	E&EF LLC	--	--	--