MAURITZ UNIT

Oil · District 02 · Lease #5283

Operator: VIPER S.W.D., LLC

Fields: CARACAHUA CREEK (TM A LO FB-E)

Cum Oil

2k BBL

Cum Gas

21k MCF

casinghead

Wells

1

Production

1993-01 — 2001-03

Peak Month

1993-08

Production History

Cum Oil: 1,998 BBL Cum Gas: 21,424 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

127 BBL/mo

Di (annual)

355.5%

b-factor

0.5

EUR

788 BBL

R-squared

0.657

type

hyperbolic

Operator History (from monthly production reports)

2006-08 — 2008-03 VIPER S.W.D., LLC 20 mo

2004-11 — 2006-07 VIPER S.W.D. LLC 21 mo

1999-10 — 2004-10 N R G RESERVES, INC. 61 mo

1997-08 — 1999-09 KASEY G. OIL & GAS 26 mo

1995-05 — 1997-07 TIDEWATER RESOURCES, INC. 27 mo

1994-04 — 1995-04 GARY OIL & GAS 13 mo

1993-01 — 1994-03 SANDSTONE RESOURCES, INC. 15 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-239-31532	N R G RESERVES, INC.	2	9,800	1990-03-15