WOLF HEIRS

Oil · District 06 · Lease #13876

Operator: TSAR ENERGY, LLC

Fields: RAWLINS (WILCOX)

Cum Oil

4k BBL

Cum Gas

0 MCF

Wells

1

Production

1998-09 — 2001-08

Peak Month

1999-04

Production History

Cum Oil: 4,130 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

321 BBL/mo

Di (annual)

144.5%

b-factor

0.0

EUR

2,665 BBL

R-squared

0.603

type

exponential

Operator History (from monthly production reports)

2021-12 — 2026-07 TSAR ENERGY, LLC 56 mo

2017-11 — 2021-11 LA ROCA ENERGY, LP 49 mo

2003-05 — 2017-10 RAWLINS OPERATING COMPANY, LLC 174 mo

1998-09 — 2003-04 HANSEN OIL CORPORATION 56 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-001-32287	TSAR ENERGY LLC	2	2,225	2002-08-12