ANSELL

Oil · District 03 · Lease #23183

Operator: TANGLEWOOD OIL & GAS CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

59k BBL

Cum Gas

155k MCF

casinghead

Wells

1

Production

1996-03 — 2026-04

Peak Month

2006-11

Production History

Cum Oil: 58,541 BBL Cum Gas: 154,625 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

923 BBL/mo

Di (annual)

201.8%

b-factor

1.0

EUR

25,395 BBL

R-squared

0.696

type

hyperbolic

Operator History (from monthly production reports)

2018-05 — 2026-07 LEEXUS OIL LLC 99 mo

2016-12 — 2018-04 CREATIVE OIL & GAS OPERATING,LLC 17 mo

2010-02 — 2016-11 IMPETRO OPERATING LLC 82 mo

2007-09 — 2010-01 STO OPERATING COMPANY 29 mo

2007-06 — 2007-08 LEEXUS OPERATING COMPANY 3 mo

2002-08 — 2007-05 LEEXUS OIL & GAS L.L.P. 58 mo

2000-11 — 2002-07 MERIDIAN KEY, LLC. 21 mo

2000-01 — 2000-10 TANGLEWOOD OIL & GAS CO. 10 mo

1998-06 — 1999-12 AUSTIN CHALK OPERATING COMPANY 19 mo

1996-03 — 1998-05 EDCO ENERGY, INC. 27 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1H	42-149-30545	LEEXUS OIL LLC	6	12,000	2006-08-04