ATLANTA HATFIELD

Oil · District 03 · Lease #14599

Operator: STO OPERATING COMPANY

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

42k BBL

Cum Gas

192k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2005-08

Production History

Cum Oil: 42,156 BBL Cum Gas: 191,817 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

404 BBL/mo

Di (annual)

16.7%

b-factor

0.2

EUR

35,592 BBL

R-squared

0.600

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

2004-04 — 2007-05 LEEXUS OIL & GAS L.L.P. 38 mo

1993-01 — 2004-03 COX & PERKINS EXPLORATION, INC. 135 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-30991	LEEXUS OIL LLC	2	9,200	2005-05-10
1 H	42-149-30991	LEEXUS OIL LLC	2	9,200	2005-05-10