< leases

FOSSIL WILDMAN-HILLTOP

Oil · District 05 · Lease #3437

Operator: UNITED OIL & MINERALS, INC.

Fields: HILLTOP RESORT (AUSTIN CHALK)

Cum Oil

107k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1993-01 — 2010-09

Peak Month

1993-01

Production History

Cum Oil: 106,573 BBL Cum Gas: 1,222 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,269 BBL/mo

Di (annual)

184.8%

b-factor

0.7

EUR

40,960 BBL

R-squared

0.392

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2015-06 FOSSIL OPERATING, INC. 21 mo
2009-10 — 2013-09 GASTAR EXPLORATION TEXAS, LP 48 mo
2004-04 — 2009-09 PALISADES OPERATING COMPANY 66 mo
2003-03 — 2004-03 CAMBRIAN MANAGEMENT LTD 13 mo
1999-02 — 2003-02 STRATCO OPERATING CO., INC. 49 mo
1993-01 — 1999-01 UNITED OIL & MINERALS, INC. 73 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-289-31173FOSSIL OPERATING INC.16,5001992-11-13