< leases

FOSSIL HILLTOP RESORT

Oil · District 05 · Lease #2089

Operator: W-S-M OIL COMPANY

Fields: HILLTOP RESORT (WOODBINE)

Cum Oil

76k BBL

Cum Gas

33 MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2006-08

Production History

Cum Oil: 75,737 BBL Cum Gas: 33 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,383 BBL/mo

Di (annual)

68.8%

b-factor

0.7

EUR

60,214 BBL

R-squared

0.585

type

hyperbolic

Operator History (from monthly production reports)

2020-09 — 2026-07 CONTRAST ENERGY, LLC 71 mo
2016-10 — 2020-08 RIVERSHORE OPERATING LLC 47 mo
2013-10 — 2016-09 FOSSIL OPERATING, INC. 36 mo
2012-04 — 2013-09 GASTAR EXPLORATION TEXAS, LP 18 mo
2008-05 — 2012-03 SAFE ENDEAVORS, INC. 47 mo
1997-01 — 2008-04 W-S-M OIL COMPANY 136 mo
1996-09 — 1996-12 EXZENA OIL CORP. 4 mo
1996-05 — 1996-08 W-S-M OIL COMPANY 4 mo
1993-01 — 1996-04 TDT PRODUCTION, INC. 40 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-289-30302CONTRAST ENERGY, LLC212,0001992-09-09
242-289-30344CONTRAST ENERGY, LLC28,0001986-08-04
342-289-30420CONTRAST ENERGY, LLC37,5001986-03-03