< leases

MCDERMOND, F.

Oil · District 03 · Lease #12200

Operator: SAMSON LONE STAR LP

Fields: NOME SE. (FRIO, UP)

Cum Oil

636k BBL

Cum Gas

151k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1996-02

Production History

Cum Oil: 636,442 BBL Cum Gas: 151,166 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,919 BBL/mo

Di (annual)

5.0%

b-factor

0.0

EUR

647,774 BBL

R-squared

0.690

type

exponential

Operator History (from monthly production reports)

2016-09 — 2026-07 HILCORP ENERGY COMPANY 119 mo
2012-02 — 2016-08 SAMSON EXPLORATION, LLC 55 mo
2007-07 — 2012-01 SAMSON LONE STAR, LLC 55 mo
2005-01 — 2007-06 SAMSON LONE STAR LP 30 mo
1993-01 — 2004-12 ANADARKO PETROLEUM CORPORATION 144 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-245-31305HILCORP ENERGY COMPANY18,6001979-04-25
242-245-31287HILCORP ENERGY COMPANY18,3501979-01-08