PARKEY -D-

Oil · District 09 · Lease #18542

Operator: WORTHAM OPERATING, LLC

Fields: ARCHER COUNTY REGULAR

Cum Oil

21k BBL

Cum Gas

12 MCF

casinghead

Wells

2

Production

1993-01 — 2025-12

Peak Month

2002-12

Production History

Cum Oil: 21,309 BBL Cum Gas: 12 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

283 BBL/mo

Di (annual)

23.7%

b-factor

0.0

EUR

14,285 BBL

R-squared

0.524

type

exponential

Operator History (from monthly production reports)

2017-07 — 2026-07 ENR OPERATING, LLC 109 mo

2016-03 — 2017-06 COMSTOCK ENERGY, LLC 16 mo

1999-01 — 2016-02 WORTHAM OPERATING, LLC 206 mo

1993-01 — 1998-12 WORTHAM, E. H. 72 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-009-33575	ENR OPERATING LLC	1	4,999	1979-01-11
1	42-009-32392	ENR OPERATING, LLC	1	4,900	1977-09-26