PARKER, J.E. EST -A-

Oil · District 08 · Lease #34392

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Fields: MARTIN (TUBB)

Cum Oil

73k BBL

Cum Gas

1.5M MCF

casinghead

Wells

2

Production

1995-01 — 2010-05

Peak Month

1995-10

Production History

Cum Oil: 73,448 BBL Cum Gas: 1,491,848 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,290 BBL/mo

Di (annual)

47.2%

b-factor

0.8

EUR

86,376 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

2007-12 — 2011-03 SHERIDAN PRODUCTION COMPANY, LLC 40 mo

2002-12 — 2007-11 AETHON I LP 60 mo

1999-10 — 2002-11 KERR-MCGEE OIL & GAS ONSHORE LLC 38 mo

1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo

1995-01 — 1999-03 ORYX ENERGY COMPANY 51 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-003-36264	UNITEX OIL & GAS, L.L.C.	5	7,500	2009-08-25
1	42-003-36211	UNITEX OIL & GAS, L.L.C.	4	7,500	1995-08-04