PARKER, J.E. ESTATE

Oil · District 08 · Lease #34656

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Fields: MARTIN (TUBB)

Cum Oil

72k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

1995-10 — 2010-05

Peak Month

1995-10

Production History

Cum Oil: 71,903 BBL Cum Gas: 1,220,436 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,669 BBL/mo

Di (annual)

42.1%

b-factor

0.5

EUR

86,868 BBL

R-squared

0.921

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

1995-10 — 1999-03 ORYX ENERGY COMPANY 42 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-003-35953	UNITEX OIL & GAS, L.L.C.	3	8,000	1995-08-14
2	42-003-36065	UNITEX OIL & GAS, L.L.C.	3	7,500	1995-08-14