ORCHARD OIL UNIT #11 O/A

Oil · District 03 · Lease #11487

Operator: LINDENMUTH & ASSOCIATES, INC.

Fields: ALGOA ORCHARD (8900)

Cum Oil

28k BBL

Cum Gas

23 MCF

casinghead

Wells

2

Production

1993-01 — 2000-04

Peak Month

1998-09

Production History

Cum Oil: 27,590 BBL Cum Gas: 23 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,036 BBL/mo

Di (annual)

170.5%

b-factor

0.1

EUR

15,926 BBL

R-squared

0.691

type

hyperbolic

Operator History (from monthly production reports)

2005-06 — 2023-03 DOGGY OIL CORP 214 mo

2002-09 — 2005-05 CHAPARRAL ENERGY, L.L.C. 33 mo

1996-05 — 2002-08 CHAIN OIL & GAS, INC. 76 mo

1994-12 — 1996-04 INDIAN EXPLORATION, INC. 17 mo

1993-01 — 1994-11 LINDENMUTH & ASSOCIATES, INC. 23 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-167-31312	DOGGY OIL CORP	1	9,700	1998-06-10
1	42-167-30362	DOGGY OIL CORP	--	--	--