MILLAR, L. H.ETAL

Oil · District 08 · Lease #34866

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: WENTZ (CAMBRIAN SE)

Cum Oil

110k BBL

Cum Gas

249k MCF

casinghead

Wells

2

Production

1996-02 — 2026-04

Peak Month

1998-02

Production History

Cum Oil: 110,282 BBL Cum Gas: 249,022 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,860 BBL/mo

Di (annual)

634.8%

b-factor

1.0

EUR

42,223 BBL

R-squared

0.789

type

hyperbolic

Operator History (from monthly production reports)

2007-01 — 2026-07 OLSEN ENERGY INC. 235 mo

2006-03 — 2006-12 KERR-MCGEE OIL & GAS ONSHORE LP 10 mo

2002-03 — 2006-02 WESTPORT OIL AND GAS COMPANY, LP 48 mo

1999-09 — 2002-02 BELCO ENERGY CORP. 30 mo

1996-02 — 1999-08 CHEVRON U. S. A. INC. 43 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
35	42-371-38353	OLSEN ENERGY INC.	2	4,800	2009-04-13
4326	42-371-36559	OLSEN ENERGY INC.	2	5,000	1995-11-01