WRIGHT, DELA S. "F"

Oil · District 8A · Lease #62266

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: LEVELLAND

Cum Oil

92k BBL

Cum Gas

34k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1998-06

Production History

Cum Oil: 92,319 BBL Cum Gas: 34,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

719 BBL/mo

Di (annual)

11.0%

b-factor

0.0

EUR

78,001 BBL

R-squared

0.788

type

exponential

Operator History (from monthly production reports)

2025-10 — 2026-07 EXTEX OPERATING COMPANY 10 mo

2022-01 — 2025-09 NEW HORIZON RESOURCES LLC 45 mo

2020-05 — 2021-12 EXTEX OPERATING COMPANY 20 mo

2019-09 — 2020-04 GRIZZLY OP OF DELAWARE, LLC 8 mo

2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 mo

2012-04 — 2015-04 VANGUARD PERMIAN, LLC 37 mo

2009-09 — 2012-03 ENCORE ENERGY PARTNERS OPER LLC 31 mo

2005-12 — 2009-08 ENCORE OPERATING, L.P. 45 mo

2002-03 — 2005-11 WESTPORT OIL AND GAS COMPANY, LP 45 mo

1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo

1995-01 — 1998-08 CODA ENERGY, INC. 44 mo

1993-01 — 1994-12 MOBIL PRODUCING TX. & N.M. INC. 24 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-079-31018	EXTEX OPERATING COMPANY	1	5,200	1978-12-04
1	42-079-30913	EXTEX OPERATING COMPANY	1	5,200	1978-05-23

WRIGHT, DELA S. "F"

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (2)

Production History