COWDEN, ELLIOTT F.-D-

Oil · District 08 · Lease #183

Operator: UNIVERSAL RESOURCES CORP.

Fields: ADDIS (STRAWN)

Cum Oil

263k BBL

Cum Gas

604k MCF

casinghead

Wells

3

Production

1993-01 — 2026-02

Peak Month

1997-07

Production History

Cum Oil: 263,431 BBL Cum Gas: 603,615 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,815 BBL/mo

Di (annual)

9.2%

b-factor

0.2

EUR

272,926 BBL

R-squared

0.875

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 AGHORN OPERATING, INC. 9 mo

2025-10 — 2025-10 DE V OPERATING, LLC 1 mo

2022-01 — 2025-09 CONTANGO RESOURCES, LLC 45 mo

2021-12 — 2021-12 CONTANGO RESOURCES, INC. 1 mo

2020-04 — 2021-11 FDL OPERATING, LLC 20 mo

2013-02 — 2020-03 SHERIDAN PRODUCTION COMPANY, LLC 86 mo

2010-01 — 2013-01 SANDRIDGE EXPL. AND PROD., LLC 37 mo

2004-05 — 2009-12 FOREST OIL PERMIAN CORPORATION 68 mo

1999-11 — 2004-04 MAYNARD OIL CO. 54 mo

1999-04 — 1999-10 QUESTAR EXPL. AND PROD. CO. 7 mo

1996-10 — 1999-03 UNIVERSAL RESOURCES CORP. 30 mo

1994-07 — 1996-09 DALLAS PRODUCTION, INC. 27 mo

1993-01 — 1994-06 AMOCO PRODUCTION COMPANY 18 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
8	42-135-35955	AGHORN OPERATING, INC.	3	13,600	1992-04-16
7	42-135-32116	AGHORN OPERATING, INC.	1	9,501	1989-11-21
4	42-135-31959	AGHORN OPERATING, INC.	1	9,400	1980-07-10

COWDEN, ELLIOTT F.-D-

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 (3)

Production History