COLVIN "A"

Oil · District 7B · Lease #22367

Operator: WOOLDRIDGE OIL & GAS

Fields: SUGGS (ELLENBURGER)

Cum Oil

18k BBL

Cum Gas

14k MCF

casinghead

Wells

1

Production

1993-01 — 2014-06

Peak Month

1993-03

Production History

Cum Oil: 18,323 BBL Cum Gas: 13,519 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

226 BBL/mo

Di (annual)

79.4%

b-factor

0.6

EUR

7,539 BBL

R-squared

0.523

type

hyperbolic

Operator History (from monthly production reports)

2018-04 — 2026-07 GOODROCK NATURAL RESOURCES, LLC 100 mo

2006-03 — 2018-03 ROBERTSON RESOURCES, INC. 145 mo

2005-10 — 2006-02 REGENT OIL & GAS COMPANY, L.P. 5 mo

2000-02 — 2005-09 WOOLDRIDGE OIL & GAS 68 mo

1999-12 — 2000-01 BP PROD. CORP. 2 mo

1999-09 — 1999-11 FREDONIA RESOURCES INC. 3 mo

1997-06 — 1999-08 BRECK OPERATING CORP. 27 mo

1996-08 — 1997-05 SAMSON LONE STAR LP 10 mo

1995-04 — 1996-07 SAMSON HYDROCARBONS COMPANY 16 mo

1994-11 — 1995-03 SAMSON RESOURCES COMPANY 5 mo

1993-01 — 1994-10 ORYX ENERGY COMPANY 22 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-081-31320	GOODROCK NATURAL RESOURCES LLC	1	6,850	1985-02-20

COLVIN "A"

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 (1)

Production History