HARTBURG

Oil · District 03 · Lease #20939

Operator: WRIGHT BROTHERS PETROLEUM, LTD.

Fields: GIST (WALDEN)

Cum Oil

90k BBL

Cum Gas

18 MCF

casinghead

Wells

2

Production

1993-01 — 2022-03

Peak Month

1994-12

Production History

Cum Oil: 89,576 BBL Cum Gas: 18 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

967 BBL/mo

Di (annual)

27.9%

b-factor

0.4

EUR

65,246 BBL

R-squared

0.570

type

hyperbolic

Operator History (from monthly production reports)

2018-01 — 2026-07 DARTEX ENERGY CORPORATION 103 mo

2017-02 — 2017-12 INNOVO RESOURCES GROUP, INC. 11 mo

2016-06 — 2017-01 HARVEST PETROLEUM INC. 8 mo

2016-03 — 2016-05 MSM ENERGY 3 mo

2012-04 — 2016-02 DOMINION OPERATING, LLC 47 mo

2006-03 — 2012-03 GRAWARD OPERATING, INC. 73 mo

2002-06 — 2006-02 BAY ROCK OPERATING COMPANY 45 mo

1996-04 — 2002-05 WRIGHT BROTHERS PETROLEUM, LTD. 74 mo

1994-10 — 1996-03 NOEX, L.L.C. 18 mo

1994-01 — 1994-09 U.S. EXPLORATION LIQ. TRUST 9 mo

1993-01 — 1993-12 U.S. EXPLORATION COMPANY 12 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-351-30515	DARTEX ENERGY CORPORATION	3	7,600	1993-02-17
2	42-351-30519	DARTEX ENERGY CORPORATION	1	6,515	1991-03-06

HARTBURG

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