HART

Oil · District 08 · Lease #33676

Operator: WHITING OIL AND GAS CORPORATION

Fields: VALENTINE (GLORIETA)

Cum Oil

46k BBL

Cum Gas

551k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1995-03

Production History

Cum Oil: 46,119 BBL Cum Gas: 550,978 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

669 BBL/mo

Di (annual)

21.0%

b-factor

0.1

EUR

42,431 BBL

R-squared

0.737

type

hyperbolic

Operator History (from monthly production reports)

2018-05 — 2026-07 SOIL ENERGY, INC. 99 mo

2011-06 — 2018-04 HYBRID OPERATING, INCORPORATED 83 mo

2006-07 — 2011-05 ENDEAVOR ENERGY RESOURCES L.P. 59 mo

2005-10 — 2006-06 WHITING OIL AND GAS CORPORATION 9 mo

2004-11 — 2005-09 CELERO ENERGY, L.P. 11 mo

2003-01 — 2004-10 BC OPERATING, INC. 22 mo

1997-01 — 2002-12 FAGADAU ENERGY CORPORATION 72 mo

1994-05 — 1996-12 ODESSA EXPLORATION, INC. 32 mo

1993-01 — 1994-04 COSTA RESOURCES, INC. 16 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-371-36399	SOIL ENERGY, INC.	2	5,400	1995-11-10
1	42-371-36377	SOIL ENERGY, INC.	1	4,400	1992-09-30
2	42-371-36376	SOIL ENERGY, INC.	1	4,400	1992-09-30