TOMAHAWK HUMBLE C

Oil · District 06 · Lease #12589

Operator: TOMAHAWK PETROLEUM

Fields: CONCORD DOME

Cum Oil

16 BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2006-09

Peak Month

2001-03

Production History

Cum Oil: 16 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6 BBL/mo

Di (annual)

51.8%

b-factor

1.5

EUR

399 BBL

R-squared

1.000

type

hyperbolic

Operator History (from monthly production reports)

2004-09 — 2026-07 SHWJ OIL & GAS CO., INC. 263 mo

2001-03 — 2004-08 SHWJ OIL & GAS COMPANY 42 mo

1999-12 — 2001-02 ENERGY 2000, INC. 15 mo

1998-08 — 1999-11 BROTHERS OIL & EQUIPMENT, INC. 16 mo

1994-10 — 1998-07 TOMAHAWK PETROLEUM 46 mo

1994-07 — 1994-09 BRAZOS PETROLEUM, INC. 3 mo

1993-01 — 1994-06 CONCORD OPERATING INCORPORATED 18 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-001-00560	SHWJ OIL & GAS CO. INC.	1	4,850	1990-12-13
1	42-001-00564	SHWJ OIL & GAS CO. INC.	1	5,000	1989-05-09