ATLANTIC-CASTILLO FEE

Oil · District 03 · Lease #21447

Operator: TEXCAL OIL INC.

Fields: BESSMAY (WILCOX 6TH)

Cum Oil

115k BBL

Cum Gas

782k MCF

casinghead

Wells

1

Production

1993-01 — 2002-11

Peak Month

1993-04

Production History

Cum Oil: 114,886 BBL Cum Gas: 782,263 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,414 BBL/mo

Di (annual)

111.9%

b-factor

0.3

EUR

67,484 BBL

R-squared

0.906

type

hyperbolic

Operator History (from monthly production reports)

2006-11 — 2009-09 JAMEX, INC. 35 mo

2002-07 — 2006-10 DOMINION EXPL. & PROD., INC. 52 mo

2001-07 — 2002-06 EL PASO PRODUCTION OIL & GAS CO. 12 mo

2000-06 — 2001-06 COASTAL OIL & GAS CORPORATION 13 mo

1994-07 — 2000-05 MCGOWEN RESOURCES CO., INC. 71 mo

1993-01 — 1994-06 TEXCAL OIL INC. 18 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-241-30049	TEXCAL OIL INC.	1	10,900	1992-04-02