< leases

ARCO FEE UNIT #4

Oil · District 06 · Lease #13479

Operator: TANA OIL AND GAS CORPORATION

Fields: BROOKELAND (AUSTIN CHALK, 8800)

Cum Oil

132k BBL

Cum Gas

610k MCF

casinghead

Wells

2

Production

1995-05 — 2012-09

Peak Month

1995-07

Production History

Cum Oil: 131,692 BBL Cum Gas: 609,866 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,341 BBL/mo

Di (annual)

22.0%

b-factor

0.0

EUR

73,080 BBL

R-squared

0.309

type

exponential

Operator History (from monthly production reports)

2010-03 — 2026-07 RADIUS OPERATING, LLC 197 mo
2007-05 — 2010-02 KT OPERATING COMPANY LLC 34 mo
2006-01 — 2007-04 RIDGELAND OPERATING COMPANY, LLC 16 mo
1999-04 — 2005-12 BASA RESOURCES, INC. 81 mo
1995-05 — 1999-03 TANA OIL AND GAS CORPORATION 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-405-30164RADIUS OPERATING LLC614,4602007-08-01
4ST42-405-30164RADIUS OPERATING LLC614,4602007-08-01