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Oil · District 09 · Lease #19838

Operator: SIROCO OPERATING CO., INC.

Cum Oil

31k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1994-08

Production History

Cum Oil: 31,221 BBL Cum Gas: 6,900 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

130 BBL/mo

Di (annual)

27.0%

b-factor

0.0

EUR

5,740 BBL

R-squared

0.477

type

exponential

Operator History (from monthly production reports)

2008-01 — 2026-07 BROWN, DARRYL OPERATING L.L.C. 223 mo
2002-09 — 2007-12 BB & D EXPLORATION, INC. 64 mo
2002-07 — 2002-08 SIROCO OPERATING CO., INC. 2 mo
1995-04 — 2002-06 NITSCHKE, DAN E. 87 mo
1993-01 — 1995-03 DALLAS PRODUCTION, INC. 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BROWN, DARRYL OPERATING L.L.C.15,0701979-12-17