VON ROSENBERG

Oil · District 03 · Lease #13982

Operator: ATASCA RESOURCES, INC.

Cum Oil

50k BBL

Cum Gas

180k MCF

casinghead

Wells

2

Production

1993-01 — 2003-01

Peak Month

1993-03

Production History

Cum Oil: 49,987 BBL Cum Gas: 180,369 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

912 BBL/mo

Di (annual)

21.1%

b-factor

0.0

EUR

51,810 BBL

R-squared

0.805

type

exponential

Operator History (from monthly production reports)

1993-01 — 2003-06 ATASCA RESOURCES, INC. 126 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ATASCA RESOURCES INC.310,5662006-10-31
2ATASCA RESOURCES INC.110,6291981-05-06