ULLRICH

Oil · District 03 · Lease #17318

Operator: UNION PACIFIC AUSTIN CHALK CO.

Cum Oil

1k BBL

Cum Gas

14k MCF

casinghead

Wells

1

Production

1993-01 — 1996-04

Peak Month

1993-04

Production History

Cum Oil: 1,312 BBL Cum Gas: 13,879 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

100 BBL/mo

Di (annual)

118.2%

b-factor

0.0

EUR

1,004 BBL

R-squared

0.342

type

exponential

Operator History (from monthly production reports)

1995-05 — 1997-01 UNION PACIFIC AUSTIN CHALK CO. 21 mo
1993-08 — 1995-04 GEMINI EXPLORATION COMPANY 21 mo
1993-01 — 1993-07 REDWOOD ENERGY, INC. 7 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC AUSTIN CHALK CO.111,3001983-10-26