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SEBESTA-ROBERTS UNIT

Oil · District 03 · Lease #22993

Operator: UNION PACIFIC RESOURCES COMPANY

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

30k BBL

Cum Gas

132k MCF

casinghead

Wells

1

Production

1996-03 — 2002-01

Peak Month

1996-05

Production History

Cum Oil: 29,896 BBL Cum Gas: 132,432 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,578 BBL/mo

Di (annual)

148.4%

b-factor

0.3

EUR

29,688 BBL

R-squared

0.884

type

hyperbolic

Operator History (from monthly production reports)

2002-12 — 2003-04 ANADARKO E&P COMPANY LP 5 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1996-06 — 2001-01 UNION PACIFIC RESOURCES COMPANY 56 mo
1996-04 — 1996-05 COLUMBIA GAS DEVELOPMENT CORP. 2 mo
1996-03 — 1996-03 UNION PACIFIC RESOURCES COMPANY 1 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 H42-051-33059UNITED OIL & MINERALS INC.210,0001996-02-21