VACLAVIK UNIT

Oil · District 03 · Lease #22771

Operator: UNION PACIFIC AUSTIN CHALK CO.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

33k BBL

Cum Gas

201k MCF

casinghead

Wells

1

Production

1995-07 — 2026-04

Peak Month

1995-11

Production History

Cum Oil: 33,129 BBL Cum Gas: 200,973 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

698 BBL/mo

Di (annual)

102.4%

b-factor

0.9

EUR

28,510 BBL

R-squared

0.617

type

hyperbolic

Operator History (from monthly production reports)

2025-06 — 2026-07 REDBUD E & P, INC. 14 mo

2019-12 — 2025-05 INEOS USA OIL & GAS LLC 66 mo

2017-09 — 2019-11 CRAWFORD HUGHES OPERATING CO. 27 mo

2007-08 — 2017-08 ENERVEST OPERATING, L.L.C. 121 mo

2006-03 — 2007-07 ANADARKO E&P COMPANY LP 17 mo

2002-12 — 2006-02 ANADARKO AUSTIN CHALK COMPANY 39 mo

2001-02 — 2002-11 RME AUSTIN CHALK COMPANY 22 mo

1995-07 — 2001-01 UNION PACIFIC AUSTIN CHALK CO. 67 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-32978	REDBUD E & P, INC.	1	11,000	1995-06-08