HRBACEK-HRBACEK UNIT

Oil · District 03 · Lease #21743

Operator: UNION PACIFIC RESOURCES COMPANY

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

150k BBL

Cum Gas

643k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1997-04

Production History

Cum Oil: 150,126 BBL Cum Gas: 643,472 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,696 BBL/mo

Di (annual)

172.7%

b-factor

0.8

EUR

61,318 BBL

R-squared

0.401

type

hyperbolic

Operator History (from monthly production reports)

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

2019-08 — 2025-05 INEOS USA OIL & GAS LLC 70 mo

2017-09 — 2019-07 CRAWFORD HUGHES OPERATING CO. 23 mo

2007-09 — 2017-08 ENERVEST OPERATING, L.L.C. 120 mo

2002-12 — 2007-08 ANADARKO E&P COMPANY LP 57 mo

2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo

1993-01 — 2001-01 UNION PACIFIC RESOURCES COMPANY 97 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-32586	REDBUD E & P, INC.	2	13,200	1992-02-21