HAVEMANN UNIT

Oil · District 03 · Lease #21921

Operator: UNION PACIFIC RESOURCES COMPANY

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

119k BBL

Cum Gas

505k MCF

casinghead

Wells

2

Production

1993-02 — 2024-01

Peak Month

1993-02

Production History

Cum Oil: 118,946 BBL Cum Gas: 504,591 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,871 BBL/mo

Di (annual)

325.3%

b-factor

0.8

EUR

128,468 BBL

R-squared

0.560

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

1993-02 — 2001-01 UNION PACIFIC RESOURCES COMPANY 96 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-32710	REDBUD E & P INC.	2	13,800	1997-02-11
1RE	42-149-32710	REDBUD E & P INC.	2	13,800	1997-02-11