NIEMEYER OIL UNIT

Oil · District 03 · Lease #21805

Operator: TANA OIL AND GAS CORPORATION

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

303k BBL

Cum Gas

3.1M MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 302,706 BBL Cum Gas: 3,095,212 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,227 BBL/mo

Di (annual)

89.7%

b-factor

0.5

EUR

185,134 BBL

R-squared

0.693

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

2008-09 — 2017-08 ENERVEST OPERATING, L.L.C. 108 mo

1999-09 — 2008-08 EMERALD OPERATING COMPANY, INC. 108 mo

1995-11 — 1999-08 ROSEWOOD RESOURCES, INC. 46 mo

1993-01 — 1995-10 TANA OIL AND GAS CORPORATION 34 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-32562	REDBUD E & P, INC.	1	14,000	1991-12-23