< leases

NIEBUHR, A. L.

Oil · District 02 · Lease #3422

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: GANADO, WEST (4700 ZONE)

Cum Oil

74k BBL

Cum Gas

46k MCF

casinghead

Wells

4

Production

1993-01 — 2019-08

Peak Month

2004-12

Production History

Cum Oil: 74,052 BBL Cum Gas: 45,772 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

457 BBL/mo

Di (annual)

16.8%

b-factor

0.0

EUR

32,520 BBL

R-squared

0.350

type

exponential

Operator History (from monthly production reports)

2023-07 — 2026-07 ANGEL OPERATING LLC 37 mo
2021-02 — 2023-06 ALLEGIANT RESOURCES, LLC 29 mo
2016-12 — 2021-01 FROSTWOOD ENERGY, LLC 50 mo
2007-06 — 2016-11 PREMIER NATURAL RESOURCES, LLC 114 mo
2005-01 — 2007-05 PRIEST PETROLEUM CORPORATION 29 mo
2001-09 — 2004-12 PENN VIRGINIA OIL & GAS CORP. 40 mo
1998-11 — 2001-08 SYNERGY OIL & GAS, INC. (A) 34 mo
1993-01 — 1998-10 UNION OIL COMPANY OF CALIFORNIA 70 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1042-239-32298UNION EXPL. PARTNERS LTD.76,4162007-12-19
842-239-32052FROSTWOOD ENERGY, LLC66,4001997-08-18
442-239-00564ANGEL OPERATING LLC------
6 D42-239-00566UNION OIL COMPANY OF CALIFORNIA------