CRAZY HORSE UNIT

Oil · District 03 · Lease #23386

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

294k BBL

Cum Gas

1.1M MCF

casinghead

Wells

2

Production

1997-11 — 2026-04

Peak Month

1997-12

Production History

Cum Oil: 294,371 BBL Cum Gas: 1,060,319 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,191 BBL/mo

Di (annual)

70.1%

b-factor

0.4

EUR

341,920 BBL

R-squared

0.581

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2007-08 — 2018-07 ENERVEST OPERATING, L.L.C. 132 mo
2002-12 — 2007-07 ANADARKO E&P COMPANY LP 56 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1997-11 — 2001-01 UNION PACIFIC RESOURCES COMPANY 39 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MAGNOLIA OIL & GAS OPERATING LLC113,0002008-03-26
1MAGNOLIA OIL & GAS OPERATING LLC112,6001997-09-09