RAINOSEK-DL UNIT

Oil · District 03 · Lease #21765

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

453k BBL

Cum Gas

3.5M MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-06

Production History

Cum Oil: 453,011 BBL Cum Gas: 3,457,845 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,141 BBL/mo

Di (annual)

100.4%

b-factor

0.6

EUR

380,018 BBL

R-squared

0.918

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAGNOLIA OIL & GAS OPERATING LLC116,8001992-09-04