STEWART UNIT

Oil · District 03 · Lease #23138

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

328k BBL

Cum Gas

175k MCF

casinghead

Wells

1

Production

1996-11 — 2026-04

Peak Month

1996-12

Production History

Cum Oil: 328,252 BBL Cum Gas: 175,283 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,669 BBL/mo

Di (annual)

75.7%

b-factor

0.7

EUR

347,354 BBL

R-squared

0.796

type

hyperbolic

Operator History (from monthly production reports)

2023-12 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 32 mo
2021-12 — 2023-11 LRR PECOS VALLEY, LLC 24 mo
2016-09 — 2021-11 TREADSTONE ENERGY PRTNR OP, LLC 63 mo
2013-01 — 2016-08 ANADARKO E&P ONSHORE LLC 44 mo
2002-12 — 2012-12 ANADARKO E&P COMPANY LP 121 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1996-11 — 2001-01 UNION PACIFIC RESOURCES COMPANY 51 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAGNOLIA OIL & GAS OPERATING LLC16,5001996-10-02