LESTER-BRUNS UNIT

Oil · District 01 · Lease #13193

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

89k BBL

Cum Gas

24k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 88,555 BBL Cum Gas: 24,322 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

691 BBL/mo

Di (annual)

14.8%

b-factor

0.4

EUR

81,412 BBL

R-squared

0.525

type

hyperbolic

Operator History (from monthly production reports)

2010-10 — 2026-07 MODERN EXPLORATION, INC. 190 mo
2008-01 — 2010-09 LACY 03, LLC 33 mo
1994-12 — 2007-12 LACY, J. W., JR. 157 mo
1993-04 — 1994-11 TORCH OPERATING COMPANY 20 mo
1993-01 — 1993-03 UNION PACIFIC RESOURCES COMPANY 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MODERN EXPLORATION, INC.311,9691990-09-21