IRONWOOD A4 UNIT

Oil · District 01 · Lease #18899

Operator: U.S. ENERGY DEVELOPMENT CORP

Cum Oil

171k BBL

Cum Gas

87k MCF

casinghead

Wells

1

Production

2016-04 — 2026-04

Peak Month

2017-03

Production History

Cum Oil: 171,119 BBL Cum Gas: 86,878 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,321 BBL/mo

Di (annual)

104.1%

b-factor

1.4

EUR

301,196 BBL

R-squared

0.922

type

hyperbolic

Operator History (from monthly production reports)

2016-04 — 2026-07 U.S. ENERGY DEVELOPMENT CORP 124 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 4EFU.S. ENERGY DEVELOPMENT CORP19,0002015-10-22