ARCO - STATE 33-28

Oil · District 08 · Lease #44101

Operator: U.S. ENERGY DEVELOPMENT CORP

Cum Oil

1.3M BBL

Cum Gas

1.9M MCF

casinghead

Wells

2

Production

2013-03 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 1,260,400 BBL Cum Gas: 1,918,968 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,679 BBL/mo

Di (annual)

66.4%

b-factor

1.0

EUR

1,128,755 BBL

R-squared

0.647

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 U.S. ENERGY DEVELOPMENT CORP 16 mo
2016-04 — 2025-03 COG OPERATING LLC 108 mo
2013-03 — 2016-03 JETTA OPERATING COMPANY, INC. 37 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HU.S. ENERGY DEVELOPMENT CORP112,0002013-10-21
1HU.S. ENERGY DEVELOPMENT CORP112,0002012-10-04