TUMBLER STATE G

Oil · District 08 · Lease #53166

Operator: U.S. ENERGY DEVELOPMENT CORP

Cum Oil

192k BBL

Cum Gas

557k MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 191,604 BBL Cum Gas: 557,265 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,679 BBL/mo

Di (annual)

184.7%

b-factor

0.7

EUR

247,142 BBL

R-squared

0.880

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 U.S. ENERGY DEVELOPMENT CORP 16 mo
2019-08 — 2025-03 COG OPERATING LLC 68 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1875HU.S. ENERGY DEVELOPMENT CORP111,4002018-06-27