TUMBLER STATE F

Oil · District 08 · Lease #53208

Operator: U.S. ENERGY DEVELOPMENT CORP

Cum Oil

214k BBL

Cum Gas

924k MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 214,348 BBL Cum Gas: 923,721 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,745 BBL/mo

Di (annual)

366.1%

b-factor

1.0

EUR

286,641 BBL

R-squared

0.845

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
1805HU.S. ENERGY DEVELOPMENT CORP110,9002018-06-27