DUBYA STATE 12

Oil · District 08 · Lease #41620

Operator: U.S. ENERGY DEVELOPMENT CORP

Cum Oil

339k BBL

Cum Gas

643k MCF

casinghead

Wells

4

Production

2011-03 — 2026-04

Peak Month

2012-01

Production History

Cum Oil: 339,000 BBL Cum Gas: 642,568 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,501 BBL/mo

Di (annual)

6.8%

b-factor

0.0

EUR

427,307 BBL

R-squared

0.302

type

exponential

Operator History (from monthly production reports)

2025-04 — 2026-07 U.S. ENERGY DEVELOPMENT CORP 16 mo
2011-03 — 2025-03 COG OPERATING LLC 169 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8U.S. ENERGY DEVELOPMENT CORP213,5002011-05-05
9U.S. ENERGY DEVELOPMENT CORP213,5002011-05-05
3U.S. ENERGY DEVELOPMENT CORP313,5002011-04-26
1U.S. ENERGY DEVELOPMENT CORP313,5002010-12-08