SIEBER TRUST STATE 25-12

Oil · District 08 · Lease #52501

Operator: NOBLE ENERGY INC

Cum Oil

364k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2019-06 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 364,255 BBL Cum Gas: 1,017,879 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,932 BBL/mo

Di (annual)

223.3%

b-factor

0.8

EUR

489,407 BBL

R-squared

0.929

type

hyperbolic

Operator History (from monthly production reports)

2019-06 — 2026-07 NOBLE ENERGY INC 86 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HNOBLE ENERGY INC113,0002019-01-29