DONNELL

Oil · District 7B · Lease #23825

Operator: NWG OPERATING LLC

Cum Oil

10k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-02

Production History

Cum Oil: 9,694 BBL Cum Gas: 1,006 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

72 BBL/mo

Di (annual)

12.4%

b-factor

0.4

EUR

9,919 BBL

R-squared

0.682

type

hyperbolic

Operator History (from monthly production reports)

2014-08 — 2026-07 NWG OPERATING LLC 144 mo
1993-01 — 2014-07 GRIMES, NORMAN W. 259 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NWG OPERATING LLC14,4001986-04-23