MCGRIFF -B-

Oil · District 02 · Lease #1111

Operator: NOG PRODUCTION & OPERATING LLC

Fields: OAKVILLE

Cum Oil

7k BBL

Cum Gas

45 MCF

casinghead

Wells

3

Production

1993-01 — 2011-01

Peak Month

1993-03

Production History

Cum Oil: 7,463 BBL Cum Gas: 45 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

67 BBL/mo

Di (annual)

10.1%

b-factor

0.0

EUR

7,859 BBL

R-squared

0.317

type

exponential

Operator History (from monthly production reports)

2020-12 — 2026-07 NOG PRODUCTION & OPERATING LLC 68 mo
1993-01 — 2020-11 CHASS PRODUCTION CO. 335 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10RNOG PRODUCTION & OPERATING LLC12,9001980-01-09
13CHASS PRODUCTION CO.23,0161979-05-24
842-297-30863CHASS PRODUCTION CO.------