MARY SCHARBAUER B4

Oil · District 08 · Lease #49006

Operator: COG OPERATING LLC

Cum Oil

603k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2017-05 — 2026-04

Peak Month

2017-10

Production History

Cum Oil: 602,603 BBL Cum Gas: 1,441,482 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,930 BBL/mo

Di (annual)

151.1%

b-factor

0.6

EUR

530,100 BBL

R-squared

0.852

type

hyperbolic

Operator History (from monthly production reports)

2017-05 — 2026-07 COG OPERATING LLC 111 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1202LHCOG OPERATING LLC112,0002016-09-08