SCHARBAUER, MARY "B"

Oil · District 08 · Lease #40737

Operator: COG OPERATING LLC

Cum Oil

71k BBL

Cum Gas

119k MCF

casinghead

Wells

1

Production

2010-11 — 2016-04

Peak Month

2011-01

Production History

Cum Oil: 70,876 BBL Cum Gas: 118,940 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,453 BBL/mo

Di (annual)

45.6%

b-factor

0.2

EUR

80,519 BBL

R-squared

0.805

type

hyperbolic

Operator History (from monthly production reports)

2010-11 — 2020-12 COG OPERATING LLC 122 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2COG OPERATING LLC312,0002010-02-05