BENGE, MARION V. ESTATE

Oil · District 08 · Lease #39628

Operator: COG OPERATING LLC

Cum Oil

303k BBL

Cum Gas

712k MCF

casinghead

Wells

5

Production

2009-04 — 2026-04

Peak Month

2014-02

Production History

Cum Oil: 302,654 BBL Cum Gas: 712,057 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,051 BBL/mo

Di (annual)

30.4%

b-factor

0.0

EUR

199,348 BBL

R-squared

0.892

type

exponential

Operator History (from monthly production reports)

2009-04 — 2026-07 COG OPERATING LLC 208 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9COG OPERATING LLC112,0002013-01-15
6COG OPERATING LLC112,0002011-10-20
7COG OPERATING LLC112,0002009-10-08
3COG OPERATING LLC211,2002001-10-25
2COG OPERATING LLC19,2001985-05-29