LUDEMAN E

Oil · District 08 · Lease #50777

Operator: COG OPERATING LLC

Cum Oil

309k BBL

Cum Gas

415k MCF

casinghead

Wells

1

Production

2018-06 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 308,602 BBL Cum Gas: 415,218 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,545 BBL/mo

Di (annual)

587.4%

b-factor

1.8

EUR

605,694 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2018-06 — 2026-07 COG OPERATING LLC 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
401HCOG OPERATING LLC114,0002017-06-30