ELLIE

Oil · District 7C · Lease #16859

Operator: COG OPERATING LLC

Cum Oil

419k BBL

Cum Gas

1.2M MCF

casinghead

Wells

6

Production

2009-01 — 2026-04

Peak Month

2010-04

Production History

Cum Oil: 419,396 BBL Cum Gas: 1,242,116 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,099 BBL/mo

Di (annual)

212.8%

b-factor

1.4

EUR

453,690 BBL

R-squared

0.715

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2026-07 COG OPERATING LLC 211 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1407COG OPERATING LLC112,0002013-05-08
1404COG OPERATING LLC110,8002010-09-14
1406COG OPERATING LLC110,8002010-03-16
1402COG OPERATING LLC110,8002009-09-16
1415COG OPERATING LLC110,8002009-04-28
1401COG OPERATING LLC210,8002008-04-28