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Oil · District 08 · Lease #39575

Operator: COG OPERATING LLC

Cum Oil

197k BBL

Cum Gas

505k MCF

casinghead

Wells

4

Production

2009-04 — 2024-07

Peak Month

2013-11

Production History

Cum Oil: 196,830 BBL Cum Gas: 505,387 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,234 BBL/mo

Di (annual)

57.5%

b-factor

0.3

EUR

95,997 BBL

R-squared

0.769

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7COG OPERATING LLC111,5002013-06-07
6COG OPERATING LLC112,0002011-06-17
5COG OPERATING LLC112,0002010-02-03
4COG OPERATING LLC210,6491994-08-16