BULLET 27-12

Oil · District 08 · Lease #51683

Operator: COG OPERATING LLC

Cum Oil

156k BBL

Cum Gas

290k MCF

casinghead

Wells

1

Production

2018-09 — 2026-04

Peak Month

2018-11

Production History

Cum Oil: 156,318 BBL Cum Gas: 290,424 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,876 BBL/mo

Di (annual)

29.9%

b-factor

0.0

EUR

115,563 BBL

R-squared

0.324

type

exponential

Operator History (from monthly production reports)

2018-09 — 2026-07 COG OPERATING LLC 95 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCOG OPERATING LLC214,0002018-01-30