REVOLVER C UNIT

Oil · District 08 · Lease #51816

Operator: COG OPERATING LLC

Cum Oil

1.2M BBL

Cum Gas

1.5M MCF

casinghead

Wells

4

Production

2018-12 — 2025-12

Peak Month

2019-12

Production History

Cum Oil: 1,220,150 BBL Cum Gas: 1,538,523 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,275 BBL/mo

Di (annual)

38.2%

b-factor

0.0

EUR

1,045,160 BBL

R-squared

0.738

type

exponential

Operator History (from monthly production reports)

2018-12 — 2026-07 COG OPERATING LLC 92 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
403HCOG OPERATING LLC112,5002019-06-11
402HCOG OPERATING LLC214,0002018-12-07
410HCOG OPERATING LLC214,0002018-12-07
401HCOG OPERATING LLC213,0002018-07-10