HASEL26

Oil · District 7C · Lease #18107

Operator: COG OPERATING LLC

Cum Oil

65k BBL

Cum Gas

248k MCF

casinghead

Wells

2

Production

2012-10 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 65,477 BBL Cum Gas: 248,134 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,738 BBL/mo

Di (annual)

42.1%

b-factor

0.2

EUR

61,801 BBL

R-squared

0.705

type

hyperbolic

Operator History (from monthly production reports)

2012-10 — 2026-07 COG OPERATING LLC 166 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2COG OPERATING LLC212,0002012-09-21
1COG OPERATING LLC110,1002012-07-13