HASEL19 UNIT

Oil · District 7C · Lease #18975

Operator: COG OPERATING LLC

Cum Oil

269k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2015-02 — 2026-04

Peak Month

2015-11

Production History

Cum Oil: 269,258 BBL Cum Gas: 1,625,417 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,007 BBL/mo

Di (annual)

227.5%

b-factor

0.7

EUR

253,702 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2015-02 — 2026-07 COG OPERATING LLC 138 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
32HCOG OPERATING LLC112,0002014-08-13