BARBARA

Oil · District 08 · Lease #43803

Operator: COG OPERATING LLC

Cum Oil

179k BBL

Cum Gas

335k MCF

casinghead

Wells

4

Production

2013-02 — 2026-04

Peak Month

2014-12

Production History

Cum Oil: 179,043 BBL Cum Gas: 334,988 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,892 BBL/mo

Di (annual)

17.0%

b-factor

0.4

EUR

198,957 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2013-02 — 2026-07 COG OPERATING LLC 162 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1909COG OPERATING LLC211,4502014-06-25
1915COG OPERATING LLC111,4152013-04-04
1914COG OPERATING LLC112,0002013-03-06
1902COG OPERATING LLC212,0002012-06-21