BARBARA

Oil · District 10 · Lease #43803

Operator: COG OPERATING LLC

Cum Oil

177k BBL

Cum Gas

0 MCF

Wells

4

Production

2013-02 — 2026-03

Peak Month

2014-12

Production History

Cum Oil: 176,688 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,859 BBL/mo

Di (annual)

411.4%

b-factor

1.8

EUR

228,134 BBL

R-squared

0.738

type

hyperbolic

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
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