NEAL RANCH '77' AB UNIT

Oil · District 9 · Lease #18974

Operator: COG OPERATING LLC

Cum Oil

248k BBL

Cum Gas

0 MCF

Wells

1

Production

2015-03 — 2026-03

Peak Month

2015-04

Production History

Cum Oil: 248,464 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

12,101 BBL/mo

Di (annual)

175.2%

b-factor

0.8

EUR

271,874 BBL

R-squared

0.919

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31HCOG OPERATING LLC112,0002014-08-21
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