NEAL RANCH "77" A

Oil · District 9 · Lease #17274

Operator: COG OPERATING LLC

Cum Oil

263k BBL

Cum Gas

0 MCF

Wells

6

Production

2010-07 — 2026-03

Peak Month

2013-09

Production History

Cum Oil: 263,450 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,726 BBL/mo

Di (annual)

26.9%

b-factor

0.5

EUR

211,836 BBL

R-squared

0.572

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16COG OPERATING LLC112,0002013-04-10
11COG OPERATING LLC112,0002013-03-18
15COG OPERATING LLC112,0002013-03-12
7COG OPERATING LLC111,1002011-02-28
3COG OPERATING LLC112,0002010-07-28
4COG OPERATING LLC312,0002010-03-24
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