BARNEY

Oil · District 10 · Lease #39267

Operator: KEYSTONE PETROLEUM GP LLC

Cum Oil

319k BBL

Cum Gas

0 MCF

Wells

9

Production

2008-05 — 2026-03

Peak Month

2010-06

Production History

Cum Oil: 319,432 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,440 BBL/mo

Di (annual)

32.8%

b-factor

2.0

EUR

429,753 BBL

R-squared

0.404

type

hyperbolic

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DEVON ENERGY PRODUCTION CO, L.P.111,0002013-08-06
9DEVON ENERGY PRODUCTION CO, L.P.211,0002013-08-06
5DEVON ENERGY PRODUCTION CO, L.P.111,0002012-03-13
8RDEVON ENERGY PRODUCTION CO, L.P.111,0002012-02-17
11DEVON ENERGY PRODUCTION CO, L.P.111,0002010-12-14
10KEYSTONE PETROLEUM GP LLC111,0002008-09-29
12KEYSTONE PETROLEUM GP LLC111,0002008-09-29
7KEYSTONE PETROLEUM GP LLC111,0002008-09-29
2KEYSTONE PETROLEUM GP LLC110,5002007-12-06
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