S. WALLIS UNIT A

Oil · District 02 · Lease #10863

Operator: BURLINGTON RESOURCES O & G CO LP

Cum Oil

1.4M BBL

Cum Gas

5.0M MCF

casinghead

Wells

5

Production

2013-06 — 2026-04

Peak Month

2014-05

Production History

Cum Oil: 1,444,129 BBL Cum Gas: 4,961,964 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

65,624 BBL/mo

Di (annual)

106.1%

b-factor

0.5

EUR

1,430,834 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2013-06 — 2026-07 BURLINGTON RESOURCES O & G CO LP 158 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MWBURLINGTON RESOURCES O & G CO LP217,0002014-11-19
2BURLINGTON RESOURCES O & G CO LP117,0002013-03-25
4BURLINGTON RESOURCES O & G CO LP117,0002013-03-25
6BURLINGTON RESOURCES O & G CO LP117,0002013-03-25
8BURLINGTON RESOURCES O & G CO LP117,0002013-03-25