RUCKMAN TRUST UNIT A

Oil · District 02 · Lease #9911

Operator: BURLINGTON RESOURCES O & G CO LP

Cum Oil

1.2M BBL

Cum Gas

2.5M MCF

casinghead

Wells

3

Production

2011-06 — 2026-04

Peak Month

2019-12

Production History

Cum Oil: 1,242,885 BBL Cum Gas: 2,518,297 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,060 BBL/mo

Di (annual)

458.2%

b-factor

0.8

EUR

211,169 BBL

R-squared

0.438

type

hyperbolic

Operator History (from monthly production reports)

2011-06 — 2026-07 BURLINGTON RESOURCES O & G CO LP 182 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6BURLINGTON RESOURCES O & G CO LP217,0002018-02-20
2BURLINGTON RESOURCES O & G CO LP117,0002014-05-27
1BURLINGTON RESOURCES O & G CO LP214,0002010-11-30