PORTLAND OIL UNIT "A"

Oil · District 04 · Lease #12958

Operator: BOPCO, L.P.

Cum Oil

15k BBL

Cum Gas

99k MCF

casinghead

Wells

1

Production

2000-05 — 2002-09

Peak Month

2000-08

Production History

Cum Oil: 15,170 BBL Cum Gas: 99,125 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,288 BBL/mo

Di (annual)

158.8%

b-factor

0.5

EUR

18,949 BBL

R-squared

0.910

type

hyperbolic

Operator History (from monthly production reports)

2008-12 — 2026-07 BOPCO, L.P. 212 mo
2007-01 — 2008-11 BEPCO, L.P. 23 mo
2000-05 — 2006-12 BASS ENTERPRISES PRODUCTION CO. 80 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BASS ENTERPRISES PRODUCTION CO.411,9062000-05-30