TUBB "A"

Oil · District 10 · Lease #7431

Operator: BRACKEN OPERATING, L.L.C.

Cum Oil

580 BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

2002-09 — 2003-08

Peak Month

2002-10

Production History

Cum Oil: 580 BBL Cum Gas: 1,609 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

133 BBL/mo

Di (annual)

333.2%

b-factor

0.0

EUR

480 BBL

R-squared

0.477

type

exponential

Operator History (from monthly production reports)

2002-09 — 2003-11 BRACKEN OPERATING, L.L.C. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2194BRACKEN ENERGY COMPANY411,6502002-08-07