TUBB-ROSS 26

Oil · District 8A · Lease #69179

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

22k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2007-09 — 2016-01

Peak Month

2007-10

Production History

Cum Oil: 21,552 BBL Cum Gas: 2,966 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

312 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

31,637 BBL

R-squared

0.490

type

exponential

Operator History (from monthly production reports)

2007-09 — 2016-06 GREAT WESTERN DRILLING COMPANY 106 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BASIN OIL & GAS OPERATING, LLC28,0002007-04-17