GANTT-JUNEK UNIT

Oil · District 03 · Lease #21691

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

9k BBL

Cum Gas

160k MCF

casinghead

Wells

1

Production

1993-01 — 2003-05

Peak Month

1993-01

Production History

Cum Oil: 8,800 BBL Cum Gas: 159,941 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

475 BBL/mo

Di (annual)

518.2%

b-factor

0.6

EUR

2,532 BBL

R-squared

0.436

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2006-03 ENDEAVOR ENERGY RESOURCES L.P. 67 mo
1995-10 — 2000-08 STEPHENS, AUTRY C. 59 mo
1993-01 — 1995-09 UNION PACIFIC RESOURCES COMPANY 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.215,0002013-05-29