ROTAN

Oil · District 7B · Lease #27670

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

115k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1995-09 — 2008-05

Peak Month

1997-09

Production History

Cum Oil: 114,616 BBL Cum Gas: 4,546 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,551 BBL/mo

Di (annual)

176.2%

b-factor

0.6

EUR

40,418 BBL

R-squared

0.754

type

hyperbolic

Operator History (from monthly production reports)

2005-03 — 2009-03 HEIGHTS ENERGY CORPORATION 49 mo
1996-03 — 2005-02 SINCLAIR OIL CORPORATION 108 mo
1995-09 — 1996-02 UNION PACIFIC RESOURCES COMPANY 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEIGHTS ENERGY CORPORATION16,1001995-08-31