PENA #1

Oil · District 01 · Lease #12660

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

7k BBL

Cum Gas

3 MCF

casinghead

Wells

1

Production

1993-01 — 2003-03

Peak Month

1996-03

Production History

Cum Oil: 7,258 BBL Cum Gas: 3 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

168 BBL/mo

Di (annual)

35.6%

b-factor

0.0

EUR

5,641 BBL

R-squared

0.329

type

exponential

Operator History (from monthly production reports)

2008-08 — 2012-12 SOJOURNER DRILLING CORPORATION 53 mo
2004-03 — 2008-07 HILL PRODUCTION COMPANY NO. 2 53 mo
2002-12 — 2004-02 HILL PRODUCTION COMPANY 15 mo
1994-11 — 2002-11 MIESCH EXPLORATION CORPORATION 97 mo
1993-01 — 1994-10 SHIELD PETROLEUM 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION26,9501990-06-25