JEFFERIES #11

Oil · District 7B · Lease #28409

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

1

Production

1998-01 — 2000-05

Peak Month

1998-01

Production History

Cum Oil: 2,840 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

342 BBL/mo

Di (annual)

111.1%

b-factor

0.0

EUR

3,683 BBL

R-squared

0.706

type

exponential

Operator History (from monthly production reports)

2004-01 — 2012-05 SOJOURNER DRILLING CORPORATION 101 mo
1998-01 — 2003-12 LANEER RESOURCES COMPANY 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION14,2001997-10-21