JENNINGS

Oil · District 7C · Lease #12040

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

8k BBL

Cum Gas

31k MCF

casinghead

Wells

4

Production

1993-01 — 2001-07

Peak Month

1993-06

Production History

Cum Oil: 8,375 BBL Cum Gas: 30,730 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

383 BBL/mo

Di (annual)

55.3%

b-factor

0.0

EUR

8,285 BBL

R-squared

0.743

type

exponential

Operator History (from monthly production reports)

2002-07 — 2011-05 SOJOURNER DRILLING CORPORATION 107 mo
2000-04 — 2002-06 QUICKSILVER RESOURCES INC. 27 mo
1993-01 — 2000-03 MSR EXPLORATION, INC. 87 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5SOJOURNER DRILLING CORPORATION14,3501987-06-01
3SOJOURNER DRILLING CORPORATION14,4001986-07-29
2SOJOURNER DRILLING CORPORATION14,4001986-07-23
4SOJOURNER DRILLING CORPORATION14,4001986-07-23