MERFELD

Oil · District 7C · Lease #12195

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

6k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

1993-01 — 2004-03

Peak Month

1993-01

Production History

Cum Oil: 5,710 BBL Cum Gas: 6,229 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

73 BBL/mo

Di (annual)

16.5%

b-factor

0.0

EUR

5,264 BBL

R-squared

0.648

type

exponential

Operator History (from monthly production reports)

2002-07 — 2013-10 SOJOURNER DRILLING CORPORATION 136 mo
2000-04 — 2002-06 QUICKSILVER RESOURCES INC. 27 mo
1993-01 — 2000-03 MSR EXPLORATION, INC. 87 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION14,4001986-09-23