STOECKER "A"

Oil · District 7C · Lease #12065

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

10k BBL

Cum Gas

56k MCF

casinghead

Wells

2

Production

1993-01 — 2005-11

Peak Month

1993-01

Production History

Cum Oil: 9,809 BBL Cum Gas: 56,286 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

295 BBL/mo

Di (annual)

34.3%

b-factor

0.0

EUR

10,283 BBL

R-squared

0.884

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOJOURNER DRILLING CORPORATION24,4001987-05-28
1SOJOURNER DRILLING CORPORATION14,4001986-07-24