IRWIN, L. F.

Oil · District 8A · Lease #66426

Operator: SOJOURNER DRILLING CORPORATION

Fields: MABEN (CISCO)

Cum Oil

81k BBL

Cum Gas

22k MCF

casinghead

Wells

2

Production

1993-01 — 2003-02

Peak Month

1993-01

Production History

Cum Oil: 80,999 BBL Cum Gas: 22,160 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,494 BBL/mo

Di (annual)

338.7%

b-factor

1.4

EUR

116,941 BBL

R-squared

0.815

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2003-06 SOJOURNER DRILLING CORPORATION 126 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SOJOURNER DRILLING CORPORATION15,9501992-09-11
1SOJOURNER DRILLING CORPORATION27,3001989-10-12