IRWIN, L. F.

Oil · District 11 · Lease #66426

Operator: SOJOURNER DRILLING CORPORATION

Fields: MABEN (CISCO)

Cum Oil

81k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2003-06

Peak Month

1993-01

Production History

Cum Oil: 80,999 BBL Cum Gas: 0 MCF

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

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SOJOURNER DRLG. CORP.15,9501992-09-11
1SOJOURNER DRLG. CORP.27,3001989-10-12
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