IRWIN, KATHLEEN

Oil · District 7B · Lease #5102

Operator: OILCO SERVICES

Cum Oil

2k BBL

Cum Gas

1k MCF

casinghead

Wells

2

Production

1993-01 — 1997-06

Peak Month

1993-05

Production History

Cum Oil: 2,104 BBL Cum Gas: 1,087 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

165 BBL/mo

Di (annual)

134.5%

b-factor

0.0

EUR

1,461 BBL

R-squared

0.750

type

exponential

Operator History (from monthly production reports)

1996-03 — 2006-06 CHAP OPERATING, INC. 124 mo
1993-01 — 1996-02 OILCO SERVICES 38 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CHAP OPERATING INC.15,9001977-10-12
142-207-00397CHAP OPERATING INC.------