FOSTER

Oil · District 08 · Lease #8793

Operator: SCHLAGAL, ROBERT

Fields: COWDEN, SOUTH

Cum Oil

233k BBL

Cum Gas

172k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2010-08

Production History

Cum Oil: 233,103 BBL Cum Gas: 171,558 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,909 BBL/mo

Di (annual)

44.0%

b-factor

0.0

EUR

133,945 BBL

R-squared

0.700

type

exponential

Operator History (from monthly production reports)

2001-01 — 2026-07 PAR DEVELOPMENT 307 mo
1993-09 — 2000-12 SCHLAGAL, INC. 88 mo
1993-04 — 1993-08 SCHLAGAL, ROBERT 5 mo
1993-01 — 1993-03 MWJ PRODUCING COMPANY 3 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PAR DEVELOPMENT14,8502010-10-15
10PAR DEVELOPMENT14,8002010-10-14
7PAR DEVELOPMENT14,7002006-05-01
8PAR DEVELOPMENT14,7002006-05-01
9PAR DEVELOPMENT14,7002006-05-01
4W42-135-04768PAR DEVELOPMENT------
542-135-10465PAR DEVELOPMENT------