DE LAFOSSE

Oil · District 8 · Lease #12070

Operator: PETREE OPERATING, INC.

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

8

Production

1993-01 — 2026-03

Peak Month

2007-05

Production History

Cum Oil: 8,164 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

37 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

6,714 BBL

R-squared

0.341

type

exponential

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13OAKTREE OIL COMPANY11,0001991-04-09
11OAKTREE OIL COMPANY11,0001991-03-26
12OAKTREE OIL COMPANY11,0001991-03-26
10OAKTREE OIL COMPANY15001986-01-31
9OAKTREE OIL COMPANY14501984-07-02
8OAKTREE OIL COMPANY14501984-02-08
6OAKTREE OIL COMPANY14501983-03-10
142-417-83769--------
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