SANZENBACHER "F"

Oil · District 09 · Lease #23845

Operator: WILLOWBEND INVESTMENTS, INC.

Fields: LUTZ (STRAWN)

Cum Oil

158k BBL

Cum Gas

94k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2009-05

Production History

Cum Oil: 157,632 BBL Cum Gas: 93,798 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,763 BBL/mo

Di (annual)

18.9%

b-factor

0.0

EUR

111,886 BBL

R-squared

0.661

type

exponential

Operator History (from monthly production reports)

2009-08 — 2026-07 WILLOWBEND INVESTMENTS, INC. 204 mo
1998-10 — 2009-07 BURNS OPERATING LLC 130 mo
1993-01 — 1998-09 BURNS OPERATING 69 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8WILLOWBEND INVESTMENTS, INC.15,0002008-05-08
4WILLOWBEND INVESTMENTS, INC.14,6191984-01-05
5WILLOWBEND INVESTMENTS, INC.14,7501984-01-05
6WILLOWBEND INVESTMENTS, INC.14,7171984-01-05