COWAN & MCKINNEY -Y-

Oil · District 09 · Lease #18513

Operator: WILLOWBEND INVESTMENTS, INC.

Cum Oil

58k BBL

Cum Gas

32k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2007-08

Production History

Cum Oil: 57,794 BBL Cum Gas: 31,786 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

185 BBL/mo

Di (annual)

5.8%

b-factor

0.0

EUR

36,254 BBL

R-squared

0.402

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILLOWBEND INVESTMENTS, INC.15,3001977-07-13