GRAHAM -B-

Oil · District 09 · Lease #20716

Operator: WILLOWBEND INVESTMENTS, INC.

Cum Oil

116k BBL

Cum Gas

90k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 116,019 BBL Cum Gas: 90,498 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

456 BBL/mo

Di (annual)

3.4%

b-factor

0.0

EUR

131,781 BBL

R-squared

0.644

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WILLOWBEND INVESTMENTS, INC.16,7001981-06-18
1WILLOWBEND INVESTMENTS, INC.16,8001980-09-24