COLEMAN

Oil · District 09 · Lease #19182

Operator: WILLOWBEND INVESTMENTS, INC.

Cum Oil

5k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

1993-01 — 2001-12

Peak Month

1999-01

Production History

Cum Oil: 4,600 BBL Cum Gas: 4,232 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

94 BBL/mo

Di (annual)

20.9%

b-factor

0.1

EUR

5,887 BBL

R-squared

0.762

type

hyperbolic

Operator History (from monthly production reports)

1998-07 — 2002-09 WILLOWBEND INVESTMENTS, INC. 51 mo
1998-04 — 1998-06 CHESAPEAKE OPERATING, INC. 3 mo
1994-09 — 1998-03 HUGOTON ENERGY CORPORATION 43 mo
1993-01 — 1994-08 TUTHILL & BARBEE 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4 UWILLOWBEND INVESTMENTS, INC.15,8251978-10-05