WINDHAM "F"

Oil · District 7C · Lease #8818

Operator: HALLWOOD PETROLEUM, INC.

Cum Oil

7k BBL

Cum Gas

25k MCF

casinghead

Wells

1

Production

1993-01 — 1999-01

Peak Month

1993-06

Production History

Cum Oil: 6,690 BBL Cum Gas: 25,475 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

117 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

11,838 BBL

R-squared

0.345

type

exponential

Operator History (from monthly production reports)

1994-12 — 2000-03 HALLWOOD PETROLEUM, INC. 64 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HALLWOOD PETROLEUM INC.19,8001980-09-15