TEXFEL "A"

Oil · District 7B · Lease #25205

Operator: HUMPHREY, THOS.D. OIL PROP.,INC.

Cum Oil

7k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1993-01 — 1999-02

Peak Month

1993-02

Production History

Cum Oil: 6,516 BBL Cum Gas: 7,053 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

387 BBL/mo

Di (annual)

95.6%

b-factor

0.0

EUR

4,851 BBL

R-squared

0.709

type

exponential

Operator History (from monthly production reports)

1999-01 — 1999-06 ENCORE ENERGY, INC. 6 mo
1993-01 — 1998-12 HUMPHREY, THOS.D. OIL PROP.,INC. 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HUMPHREY THOS.D. OIL PROP. INC.55,7201999-03-22