FIRST NATIONAL BANK

Oil · District 11 · Lease #60457

Operator: UNITEX OIL & GAS, L.L.C.

Cum Oil

198k BBL

Cum Gas

0 MCF

Wells

8

Production

1993-01 — 2026-03

Peak Month

1994-02

Production History

Cum Oil: 197,748 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,360 BBL/mo

Di (annual)

9.9%

b-factor

0.2

EUR

193,179 BBL

R-squared

0.960

type

hyperbolic

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9AUNITEX OIL & GAS, L.L.C.13,3012019-07-08
10PEARSON SIBERT OIL CO. OF TEXAS22,5681998-12-10
1RPEARSON SIBERT OIL CO. OF TEXAS12,5501983-06-15
342-415-00376--------
4R42-415-03007--------
642-415-00238--------
742-415-00239--------
842-415-00377--------
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