BROWN ALTMAN -B-

Oil · District 10 · Lease #36154

Operator: XTO ENERGY INC.

Cum Oil

18k BBL

Cum Gas

0 MCF

Wells

4

Production

1999-11 — 2026-03

Peak Month

2019-10

Production History

Cum Oil: 17,664 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

581 BBL/mo

Di (annual)

248.7%

b-factor

1.2

EUR

18,320 BBL

R-squared

0.376

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
50XTO ENERGY INC.28,0002019-05-24
47XTO ENERGY INC.311,5442019-04-03
25XTO ENERGY INC.19,4752019-01-28
14EXXON CORP.38,0001999-07-29
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