WSRU ALLOCATION #4

Oil · District 01 · Lease #19375

Operator: XTO ENERGY INC.

Cum Oil

298k BBL

Cum Gas

533k MCF

casinghead

Wells

1

Production

2018-06 — 2025-06

Peak Month

2019-07

Production History

Cum Oil: 298,022 BBL Cum Gas: 533,235 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,320 BBL/mo

Di (annual)

66.9%

b-factor

0.1

EUR

265,626 BBL

R-squared

0.910

type

hyperbolic

Operator History (from monthly production reports)

2018-06 — 2026-07 XTO ENERGY INC. 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 6HXTO ENERGY INC.112,0002017-07-05