HKHR ALLOCATION #8

Oil · District 01 · Lease #18811

Operator: XTO ENERGY INC.

Cum Oil

292k BBL

Cum Gas

445k MCF

casinghead

Wells

1

Production

2016-03 — 2026-04

Peak Month

2017-05

Production History

Cum Oil: 291,612 BBL Cum Gas: 445,489 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,880 BBL/mo

Di (annual)

33.0%

b-factor

0.0

EUR

177,565 BBL

R-squared

0.598

type

exponential

Operator History (from monthly production reports)

2016-03 — 2026-07 XTO ENERGY INC. 125 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 20HXTO ENERGY INC.113,0002015-10-27