ROCK HOUNDS

Oil · District 03 · Lease #25719

Operator: XTO ENERGY INC.

Cum Oil

201k BBL

Cum Gas

35k MCF

casinghead

Wells

1

Production

2011-07 — 2019-12

Peak Month

2011-08

Production History

Cum Oil: 201,147 BBL Cum Gas: 34,958 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,585 BBL/mo

Di (annual)

119.0%

b-factor

0.3

EUR

209,890 BBL

R-squared

0.795

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 HILCORP ENERGY COMPANY 31 mo
2011-07 — 2023-12 XTO ENERGY INC. 150 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHILCORP ENERGY COMPANY111,5002011-05-10