ISOTOPES

Oil · District 05 · Lease #4025

Operator: XTO ENERGY INC.

Cum Oil

36k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

2013-07 — 2023-12

Peak Month

2013-08

Production History

Cum Oil: 35,853 BBL Cum Gas: 7,862 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

525 BBL/mo

Di (annual)

16.4%

b-factor

0.0

EUR

38,422 BBL

R-squared

0.417

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 HILCORP ENERGY COMPANY 31 mo
2013-07 — 2023-12 XTO ENERGY INC. 126 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHILCORP ENERGY COMPANY412,7002012-04-09