ARMSTRONG, ELIZABETH -C-

Oil · District 08 · Lease #18408

Operator: XTO ENERGY INC.

Fields: MEANS

Cum Oil

122k BBL

Cum Gas

10k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1998-05

Production History

Cum Oil: 121,893 BBL Cum Gas: 10,256 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

384 BBL/mo

Di (annual)

5.0%

b-factor

0.0

EUR

84,288 BBL

R-squared

0.485

type

exponential

Operator History (from monthly production reports)

2025-04 — 2026-07 HILCORP ENERGY COMPANY 16 mo
2012-01 — 2025-03 XTO ENERGY INC. 159 mo
2000-04 — 2011-12 EXXON MOBIL CORPORATION 141 mo
1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HILCORP ENERGY COMPANY29,6061993-02-22
342-003-30017HILCORP ENERGY COMPANY------
542-003-30067HILCORP ENERGY COMPANY------