ARMSTRONG, ELIZABETH -D-

Oil · District 08 · Lease #27889

Operator: XTO ENERGY INC.

Fields: MEANS

Cum Oil

121k BBL

Cum Gas

17k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1999-10

Production History

Cum Oil: 120,907 BBL Cum Gas: 16,710 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

357 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

72,004 BBL

R-squared

0.416

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HILCORP ENERGY COMPANY29,7001988-03-10
1HILCORP ENERGY COMPANY14,9001982-12-02