ARMSTRONG, ELIZABETH -C-

Oil · District 08 · Lease #29679

Operator: XTO ENERGY INC.

Cum Oil

93k BBL

Cum Gas

192k MCF

casinghead

Wells

4

Production

1993-01 — 2014-11

Peak Month

1993-01

Production History

Cum Oil: 93,178 BBL Cum Gas: 192,487 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,406 BBL/mo

Di (annual)

17.3%

b-factor

0.0

EUR

97,482 BBL

R-squared

0.667

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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HILCORP ENERGY COMPANY29,6061993-02-22
6HILCORP ENERGY COMPANY19,6001984-12-03
7HILCORP ENERGY COMPANY19,6001984-12-03
1142-003-35057HILCORP ENERGY COMPANY------