ARMSTRONG "12"

Oil · District 08 · Lease #39527

Operator: PETROPLEX ENERGY INC.

Cum Oil

281k BBL

Cum Gas

800k MCF

casinghead

Wells

2

Production

2009-05 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 280,936 BBL Cum Gas: 799,880 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,442 BBL/mo

Di (annual)

73.6%

b-factor

1.3

EUR

350,988 BBL

R-squared

0.857

type

hyperbolic

Operator History (from monthly production reports)

2009-05 — 2026-07 PETROPLEX ENERGY INC. 207 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PETROPLEX ENERGY INC.111,0002009-11-13
1PETROPLEX ENERGY INC.111,0002009-02-23