VAELLO-BROMBERG

Oil · District 04 · Lease #9040

Operator: NATIONAL INVESTORS GROUP

Cum Oil

37k BBL

Cum Gas

130 MCF

casinghead

Wells

2

Production

1993-01 — 2013-02

Peak Month

1993-04

Production History

Cum Oil: 37,411 BBL Cum Gas: 130 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

563 BBL/mo

Di (annual)

36.1%

b-factor

0.4

EUR

29,851 BBL

R-squared

0.504

type

hyperbolic

Operator History (from monthly production reports)

1996-12 — 2026-07 CHAPCO, INC. 356 mo
1993-01 — 1996-11 NATIONAL INVESTORS GROUP 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CHAPCO INC.13,8001991-04-15
142-131-10888NATIONAL INVESTORS GROUP------