HALL

Oil · District 08 · Lease #29053

Operator: NORTHSTAR OPERATING COMPANY

Fields: VAREL (SAN ANDRES)

Cum Oil

47k BBL

Cum Gas

21 MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1994-03

Production History

Cum Oil: 47,266 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

231 BBL/mo

Di (annual)

5.6%

b-factor

0.1

EUR

48,753 BBL

R-squared

0.864

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MSD OPERATING, LLC 96 mo

2004-01 — 2018-07 NORTHSTAR OPERATING COMPANY 175 mo

1996-02 — 2003-12 LIMARK CORPORATION 95 mo

1993-01 — 1996-01 MWJ PRODUCING COMPANY 37 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-227-33787	MSD OPERATING, LLC	1	3,400	1985-06-17
2	42-227-33564	MSD OPERATING, LLC	1	3,400	1984-11-09
3	42-227-33565	MSD OPERATING, LLC	1	3,400	1984-11-09
1	42-227-33414	MSD OPERATING, LLC	1	3,400	1984-06-07