PIEPKOW 1-12

Lease 2028 · CALHOUN County, Michigan · Lee 12 - 01S - 05W field · Brown Niagaran

OilGas sold1983–20251 well

Operator (latest)

PIEPKOW FARMS LLC

Field

Lee 12 - 01S - 05W

Formation

Brown Niagaran

Field type (as filed)

First production

1983

Last production

2025

Operators

5 runs on this lease, as filed month by month.

Operator	From	To
PIEPKOW FARMS LLC	Dec 2006	Dec 2025
RANCH PRODUCTION CO	Dec 1990	Jul 2000
ORYX ENERGY CO	Apr 1989	Nov 1990
SUN EXPLORATION AND PRODUCTION CO	Mar 1986	Mar 1989
M G U DEVELOPMENT CO AND MASK THOMAS B AND MA020	Jan 1983	Feb 1986

Monthly oil production

203 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jan 1983 to Dec 2025. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown

766 bbl

Months filed

203

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1972, and the monthly series below begins in Jan 1983. The total above covers the months shown, not the life of the unit.

Month	Oil (bbl)
Dec 2025	0
Dec 2024	0
Dec 2023	0
Dec 2022	0
Dec 2021	0
Dec 2014	0
Dec 2013	0
Dec 2011	0
Dec 2010	0
Dec 2009	0
Dec 2006	0
Jul 2000	0
Jun 2000	0
May 2000	0
Apr 2000	0
Mar 2000	0
Feb 2000	0
Jan 2000	0
Apr 1999	0
Mar 1999	0
Dec 1998	0
Nov 1998	0
Sep 1998	0
Aug 1998	0
Jul 1998	0
Jun 1998	0
May 1998	0
Apr 1998	0
Mar 1998	0
Feb 1998	0
Jan 1998	0
Dec 1997	0
Nov 1997	0
Oct 1997	0
Sep 1997	0
Aug 1997	0
Jul 1997	0
Jun 1997	0
May 1997	0
Apr 1997	0
Mar 1997	0
Feb 1997	0
Jan 1997	0
Dec 1996	0
Nov 1996	0
Oct 1996	0
Sep 1996	0
Aug 1996	0
Jul 1996	0
Jun 1996	0
May 1996	0
Apr 1996	0
Mar 1996	0
Feb 1996	0
Jan 1996	0
Dec 1995	0
Nov 1995	0
Oct 1995	0
Sep 1995	0
Aug 1995	0
Jul 1995	0
Jun 1995	0
May 1995	0
Apr 1995	0
Mar 1995	0
Feb 1995	0
Jan 1995	0
Dec 1994	0
Nov 1994	0
Oct 1994	0
Sep 1994	0
Aug 1994	0
Jul 1994	0
Jun 1994	0
May 1994	0
Apr 1994	0
Mar 1994	0
Feb 1994	0
Dec 1993	0
Nov 1993	0
Oct 1993	0
Sep 1993	0
Aug 1993	0
Jul 1993	0
Jun 1993	0
May 1993	0
Apr 1993	0
Mar 1993	0
Feb 1993	0
Jan 1993	0
Dec 1992	0
Nov 1992	0
Sep 1992	0
Aug 1992	0
Jul 1992	0
Jun 1992	0
May 1992	0
Apr 1992	0
Mar 1992	0
Feb 1992	0
Jan 1992	0
Dec 1991	0
Nov 1991	0
Oct 1991	0
Sep 1991	0
Aug 1991	0
Jul 1991	0
Jun 1991	0
May 1991	0
Apr 1991	0
Mar 1991	0
Feb 1991	0
Jan 1991	0
Dec 1990	0
Nov 1990	0
Oct 1990	0
Sep 1990	0
Aug 1990	0
Jul 1990	0
Jun 1990	0
May 1990	0
Apr 1990	0
Mar 1990	0
Feb 1990	0
Jan 1990	0
Dec 1989	0
Nov 1989	0
Oct 1989	0
Sep 1989	0
Aug 1989	0
Jul 1989	0
Jun 1989	0
May 1989	0
Apr 1989	0
Mar 1989	0
Feb 1989	0
Jan 1989	0
Dec 1988	0
Nov 1988	0
Oct 1988	0
Sep 1988	0
Aug 1988	0
Jul 1988	0
Jun 1988	0
May 1988	0
Apr 1988	0
Mar 1988	0
Feb 1988	0
Jan 1988	0
Dec 1987	0
Nov 1987	0
Oct 1987	0
Sep 1987	0
Aug 1987	0
Jul 1987	0
Jun 1987	0
May 1987	0
Apr 1987	0
Mar 1987	0
Feb 1987	0
Jan 1987	0
Dec 1986	0
Nov 1986	0
Oct 1986	0
Sep 1986	0
Aug 1986	0
Jul 1986	0
Jun 1986	0
May 1986	0
Apr 1986	0
Mar 1986	0
Feb 1986	0
Jan 1986	0
Nov 1985	0
Oct 1985	0
Sep 1985	0
Aug 1985	0
Jul 1985	0
Jun 1985	0
Jan 1985	0
Dec 1984	0
Nov 1984	0
Oct 1984	0
Sep 1984	0
Aug 1984	0
Jul 1984	0
Jun 1984	0
May 1984	0
Apr 1984	0
Mar 1984	0
Feb 1984	0
Dec 1983	0
Nov 1983	0
Oct 1983	0
Sep 1983	0
Aug 1983	0
Jul 1983	0
Jun 1983	0
May 1983	0
Apr 1983	33
Mar 1983	0
Feb 1983	10
Jan 1983	723

Lease-level volumes as filed with the Michigan Department of Environment, Great Lakes, and Energy.

Monthly gas sold production

203 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jan 1983 to Dec 2025. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output. This is gas SOLD, which is what left the unit. Michigan files no produced-gas volume, so the two are not the same number and this page does not present one as the other.

Total over the months shown

296,692 MCF

Months filed

203

Month	Gas sold (MCF)
Dec 2025	0
Dec 2024	0
Dec 2023	0
Dec 2022	0
Dec 2021	0
Dec 2014	0
Dec 2013	0
Dec 2011	0
Dec 2010	0
Dec 2009	0
Dec 2006	0
Jul 2000	0
Jun 2000	0
May 2000	0
Apr 2000	0
Mar 2000	0
Feb 2000	0
Jan 2000	0
Apr 1999	0
Mar 1999	0
Dec 1998	0
Nov 1998	0
Sep 1998	0
Aug 1998	0
Jul 1998	0
Jun 1998	0
May 1998	0
Apr 1998	0
Mar 1998	0
Feb 1998	0
Jan 1998	0
Dec 1997	0
Nov 1997	0
Oct 1997	0
Sep 1997	0
Aug 1997	0
Jul 1997	0
Jun 1997	0
May 1997	0
Apr 1997	0
Mar 1997	0
Feb 1997	0
Jan 1997	0
Dec 1996	0
Nov 1996	0
Oct 1996	0
Sep 1996	0
Aug 1996	0
Jul 1996	0
Jun 1996	0
May 1996	0
Apr 1996	0
Mar 1996	0
Feb 1996	0
Jan 1996	0
Dec 1995	0
Nov 1995	0
Oct 1995	0
Sep 1995	0
Aug 1995	0
Jul 1995	0
Jun 1995	1,938
May 1995	1,480
Apr 1995	0
Mar 1995	0
Feb 1995	0
Jan 1995	0
Dec 1994	164
Nov 1994	452
Oct 1994	623
Sep 1994	3,605
Aug 1994	129
Jul 1994	521
Jun 1994	480
May 1994	10
Apr 1994	848
Mar 1994	3,271
Feb 1994	2,481
Dec 1993	2,207
Nov 1993	195
Oct 1993	4,277
Sep 1993	1,832
Aug 1993	1,706
Jul 1993	7,442
Jun 1993	9,737
May 1993	10,229
Apr 1993	0
Mar 1993	0
Feb 1993	0
Jan 1993	0
Dec 1992	0
Nov 1992	0
Sep 1992	0
Aug 1992	0
Jul 1992	0
Jun 1992	0
May 1992	0
Apr 1992	0
Mar 1992	0
Feb 1992	0
Jan 1992	0
Dec 1991	0
Nov 1991	0
Oct 1991	0
Sep 1991	0
Aug 1991	0
Jul 1991	0
Jun 1991	0
May 1991	0
Apr 1991	0
Mar 1991	0
Feb 1991	0
Jan 1991	0
Dec 1990	0
Nov 1990	0
Oct 1990	0
Sep 1990	0
Aug 1990	0
Jul 1990	0
Jun 1990	0
May 1990	0
Apr 1990	0
Mar 1990	0
Feb 1990	0
Jan 1990	0
Dec 1989	0
Nov 1989	0
Oct 1989	0
Sep 1989	0
Aug 1989	0
Jul 1989	0
Jun 1989	0
May 1989	0
Apr 1989	354
Mar 1989	159
Feb 1989	0
Jan 1989	364
Dec 1988	2,705
Nov 1988	2,028
Oct 1988	733
Sep 1988	240
Aug 1988	135
Jul 1988	11
Jun 1988	21
May 1988	305
Apr 1988	1,494
Mar 1988	10,013
Feb 1988	9,185
Jan 1988	0
Dec 1987	0
Nov 1987	0
Oct 1987	810
Sep 1987	3,919
Aug 1987	1,409
Jul 1987	1,976
Jun 1987	1,340
May 1987	1,483
Apr 1987	1,436
Mar 1987	2,283
Feb 1987	916
Jan 1987	1,081
Dec 1986	2,016
Nov 1986	1,672
Oct 1986	1,521
Sep 1986	1,362
Aug 1986	1,864
Jul 1986	2,058
Jun 1986	2,820
May 1986	3,370
Apr 1986	3,346
Mar 1986	1,277
Feb 1986	0
Jan 1986	0
Nov 1985	307
Oct 1985	1,942
Sep 1985	1,933
Aug 1985	3,290
Jul 1985	4,449
Jun 1985	3,277
Jan 1985	2,539
Dec 1984	3,003
Nov 1984	2,903
Oct 1984	3,698
Sep 1984	4,346
Aug 1984	4,699
Jul 1984	5,240
Jun 1984	4,762
May 1984	4,242
Apr 1984	5,916
Mar 1984	7,978
Feb 1984	2,636
Dec 1983	1,567
Nov 1983	6,295
Oct 1983	9,766
Sep 1983	3,316
Aug 1983	8,876
Jul 1983	12,500
Jun 1983	9,560
May 1983	10,555
Apr 1983	12,384
Mar 1983	12,593
Feb 1983	11,018
Jan 1983	11,769

Lease-level volumes as filed with the Michigan Department of Environment, Great Lakes, and Energy.

Wells on this lease

1 well the state's well register assigns to this lease. Every one has a page. Michigan files the dates a well entered and left the unit, and a unit's members include injection, observation and dry holes — a member is not a producer.

Well	No.	Type	Operator	Status	In the unit
PIEPKOW, PAUL ET UX	1-12	Natural Gas Well	PIEPKOW FARMS LLC	Producing	Dec 1972 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 2028.