YANSKA LEASE

Lease 7967 · GRAND TRAVERSE County, Michigan · Grant 12 A - 25N - 12W field · Brown Niagaran

OilWater1987–20042 wells

Operator (latest)

O I L NIAGARAN LLC

Field

Grant 12 A - 25N - 12W

Formation

Brown Niagaran

Field type (as filed)

First production

1987

Last production

2004

Operators

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

Operator	From	To
O I L NIAGARAN LLC	Jan 2000	Sep 2004
O I L ENERGY CORP	Jan 1995	Dec 1999
MACK OIL CORP	Jan 1992	Dec 1994
O I L ENERGY CORP	Jun 1987	Sep 1987

Monthly oil production

157 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jun 1987 to Sep 2004. 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

30,605 bbl

Months filed

157

Month	Oil (bbl)
Sep 2004	0
Aug 2004	0
Jul 2004	0
Jun 2004	-12
May 2004	30
Apr 2004	65
Mar 2004	27
Feb 2004	0
Jan 2004	25
Dec 2003	15
Nov 2003	40
Oct 2003	62
Sep 2003	77
Aug 2003	0
Jul 2003	0
Jun 2003	13
May 2003	27
Apr 2003	58
Mar 2003	23
Feb 2003	19
Jan 2003	41
Dec 2002	57
Nov 2002	103
Oct 2002	-48
Sep 2002	2
Aug 2002	0
Jul 2002	54
Jun 2002	193
May 2002	16
Apr 2002	5
Mar 2002	104
Feb 2002	139
Jan 2002	162
Dec 2001	222
Nov 2001	38
Oct 2001	124
Sep 2001	89
Aug 2001	125
Jul 2001	136
Jun 2001	160
May 2001	164
Apr 2001	161
Mar 2001	155
Feb 2001	165
Jan 2001	211
Dec 2000	145
Nov 2000	156
Oct 2000	160
Sep 2000	177
Aug 2000	170
Jul 2000	258
Jun 2000	105
May 2000	259
Apr 2000	198
Mar 2000	259
Feb 2000	226
Jan 2000	286
Dec 1999	286
Nov 1999	455
Oct 1999	603
Sep 1999	0
Aug 1999	0
Jul 1999	-7
Jun 1999	11
May 1999	602
Apr 1999	0
Mar 1999	0
Feb 1999	0
Jan 1999	0
Dec 1998	0
Nov 1998	159
Oct 1998	540
Sep 1998	0
Aug 1998	0
Jul 1998	0
Jun 1998	23
May 1998	405
Apr 1998	0
Mar 1998	0
Feb 1998	0
Jan 1998	104
Dec 1997	240
Nov 1997	270
Oct 1997	301
Sep 1997	450
Aug 1997	177
Jul 1997	182
Jun 1997	165
May 1997	229
Apr 1997	561
Mar 1997	0
Feb 1997	0
Jan 1997	57
Dec 1996	285
Nov 1996	371
Oct 1996	476
Sep 1996	291
Aug 1996	233
Jul 1996	270
Jun 1996	342
May 1996	490
Apr 1996	603
Mar 1996	0
Feb 1996	0
Jan 1996	0
Dec 1995	26
Nov 1995	260
Oct 1995	544
Sep 1995	800
Aug 1995	0
Jul 1995	451
Jun 1995	577
May 1995	1,053
Apr 1995	118
Mar 1995	0
Feb 1995	42
Jan 1995	390
Dec 1994	0
Nov 1994	0
Oct 1994	0
Sep 1994	0
Aug 1994	565
Jul 1994	0
Jun 1994	0
May 1994	503
Apr 1994	915
Mar 1994	0
Feb 1994	0
Jan 1994	0
Dec 1993	0
Nov 1993	410
Oct 1993	472
Sep 1993	451
Aug 1993	726
Jul 1993	440
Jun 1993	730
May 1993	1,122
Apr 1993	473
Mar 1993	0
Feb 1993	0
Jan 1993	0
Dec 1992	0
Nov 1992	439
Oct 1992	634
Sep 1992	0
Aug 1992	867
Jul 1992	0
Jun 1992	935
May 1992	0
Apr 1992	669
Mar 1992	1,371
Feb 1992	0
Jan 1992	2
Sep 1987	0
Aug 1987	0
Jul 1987	0
Jun 1987	0

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

Monthly water production

Total over the months shown

19,609 bbl

Months filed

157

Month	Water (bbl)
Sep 2004	0
Aug 2004	0
Jul 2004	0
Jun 2004	0
May 2004	0
Apr 2004	96
Mar 2004	49
Feb 2004	0
Jan 2004	42
Dec 2003	2
Nov 2003	67
Oct 2003	126
Sep 2003	122
Aug 2003	0
Jul 2003	0
Jun 2003	30
May 2003	31
Apr 2003	81
Mar 2003	40
Feb 2003	76
Jan 2003	85
Dec 2002	98
Nov 2002	232
Oct 2002	84
Sep 2002	40
Aug 2002	0
Jul 2002	134
Jun 2002	274
May 2002	19
Apr 2002	11
Mar 2002	182
Feb 2002	263
Jan 2002	313
Dec 2001	457
Nov 2001	50
Oct 2001	115
Sep 2001	178
Aug 2001	245
Jul 2001	2,654
Jun 2001	240
May 2001	316
Apr 2001	248
Mar 2001	270
Feb 2001	218
Jan 2001	285
Dec 2000	264
Nov 2000	309
Oct 2000	373
Sep 2000	292
Aug 2000	310
Jul 2000	259
Jun 2000	273
May 2000	130
Apr 2000	349
Mar 2000	446
Feb 2000	450
Jan 2000	439
Dec 1999	600
Nov 1999	778
Oct 1999	803
Sep 1999	0
Aug 1999	0
Jul 1999	0
Jun 1999	67
May 1999	257
Apr 1999	0
Mar 1999	0
Feb 1999	0
Jan 1999	0
Dec 1998	0
Nov 1998	294
Oct 1998	740
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	156
Dec 1997	461
Nov 1997	426
Oct 1997	496
Sep 1997	701
Aug 1997	777
Jul 1997	310
Jun 1997	384
May 1997	476
Apr 1997	216
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
Jan 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
Oct 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
Sep 1987	0
Aug 1987	0
Jul 1987	0
Jun 1987	0

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

Wells on this lease

2 wells 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
YANSKA	4-12B	Oil Well	O I L NIAGARAN LLC	Plugging Approved	Jan 1992 — Sep 2004
YANSKA	6-12A	Oil Well	O I L NIAGARAN LLC	Plugging Approved	Jan 1992 — Oct 2002

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 7967.