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SPAVEN

Lease 7639 · LAPEER County, Michigan · Marathon field · Detroit River

Gas sold1984–19871 well
Operator
ONYX OIL AND GAS CORP
Field
Marathon
Formation
Detroit River
Field type (as filed)
O
First production
1984
Last production
1987

Monthly gas sold production

36 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jun 1984 to Sep 1987. 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
23,967 MCF
Months filed
36

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1966, and the monthly series below begins in Jun 1984. The total above covers the months shown, not the life of the unit.

MonthGas sold (MCF)
Sep 1987523
Aug 1987427
Jul 1987423
Jun 1987533
May 1987590
Apr 1987567
Mar 1987787
Feb 1987653
Jan 1987879
Dec 1986776
Nov 1986726
Oct 1986942
Sep 1986663
Aug 1986866
Jul 1986883
Jun 1986617
May 1986819
Apr 1986619
Mar 1986212
Feb 1986607
Jan 1986765
Dec 1985617
Nov 1985595
Oct 1985773
Sep 1985532
Aug 1985885
Jul 1985700
Jun 1985531
May 1985416
Apr 1985629
Mar 1985821
Feb 1985585
Jan 1985622
Sep 1984558
Aug 1984868
Jun 1984958

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.

WellNo.TypeOperatorStatusIn the unit
SPAVEN, WALTER1Oil WellONYX OIL AND GAS CORPPlugging ApprovedSep 1966 — Dec 2003

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 7639.