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SPILKER 'D'

Lease 1001117604 · Trego County, Kansas · Sec 1 T13S R21W · DOR 108151

Oil1955–1987
Operator
VONFELDT OIL OPE
Cumulative (state figure)
160,006 bbl
First production
1955
Last production
1987
Location (PLSS)
Sec 1 T13S R21W

Monthly oil production

62 months filed with the Kansas Geological Survey, Jan 1980 to Jul 1987. 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
16,172 bbl
Months filed
62
Most wells in a month
2

This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 160,006 bbl.

MonthOil (bbl)Wells
Jul 19872082
Jun 19862192
Apr 19862202
Jan 19862182
Nov 19852192
Aug 19852122
Jun 19852162
Apr 19852232
Jan 19852172
Nov 19842222
Sep 19842122
Jun 19842182
May 19842182
Apr 19842092
Feb 19842222
Jan 19842162
Dec 19832202
Nov 19832132
Sep 19832182
Aug 19832132
Jul 19834352
Jun 19832202
May 19834422
Apr 19832192
Mar 19832222
Feb 19832202
Jan 19834442
Dec 19822212
Nov 19822222
Sep 19824372
Aug 19822202
Jul 19822182
Jun 19822192
May 19822192
Apr 19822212
Mar 19822192
Feb 19822192
Jan 19822182
Dec 19814472
Nov 19812232
Oct 19812202
Sep 19812092
Aug 19812172
Jul 19814382
Jun 19812192
May 19812212
Apr 19814222
Mar 19812232
Feb 19812222
Jan 19812192
Dec 19804442
Nov 19802172
Oct 19804392
Sep 19802192
Aug 19804352
Jul 19802172
Jun 19802202
May 19804402
Apr 19802212
Mar 19804372
Feb 19802202
Jan 19802152

Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.

Wells on this lease

The state’s well register assigns no well to this lease. 23,174 of 98,639 Kansas leases are in that position — a lease is a production unit, and the register does not always name the holes under it.

Location

38.950150, -99.603653 · Sec 1 T13S R21W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001117604. The state’s own record.