MADDEN
Lease 1021018275 · Ellis County, Kansas · Sec 2 T11S R20W · DOR 135095
Oil2000–2004
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
11,501.75 bbl
First production
2000
Last production
2004
Location (PLSS)
Sec 2 T11S R20W
Monthly oil production
16 months filed with the Kansas Geological Survey, Jun 2000 to May 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
11,501.80 bbl
Months filed
16
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| May 2004 | 207.41 | 1 |
| Feb 2004 | 157.38 | 1 |
| Oct 2003 | 164.95 | 1 |
| May 2003 | 163.90 | 1 |
| Jan 2003 | 155.27 | 1 |
| Nov 2002 | 165.39 | 1 |
| Jul 2002 | 168.11 | 1 |
| Feb 2002 | 66.47 | 1 |
| Jan 2002 | 167.24 | 1 |
| Oct 2001 | 160.56 | 1 |
| Jul 2001 | 161.90 | 1 |
| Apr 2001 | 165.92 | 1 |
| Jan 2001 | 172.09 | 1 |
| Dec 2000 | 92.26 | 1 |
| Sep 2000 | 165.10 | 1 |
| Jun 2000 | 9,167.80 | 1 |
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
39.124909, -99.508816 · Sec 2 T11S R20W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1021018275. The state’s own record.