THEIS
Lease 1001175043 · Leavenworth County, Kansas · Sec 13 T8S R21E · DOR 121371
Oil1990–20259 wells
Operator
The Sylvester Oil Co, LLC
Cumulative (state figure)
19,755.34 bbl
First production
1990
Last production
2025
Location (PLSS)
Sec 13 T8S R21E
Monthly oil production
141 months filed with the Kansas Geological Survey, Jan 1990 to Aug 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
19,755.30 bbl
Months filed
141
Most wells in a month
6
| Month | Oil (bbl) | Wells |
|---|---|---|
| Aug 2025 | 136.79 | 1 |
| Dec 2024 | 150.10 | 1 |
| Jul 2024 | 151.39 | 1 |
| Aug 2023 | 146.85 | 2 |
| Oct 2022 | 159.59 | 2 |
| Apr 2019 | 143.24 | 5 |
| Jun 2018 | 153.92 | 5 |
| Oct 2017 | 150.48 | 5 |
| Feb 2016 | 150.95 | 5 |
| Mar 2015 | 156.65 | 5 |
| May 2014 | 148.05 | 6 |
| Oct 2013 | 148.66 | 6 |
| Jun 2013 | 150.24 | 6 |
| Mar 2013 | 145.34 | 6 |
| Nov 2012 | 139.33 | 6 |
| Aug 2012 | 151.19 | 6 |
| Apr 2012 | 145.93 | 6 |
| Jan 2012 | 136.50 | 6 |
| Nov 2011 | 153.48 | 6 |
| Jul 2011 | 152.64 | 6 |
| Apr 2011 | 148.24 | 6 |
| Jan 2011 | 142.48 | 6 |
| Oct 2010 | 151.75 | 6 |
| Aug 2010 | 148.36 | 6 |
| May 2010 | 148.45 | 6 |
| Jan 2010 | 153.03 | 6 |
| Oct 2009 | 152.91 | 6 |
| Jul 2009 | 147.39 | 6 |
| May 2009 | 143.28 | 6 |
| Feb 2009 | 83.49 | 6 |
| Jan 2009 | 151.72 | 6 |
| Oct 2008 | 147.43 | 6 |
| Aug 2008 | 149.81 | 6 |
| May 2008 | 153.22 | 6 |
| Mar 2008 | 161.63 | 6 |
| Nov 2007 | 145.41 | 6 |
| Sep 2007 | 148.78 | 6 |
| Jul 2007 | 147.92 | 6 |
| May 2007 | 164.12 | 6 |
| Jan 2007 | 142.58 | 6 |
| Oct 2006 | 151.69 | 6 |
| May 2006 | 147.22 | 6 |
| Feb 2006 | 156.68 | 6 |
| Aug 2005 | 144.06 | 6 |
| Jul 2005 | 159.35 | 6 |
| Mar 2005 | 171.75 | 6 |
| Nov 2004 | 152.36 | 6 |
| Sep 2004 | 153.73 | 6 |
| Jul 2004 | 153.90 | 6 |
| May 2004 | 144.02 | 6 |
| Mar 2004 | 150.56 | 6 |
| Dec 2003 | 155.58 | 6 |
| Sep 2003 | 138.01 | 6 |
| Jul 2003 | 104.18 | 6 |
| Jun 2003 | 152.06 | 6 |
| Apr 2003 | 149.22 | 6 |
| Mar 2003 | 48.76 | 6 |
| Dec 2002 | 128.55 | 6 |
| Oct 2002 | 95.05 | 6 |
| Sep 2002 | 94.88 | 6 |
| Aug 2002 | 27.97 | 6 |
| Jul 2002 | 96.11 | 6 |
| Jun 2002 | 115.19 | 6 |
| Mar 2002 | 94.04 | 6 |
| Jan 2002 | 58.01 | 6 |
| Dec 2001 | 60.11 | 6 |
| Nov 2001 | 57.76 | 6 |
| Oct 2001 | 152.66 | 6 |
| Aug 2001 | 123.23 | 6 |
| Jun 2001 | 143.01 | 6 |
| May 2001 | 145.45 | 6 |
| Mar 2001 | 142.65 | 6 |
| Jan 2001 | 143.12 | 6 |
| Nov 2000 | 72.68 | 6 |
| Sep 2000 | 79.62 | 6 |
| Aug 2000 | 91.41 | 6 |
| Jul 2000 | 44.95 | 6 |
| Jun 2000 | 61.34 | 6 |
| May 2000 | 82.27 | 6 |
| Apr 2000 | 84.74 | 6 |
| Mar 2000 | 81.31 | 6 |
| Feb 2000 | 136.88 | 6 |
| Jan 2000 | 64.14 | 6 |
| Dec 1999 | 41.51 | 6 |
| Nov 1999 | 62.50 | 6 |
| Oct 1999 | 63.86 | 6 |
| Sep 1999 | 52.62 | 6 |
| Aug 1999 | 88.36 | 6 |
| Jul 1999 | 66.17 | 6 |
| Jun 1999 | 146.26 | 6 |
| May 1999 | 144.09 | 6 |
| Mar 1999 | 263.90 | 6 |
| Dec 1998 | 63.12 | 6 |
| Nov 1998 | 153.82 | 6 |
| Oct 1998 | 142.07 | 6 |
| Aug 1998 | 254.49 | 6 |
| Jun 1998 | 147.71 | 6 |
| May 1998 | 149.64 | 6 |
| Apr 1998 | 139.68 | 6 |
| Mar 1998 | 41.01 | 6 |
| Feb 1998 | 140.40 | 6 |
| Jan 1998 | 147.38 | 6 |
| Nov 1997 | 79.44 | 6 |
| Oct 1997 | 251.32 | 6 |
| Aug 1997 | 144.18 | 6 |
| Jul 1997 | 144.97 | 6 |
| Jun 1997 | 274.95 | 6 |
| Apr 1997 | 136.30 | 6 |
| Mar 1997 | 246.19 | 6 |
| Feb 1997 | 132.98 | 6 |
| Dec 1996 | 131.89 | 1 |
| Nov 1996 | 140.89 | 1 |
| Oct 1996 | 239.04 | 1 |
| Sep 1996 | 146.53 | 1 |
| Aug 1996 | 237.69 | 1 |
| Jul 1996 | 141.12 | 1 |
| Jun 1996 | 195.06 | 1 |
| May 1996 | 393.00 | 1 |
| Apr 1996 | 304.02 | 1 |
| Mar 1996 | 243.60 | 5 |
| May 1994 | 62.00 | 6 |
| Sep 1993 | 151.00 | 6 |
| Jun 1993 | 152.00 | 6 |
| Jan 1993 | 149.00 | 6 |
| Oct 1992 | 142.00 | 6 |
| Aug 1992 | 155.00 | 6 |
| May 1992 | 149.00 | 6 |
| Mar 1992 | 146.00 | 6 |
| Jan 1992 | 156.00 | 6 |
| Dec 1991 | 149.00 | 6 |
| Oct 1991 | 43.00 | 6 |
| Jul 1991 | 153.00 | 6 |
| Jun 1991 | 148.00 | 6 |
| Mar 1991 | 287.00 | 6 |
| Dec 1990 | 146.00 | 6 |
| Sep 1990 | 136.00 | 6 |
| Aug 1990 | 132.00 | 6 |
| Jul 1990 | 144.00 | 6 |
| May 1990 | 146.00 | 6 |
| Apr 1990 | 152.00 | 6 |
| Jan 1990 | 152.00 | 6 |
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
9 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| THEIS | 1 | Remco Energy Corporation | Recompleted |
| THEIS | 1 | The Sylvester Oil Co, LLC | Producing |
| THEIS | 2 | The Sylvester Oil Co, LLC | Producing |
| THEIS | 3 | Daystar Petroleum, Inc. | Recompleted |
| Theis | 3 | The Sylvester Oil Co, LLC | Authorized Injection Well |
| THEIS | 4 | Remco Energy Corporation | Recompleted |
| THEIS | 4 | The Sylvester Oil Co, LLC | Producing |
| THEIS | 5 | The Sylvester Oil Co, LLC | Producing |
| THEIS | 6 | The Sylvester Oil Co, LLC | Producing |
Location
39.353558, -95.020462 · Sec 13 T8S R21E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001175043. The state’s own record.