KEN HOLSMAN
Lease 1001139189 · Graham County, Kansas · SWSWSW Sec 12 T7S R21W · DOR 128048
Oil1988–20172 wells
Operator
Ritchie Exploration, Inc.
Cumulative (state figure)
91,146.24 bbl
First production
1988
Last production
2017
Location (PLSS)
SWSWSW Sec 12 T7S R21W
Monthly oil production
161 months filed with the Kansas Geological Survey, Jan 1988 to May 2017. 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
91,146.20 bbl
Months filed
161
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| May 2017 | 18.17 | 1 |
| Mar 2015 | 9.00 | 1 |
| Mar 2014 | 85.19 | 1 |
| Jul 2013 | 118.88 | 1 |
| Jan 2013 | 160.70 | 1 |
| Jun 2012 | 159.28 | 1 |
| Nov 2011 | 160.54 | 1 |
| Apr 2011 | 160.15 | 1 |
| Oct 2010 | 159.55 | 1 |
| Mar 2010 | 158.14 | 1 |
| Sep 2009 | 158.18 | 1 |
| Mar 2009 | 163.06 | 1 |
| Sep 2008 | 159.33 | 1 |
| Mar 2008 | 162.36 | 1 |
| Sep 2007 | 155.37 | 1 |
| Apr 2007 | 161.51 | 1 |
| Nov 2006 | 160.08 | 1 |
| Jun 2006 | 160.48 | 1 |
| Jan 2006 | 161.85 | 1 |
| Aug 2005 | 159.28 | 1 |
| Apr 2005 | 162.75 | 1 |
| Dec 2004 | 159.53 | 1 |
| Aug 2004 | 154.29 | 1 |
| May 2004 | 12.16 | 1 |
| Apr 2004 | 158.37 | 1 |
| Dec 2003 | 156.30 | 1 |
| Oct 2003 | 40.24 | 1 |
| Aug 2003 | 158.07 | 1 |
| Apr 2003 | 161.99 | 1 |
| Dec 2002 | 157.47 | 1 |
| Aug 2002 | 161.19 | 1 |
| May 2002 | 159.73 | 1 |
| Jan 2002 | 159.42 | 1 |
| Oct 2001 | 165.03 | 1 |
| Jul 2001 | 157.96 | 1 |
| Apr 2001 | 163.22 | 1 |
| Jan 2001 | 158.97 | 1 |
| Oct 2000 | 162.87 | 1 |
| Aug 2000 | 158.90 | 1 |
| May 2000 | 162.55 | 1 |
| Feb 2000 | 160.11 | 1 |
| Dec 1999 | 165.41 | 1 |
| Sep 1999 | 159.13 | 1 |
| Jul 1999 | 160.27 | 1 |
| May 1999 | 161.03 | 1 |
| Apr 1999 | 162.54 | 1 |
| Jan 1999 | 163.71 | 1 |
| Dec 1998 | 184.58 | 1 |
| Oct 1998 | 161.57 | 1 |
| Jul 1998 | 157.78 | 1 |
| May 1998 | 160.22 | 1 |
| Apr 1998 | 161.28 | 1 |
| Jan 1998 | 166.34 | 1 |
| Nov 1997 | 161.67 | 1 |
| Sep 1997 | 161.45 | 1 |
| Jul 1997 | 155.75 | 1 |
| Jun 1997 | 161.10 | 1 |
| Apr 1997 | 160.20 | 1 |
| Mar 1997 | 161.81 | 1 |
| Jan 1997 | 163.12 | 1 |
| Nov 1996 | 161.96 | 1 |
| Oct 1996 | 158.90 | 1 |
| Aug 1996 | 161.11 | 1 |
| Jul 1996 | 157.55 | 1 |
| Jun 1996 | 160.38 | 1 |
| May 1996 | 158.62 | 1 |
| Mar 1996 | 162.32 | 1 |
| Feb 1996 | 161.69 | 1 |
| Jan 1996 | 164.53 | 1 |
| Nov 1995 | 161.00 | 1 |
| Oct 1995 | 160.00 | 1 |
| Sep 1995 | 160.00 | 1 |
| Aug 1995 | 162.00 | 1 |
| Jul 1995 | 159.00 | 1 |
| May 1995 | 328.00 | 1 |
| Mar 1995 | 162.00 | 1 |
| Feb 1995 | 166.00 | 1 |
| Jan 1995 | 167.00 | 1 |
| Dec 1994 | 166.00 | 1 |
| Nov 1994 | 166.00 | 1 |
| Oct 1994 | 164.00 | 1 |
| Sep 1994 | 164.00 | 1 |
| Aug 1994 | 160.00 | 1 |
| Jul 1994 | 164.00 | 1 |
| Jun 1994 | 161.00 | 1 |
| May 1994 | 161.00 | 1 |
| Apr 1994 | 165.00 | 1 |
| Mar 1994 | 317.00 | 1 |
| Feb 1994 | 182.00 | 1 |
| Jan 1994 | 333.00 | 1 |
| Nov 1993 | 334.00 | 1 |
| Oct 1993 | 166.00 | 1 |
| Sep 1993 | 157.00 | 1 |
| Aug 1993 | 327.00 | 1 |
| Jul 1993 | 166.00 | 1 |
| Jun 1993 | 332.00 | 1 |
| May 1993 | 168.00 | 1 |
| Apr 1993 | 337.00 | 1 |
| Mar 1993 | 339.00 | 1 |
| Feb 1993 | 168.00 | 1 |
| Jan 1993 | 340.00 | 1 |
| Dec 1992 | 339.00 | 1 |
| Nov 1992 | 168.00 | 1 |
| Oct 1992 | 317.00 | 1 |
| Sep 1992 | 356.00 | 1 |
| Aug 1992 | 335.00 | 1 |
| Jul 1992 | 330.00 | 1 |
| Jun 1992 | 334.00 | 1 |
| May 1992 | 501.00 | 1 |
| Apr 1992 | 336.00 | 1 |
| Mar 1992 | 339.00 | 1 |
| Feb 1992 | 500.00 | 1 |
| Jan 1992 | 330.00 | 1 |
| Dec 1991 | 491.00 | 1 |
| Nov 1991 | 508.00 | 1 |
| Oct 1991 | 338.00 | 1 |
| Sep 1991 | 502.00 | 1 |
| Aug 1991 | 495.00 | 1 |
| Jul 1991 | 647.00 | 1 |
| Jun 1991 | 499.00 | 1 |
| May 1991 | 492.00 | 1 |
| Apr 1991 | 670.00 | 1 |
| Mar 1991 | 679.00 | 1 |
| Feb 1991 | 680.00 | 1 |
| Jan 1991 | 507.00 | 1 |
| Dec 1990 | 822.00 | 1 |
| Nov 1990 | 501.00 | 1 |
| Oct 1990 | 504.00 | 1 |
| Sep 1990 | 666.00 | 1 |
| Aug 1990 | 663.00 | 1 |
| Jul 1990 | 497.00 | 1 |
| Jun 1990 | 657.00 | 1 |
| May 1990 | 652.00 | 1 |
| Apr 1990 | 842.00 | 1 |
| Mar 1990 | 673.00 | 1 |
| Feb 1990 | 825.00 | 1 |
| Jan 1990 | 850.00 | 1 |
| Dec 1989 | 833.00 | 1 |
| Nov 1989 | 986.00 | 1 |
| Oct 1989 | 1,159.00 | 1 |
| Sep 1989 | 1,003.00 | 1 |
| Aug 1989 | 1,323.00 | 1 |
| Jul 1989 | 1,453.00 | 1 |
| Jun 1989 | 1,309.00 | 1 |
| May 1989 | 1,654.00 | 1 |
| Apr 1989 | 1,755.00 | 1 |
| Mar 1989 | 2,016.00 | 1 |
| Feb 1989 | 1,843.00 | 1 |
| Jan 1989 | 2,149.00 | 1 |
| Dec 1988 | 2,608.00 | 1 |
| Nov 1988 | 2,834.00 | 1 |
| Oct 1988 | 3,458.00 | 1 |
| Sep 1988 | 3,454.00 | 1 |
| Aug 1988 | 3,436.00 | 1 |
| Jul 1988 | 3,533.00 | 1 |
| Jun 1988 | 3,595.00 | 1 |
| May 1988 | 3,453.00 | 1 |
| Apr 1988 | 3,284.00 | 1 |
| Mar 1988 | 3,386.00 | 1 |
| Feb 1988 | 2,878.00 | 1 |
| Jan 1988 | 1,719.00 | 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
2 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| KEN HOLSMAN | 1 | Ritchie Exploration, Inc. | Recompleted |
| KEN HOLSMAN | 1 | Ritchie Exploration, Inc. | Plugged and Abandoned |
Location
39.453342, -99.619043 · SWSWSW Sec 12 T7S R21W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001139189. The state’s own record.