STUDER (A-1)
Lease 1001136608 · Pratt County, Kansas · NENENW Sec 9 T27S R12W · DOR 123395
Oil1985–20264 wells
Operator
Apollo Energies, Inc.
Cumulative (state figure)
135,717.08 bbl
First production
1985
Last production
2026
Location (PLSS)
NENENW Sec 9 T27S R12W
Monthly oil production
285 months filed with the Kansas Geological Survey, May 1985 to Apr 2026. 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
135,717.10 bbl
Months filed
285
Most wells in a month
4
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 153.26 | 4 |
| Jan 2026 | 153.97 | 4 |
| Jul 2025 | 175.04 | 4 |
| May 2025 | 170.13 | 4 |
| Jan 2025 | 170.88 | 4 |
| Nov 2024 | 170.36 | 4 |
| Jul 2024 | 164.54 | 4 |
| May 2024 | 168.50 | 4 |
| Mar 2024 | 172.34 | 4 |
| Nov 2023 | 165.02 | 3 |
| Sep 2023 | 171.40 | 3 |
| Jul 2023 | 175.59 | 3 |
| May 2023 | 160.15 | 3 |
| Feb 2023 | 161.96 | 3 |
| Sep 2022 | 149.82 | 3 |
| Jul 2022 | 171.50 | 3 |
| Mar 2022 | 161.92 | 3 |
| Dec 2021 | 166.41 | 3 |
| Oct 2021 | 195.23 | 3 |
| Aug 2021 | 184.52 | 3 |
| Apr 2021 | 161.27 | 3 |
| Mar 2021 | 178.78 | 3 |
| Dec 2020 | 177.45 | 3 |
| Nov 2020 | 173.00 | 3 |
| Aug 2020 | 177.56 | 3 |
| Jul 2020 | 177.70 | 3 |
| Jun 2020 | 190.85 | 3 |
| Mar 2020 | 179.49 | 3 |
| Feb 2020 | 181.50 | 3 |
| May 2019 | 173.77 | 2 |
| Sep 2018 | 178.07 | 2 |
| Jun 2018 | 163.98 | 2 |
| Apr 2018 | 172.50 | 4 |
| Feb 2018 | 193.07 | 4 |
| Dec 2017 | 348.88 | 4 |
| Nov 2017 | 178.23 | 4 |
| Oct 2017 | 174.29 | 4 |
| Mar 2011 | 61.99 | 4 |
| Jan 2011 | 30.54 | 4 |
| Dec 2010 | 22.62 | 4 |
| Nov 2010 | 25.05 | 4 |
| Oct 2010 | 40.21 | 4 |
| Sep 2010 | 26.49 | 4 |
| Aug 2010 | 48.59 | 4 |
| Jul 2010 | 64.81 | 4 |
| Jun 2010 | 78.96 | 4 |
| May 2010 | 77.92 | 4 |
| Apr 2010 | 97.48 | 4 |
| Mar 2010 | 62.97 | 4 |
| Feb 2010 | 56.27 | 4 |
| Jan 2010 | 58.46 | 4 |
| Dec 2009 | 39.97 | 4 |
| Nov 2009 | 91.48 | 4 |
| Oct 2009 | 53.34 | 4 |
| Sep 2009 | 68.57 | 4 |
| Aug 2009 | 69.91 | 4 |
| Jul 2009 | 68.42 | 4 |
| Jun 2009 | 77.82 | 4 |
| May 2009 | 136.00 | 4 |
| Mar 2009 | 87.80 | 4 |
| Feb 2009 | 75.15 | 4 |
| Jan 2009 | 96.66 | 4 |
| Dec 2008 | 63.23 | 4 |
| Nov 2008 | 147.72 | 4 |
| Sep 2008 | 75.08 | 4 |
| Aug 2008 | 79.90 | 4 |
| Jul 2008 | 81.01 | 4 |
| Jun 2008 | 88.18 | 4 |
| May 2008 | 87.54 | 4 |
| Apr 2008 | 131.76 | 4 |
| Mar 2008 | 164.71 | 4 |
| Feb 2008 | 173.80 | 4 |
| Nov 2007 | 65.91 | 4 |
| Oct 2007 | 140.11 | 4 |
| Sep 2007 | 143.88 | 4 |
| Jul 2007 | 114.50 | 4 |
| May 2007 | 87.60 | 4 |
| Mar 2007 | 109.06 | 4 |
| Dec 2006 | 205.19 | 4 |
| Oct 2006 | 125.60 | 4 |
| Aug 2006 | 120.39 | 4 |
| Jun 2006 | 84.00 | 4 |
| May 2006 | 171.50 | 4 |
| Mar 2006 | 155.29 | 4 |
| Jan 2006 | 79.33 | 4 |
| Dec 2005 | 155.03 | 4 |
| Oct 2005 | 163.21 | 4 |
| Sep 2005 | 11.55 | 4 |
| Aug 2005 | 148.21 | 4 |
| Jul 2005 | 92.88 | 4 |
| May 2005 | 173.24 | 4 |
| Apr 2005 | 115.21 | 4 |
| Feb 2005 | 96.32 | 4 |
| Dec 2004 | 149.15 | 4 |
| Oct 2004 | 172.01 | 4 |
| Aug 2004 | 191.91 | 4 |
| May 2004 | 157.26 | 4 |
| Mar 2004 | 178.71 | 4 |
| Jan 2004 | 427.93 | 4 |
| Sep 2003 | 194.02 | 4 |
| Jun 2003 | 165.89 | 4 |
| Apr 2003 | 139.29 | 4 |
| Mar 2003 | 137.21 | 4 |
| Feb 2003 | 142.99 | 4 |
| Jan 2003 | 179.91 | 4 |
| Nov 2002 | 199.27 | 4 |
| Aug 2002 | 167.52 | 4 |
| Jul 2002 | 193.58 | 4 |
| May 2002 | 148.22 | 4 |
| Apr 2002 | 194.75 | 4 |
| Mar 2002 | 158.61 | 4 |
| Nov 2001 | 198.93 | 4 |
| Sep 2001 | 193.14 | 4 |
| Jun 2001 | 161.65 | 4 |
| May 2001 | 186.25 | 4 |
| Apr 2001 | 199.27 | 4 |
| Feb 2001 | 188.17 | 4 |
| Jan 2001 | 188.41 | 4 |
| Nov 2000 | 186.88 | 4 |
| Oct 2000 | 173.11 | 4 |
| Sep 2000 | 195.07 | 4 |
| Aug 2000 | 166.59 | 4 |
| Jun 2000 | 147.26 | 4 |
| May 2000 | 155.67 | 4 |
| Apr 2000 | 153.33 | 4 |
| Mar 2000 | 177.35 | 4 |
| Feb 2000 | 346.42 | 4 |
| Jan 2000 | 179.23 | 4 |
| Dec 1999 | 169.76 | 4 |
| Oct 1999 | 176.45 | 4 |
| Sep 1999 | 173.59 | 4 |
| Aug 1999 | 177.00 | 4 |
| May 1999 | 157.28 | 4 |
| Mar 1999 | 176.27 | 4 |
| Dec 1998 | 181.61 | 4 |
| Sep 1998 | 179.11 | 4 |
| Jun 1998 | 96.45 | 4 |
| May 1998 | 190.73 | 4 |
| Feb 1998 | 98.91 | 4 |
| Dec 1997 | 101.00 | 4 |
| Nov 1997 | 79.57 | 4 |
| Oct 1997 | 114.45 | 4 |
| Sep 1997 | 81.92 | 4 |
| Jul 1997 | 83.29 | 4 |
| Jun 1997 | 133.53 | 4 |
| May 1997 | 280.88 | 4 |
| Apr 1997 | 354.93 | 4 |
| Feb 1997 | 339.84 | 4 |
| Nov 1996 | 164.13 | 4 |
| Sep 1996 | 348.23 | 4 |
| Aug 1996 | 243.91 | 4 |
| Jul 1996 | 95.25 | 4 |
| Jun 1996 | 563.47 | 4 |
| May 1996 | 131.15 | 4 |
| Apr 1996 | 50.09 | 4 |
| Mar 1996 | 63.57 | 4 |
| Feb 1996 | 101.06 | 4 |
| Jan 1996 | 159.34 | 4 |
| Dec 1995 | 359.00 | 4 |
| Oct 1995 | 117.00 | 4 |
| Sep 1995 | 99.00 | 4 |
| Aug 1995 | 184.00 | 4 |
| Jul 1995 | 172.00 | 4 |
| Jun 1995 | 205.00 | 4 |
| May 1995 | 205.00 | 4 |
| Apr 1995 | 213.00 | 4 |
| Mar 1995 | 217.00 | 4 |
| Feb 1995 | 201.00 | 4 |
| Jan 1995 | 318.00 | 4 |
| Dec 1994 | 219.00 | 4 |
| Nov 1994 | 214.00 | 4 |
| Oct 1994 | 145.00 | 4 |
| Sep 1994 | 299.00 | 4 |
| Aug 1994 | 213.00 | 4 |
| Jul 1994 | 186.00 | 4 |
| Jun 1994 | 407.00 | 4 |
| May 1994 | 209.00 | 4 |
| Apr 1994 | 213.00 | 4 |
| Mar 1994 | 354.00 | 4 |
| Feb 1994 | 219.00 | 4 |
| Jan 1994 | 219.00 | 4 |
| Dec 1993 | 308.00 | 4 |
| Nov 1993 | 182.00 | 4 |
| Oct 1993 | 364.00 | 4 |
| Sep 1993 | 209.00 | 4 |
| Aug 1993 | 210.00 | 4 |
| Jul 1993 | 214.00 | 4 |
| Jun 1993 | 215.00 | 4 |
| May 1993 | 352.00 | 4 |
| Apr 1993 | 213.00 | 4 |
| Mar 1993 | 410.00 | 4 |
| Feb 1993 | 216.00 | 4 |
| Jan 1993 | 217.00 | 4 |
| Dec 1992 | 402.00 | 4 |
| Nov 1992 | 213.00 | 4 |
| Oct 1992 | 405.00 | 4 |
| Sep 1992 | 202.00 | 4 |
| Aug 1992 | 356.00 | 4 |
| Jul 1992 | 423.00 | 4 |
| Jun 1992 | 215.00 | 4 |
| May 1992 | 398.00 | 4 |
| Apr 1992 | 263.00 | 4 |
| Mar 1992 | 424.00 | 4 |
| Feb 1992 | 429.00 | 4 |
| Jan 1992 | 214.00 | 4 |
| Dec 1991 | 370.00 | 4 |
| Nov 1991 | 334.00 | 4 |
| Oct 1991 | 387.00 | 4 |
| Sep 1991 | 369.00 | 4 |
| Aug 1991 | 372.00 | 4 |
| Jul 1991 | 583.00 | 4 |
| Jun 1991 | 213.00 | 4 |
| May 1991 | 420.00 | 4 |
| Apr 1991 | 420.00 | 4 |
| Mar 1991 | 413.00 | 4 |
| Feb 1991 | 425.00 | 4 |
| Jan 1991 | 426.00 | 4 |
| Dec 1990 | 381.00 | 4 |
| Nov 1990 | 419.00 | 4 |
| Oct 1990 | 422.00 | 4 |
| Sep 1990 | 430.00 | 4 |
| Aug 1990 | 423.00 | 4 |
| Jul 1990 | 627.00 | 4 |
| Jun 1990 | 425.00 | 4 |
| May 1990 | 863.00 | 4 |
| Apr 1990 | 405.00 | 4 |
| Mar 1990 | 364.00 | 4 |
| Feb 1990 | 369.00 | 4 |
| Jan 1990 | 366.00 | 4 |
| Dec 1989 | 486.00 | 4 |
| Nov 1989 | 670.00 | 4 |
| Oct 1989 | 581.00 | 4 |
| Sep 1989 | 519.00 | 4 |
| Aug 1989 | 541.00 | 4 |
| Jul 1989 | 895.00 | 4 |
| Jun 1989 | 413.00 | 4 |
| May 1989 | 873.00 | 4 |
| Apr 1989 | 342.00 | 4 |
| Mar 1989 | 548.00 | 4 |
| Feb 1989 | 355.00 | 4 |
| Jan 1989 | 601.00 | 4 |
| Dec 1988 | 693.00 | 4 |
| Nov 1988 | 596.00 | 4 |
| Oct 1988 | 781.00 | 4 |
| Sep 1988 | 787.00 | 4 |
| Aug 1988 | 891.00 | 4 |
| Jul 1988 | 583.00 | 4 |
| Jun 1988 | 932.00 | 4 |
| May 1988 | 592.00 | 4 |
| Apr 1988 | 730.00 | 4 |
| Mar 1988 | 764.00 | 4 |
| Feb 1988 | 588.00 | 4 |
| Jan 1988 | 1,180.00 | 4 |
| Dec 1987 | 803.00 | 4 |
| Nov 1987 | 947.00 | 4 |
| Oct 1987 | 1,167.00 | 4 |
| Sep 1987 | 942.00 | 4 |
| Aug 1987 | 1,015.00 | 4 |
| Jul 1987 | 1,157.00 | 4 |
| Jun 1987 | 1,182.00 | 4 |
| May 1987 | 1,523.00 | 4 |
| Apr 1987 | 1,189.00 | 4 |
| Mar 1987 | 1,748.00 | 4 |
| Feb 1987 | 1,726.00 | 4 |
| Jan 1987 | 3,461.00 | 4 |
| Dec 1986 | 1,294.00 | 4 |
| Nov 1986 | 1,524.00 | 4 |
| Oct 1986 | 1,512.00 | 4 |
| Sep 1986 | 1,684.00 | 4 |
| Aug 1986 | 2,139.00 | 4 |
| Jul 1986 | 2,301.00 | 4 |
| Jun 1986 | 1,892.00 | 4 |
| May 1986 | 3,218.00 | 4 |
| Apr 1986 | 3,123.00 | 4 |
| Mar 1986 | 3,420.00 | 4 |
| Feb 1986 | 2,946.00 | 4 |
| Jan 1986 | 3,828.00 | 4 |
| Dec 1985 | 4,605.00 | 2 |
| Nov 1985 | 4,024.00 | 2 |
| Oct 1985 | 3,502.00 | 2 |
| Sep 1985 | 2,773.00 | 2 |
| Aug 1985 | 2,995.00 | 2 |
| Jul 1985 | 3,071.00 | 2 |
| Jun 1985 | 4,543.00 | 2 |
| May 1985 | 2,482.00 | 2 |
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
4 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| Studer 'A' | 1 | Apollo Energies, Inc. | Producing |
| Studer 'A' | 2 | Apollo Energies, Inc. | Producing |
| Studer 'A' | 4 | Apollo Energies, Inc. | Producing |
| Studer 'A' | 3 | Apollo Energies, Inc. | Producing |
Location
37.717308, -98.637466 · NENENW Sec 9 T27S R12W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001136608. The state’s own record.