Kansas
Haskell County leases
2,892 oil and gas leases on record in Haskell County, Kansas · page 12 of 15
Leases in the county
2,892
On this page
200
Leases
| Lease | Operator | Product | Years | Cumulative | Wells |
|---|---|---|---|---|---|
| RISA 1-22 | BEREXCO LLC | Gas | 2022–2026 | 17,001 MCF | 1 |
| ROBERTSON 1-4 | Becker Oil Corporation | Gas | 2005–2017 | 160,679 MCF | 2 |
| ROBIN 28-2 | Merit Energy Company, LLC | — | — | — | — |
| ROBINSON 'E' 1 | Mayhew Properties | Gas | 1957–2019 | 1,219,996 MCF | 2 |
| ROGER WILSON | Presco Western LLC | Oil | 2005–2008 | 400.37 bbl | 1 |
| ROGER WILSON 519 | Presco Western LLC | Gas | 2004–2006 | 58,126 MCF | 1 |
| ROGGE 1 | Scout Energy Management LLC | Gas | 1957–2026 | 2,033,249 MCF | 1 |
| ROGGE 2 | Riviera Operating, LLC | Gas | 1996–2015 | 334,761 MCF | 1 |
| ROHMEYER 1 | Kansas Natural Gas Operating, LC | Gas | 1957–2026 | 2,274,044 MCF | 1 |
| ROHMEYER UNIT 1 | AMOCO PRODUCTION | Oil | 1967–1972 | 513 bbl | 1 |
| ROHMEYER UNIT 1 | AMOCO PRODUCTION | Gas | 1968–1972 | 398,495 MCF | 1 |
| ROLLIE 13-1 | EOG Resources, Inc. | Oil | 2008–2012 | 78,136.07 bbl | 1 |
| ROLLIE 13-2 | EOG Resources, Inc. | Oil | 2009–2011 | 17,965.59 bbl | 1 |
| ROONEY 1 | AMAREX INCORPORA | Oil | 1965–1985 | 113,814 bbl | 1 |
| ROONEY 1 | Medicine Bow Operating Company | Gas | 1957–1994 | 509,735 MCF | 1 |
| ROONEY 1 | TOMLINSON OIL CO | Oil | 1965–1982 | 39,803 bbl | 1 |
| ROONEY 1 | FELLERS W J | Gas | 1968–1970 | 762,636 MCF | 1 |
| ROONEY 1-5 | Chesapeake Operating, LLC | Oil | 1995–2004 | 144,819.65 bbl | 2 |
| ROONEY 1-5 | Hugoton Energy Corporation | Gas | 1996–2002 | 92,026 MCF | 2 |
| ROONEY 2-31 | XTO Energy Inc. | Gas | 1994–2010 | 175,026 MCF | 1 |
| ROONEY 2-5 | Scout Energy Management LLC | Gas | 1991–2026 | 713,932 MCF | 1 |
| ROONEY 2-5 | Pioneer Natural Resources USA, Inc. | Oil | 1980–1996 | 19,674.79 bbl | 2 |
| ROONEY 3-5 | Scout Energy Management LLC | Gas | 1998–2026 | 279,216 MCF | 1 |
| ROONEY Gas Unit 1 | AMOCO PRODUCTION | Gas | 1968–1980 | 99,888 MCF | 1 |
| ROONEY UNIT 1 | AMOCO PRODUCTION | Oil | 1969–1984 | 15,373 bbl | 2 |
| ROSENWINKLE 1 | Oil Producers, Inc. of Kansas | Oil | 1996–2002 | 10,694.61 bbl | 1 |
| ROWLAND C-3 | OXY USA Inc. | Oil | 2008–2025 | 82,154.31 bbl | 1 |
| ROWLAND C-3 | Merit Energy Company, LLC | Gas | 2008–2026 | 965,907 MCF | 1 |
| ROY 1 | Kerr-McGee Oil & Gas Onshore LP | Gas | 1957–2011 | 1,411,136 MCF | 1 |
| ROY 1 | Scout Energy Management LLC | Gas | 1957–2026 | 5,659,301 MCF | 1 |
| ROY 1-27 | Merit Energy Company, LLC | Oil | 2025–2026 | 11,004.52 bbl | 1 |
| ROY 10-33 | Scout Energy Management LLC | Gas | 1990–2026 | 844,099 MCF | 1 |
| ROY 11-34 | Pioneer Natural Resources USA, Inc. | Gas | 1991–1999 | 268 MCF | 1 |
| ROY 12-29 | Scout Energy Management LLC | Gas | 1990–2026 | 1,195,855 MCF | 1 |
| ROY 13-20 | Pioneer Natural Resources USA, Inc. | Gas | 1990–2005 | 728,378 MCF | 1 |
| ROY 13-20R | Scout Energy Management LLC | Gas | 2005–2026 | 302,675 MCF | 1 |
| ROY 3 | Scout Energy Management LLC | Gas | 1957–2026 | 1,228,786 MCF | 1 |
| ROY 4 | Scout Energy Management LLC | Gas | 1957–2026 | 1,123,120 MCF | 1 |
| ROY 8-29 | Scout Energy Management LLC | Gas | 1982–2026 | 809,144 MCF | 1 |
| ROY 9-27 | Pioneer Natural Resources USA, Inc. | Gas | 1991–1994 | 8,250 MCF | 1 |
| RUBGESS A ORI | American Warrior, Inc. | — | — | — | — |
| Randle 'A' 1 | Casillas Petroleum Corp | Gas | 2008–2026 | 685,133 MCF | 1 |
| Redd 5 | Merit Energy Company, LLC | Oil | 2008–2025 | 1,014.55 bbl | 1 |
| Rowland 'C' | Merit Energy Company, LLC | Oil | 2008–2025 | 51,324.26 bbl | 1 |
| Rowland 'C' 1 | Merit Energy Company, LLC | Gas | 2008–2019 | 484,419 MCF | 1 |
| Rowland 'C' 2 | Merit Energy Company, LLC | Gas | 2010–2026 | 106,214 MCF | 1 |
| Roy 3-18 | Scout Energy Management LLC | Gas | 2006–2026 | 341,324 MCF | 2 |
| Roy Gas Unit 1-2 | Scout Energy Management LLC | Gas | 1994–2026 | 1,098,711 MCF | 2 |
| S COXCHESTER UT | Merit Energy Company, LLC | Oil | 2017–2026 | 466,123.62 bbl | 2 |
| S COXCHESTER UT | Merit Energy Company, LLC | Gas | 2017–2024 | 875 MCF | 4 |
| S W COLLEGE 1 | Pioneer Natural Resources USA, Inc. | — | — | — | — |
| S W COLLEGE2-26 | Anadarko Petroleum Corporation | — | — | — | 1 |
| S. B. HOWELL 1 | Scout Energy Management LLC | Gas | 1957–2026 | 13,485,741 MCF | 1 |
| S. G. HALL | OXY USA Inc. | Oil | 1977–2005 | 279,350.69 bbl | 2 |
| S.V.T. 1-16 | BEREXCO LLC | Gas | 1995–2019 | 227,990 MCF | 1 |
| S.V.T. 1-16 | BEREXCO LLC | Oil | 1989–2019 | 35,917.64 bbl | 3 |
| SANTA FE | CONTINENTAL ENER | Oil | 1984–1992 | 14,532 bbl | — |
| SANTA FE | CONTINENTAL ENER | Gas | 1984–1991 | 41,828 MCF | 1 |
| SANTA FE 1 | Lang, Kenneth R. | Oil | 1984–1999 | 29,441.61 bbl | 3 |
| SANTA FE 1-17 | L&DWG LLC | Gas | 2006–2026 | 59,624 MCF | 1 |
| SANTA FE 2 | Lang, Kenneth R. | Gas | 1984–2025 | 694,508 MCF | 1 |
| SARA 1-28 | BEREXCO LLC | Oil | 1998–2022 | 36,763.44 bbl | 1 |
| SARA 1-28 | BEREXCO LLC | Gas | 1998–2016 | 1,119,486 MCF | 1 |
| SCHMIDT 1 | Western Pacific Farms, Inc. | Gas | 1976–2018 | 286,047 MCF | 1 |
| SCHMIDT 1 | ELM III Operating Company LLC | Gas | 1976–2026 | 533,092 MCF | 1 |
| SCHNELLBACH 3-4 | Edison Operating Company LLC | Oil | 2003–2026 | 46,879.78 bbl | 1 |
| SCHNELLBACHER | OXY USA Inc. | Gas | 1968 | 302,449 MCF | — |
| SCHNELLBACHER 'A' 3 | Merit Energy Company, LLC | Gas | 1995–2026 | 650,377 MCF | 1 |
| SCHNELLBACHER 'A' 4 | Merit Energy Company, LLC | Gas | 2008–2026 | 45,057 MCF | 1 |
| SCHNELLBACHER 'B' | Merit Energy Company, LLC | Oil | 1961–1999 | 411,908.08 bbl | — |
| SCHNELLBACHER 'B' | OXY USA Inc. | Gas | 1997–2003 | 55,882 MCF | 1 |
| SCHNELLBACHER 'B' 1 | OXY USA Inc. | Gas | 1968–1988 | 405,383 MCF | 1 |
| SCHNELLBACHER 'D' 1 | OXY USA Inc. | Oil | 1987–1996 | 7,348 bbl | 1 |
| SCHNELLBACHER 'D' 1 | OXY USA Inc. | Gas | 1986–1999 | 314,171 MCF | 1 |
| SCHNELLBACHER 'E' | OXY USA Inc. | Oil | 1993–2000 | 3,165.77 bbl | 1 |
| SCHNELLBACHER 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 4,886,836 MCF | 1 |
| SCHNELLBACHER PC 3-523 | Oil Producers, Inc. of Kansas | Gas | 1999–2006 | 94,428 MCF | 3 |
| SCHNELLENBACHER | Oil Producers, Inc. of Kansas | Gas | 1996–2011 | 366,825 MCF | — |
| SCHNELLENBACHER | Manuel Corporation | — | — | — | — |
| SCHUETTE 'A' 1 | Casillas Petroleum Corp | Gas | 1957–2026 | 1,791,173 MCF | 1 |
| SCHUETTE 'B' 1 | Casillas Petroleum Corp | Gas | 1957–2024 | 1,512,367 MCF | 1 |
| SCHUETTE 'B' 1-2 | Casillas Petroleum Corp | Gas | 2001–2021 | 168,462 MCF | 1 |
| SCHUETTE A 1-2 | Casillas Petroleum Corp | Gas | 2004–2022 | 68,910 MCF | 1 |
| SCHUH 'A' 1 | OXY USA Inc. | Oil | 2000–2001 | 15,486.52 bbl | — |
| SCHUH A-2 | Merit Energy Company, LLC | Oil | 2015–2017 | 4,539.89 bbl | 1 |
| SCOTT 'A' 1 | OXY USA Inc. | Oil | 1980–1986 | 17,626 bbl | 1 |
| SEALEY 'C' 1H | Merit Energy Company, LLC | Gas | 1995–2026 | 377,376 MCF | 1 |
| SEALEY 1 | Casillas Petroleum Corp | Gas | 1957–2026 | 2,192,168 MCF | 1 |
| SEALY 1-2 | Casillas Petroleum Corp | Gas | 1999–2026 | 615,109 MCF | 1 |
| SEIGHT 6-27 | BP America Production Company | — | — | — | — |
| SELBY 2-1 | Palmer Oil, Inc. | Oil | 2007–2026 | 50,925.59 bbl | 1 |
| SEVER 1 | Scout Energy Management LLC | Gas | 1957–2026 | 5,329,802 MCF | 1 |
| SEVER Gas Unit 2 | Scout Energy Management LLC | Gas | 1980–2026 | 1,887,388 MCF | 1 |
| SEVER Gas Unit 3HI | Scout Energy Management LLC | Gas | 1993–2026 | 911,543 MCF | 1 |
| SHAFFER 'C' 1 | Scout Energy Management LLC | Gas | 1957–2026 | 11,801,235 MCF | 1 |
| SHAFFER Gas Unit 'C' 2HI | Scout Energy Management LLC | Gas | 1993–2026 | 1,018,666 MCF | 1 |
| SHAW-JONES 1 | Withers, Lawrence | Gas | 1981–1996 | 233,046 MCF | 1 |
| SIMMONS 'X' 2-16 | Anadarko E & P Onshore LLC | Gas | 1991–2008 | 151,790 MCF | 2 |
| SIMMONS 1 | Anadarko E & P Onshore LLC | — | — | — | — |
| SIMMONS 2X-16 | Anadarko E & P Onshore LLC | — | — | — | — |
| SIMPSON 1-35 | Harris Oil & Gas Company | Oil | 1995–2002 | 21,903.60 bbl | 1 |
| SIMPSON 2-35 | Harris Oil & Gas Company | Oil | 1996–2004 | 42,543.28 bbl | 2 |
| SIMPSON 2-35 | Oil Producers, Inc. of Kansas | Gas | 1996–2004 | 51,314 MCF | 2 |
| SIMPSON 3-35 | Oil Producers, Inc. of Kansas | Gas | 1996–2004 | 263,984 MCF | 1 |
| SIMPSON 3-35 | Oil Producers, Inc. of Kansas | Oil | 2002–2004 | 352.25 bbl | 1 |
| SIMPSON 5-35 | Oil Producers, Inc. of Kansas | Oil | 1997–2001 | 40,115.18 bbl | 1 |
| SIMPSON 5-35 | Harris Oil & Gas Company | Gas | 1997–2001 | 59,660 MCF | 1 |
| SMITH 'C' 1 | Scout Energy Management LLC | Gas | 1957–2026 | 3,724,447 MCF | 1 |
| SMITH 'X' 1 | Big Time Operators | Oil | 1984–1992 | 8,195 bbl | 1 |
| SMITH 'X' 1 | CONTINENTAL ENER | Gas | 1985–1991 | 101,716 MCF | 1 |
| SMITH 1 | Western Pacific Farms, Inc. | Gas | 2018–2019 | 10,853 MCF | 1 |
| SMITH C2 | M3 HELIUM CORP | Gas | 2024–2025 | 4,820 MCF | 1 |
| SMITH ESTATE 1 | Western Pacific Farms, Inc. | Gas | 1977–2020 | 297,462 MCF | 1 |
| SMITH LIZ 'A' 2 | Lebosquet, John W. | Gas | 1990–2026 | 838,533 MCF | — |
| SMITH Z-2 | OXY USA Inc. | Gas | 2009–2026 | 210,319 MCF | 1 |
| SMITH Z-2 | Merit Energy Company, LLC | Oil | 2009–2026 | 7,323.15 bbl | 1 |
| SMITH Z-3 | OXY USA Inc. | Gas | 2009–2026 | — | 1 |
| SMITH Z-3 | Merit Energy Company, LLC | Oil | 2009–2025 | 10,966.46 bbl | 1 |
| SNIDER 'B' 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 4,230,223 MCF | 1 |
| SNIDER 'B' 2 | Merit Energy Company, LLC | Gas | 1993–2026 | 461,716 MCF | 1 |
| SNIDER 'B' 2 | OXY USA Inc. | Oil | 1991–1992 | 955 bbl | 1 |
| SNIDER 'B' 3 | OXY USA Inc. | Gas | 1997–2026 | 718,309 MCF | — |
| SNIDER 'C' 1 | Merit Energy Company, LLC | Oil | 2000–2026 | 159,494.54 bbl | 2 |
| SNYDER 'D' 1-H | Merit Energy Company, LLC | Gas | 1995–2026 | 485,868 MCF | 1 |
| SNYDER 1-23 | Merit Energy Company, LLC | Gas | 2000–2026 | 936,899 MCF | 1 |
| SOUTH EUBANK UNIT | Chesapeake Operating, LLC | Oil | 2002–2010 | 81,460.73 bbl | 3 |
| SOUTH EUBANK UNIT | Edison Operating Company LLC | Gas | 2003–2015 | 31,619 MCF | — |
| SOUTH EUBANK WF | Edison Operating Company LLC | Oil | 2017–2026 | 22,968.88 bbl | 5 |
| SOUTHWESTERN COLLEGE 'A' 2 | Lario Oil & Gas Company | Gas | 1998–2022 | 110,772 MCF | 1 |
| SOUTHWESTERN COLLEGE 1 | Scout Energy Management LLC | Gas | 1957–2026 | 7,424,124 MCF | 1 |
| SOUTHWESTERN COLLEGE 2-26 | Scout Energy Management LLC | Gas | 2000–2026 | 269,297 MCF | 1 |
| SOUTHWESTERN COLLEGE A | Lario Oil & Gas Company | Oil | 1980–2026 | 329,473.56 bbl | 3 |
| SPANIER 'B' 1 | Sublette Feeders LLC | Gas | 1977–2023 | 363,008 MCF | 1 |
| SPANIER 1 | Kansas Natural Gas Operating, LC | Gas | 1957–2026 | 3,878,792 MCF | 1 |
| SPANIER 1 | PT Oil LLC | Gas | 1977–2017 | 355,278 MCF | 1 |
| SPANIER 1-2 | Kansas Natural Gas, Inc. | Gas | 1991–2026 | 877,319 MCF | — |
| SPANIER 1-2 | Kansas Natural Gas Operating, LC | — | — | — | 1 |
| SPRUNGER | TOMLINSON OIL CO | Oil | 1963–1982 | 308,424 bbl | 2 |
| SPRUNGER 'A' | Belco Energy Corp. | Oil | 1958–2000 | 227,610.80 bbl | 2 |
| SPRUNGER 'B' 1&2 | Scout Energy Management LLC | Oil | 1958–1991 | 361,050 bbl | 3 |
| SPRUNGER 'C' 1 | MOBIL OIL CORPOR | Gas | 1968 | 108,859 MCF | 1 |
| STALKER 'A' 1H | Merit Energy Company, LLC | Gas | 1991–2026 | 1,231,042 MCF | 1 |
| STALKER 19-C | Presco Western LLC | Gas | 2008–2026 | 144,440 MCF | 1 |
| STALKER 19C | Merit Energy Company, LLC | Oil | 2008–2026 | 28,915.18 bbl | 1 |
| STALKER 33 | Merit Energy Company, LLC | Oil | 2008–2026 | 32,498.27 bbl | 1 |
| STALKER 33G | OXY USA Inc. | Gas | 2008–2018 | 125,569 MCF | 1 |
| STALKER ET AL. 'A' 31 | OXY USA Inc. | Gas | 2006–2010 | 20,195 MCF | 1 |
| STALKER ET AL. 'A' 31 | Merit Energy Company, LLC | Oil | 2007–2023 | 31,405 bbl | 2 |
| STALKER ET AL. 28-I | OXY USA Inc. | Gas | 2005–2008 | 30,274 MCF | 1 |
| STALKER ET AL. 30-K | Merit Energy Company, LLC | Gas | 2005–2015 | 435,123 MCF | 1 |
| STALKER ET AL. 30-K | OXY USA Inc. | Oil | 2007–2013 | 7,135.63 bbl | 1 |
| STALKER ET AL. 32-H | Presco Western LLC | Gas | 2005–2006 | 2,421 MCF | 1 |
| STALKER ET AL. 32-H | Presco Western LLC | Oil | 2007 | 2,549.85 bbl | 1 |
| STANLEY | FELLERS W J | Gas | 1968 | 36,112 MCF | — |
| STANLEY 'A' 2 | OXY USA Inc. | Gas | 1978–2003 | 861,979 MCF | 1 |
| STANLEY 'A' 3 | Merit Energy Company, LLC | Gas | 1992–2026 | 996,049 MCF | 1 |
| STANLEY 'A' 4 | Merit Energy Company, LLC | Gas | 2004–2026 | — | 1 |
| STANLEY 02 | American Warrior, Inc. | — | — | — | — |
| STANLEY 1 | McElvain Energy | Gas | 1980–1993 | 289,997 MCF | 1 |
| STANLEY 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 6,870,582 MCF | 1 |
| STANLEY 1 | AMAREX INCORPORA | Oil | 1965–1983 | 40,632 bbl | 1 |
| STANLEY 2 | Continental Energy | Oil | 1983–2001 | 4,235.36 bbl | 1 |
| STANLEY 2 | Jedona Energy, LLC | Gas | 1984–1990 | 579,105 MCF | 1 |
| STANLEY 2 | FELLERS W J | Gas | 1968 | 85,709 MCF | 1 |
| STANNARD | Manuel Corporation | Oil | 1993–1996 | 3,012 bbl | — |
| STANTON 1-14 | Merit Energy Company, LLC | Oil | 1981–2001 | 18,075.03 bbl | 2 |
| STAPLETON 1-10 | Strata Exploration, Inc. | Oil | 2008–2026 | 11,919.83 bbl | 1 |
| STAPLETON 1-10 | Strata Exploration, Inc. | Gas | 2008–2026 | — | 1 |
| STAPLETON 2-10 | Strata Exploration, Inc. | Gas | 2009–2026 | — | 2 |
| STAPLETON A-1 | Merit Energy Company, LLC | Oil | 2015–2025 | 14,317.66 bbl | 2 |
| STAPLETON A-1 | Merit Energy Company, LLC | Gas | 2015–2024 | 50,396 MCF | 2 |
| STEPHENS J.C. 3 | Pioneer Natural Resources USA, Inc. | — | — | — | — |
| STEVENS 'A' 1H | Merit Energy Company, LLC | Gas | 1990–2026 | 1,238,434 MCF | 1 |
| STEVENS 1 | Kansas Natural Gas Operating, LC | Gas | 1957–2026 | 5,951,079 MCF | 1 |
| STEVENS 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 8,000,251 MCF | 1 |
| STEVENS 1-2 | Kansas Natural Gas Operating, LC | Gas | 1990–2026 | 532,107 MCF | 1 |
| STEVENS 4-7 | Scout Energy Management LLC | Gas | 1978–2026 | 1,267,344 MCF | 1 |
| STEVENS 6-7 | Scout Energy Management LLC | Gas | 1989–2026 | 741,566 MCF | 1 |
| STEVENS 7-16 | Scout Energy Management LLC | Gas | 1991–2026 | 2,616,907 MCF | 1 |
| STEVENS 8-16 | Scout Energy Management LLC | Gas | 2000–2026 | 767,293 MCF | 1 |
| STEVENS A-1 | OXY USA Inc. | Gas | 2007 | 4,365 MCF | 1 |
| STEWART 2-25 | Merit Energy Company, LLC | Gas | 2000–2026 | — | 1 |
| STEWART 3-25 | Merit Energy Company, LLC | Gas | 2009–2026 | 208,120 MCF | 1 |
| STEWART Gas Unit 1 | Merit Energy Company, LLC | Gas | 1957–2018 | 1,535,373 MCF | 1 |
| STONESTREET 'A' 2 | Merit Energy Company, LLC | Gas | 1994–2026 | 923,813 MCF | 1 |
| STONESTREET 'A' 3 | Merit Energy Company, LLC | Gas | 2001–2009 | 169,929 MCF | 1 |
| STONESTREET 'B' 1 | PETROLEUM CORPOR | Oil | 1964–1983 | 74,371 bbl | 1 |
| STONESTREET 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 7,382,569 MCF | 1 |
| STONESTREET 1 | Extreme Energy Co | Gas | 1979–2025 | 1,228,868 MCF | 1 |
| STONESTREET 2 | Merit Energy Company, LLC | Oil | 2015–2026 | 86,199.56 bbl | 3 |
| STONESTREET 2 | Merit Energy Company, LLC | Gas | 2021–2026 | 12,602 MCF | 1 |
| STONESTREET 3 | Merit Energy Company, LLC | Gas | 2021–2025 | 16,415 MCF | 1 |
| STONESTREET B | Parker and Parsley Development L.P. | — | — | — | — |
| STOOPS 'A' 1 | Merit Energy Company, LLC | Gas | 1957–2026 | 997,247 MCF | 1 |
| STOOPS 1 | Edison Operating Company LLC | Gas | 1957–2025 | 6,841,076 MCF | 1 |
| STOOPS 2-23 | Edison Operating Company LLC | Gas | 1994–2026 | 1,122,045 MCF | 1 |
| STOOPS-WEBBER 1 | Strata Exploration, Inc. | Oil | 2002–2025 | 69,575.15 bbl | 2 |
| STOOPS-WEBBER 1 | Strata Exploration, Inc. | Gas | 2002–2010 | 665,222 MCF | 2 |
| STOOPS-WEBBER 2 | Strata Exploration, Inc. | Gas | 2003–2018 | 576,073 MCF | 2 |
| STOOPS-WEBBER 4 | Strata Exploration, Inc. | Gas | 2005–2019 | — | 1 |
Cumulative production as the Kansas Geological Survey files it, over the whole life of the lease. The monthly series on each lease page begins in 1980, so for a lease that started earlier the two are not the same figure.