| 6001 | SITLA | Carbon County, UT | Gas Property | Feb 2024 |
| 6002 | SITLER | Okmulgee County, OK | Gas Property | Dec 1995 |
| 6003 | SITTA, R. E., ETAL | Hardeman County, TX | Oil & Gas Property | Sep 2021 |
| 6004 | SITTER | Wheeler County, TX | Oil & Gas Property | Jan 2024 |
| 6005 | SITTING BULL | Antrim County, MI | Gas Property | Dec 2020 |
| 6006 | SITTING BULL | Cochran County, TX | Oil & Gas Property | Jan 2024 |
| 6007 | SITTING BULL UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2024 |
| 6008 | SITTING OWL USA 34-8H | McLean County, ND | Oil & Gas Property | Feb 2024 |
| 6009 | SITTNER | Rice County, KS | Oil Property | Aug 2023 |
| 6010 | SITTNER | Stafford County, KS | Oil Property | Dec 2023 |
| 6011 | SITTNER | Stafford County, KS | Oil & Gas Property | Dec 2023 |
| 6012 | SITTNER | Rice County, KS | Oil Property | Dec 2023 |
| 6013 | SITTON | Beaver County, OK | Oil & Gas Property | Dec 2023 |
| 6014 | SITTON | Palo Pinto County, TX | Oil & Gas Property | Jan 2024 |
| 6015 | SITTON FEDERAL | La Plata County, CO | Gas Property | Feb 2024 |
| 6016 | SITTON GU 1 | Nacogdoches County, TX | Oil & Gas Property | Jan 2024 |
| 6017 | SITTS | Kingman County, KS | Oil & Gas Property | Dec 2023 |
| 6018 | SITZ | Ellis County, KS | Oil Property | Dec 2023 |
| 6019 | SITZ UNIT | Wise County, TX | Oil & Gas Property | Jan 2024 |
| 6020 | SITZ-DOYLE | Wise County, TX | Oil & Gas Property | Jan 2024 |
| 6021 | SITZ-DOYLE SITZ SOUTH | Wise County, TX | Oil & Gas Property | Jan 2024 |
| 6022 | SITZMAN | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 6023 | SITZMAN | Weld County, CO | Oil & Gas Property | May 2017 |
| 6024 | SITZMAN | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 6025 | SITZMAN | Weld County, CO | Oil & Gas Property | Apr 2013 |
| 6026 | SIVADCO A | Taylor County, TX | Oil Property | May 2015 |
| 6027 | SIVELLS BEND | Cooke County, TX | Oil & Gas Property | Jan 2024 |
| 6028 | SIVELLS BEND UNIT (BASAL PENN) | Cooke County, TX | Oil & Gas Property | Dec 2023 |
| 6029 | SIVERS | Bradford County, PA | Gas Property | Jan 2024 |
| 6030 | SIVERTSON 1-9H | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 6031 | SIVERTSON RUSH 1 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 6032 | SIVLEY FEDERAL | Eddy County, NM | Oil Property | Aug 2015 |
| 6033 | SIVLEY JENNINGS FEDERAL | Eddy County, NM | Oil Property | Jun 2011 |
| 6034 | SIX HEARTS, LTD., ET AL | Terry County, TX | Oil & Gas Property | Jan 2024 |
| 6035 | SIX J 36-15-15 H | De Soto Parish, LA | Gas Property | Dec 2023 |
| 6036 | SIX MILE | Milam County, TX | Oil & Gas Property | Jan 2024 |
| 6037 | SIX, LUCY LE | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6038 | SIX, RALPH | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6039 | SIX, RALPH & BETTY JO SC | Monongalia County, WV | Gas Property | Nov 2019 |
| 6040 | SIX, RONALD | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6041 | SIX, RONALD, ET AL MCDONALD | Ritchie County, WV | Gas Property | Sep 2021 |
| 6042 | SIX-M-F | Finney County, KS | Oil Property | Dec 2023 |
| 6043 | SIX-ROOS | Duval County, TX | Oil & Gas Property | Jan 2024 |
| 6044 | SIX-WAY SYNDICATE | Geauga County, OH | Oil & Gas Property | Dec 1994 |
| 6045 | SIXKILLER 7-6-0603 | McClain County, OK | Oil & Gas Property | Dec 2023 |
| 6046 | SIXTEEN GS | San Juan County, NM | Oil & Gas Property | Feb 2024 |
| 6047 | SIXTEEN PENNY NAIL 310 | Martin County, TX | Oil & Gas Property | Jan 2024 |
| 6048 | SIXTEEN STONE 416 | Yoakum County, TX | Oil & Gas Property | Jan 2024 |
| 6049 | SIZELOVE | Cooke County, TX | Oil & Gas Property | Dec 2023 |
| 6050 | SIZELOVE | Beaver County, OK | Oil & Gas Property | Dec 2023 |
| 6051 | SIZEMORE | McIntosh County, OK | Gas Property | Jul 2009 |
| 6052 | SIZEMORE | Clay County, KY | Gas Property | Dec 2022 |
| 6053 | SIZEMORE | Fayette County, AL | Oil & Gas Property | Nov 2023 |
| 6054 | SIZEMORE | Harvey County, KS | Oil & Gas Property | Dec 2023 |
| 6055 | SIZEMORE | Lamar County, AL | Oil & Gas Property | May 2015 |
| 6056 | SIZEMORE | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 6057 | SIZEMORE 10-06 | White County, AR | Gas Property | Feb 2024 |
| 6058 | SIZEMORE MINING CO | Leslie County, KY | Oil & Gas Property | Dec 2020 |
| 6059 | SIZEMORE, JACK HEIRS | Clay County, KY | Oil & Gas Property | Aug 2022 |
| 6060 | SIZU | Ventura County, CA | Oil & Gas Property | Dec 2023 |
| 6061 | SIZZLER STATE | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 6062 | SJ FEE | Carbon County, WY | Oil & Gas Property | Nov 2023 |
| 6063 | SJ JEHA | Clarion County, PA | Gas Property | Dec 2023 |
| 6064 | SJM UNIT | La Salle County, TX | Oil & Gas Property | Jan 2024 |
| 6065 | SJOL 5-8 | Williams County, ND | Oil & Gas Property | Feb 2024 |
| 6066 | SJW BRA | Bradford County, PA | Gas Property | Jan 2024 |
| 6067 | SJWF | Dickens County, TX | Oil & Gas Property | Jan 2024 |
| 6068 | SKAAR 15 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 6069 | SKAAR FEDERAL | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 6070 | SKACEL 1 | Westmoreland County, PA | Gas Property | Jan 2024 |
| 6071 | SKACHENKO | Dunn County, ND | Oil & Gas Property | Feb 2024 |
| 6072 | SKACHENKO FEDERAL 11-31HSL | Dunn County, ND | Oil & Gas Property | Feb 2024 |
| 6073 | SKADELAND USA 31-30TFH | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 6074 | SKAER | Larimer County, CO | Oil & Gas Property | Jun 2017 |
| 6075 | SKAER | Butler County, KS | Oil Property | Dec 2023 |
| 6076 | SKAGGS | Ness County, KS | Oil Property | Dec 2023 |
| 6077 | SKAGGS | Henderson County, KY | Oil Property | Jul 2018 |
| 6078 | SKAGGS | Live Oak County, TX | Oil & Gas Property | Jan 2024 |
| 6079 | SKAGGS | Johnson County, KY | Oil & Gas Property | Dec 2022 |
| 6080 | SKAGGS | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 6081 | SKAGGS | Lawrence County, KY | Oil & Gas Property | Sep 2020 |
| 6082 | SKAGGS | Johnson County, TX | Gas Property | Jan 2024 |
| 6083 | SKAGGS | Grayson County, TX | Oil & Gas Property | Dec 2023 |
| 6084 | SKAGGS | Grady County, OK | Oil & Gas Property | Dec 2023 |
| 6085 | SKAGGS | Lincoln County, OK | Oil & Gas Property | Jan 2024 |
| 6086 | SKAGGS | Upton County, TX | Oil & Gas Property | Jan 2024 |
| 6087 | SKAGGS 1-12-1XHM | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 6088 | SKAGGS B | Lea County, NM | Oil & Gas Property | Jan 2024 |
| 6089 | SKAGGS GRAYBURG UNIT | Lea County, NM | Oil & Gas Property | Jan 2024 |
| 6090 | SKAGGS LEWIS | Jack County, TX | Oil & Gas Property | Jan 2024 |
| 6091 | SKALNICAN, M | Midland County, MI | Oil & Gas Property | May 2008 |
| 6092 | SKALNIK | Grant County, OK | Oil & Gas Property | Jan 2024 |
| 6093 | SKALNIK 2805 | Grant County, OK | Oil & Gas Property | Dec 2023 |
| 6094 | SKANNAL | Bossier Parish, LA | Oil & Gas Property | Oct 2023 |
| 6095 | SKAR | Divide County, ND | Oil & Gas Property | Feb 2024 |
| 6096 | SKAR 1-21H | Divide County, ND | Oil & Gas Property | Feb 2024 |
| 6097 | SKARDERUD | Williams County, ND | Oil & Gas Property | Feb 2024 |
| 6098 | SKARPHOL | Bottineau County, ND | Oil Property | Jun 2014 |
| 6099 | SKARPHOL | Divide County, ND | Oil & Gas Property | Mar 2006 |
| 6100 | SKARPSNO FEDERAL 22X-20 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |