| 121601 | SULGAR | Jefferson County, PA | Gas Property | Mar 2026 |
| 121602 | SULGER | Jefferson County, PA | Gas Property | Dec 2025 |
| 121603 | SULIMAR QUEEN UNIT | Chaves County, NM | Oil Property | Oct 1996 |
| 121604 | SULLAVAN | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 121605 | SULLENGER | Tom Green County, TX | Gas Property | Jun 2013 |
| 121606 | SULLENGER | Contra Costa County, CA | Oil & Gas Property | Aug 1994 |
| 121607 | SULLINS | Noble County, OK | Oil & Gas Property | Jul 2020 |
| 121608 | SULLINS | Noble County, OK | Oil & Gas Property | Mar 2026 |
| 121609 | SULLINS | Noble County, OK | Oil & Gas Property | Apr 2026 |
| 121610 | SULLIVAN | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 121611 | SULLIVAN | Caddo County, OK | Oil & Gas Property | Mar 2026 |
| 121612 | SULLIVAN | Okmulgee County, OK | Gas Property | Nov 2012 |
| 121613 | SULLIVAN | Gray County, TX | Gas Property | Mar 2026 |
| 121614 | SULLIVAN | Gray County, TX | Oil & Gas Property | Mar 2026 |
| 121615 | SULLIVAN | Medina County, OH | Oil & Gas Property | Dec 2025 |
| 121616 | SULLIVAN | Grant County, KS | Gas Property | Feb 2026 |
| 121617 | SULLIVAN | Moore County, TX | Oil & Gas Property | Mar 2026 |
| 121618 | SULLIVAN | Renville County, ND | Oil & Gas Property | Apr 2026 |
| 121619 | SULLIVAN | Allen County, KS | Oil Property | Jan 2026 |
| 121620 | SULLIVAN | Russell County, KS | Oil Property | Feb 2026 |
| 121621 | SULLIVAN | Montgomery County, KS | Gas Property | Feb 2026 |
| 121622 | SULLIVAN | Greenwood County, KS | Oil Property | Feb 2026 |
| 121623 | SULLIVAN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 121624 | SULLIVAN | Dewey County, OK | Oil Property | Apr 2026 |
| 121625 | SULLIVAN | White County, AR | Gas Property | Jun 2024 |
| 121626 | SULLIVAN | Live Oak County, TX | Oil & Gas Property | Feb 2026 |
| 121627 | SULLIVAN | Garza County, TX | Oil & Gas Property | Mar 2026 |
| 121628 | SULLIVAN | Kern County, CA | Oil & Gas Property | Aug 2007 |
| 121629 | SULLIVAN | Leon County, TX | Oil & Gas Property | Mar 2025 |
| 121630 | SULLIVAN | Love County, OK | Oil & Gas Property | Feb 2017 |
| 121631 | SULLIVAN | McKenzie County, ND | Oil & Gas Property | Aug 2013 |
| 121632 | SULLIVAN | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 121633 | SULLIVAN | Brooks County, TX | Oil & Gas Property | Mar 2026 |
| 121634 | SULLIVAN | Major County, OK | Oil & Gas Property | Mar 2026 |
| 121635 | SULLIVAN | Livingston Parish, LA | Oil & Gas Property | Dec 2024 |
| 121636 | SULLIVAN | Grant County, KS | Gas Property | Feb 2026 |
| 121637 | SULLIVAN | Washita County, OK | Oil & Gas Property | Mar 2026 |
| 121638 | SULLIVAN | Grant County, KS | Gas Property | Feb 2026 |
| 121639 | SULLIVAN | Wilbarger County, TX | Oil & Gas Property | Mar 2026 |
| 121640 | SULLIVAN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 121641 | SULLIVAN | Montgomery County, KS | Oil & Gas Property | Feb 2026 |
| 121642 | SULLIVAN | Hutchinson County, TX | Oil & Gas Property | Oct 2022 |
| 121643 | SULLIVAN | Ellis County, KS | Oil Property | Feb 2026 |
| 121644 | SULLIVAN | Morton County, KS | Oil & Gas Property | Feb 2026 |
| 121645 | SULLIVAN | Toole County, MT | Oil Property | Feb 2025 |
| 121646 | SULLIVAN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 121647 | SULLIVAN #1 | Tuscaloosa County, AL | Gas Property | Mar 2026 |
| 121648 | SULLIVAN 10-13 | Van Buren County, AR | Gas Property | Jun 2024 |
| 121649 | SULLIVAN 32 | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 121650 | SULLIVAN B-1 | Stevens County, KS | Oil & Gas Property | Feb 2026 |
| 121651 | SULLIVAN DEEP C GAS UNIT NO. 1 | Brooks County, TX | Oil & Gas Property | Jul 2025 |
| 121652 | SULLIVAN ET AL 1-6 | Wexford County, MI | Oil & Gas Property | Jan 2026 |
| 121653 | SULLIVAN GAS COM | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 121654 | SULLIVAN JO | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 121655 | SULLIVAN PAULINE G | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 121656 | SULLIVAN R. GAS UNIT | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 121657 | SULLIVAN UNIT | Pecos County, TX | Oil Property | Mar 2026 |
| 121658 | SULLIVAN WMA 35-2 1H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 121659 | SULLIVAN, ARTIE | Russell County, KY | Oil Property | Apr 2022 |
| 121660 | SULLIVAN, DON | Knox County, KY | Gas Property | Dec 2018 |
| 121661 | SULLIVAN-HICKMAN | Johnson County, TX | Oil & Gas Property | Mar 2026 |
| 121662 | SULLY UNIT | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 121663 | SULO-PETERS | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 121664 | SULPHUR CREST | Ventura County, CA | Oil & Gas Property | Feb 2026 |
| 121665 | SULSER 10-30-3-2W | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 121666 | SULTAN 1-30-19-18XH | McClain County, OK | Oil & Gas Property | Mar 2026 |
| 121667 | SULTANA 23-62 23-14 | Goshen County, WY | Oil & Gas Property | Mar 2026 |
| 121668 | SULTEMEIER UNIT | Menard County, TX | Oil Property | Mar 2026 |
| 121669 | SULTENFUSS | Dimmit County, TX | Oil & Gas Property | Mar 2026 |
| 121670 | SUMAN-GEORGE TRUSTS | Yuma County, CO | Gas Property | Apr 2026 |
| 121671 | SUMBERA | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 121672 | SUMC | Sabine Parish, LA | Gas Property | Dec 2024 |
| 121673 | SUMEY | Fayette County, PA | Gas Property | Dec 2025 |
| 121674 | SUMIDEROS 12 W1PA FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 121675 | SUMLIN 24-25 | Lincoln Parish, LA | Gas Property | Dec 2017 |
| 121676 | SUMMER | Columbiana County, OH | Oil & Gas Property | Dec 2025 |
| 121677 | SUMMER | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 121678 | SUMMER CREEK | Tarrant County, TX | Gas Property | Mar 2026 |
| 121679 | SUMMER MOON | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 121680 | SUMMERBLISS | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 121681 | SUMMERFIELD | Campbell County, WY | Oil & Gas Property | Dec 2022 |
| 121682 | SUMMERFIELD | Roane County, WV | Oil & Gas Property | Dec 2018 |
| 121683 | SUMMERFIELD 1 | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 121684 | SUMMERLAND | Otsego County, MI | Oil & Gas Property | Apr 2026 |
| 121685 | SUMMERLAND FIELD UNIT | Jones County, MS | Oil & Gas Property | Apr 2009 |
| 121686 | SUMMERLEE | Hardeman County, TX | Oil & Gas Property | Mar 2026 |
| 121687 | SUMMERS | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 121688 | SUMMERS | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 121689 | SUMMERS | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 121690 | SUMMERS | Kanawha County, WV | Oil & Gas Property | Oct 2014 |
| 121691 | SUMMERS | Caddo County, OK | Oil & Gas Property | Mar 2026 |
| 121692 | SUMMERS | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 121693 | SUMMERS | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 121694 | SUMMERS | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 121695 | SUMMERS | Seminole County, OK | Oil Property | Nov 2008 |
| 121696 | SUMMERS | Labette County, KS | Gas Property | Feb 2026 |
| 121697 | SUMMERS | Cherokee County, TX | Oil & Gas Property | Feb 2026 |
| 121698 | SUMMERS | Hughes County, OK | Oil & Gas Property | Mar 2026 |
| 121699 | SUMMERS | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 121700 | SUMMERS | Beckham County, OK | Oil & Gas Property | Apr 2026 |