| 53401 | HART, B F | Clay County, KY | Gas Property | Dec 2024 |
| 53402 | HART, HOMER | Whitley County, KY | Oil & Gas Property | Dec 2022 |
| 53403 | HART, J. B | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 53404 | HART, JOHN J. & RENEE HART | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 53405 | HART, JUSTINA | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 53406 | HART, RONALD & | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 53407 | HART-DEARIN | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 53408 | HARTARY | Forest County, PA | Oil Property | Dec 2025 |
| 53409 | HARTBURG | Newton County, TX | Oil & Gas Property | Jun 2026 |
| 53410 | HARTBURG | Orange County, TX | Oil & Gas Property | Sep 2016 |
| 53411 | HARTEBEEST 12 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 53412 | HARTEL 1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 53413 | HARTER | Butler County, KS | Oil Property | May 2026 |
| 53414 | HARTER | Stafford County, KS | Oil Property | Jan 2026 |
| 53415 | HARTER | Lasalle Parish, LA | Oil Property | Dec 2024 |
| 53416 | HARTER | Jack County, TX | Oil & Gas Property | May 2026 |
| 53417 | HARTER 15 | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 53418 | HARTER UNIT | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 53419 | HARTER-TENSASDELTA | Lasalle Parish, LA | Oil Property | Nov 2024 |
| 53420 | HARTFIELD | Guadalupe County, TX | Oil & Gas Property | Apr 2026 |
| 53421 | HARTFORD | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 53422 | HARTGE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 53423 | HARTGRAVES | Johnston County, OK | Oil & Gas Property | Jun 2026 |
| 53424 | HARTGRAVES | Carter County, OK | Oil & Gas Property | Jun 2026 |
| 53425 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 53426 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 53427 | HARTH | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 53428 | HARTIN | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 53429 | HARTIN | Grady County, OK | Oil & Gas Property | Jul 2019 |
| 53430 | HARTING | Payne County, OK | Oil & Gas Property | Dec 2020 |
| 53431 | HARTING | Norton County, KS | Oil Property | Jul 2024 |
| 53432 | HARTING 1 | Logan County, OK | Oil & Gas Property | Nov 2023 |
| 53433 | HARTJE | Los Angeles County, CA | Oil & Gas Property | Jul 2026 |
| 53434 | HARTLE | Rice County, KS | Oil Property | May 2013 |
| 53435 | HARTLEY | Fayette County, PA | Gas Property | Jun 2026 |
| 53436 | HARTLEY | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 53437 | HARTLEY | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 53438 | HARTLEY | Bay County, MI | Oil Property | Jul 2026 |
| 53439 | HARTLEY | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 53440 | HARTLEY | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 53441 | HARTLEY | Greenwood County, KS | Oil Property | Nov 1995 |
| 53442 | HARTLEY | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 53443 | HARTLEY | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 53444 | HARTLEY | Athens County, OH | Oil & Gas Property | Dec 2025 |
| 53445 | HARTLEY 2-13-6 | Harrison County, OH | Oil & Gas Property | Jun 2026 |
| 53446 | HARTLEY HV UNIT | Harrison County, TX | Gas Property | Jun 2026 |
| 53447 | HARTLEY, DAVID | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 53448 | HARTLEY, DAVID M | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 53449 | HARTLEY, LUCILLE WEB13 | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 53450 | HARTLEY, RUSSEL | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 53451 | HARTLINE | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 53452 | HARTMAN | Sumner County, KS | Oil Property | May 2026 |
| 53453 | HARTMAN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 53454 | HARTMAN | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 53455 | HARTMAN | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 53456 | HARTMAN | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 53457 | HARTMAN | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 53458 | HARTMAN | Renville County, ND | Oil Property | Jun 2026 |
| 53459 | HARTMAN | Cooke County, TX | Oil Property | Jun 2026 |
| 53460 | HARTMAN | Mecosta County, MI | Oil Property | Jun 2026 |
| 53461 | HARTMAN | Muskegon County, MI | Oil Property | Aug 2025 |
| 53462 | HARTMAN | Stephens County, OK | Oil Property | Jan 2021 |
| 53463 | HARTMAN | Seneca County, NY | Gas Property | Dec 2025 |
| 53464 | HARTMAN | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 53465 | HARTMAN | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 53466 | HARTMAN | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 53467 | HARTMAN | Kingfisher County, OK | Oil & Gas Property | Jan 2023 |
| 53468 | HARTMAN | Ellis County, OK | Oil & Gas Property | Jun 2026 |
| 53469 | HARTMAN | Love County, OK | Oil Property | Mar 2026 |
| 53470 | HARTMAN | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 53471 | HARTMAN | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 53472 | HARTMAN | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 53473 | HARTMAN 1 | Alfalfa County, OK | Oil & Gas Property | Feb 2026 |
| 53474 | HARTMAN A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 53475 | HARTMAN A | Guadalupe County, TX | Oil Property | Apr 2026 |
| 53476 | HARTMAN A-CANTU A SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 53477 | HARTMAN PAUL | Holmes County, OH | Oil & Gas Property | Dec 2025 |
| 53478 | HARTMAN UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 53479 | HARTMAN UNIT A | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 53480 | HARTMAN-BLACK USW | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 53481 | HARTMAN-RIPPSTEIN MIKKELSON SA1 | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 53482 | HARTMAN-WINTER | Russell County, KS | Oil Property | Jan 2026 |
| 53483 | HARTMAN/STEPHENS | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 53484 | HARTMANN | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 53485 | HARTMANN | Wilson County, TX | Oil & Gas Property | Aug 2025 |
| 53486 | HARTMANN | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 53487 | HARTMANN ALVIN | Guadalupe County, TX | Oil & Gas Property | Apr 2026 |
| 53488 | HARTMANN-BARNARD UNIT | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 53489 | HARTNELL | Santa Barbara County, CA | Oil & Gas Property | Jul 2026 |
| 53490 | HARTNETT | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 53491 | HARTNETT | Wilson County, KS | Gas Property | May 2026 |
| 53492 | HARTNETT | Finney County, KS | Oil Property | May 2026 |
| 53493 | HARTNETT 05 097 0 | Bradford County, PA | Gas Property | Jun 2026 |
| 53494 | HARTNETT UNIT | Johnson County, TX | Gas Property | Jun 2026 |
| 53495 | HARTOIN-WALKER | Wichita County, TX | Oil & Gas Property | Feb 2013 |
| 53496 | HARTON STATE | Lea County, NM | Oil & Gas Property | Apr 2023 |
| 53497 | HARTS | Crawford County, KS | Oil Property | May 2026 |
| 53498 | HARTSELL | Pratt County, KS | Oil Property | Aug 2009 |
| 53499 | HARTSELL-CASTLEBERRY | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 53500 | HARTSFIELD | Pittsburg County, OK | Gas Property | Jun 2026 |