| 18501 | CALLENDER | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 18502 | CALLHAM | Gray County, TX | Gas Property | Jan 2025 |
| 18503 | CALLICOTT BROTHERS | Stephens County, TX | Oil & Gas Property | Dec 2023 |
| 18504 | CALLICRATE | Cheyenne County, KS | Oil Property | Dec 2024 |
| 18505 | CALLIE | Dewey County, OK | Oil & Gas Property | May 2023 |
| 18506 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | Nov 2024 |
| 18507 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | Dec 2024 |
| 18508 | CALLIOPE | Westmoreland County, PA | Gas Property | Feb 2025 |
| 18509 | CALLIS | Rice County, KS | Oil Property | Dec 2024 |
| 18510 | CALLISON | Major County, OK | Oil & Gas Property | Jan 2025 |
| 18511 | CALLISON | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 18512 | CALLISON | Ellis County, KS | Oil Property | Dec 2024 |
| 18513 | CALLISON | Woodward County, OK | Oil & Gas Property | Jan 2025 |
| 18514 | CALLISON | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 18515 | CALLISON | Glacier County, MT | Gas Property | Feb 2025 |
| 18516 | CALLISON | Marion County, TX | Oil & Gas Property | Oct 2024 |
| 18517 | CALLISON-SINCLAIR-JOIE 1H | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 18518 | CALLISTER GOV | Rio Blanco County, CO | Gas Property | Sep 2013 |
| 18519 | CALLISTO GAS UNIT | Nacogdoches County, TX | Gas Property | Jan 2025 |
| 18520 | CALLOMA | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 18521 | CALLON AGENT | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 18522 | CALLOW | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 18523 | CALLOW | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 18524 | CALLOW FEDERAL | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 18525 | CALLOWAY | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 18526 | CALLOWAY | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 18527 | CALLY | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 18528 | CALM BREEZE 2 FEDERAL COM | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 18529 | CALMERS FEDERAL 6092 43-14T | Burke County, ND | Oil & Gas Property | Feb 2025 |
| 18530 | CALMES | Stephens County, OK | Oil Property | Jan 2025 |
| 18531 | CALMES | Stephens County, OK | Oil & Gas Property | Sep 2024 |
| 18532 | CALMES 0 | Walker County, AL | Gas Property | Feb 2025 |
| 18533 | CALMITCH BRA | Bradford County, PA | Gas Property | Feb 2025 |
| 18534 | CALMON 30 STATE | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 18535 | CALMONT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 18536 | CALMUS BIA | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 18537 | CALOR SECO 6 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 18538 | CALPLANS-POPPY RIDGE | Sacramento County, CA | Gas Property | Mar 1986 |
| 18539 | CALPLANS-TAYLOR SLOUGH | Contra Costa County, CA | Oil & Gas Property | Jun 1986 |
| 18540 | CALSO | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 18541 | CALSO 12-61H | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 18542 | CALTON A. D | Milam County, TX | Oil & Gas Property | Jan 2025 |
| 18543 | CALUMET | Ventura County, CA | Oil & Gas Property | Dec 2024 |
| 18544 | CALUMET | Canadian County, OK | Oil & Gas Property | Feb 2025 |
| 18545 | CALVARY | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 18546 | CALVARY FARMS | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 18547 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 18548 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 18549 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 18550 | CALVERLY | Glasscock County, TX | Oil & Gas Property | Feb 2017 |
| 18551 | CALVERLY | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 18552 | CALVERT | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 18553 | CALVERT | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 18554 | CALVERT | Ellis County, KS | Oil Property | Sep 2024 |
| 18555 | CALVERT | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 18556 | CALVERT | Concordia Parish, LA | Oil & Gas Property | Jun 2023 |
| 18557 | CALVERT | Terrebonne Parish, LA | Oil & Gas Property | Sep 2018 |
| 18558 | CALVERT | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 18559 | CALVERT | Texas County, OK | Gas Property | Jan 2025 |
| 18560 | CALVERT 0603-6-7 | McClain County, OK | Oil & Gas Property | Jan 2025 |
| 18561 | CALVERT 1-2 | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 18562 | CALVERT RANCH FRO | Frio County, TX | Oil & Gas Property | Dec 2024 |
| 18563 | CALVERT, A | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 18564 | CALVERT, WALTON E | Hopkins County, KY | Oil & Gas Property | Dec 2007 |
| 18565 | CALVIN | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 18566 | CALVIN | Richland County, MT | Oil & Gas Property | Feb 2025 |
| 18567 | CALVIN | Beckham County, OK | Oil & Gas Property | Nov 2024 |
| 18568 | CALVIN | Mahoning County, OH | Oil & Gas Property | Dec 2023 |
| 18569 | CALVIN | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 18570 | CALVIN | Gregg County, TX | Oil & Gas Property | Dec 2024 |
| 18571 | CALVIN | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 18572 | CALVIN | Jack County, TX | Oil & Gas Property | Nov 2024 |
| 18573 | CALVIN | Chautauqua County, KS | Oil & Gas Property | Jul 2024 |
| 18574 | CALVIN 11-21H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 18575 | CALVIN 8-16-9 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 18576 | CALVIN CORP 5 | Perry County, KY | Oil & Gas Property | Dec 2023 |
| 18577 | CALVIN I NIEMEYER | Erie County, PA | Gas Property | Dec 2019 |
| 18578 | CALVIN JR | Lee County, TX | Oil & Gas Property | Dec 2024 |
| 18579 | CALVIN LAWSON | Norton County, KS | Oil Property | Dec 2024 |
| 18580 | CALVIN RO | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 18581 | CALVIN S 1307 | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 18582 | CALVIN SHAFFER | Jefferson County, PA | Gas Property | Dec 2024 |
| 18583 | CALVIN SMITH HEIRS | Westmoreland County, PA | Gas Property | Dec 2024 |
| 18584 | CALVIN-FACHORN UNIT | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 18585 | CALVIN-STARNES UNIT | Cochran County, TX | Oil & Gas Property | Dec 2024 |
| 18586 | CALVIRD A | Sherman County, TX | Gas Property | Jan 2025 |
| 18587 | CALYPSO 29-16-9 | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 18588 | CALYPSO A | Lavaca County, TX | Oil & Gas Property | Jan 2025 |
| 18589 | CALZONE FEDERAL COM | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 18590 | CAMAC | Allen County, KS | Oil Property | Dec 2024 |
| 18591 | CAMACHO-WALTON | Coshocton County, OH | Oil & Gas Property | Dec 2007 |
| 18592 | CAMACK FEDERAL | Chaves County, NM | Gas Property | Feb 2025 |
| 18593 | CAMALI | Summit County, OH | Oil & Gas Property | Dec 1993 |
| 18594 | CAMALOT | Marshall County, OK | Oil Property | Jan 2025 |
| 18595 | CAMAR SW (STRAWN) UNIT | Schleicher County, TX | Oil & Gas Property | Jan 2025 |
| 18596 | CAMAR(STRAWN) FIELD UNIT | Schleicher County, TX | Oil & Gas Property | Sep 1996 |
| 18597 | CAMARGO GRAZING | Dewey County, OK | Oil & Gas Property | Aug 2011 |
| 18598 | CAMARGO RANCH | Dewey County, OK | Oil & Gas Property | Feb 2025 |
| 18599 | CAMARO | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 18600 | CAMARO | McMullen County, TX | Oil & Gas Property | Jan 2025 |