| 1401 | DIEST | Monroe County, OH | Gas Property | Dec 2024 |
| 1402 | DIETRICH | Monroe County, OH | Gas Property | Jun 2025 |
| 1403 | DIETRICH | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 1404 | DIETZ | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 1405 | DILGARD | Ashland County, OH | Oil & Gas Property | Dec 2020 |
| 1406 | DILLER | Perry County, OH | Oil Property | Dec 2011 |
| 1407 | DILLES BOTTOM | Belmont County, OH | Gas Property | Jun 2025 |
| 1408 | DILLEY | Muskingum County, OH | Oil & Gas Property | Dec 2021 |
| 1409 | DILLEY | Licking County, OH | Oil & Gas Property | Dec 2010 |
| 1410 | DILLON | Muskingum County, OH | Oil & Gas Property | Dec 2005 |
| 1411 | DILLON | Morgan County, OH | Oil & Gas Property | Dec 2006 |
| 1412 | DILTS | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 1413 | DIMMERLING | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 1414 | DIMMERLING | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 1415 | DIMMERLING | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 1416 | DIMMERLING UNIT | Monroe County, OH | Oil & Gas Property | Jun 2025 |
| 1417 | DINGESS | Muskingum County, OH | Oil & Gas Property | Dec 2015 |
| 1418 | DINGEY | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 1419 | DINGEY | Morgan County, OH | Oil & Gas Property | Dec 2014 |
| 1420 | DINGUS UNIT | Noble County, OH | Oil & Gas Property | Jun 2025 |
| 1421 | DIOCESS OF STEUBENVILLE AKA MONKS | Morgan County, OH | Oil & Gas Property | Dec 2024 |
| 1422 | DIRENZO-FIMPLE UNIT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 1423 | DITTMER | Portage County, OH | Oil & Gas Property | Dec 1995 |
| 1424 | DITTOE | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 1425 | DIXON POOL | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 1426 | DK CARPENTER UNIT | Monroe County, OH | Oil & Gas Property | Jun 2025 |
| 1427 | DOBBIN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 1428 | DOBBINS | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 1429 | DOBRANSKY | Stark County, OH | Oil & Gas Property | Dec 2020 |
| 1430 | DOCIE A | Athens County, OH | Oil & Gas Property | Dec 2024 |
| 1431 | DOCTOR UNIT | Noble County, OH | Oil & Gas Property | Jun 2025 |
| 1432 | DODDERER | Meigs County, OH | Oil & Gas Property | Dec 1998 |
| 1433 | DODRILL | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 1434 | DODSON | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 1435 | DOLAN | Ashtabula County, OH | Oil & Gas Property | Dec 2007 |
| 1436 | DOLLISON | Noble County, OH | Oil & Gas Property | Jun 2025 |
| 1437 | DOMINATOR | Belmont County, OH | Gas Property | Jun 2025 |
| 1438 | DOMINO CDZ HR | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 1439 | DOMINO N | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 1440 | DOMINO NE CDZ HR 7H-A | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 1441 | DONAHUE | Perry County, OH | Oil Property | Dec 2024 |
| 1442 | DONAKER | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 1443 | DONALD | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 1444 | DONALD | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 1445 | DONALD | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 1446 | DONALD & JANET BARR | Ashland County, OH | Oil Property | Dec 2024 |
| 1447 | DONALD B | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 1448 | DONALD F WEIS | Hocking County, OH | Oil Property | Dec 2017 |
| 1449 | DONALD PASEK | Medina County, OH | Oil Property | Dec 2024 |
| 1450 | DONALD RICHARDSON | Morgan County, OH | Oil & Gas Property | Dec 2017 |
| 1451 | DONALDSON | Hocking County, OH | Oil Property | Dec 2024 |
| 1452 | DONATO 210 | Monroe County, OH | Gas Property | Jun 2025 |
| 1453 | DONNA E LND GR | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 1454 | DONNA N LND GR | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 1455 | DONNA NE LND GR 9H | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 1456 | DONNA NW LND GR | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 1457 | DONNA OTT 8-14-5 | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 1458 | DONNA W LND GR | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 1459 | DONNELLY | Medina County, OH | Oil & Gas Property | Dec 1989 |
| 1460 | DONNELLY | Perry County, OH | Oil Property | Dec 2024 |
| 1461 | DONNIE R. & VERNIE F. WEBB | Morgan County, OH | Oil & Gas Property | Dec 1998 |
| 1462 | DORNAN | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 1463 | DORNBIRER | Perry County, OH | Oil Property | Dec 2024 |
| 1464 | DORNON 210 | Belmont County, OH | Gas Property | Jun 2025 |
| 1465 | DOROTHY WOLFF | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 1466 | DORR | Athens County, OH | Oil & Gas Property | Dec 2023 |
| 1467 | DORSEY | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 1468 | DORSEY 210 | Belmont County, OH | Gas Property | Jun 2025 |
| 1469 | DORSON | Portage County, OH | Oil & Gas Property | Dec 1993 |
| 1470 | DOTTAVIO UNIT | Stark County, OH | Oil & Gas Property | Dec 2022 |
| 1471 | DOTY | Morgan County, OH | Oil & Gas Property | Dec 2001 |
| 1472 | DOTY D | Holmes County, OH | Oil & Gas Property | Dec 2021 |
| 1473 | DOUBLE D RANCH INC | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 1474 | DOUBLE JJ FARMS | Muskingum County, OH | Oil Property | Dec 1997 |
| 1475 | DOUGHERTY | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 1476 | DOUGHERTY | Monroe County, OH | Oil Property | Dec 2024 |
| 1477 | DOUGHERTY-FRAZIER | Guernsey County, OH | Oil & Gas Property | Dec 2016 |
| 1478 | DOUGHTY | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 1479 | DOUGLAS WICK | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 1480 | DOVE | Muskingum County, OH | Oil Property | Dec 2002 |
| 1481 | DOWNER | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 1482 | DOWNES | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 1483 | DOWNHOUR | Perry County, OH | Oil & Gas Property | Dec 2019 |
| 1484 | DOYEN NE WEL JF 3H | Jefferson County, OH | Gas Property | Jun 2025 |
| 1485 | DOYEN NW WEL JF 1H | Jefferson County, OH | Gas Property | Jun 2025 |
| 1486 | DOYEN SE WEL JF 4H | Jefferson County, OH | Gas Property | Jun 2025 |
| 1487 | DOYEN SW WEL JF 2H | Jefferson County, OH | Gas Property | Jun 2025 |
| 1488 | DOYLE | Muskingum County, OH | Oil Property | Dec 1999 |
| 1489 | DOYLE & JEAN FULMER | Holmes County, OH | Oil Property | Dec 2024 |
| 1490 | DOYLE SNYDER | Ashtabula County, OH | Oil & Gas Property | Dec 2014 |
| 1491 | DOZER | Hocking County, OH | Oil Property | Dec 2024 |
| 1492 | DOZER CHARLES | Hocking County, OH | Oil Property | Dec 2024 |
| 1493 | DR AWKWARD | Belmont County, OH | Gas Property | Jun 2025 |
| 1494 | DRAGONS BREATH | Belmont County, OH | Gas Property | Jun 2025 |
| 1495 | DRAKE | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 1496 | DRAKE | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 1497 | DRAKE | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 1498 | DRAKE | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 1499 | DREAMWEAVER | Belmont County, OH | Gas Property | Jun 2025 |
| 1500 | DREGER-HAU | Portage County, OH | Oil & Gas Property | Dec 2021 |