| 4601 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | May 2026 |
| 4602 | ROBBINS, F.S | Jackson County, TX | Oil & Gas Property | Mar 2010 |
| 4603 | ROBBINS, WAYNE | Stephens County, TX | Oil & Gas Property | Apr 2026 |
| 4604 | ROBBINS-FINE | Crawford County, AR | Gas Property | Jun 2024 |
| 4605 | ROBEDEAUX | Noble County, OK | Oil & Gas Property | Apr 2026 |
| 4606 | ROBEDEAUX | Pawnee County, OK | Oil & Gas Property | Jun 2018 |
| 4607 | ROBERDEAU | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 4608 | ROBERDS | Eastland County, TX | Oil & Gas Property | Feb 2026 |
| 4609 | ROBERNE FEDERAL | Lea County, NM | Oil & Gas Property | May 2026 |
| 4610 | ROBERSON | Rusk County, TX | Oil & Gas Property | Apr 2026 |
| 4611 | ROBERSON | Washita County, OK | Oil & Gas Property | May 2026 |
| 4612 | ROBERSON | Pontotoc County, OK | Oil Property | Apr 2026 |
| 4613 | ROBERSON | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 4614 | ROBERSON | Union Parish, LA | Gas Property | Nov 2024 |
| 4615 | ROBERSON | Franklin County, KS | Oil Property | Mar 2026 |
| 4616 | ROBERSON | Columbia County, AR | Oil & Gas Property | Mar 2012 |
| 4617 | ROBERSON | Caddo Parish, LA | Oil & Gas Property | Aug 2024 |
| 4618 | ROBERSON 1 | Coal County, OK | Oil & Gas Property | May 2026 |
| 4619 | ROBERSON J | Stephens County, TX | Oil & Gas Property | Apr 2026 |
| 4620 | ROBERSON JOE | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 4621 | ROBERT | Jefferson County, PA | Gas Property | Dec 2025 |
| 4622 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 4623 | ROBERT | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 4624 | ROBERT | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 4625 | ROBERT | Greenwood County, KS | Oil Property | Jun 2015 |
| 4626 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 4627 | ROBERT | Barton County, KS | Oil Property | May 2025 |
| 4628 | ROBERT | Grant County, OK | Oil & Gas Property | May 2026 |
| 4629 | ROBERT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 4630 | ROBERT | Allen County, KS | Oil Property | Nov 2019 |
| 4631 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 4632 | ROBERT | Jefferson County, PA | Gas Property | Dec 2025 |
| 4633 | ROBERT | Pittsburg County, OK | Gas Property | Apr 2026 |
| 4634 | ROBERT | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 4635 | ROBERT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 4636 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 4637 | ROBERT | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 4638 | ROBERT | Hughes County, OK | Gas Property | Jul 2017 |
| 4639 | ROBERT | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 4640 | ROBERT | Wilson County, KS | Gas Property | Mar 2026 |
| 4641 | ROBERT | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 4642 | ROBERT | Beaver County, OK | Oil & Gas Property | Apr 2026 |
| 4643 | ROBERT | Warren County, PA | Gas Property | Dec 2025 |
| 4644 | ROBERT | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 4645 | ROBERT | Perry County, OH | Oil & Gas Property | Dec 1995 |
| 4646 | ROBERT | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 4647 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 4648 | ROBERT | Indiana County, PA | Gas Property | Dec 2015 |
| 4649 | ROBERT | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 4650 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 4651 | ROBERT | Erie County, PA | Gas Property | Dec 2025 |
| 4652 | ROBERT & BONNIE KILPATRICK | Muskingum County, OH | Oil Property | Dec 2025 |
| 4653 | ROBERT & FRANCIS HOUSE | Holmes County, OH | Oil & Gas Property | Dec 2025 |
| 4654 | ROBERT & L | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 4655 | ROBERT & PAULETTE | Indiana County, PA | Gas Property | Dec 2025 |
| 4656 | ROBERT & PAULINE GORTNER | Ashland County, OH | Oil & Gas Property | Dec 2025 |
| 4657 | ROBERT 1-13H | Williams County, ND | Oil & Gas Property | May 2026 |
| 4658 | ROBERT 1306 | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 4659 | ROBERT 211 | Monroe County, OH | Gas Property | Mar 2026 |
| 4660 | ROBERT 2806 | Grant County, OK | Oil & Gas Property | Apr 2026 |
| 4661 | ROBERT 3-27HN | Divide County, ND | Oil & Gas Property | May 2026 |
| 4662 | ROBERT A HOY | Clarion County, PA | Gas Property | Dec 2025 |
| 4663 | ROBERT A. SIMONSON | Seward County, KS | Oil Property | Feb 2026 |
| 4664 | ROBERT A. WILLIAMSON | Coshocton County, OH | Oil Property | Dec 2025 |
| 4665 | ROBERT ALLISON L | Clarion County, PA | Gas Property | Dec 2025 |
| 4666 | ROBERT AND THE CRUSADERS 23-24 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 4667 | ROBERT B | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 4668 | ROBERT BEECH | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 4669 | ROBERT BOLDIN | Indiana County, PA | Gas Property | Dec 2025 |
| 4670 | ROBERT BONE ROBERT BONE BRK | Brooke County, WV | Oil & Gas Property | Dec 2021 |
| 4671 | ROBERT BOWERSOX | Clarion County, PA | Gas Property | Dec 2025 |
| 4672 | ROBERT BOWMAN UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 4673 | ROBERT BOYD SPENCE | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 4674 | ROBERT BURN | Clarion County, PA | Gas Property | Apr 2026 |
| 4675 | ROBERT BURNS | Clarion County, PA | Gas Property | Dec 2025 |
| 4676 | ROBERT BUSH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 4677 | ROBERT BUTERBAUGH | Indiana County, PA | Gas Property | Dec 2025 |
| 4678 | ROBERT C ALLISON | Clarion County, PA | Gas Property | Dec 2025 |
| 4679 | ROBERT C LEVIN ET UX | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 4680 | ROBERT C ULMER A | Lycoming County, PA | Gas Property | Apr 2026 |
| 4681 | ROBERT C. CRISSMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 4682 | ROBERT C. HILLEN ETUX | Fayette County, PA | Gas Property | Dec 2025 |
| 4683 | ROBERT CAMPBELL | Neosho County, KS | Oil Property | Dec 2025 |
| 4684 | ROBERT COLEMAN | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 4685 | ROBERT CRAR | Stanton County, KS | Gas Property | Mar 2026 |
| 4686 | ROBERT CREWS | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 4687 | ROBERT D | Crawford County, PA | Gas Property | Dec 2025 |
| 4688 | ROBERT D | Indiana County, PA | Gas Property | Dec 2025 |
| 4689 | ROBERT D BURROWS | Roger Mills County, OK | Oil & Gas Property | Nov 2017 |
| 4690 | ROBERT DAVIES | Seward County, KS | Oil & Gas Property | Mar 2026 |
| 4691 | ROBERT DIXON | Coshocton County, OH | Oil & Gas Property | Dec 1989 |
| 4692 | ROBERT DULIN | La Plata County, CO | Gas Property | Apr 2026 |
| 4693 | ROBERT E LEE | Seward County, KS | Gas Property | Jan 2013 |
| 4694 | ROBERT E PATRICK | Armstrong County, PA | Gas Property | Dec 2025 |
| 4695 | ROBERT E WISSINGER | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 4696 | ROBERT FOLEY | Morgan County, OH | Oil & Gas Property | Dec 2025 |
| 4697 | ROBERT FOX ET AL FOX 2 | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 4698 | ROBERT FRANCIS | Licking County, OH | Oil Property | Dec 1990 |
| 4699 | ROBERT G. MORRIS | Kearny County, KS | Gas Property | Mar 2026 |
| 4700 | ROBERT GRAHAM | Westmoreland County, PA | Gas Property | Dec 2025 |