| 1601 | PREDATOR | Richland County, MT | Oil & Gas Property | May 2025 |
| 1602 | PREVOST | Richland County, MT | Oil & Gas Property | May 2025 |
| 1603 | PREVOST | Richland County, MT | Oil & Gas Property | Nov 2015 |
| 1604 | PREVOST-MONDALIN HSU | Richland County, MT | Oil & Gas Property | May 2025 |
| 1605 | PREWITT 21-25 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1606 | PREWITT 26-35 1TFH | Richland County, MT | Oil & Gas Property | May 2025 |
| 1607 | PREWITT 41X-28 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1608 | PRIMM | Blaine County, MT | Gas Property | May 2025 |
| 1609 | PROEFROCK | Toole County, MT | Oil & Gas Property | Jul 2013 |
| 1610 | PSC-PETAJA | Musselshell County, MT | Oil Property | Apr 2015 |
| 1611 | PUGH | Toole County, MT | Oil Property | Oct 2024 |
| 1612 | PURSLEY | Blaine County, MT | Oil & Gas Property | May 2025 |
| 1613 | PURSLEY | Hill County, MT | Gas Property | May 2025 |
| 1614 | PUTMAN | Toole County, MT | Oil Property | Nov 2022 |
| 1615 | PUTNAM | Toole County, MT | Oil Property | Mar 2025 |
| 1616 | PUTNAM | Richland County, MT | Oil & Gas Property | May 2025 |
| 1617 | PYTHON | Richland County, MT | Oil & Gas Property | May 2025 |
| 1618 | QUALLEY | Richland County, MT | Oil & Gas Property | May 2025 |
| 1619 | QUEST 9415 JV-P | Roosevelt County, MT | Oil & Gas Property | Apr 2025 |
| 1620 | R.S. ALLEN | Toole County, MT | Oil Property | Sep 1996 |
| 1621 | RABBIT | Blaine County, MT | Oil & Gas Property | Mar 2023 |
| 1622 | RABBIT | Blaine County, MT | Oil Property | May 2025 |
| 1623 | RALPH SWENS | Glacier County, MT | Oil Property | Mar 2025 |
| 1624 | RALSTON | Richland County, MT | Oil & Gas Property | May 2025 |
| 1625 | RAMBERG | Blaine County, MT | Gas Property | May 2025 |
| 1626 | RAMBERG | Blaine County, MT | Gas Property | May 2025 |
| 1627 | RANCHOLME | Big Horn County, MT | Gas Property | Aug 2019 |
| 1628 | RANCHOLME | Big Horn County, MT | Gas Property | Dec 2013 |
| 1629 | RANCHOLME 2 | Big Horn County, MT | Gas Property | Aug 2019 |
| 1630 | RANKIN | Toole County, MT | Gas Property | Apr 2025 |
| 1631 | RASK | Daniels County, MT | Oil Property | Oct 2022 |
| 1632 | RASMUSSEN | Richland County, MT | Oil & Gas Property | May 2025 |
| 1633 | RAU 1 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1634 | RAU 2 | Richland County, MT | Oil & Gas Property | Mar 1995 |
| 1635 | RAU 31X-23 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1636 | RAU 41X-15 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1637 | RAY T FEDERAL 2958 13-26H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 1638 | RAYMOND | Toole County, MT | Gas Property | Apr 2025 |
| 1639 | RAYMOND | Rosebud County, MT | Oil & Gas Property | Jun 2023 |
| 1640 | RDU 3 | Richland County, MT | Oil & Gas Property | Apr 2025 |
| 1641 | READ | Blaine County, MT | Gas Property | May 2025 |
| 1642 | REAGAN | Richland County, MT | Oil & Gas Property | May 2025 |
| 1643 | REAVIS | Big Horn County, MT | Gas Property | Aug 2019 |
| 1644 | RED CR | Glacier County, MT | Oil & Gas Property | May 2025 |
| 1645 | RED FOX 1 | Roosevelt County, MT | Oil & Gas Property | Nov 1991 |
| 1646 | REDSTONE | Valley County, MT | Oil & Gas Property | Nov 1986 |
| 1647 | REEG | Toole County, MT | Oil Property | May 2025 |
| 1648 | REEVES | Blaine County, MT | Gas Property | May 2025 |
| 1649 | REIDT | Toole County, MT | Gas Property | Apr 2025 |
| 1650 | REIMANN | Richland County, MT | Oil & Gas Property | May 2025 |
| 1651 | REMINGTON | Toole County, MT | Oil Property | Feb 2025 |
| 1652 | REMINGTON | Sheridan County, WY | Gas Property | Dec 2023 |
| 1653 | RENEGADE 1-10H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 1654 | RESTANA | Toole County, MT | Gas Property | Jan 2024 |
| 1655 | REUM | Hill County, MT | Gas Property | May 2025 |
| 1656 | REVEILLE FED. 2759 14-26H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 1657 | REVERE | Richland County, MT | Oil & Gas Property | May 2025 |
| 1658 | RICE | Toole County, MT | Gas Property | May 2025 |
| 1659 | RICE | Teton County, MT | Oil Property | Apr 2025 |
| 1660 | RICE BLUHM | Toole County, MT | Oil Property | May 2025 |
| 1661 | RICE STANNARD STATE | Toole County, MT | Oil Property | Mar 2025 |
| 1662 | RICE STATE | Toole County, MT | Oil Property | Mar 2025 |
| 1663 | RICHARD 21X-29 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1664 | RICHARDSON | Sheridan County, MT | Oil & Gas Property | Nov 2017 |
| 1665 | RICHARDSON 27 | Hill County, MT | Gas Property | May 2025 |
| 1666 | RICHARDSON 33-37-8 | Hill County, MT | Oil Property | Jul 2023 |
| 1667 | RICHLAND STATE 11X31 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1668 | RIDLE | Toole County, MT | Gas Property | Mar 2025 |
| 1669 | RIECKHOFF | Glacier County, MT | Oil Property | Dec 2024 |
| 1670 | RIMROCK-KENN | Toole County, MT | Oil Property | May 2025 |
| 1671 | RING FEDERAL 2858 44-34H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 1672 | RIPLEY 1-24H | Richland County, MT | Oil & Gas Property | May 2025 |
| 1673 | RISLEY 1 | Blaine County, MT | Gas Property | May 2025 |
| 1674 | RITA | Richland County, MT | Oil & Gas Property | May 2025 |
| 1675 | RITTENHOUSE | Toole County, MT | Gas Property | Apr 2025 |
| 1676 | RIVA RIDGE | Sheridan County, MT | Oil & Gas Property | Apr 2025 |
| 1677 | RKT CARDA 7-6 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1678 | ROBERT P<> | Toole County, MT | Gas Property | Apr 2025 |
| 1679 | ROBERTS | Rosebud County, MT | Oil & Gas Property | Oct 2024 |
| 1680 | ROBERTS | Richland County, MT | Oil & Gas Property | May 2025 |
| 1681 | ROBERTS | Blaine County, MT | Gas Property | May 2025 |
| 1682 | ROBERTS | Blaine County, MT | Gas Property | May 2025 |
| 1683 | ROBERTS 34X-8 | Richland County, MT | Oil & Gas Property | May 2025 |
| 1684 | ROBINSON | Blaine County, MT | Gas Property | May 2025 |
| 1685 | ROBINSON | Roosevelt County, MT | Oil & Gas Property | Apr 2025 |
| 1686 | ROBINSON | Carbon County, MT | Oil & Gas Property | May 2024 |
| 1687 | ROBINSON-FED | Blaine County, MT | Gas Property | May 2025 |
| 1688 | ROCK HAPPY 33-3H | Rosebud County, MT | Oil & Gas Property | May 2025 |
| 1689 | ROCKY | Richland County, MT | Oil & Gas Property | May 2025 |
| 1690 | ROCKY BOY | Hill County, MT | Gas Property | May 2025 |
| 1691 | ROCKY BOY | Hill County, MT | Gas Property | May 2025 |
| 1692 | ROCKY BOY-DIR 2 | Hill County, MT | Gas Property | May 2025 |
| 1693 | ROCKY-FRANZ 20-2-H | Richland County, MT | Oil & Gas Property | May 2025 |
| 1694 | ROCKY-ROSEMARY 29-14H | Richland County, MT | Oil & Gas Property | May 2025 |
| 1695 | ROGERS | Toole County, MT | Gas Property | May 2025 |
| 1696 | ROGERS | Toole County, MT | Gas Property | May 2025 |
| 1697 | ROGNAS | Richland County, MT | Oil & Gas Property | May 2025 |
| 1698 | ROGNAS-BARBARA HSU | Richland County, MT | Oil & Gas Property | May 2025 |
| 1699 | ROMO BRO | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 1700 | ROMO BRO MARGARET 2759 43-9B | Roosevelt County, MT | Oil & Gas Property | May 2025 |