| 1601 | PSC-PETAJA | Musselshell County, MT | Oil Property | Apr 2015 |
| 1602 | PUGH | Toole County, MT | Oil Property | Jul 2025 |
| 1603 | PURSLEY | Blaine County, MT | Oil & Gas Property | Jul 2025 |
| 1604 | PURSLEY | Hill County, MT | Gas Property | Jul 2025 |
| 1605 | PUTMAN | Toole County, MT | Oil Property | Nov 2022 |
| 1606 | PUTNAM | Toole County, MT | Oil Property | May 2025 |
| 1607 | PUTNAM | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1608 | PYTHON | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1609 | QUALLEY | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1610 | R.S. ALLEN | Toole County, MT | Oil Property | Sep 1996 |
| 1611 | RABBIT | Blaine County, MT | Oil & Gas Property | Mar 2023 |
| 1612 | RABBIT | Blaine County, MT | Oil Property | Jul 2025 |
| 1613 | RAISL(1-4-3C | Dawson County, MT | Oil & Gas Property | Jul 2025 |
| 1614 | RALPH SWENS | Glacier County, MT | Oil Property | Jul 2025 |
| 1615 | RALSTON | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1616 | RAMBERG | Blaine County, MT | Gas Property | Jul 2025 |
| 1617 | RAMBERG | Blaine County, MT | Gas Property | Jul 2025 |
| 1618 | RANCHOLME | Big Horn County, MT | Gas Property | Aug 2019 |
| 1619 | RANCHOLME | Big Horn County, MT | Gas Property | Dec 2013 |
| 1620 | RANCHOLME 2 | Big Horn County, MT | Gas Property | Aug 2019 |
| 1621 | RANKIN | Toole County, MT | Gas Property | Jun 2025 |
| 1622 | RASK | Daniels County, MT | Oil Property | Oct 2022 |
| 1623 | RASMUSSEN | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1624 | RAU 1 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1625 | RAU 2 | Richland County, MT | Oil & Gas Property | Mar 1995 |
| 1626 | RAU 31X-23 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1627 | RAU 41X-15 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1628 | RAY T FEDERAL 2958 13-26H | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1629 | RAYMOND | Toole County, MT | Gas Property | Jun 2025 |
| 1630 | RAYMOND | Rosebud County, MT | Oil & Gas Property | Jun 2023 |
| 1631 | RAYMOND SVEET 31-29H | Sheridan County, MT | Oil & Gas Property | Jul 2025 |
| 1632 | RDU 8 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1633 | READ | Blaine County, MT | Gas Property | Jul 2025 |
| 1634 | REAGAN | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1635 | REAVIS | Big Horn County, MT | Gas Property | Aug 2019 |
| 1636 | RED CR | Glacier County, MT | Oil & Gas Property | Jul 2025 |
| 1637 | RED FOX 1 | Roosevelt County, MT | Oil & Gas Property | Nov 1991 |
| 1638 | REDSTONE | Valley County, MT | Oil & Gas Property | Nov 1986 |
| 1639 | REEG | Toole County, MT | Oil Property | Jul 2025 |
| 1640 | REEVES | Blaine County, MT | Gas Property | Jul 2025 |
| 1641 | REIDT | Toole County, MT | Gas Property | Jun 2025 |
| 1642 | REIMANN | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1643 | REMINGTON | Toole County, MT | Oil Property | Feb 2025 |
| 1644 | REMINGTON | Sheridan County, WY | Gas Property | Dec 2023 |
| 1645 | RENEGADE 1-10H | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1646 | RESTANA | Toole County, MT | Gas Property | May 2025 |
| 1647 | REUM | Hill County, MT | Gas Property | Jul 2025 |
| 1648 | REVERE | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1649 | RICE | Toole County, MT | Gas Property | Jul 2025 |
| 1650 | RICE | Teton County, MT | Oil Property | May 2025 |
| 1651 | RICE BLUHM | Toole County, MT | Oil Property | Jul 2025 |
| 1652 | RICE STANNARD STATE | Toole County, MT | Oil Property | Mar 2025 |
| 1653 | RICE STATE | Toole County, MT | Oil Property | Jun 2025 |
| 1654 | RICHARD 21X-29 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1655 | RICHARDSON | Sheridan County, MT | Oil & Gas Property | Nov 2017 |
| 1656 | RICHARDSON 27 | Hill County, MT | Gas Property | Jul 2025 |
| 1657 | RICHARDSON 33-37-8 | Hill County, MT | Oil Property | Jul 2023 |
| 1658 | RIDLE | Toole County, MT | Gas Property | May 2025 |
| 1659 | RIECKHOFF | Glacier County, MT | Oil Property | Dec 2024 |
| 1660 | RIMROCK-KENN | Toole County, MT | Oil Property | Jul 2025 |
| 1661 | RING FEDERAL 2858 44-34H | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1662 | RIPLEY 1-24H | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1663 | RISLEY 1 | Blaine County, MT | Gas Property | Jul 2025 |
| 1664 | RITA | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1665 | RITTENHOUSE | Toole County, MT | Gas Property | Jun 2025 |
| 1666 | RIVA RIDGE | Sheridan County, MT | Oil & Gas Property | Jul 2025 |
| 1667 | RKT CARDA 7-6 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1668 | ROBERT P<> | Toole County, MT | Gas Property | May 2025 |
| 1669 | ROBERTS | Rosebud County, MT | Oil & Gas Property | May 2025 |
| 1670 | ROBERTS | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1671 | ROBERTS | Blaine County, MT | Gas Property | Jul 2025 |
| 1672 | ROBERTS | Blaine County, MT | Gas Property | Jul 2025 |
| 1673 | ROBERTS 34X-8 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1674 | ROBINSON | Blaine County, MT | Gas Property | Jul 2025 |
| 1675 | ROBINSON | Carbon County, MT | Oil & Gas Property | May 2024 |
| 1676 | ROBINSON-FED | Blaine County, MT | Gas Property | Jul 2025 |
| 1677 | ROCK HAPPY 33-3H | Rosebud County, MT | Oil & Gas Property | May 2025 |
| 1678 | ROCKY | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1679 | ROCKY BOY | Hill County, MT | Gas Property | Jul 2025 |
| 1680 | ROCKY BOY | Hill County, MT | Gas Property | Jul 2025 |
| 1681 | ROCKY BOY-DIR 2 | Hill County, MT | Gas Property | Jul 2025 |
| 1682 | ROCKY ROSEMARY 29-14-H | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1683 | ROCKY-FRANZ 20-2H | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1684 | ROGERS | Toole County, MT | Gas Property | Jul 2025 |
| 1685 | ROGERS | Toole County, MT | Gas Property | Jul 2025 |
| 1686 | ROGNAS | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1687 | ROGNAS-BARBARA HSU | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1688 | ROMO BRO | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1689 | ROMO BRO MARGARET 2759 43-9B | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1690 | RONIN | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 1691 | ROSE COULEE 2 | Hill County, MT | Gas Property | Jul 2025 |
| 1692 | ROSS | Blaine County, MT | Gas Property | Jul 2025 |
| 1693 | ROSSMILLER GOVT | Toole County, MT | Oil & Gas Property | Jul 2025 |
| 1694 | ROWIN 17 | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1695 | RPI COTTONWOOD 4-16HZ | Richland County, MT | Oil & Gas Property | Jul 2025 |
| 1696 | RUBY ALLEN | Toole County, MT | Oil & Gas Property | Jul 2025 |
| 1697 | RUDOLPH | Roosevelt County, MT | Oil & Gas Property | Jun 2025 |
| 1698 | RUDOLPH | Roosevelt County, MT | Oil & Gas Property | Jun 2020 |
| 1699 | RUEGSEGGER | Sheridan County, MT | Oil & Gas Property | Jul 2025 |
| 1700 | RUFFATTO | Richland County, MT | Oil & Gas Property | Jul 2025 |