| 1601 | PREVOST | Richland County, MT | Oil & Gas Property | Nov 2015 |
| 1602 | PREVOST-MONDALIN HSU | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1603 | PREWITT 21-25 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1604 | PREWITT 41X-28 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1605 | PRIMM | Blaine County, MT | Gas Property | Mar 2025 |
| 1606 | PROEFROCK | Toole County, MT | Oil & Gas Property | Jul 2013 |
| 1607 | PSC-PETAJA | Musselshell County, MT | Oil Property | Apr 2015 |
| 1608 | PUGH | Toole County, MT | Oil Property | Oct 2024 |
| 1609 | PURSLEY | Blaine County, MT | Oil & Gas Property | Mar 2025 |
| 1610 | PURSLEY | Hill County, MT | Gas Property | Mar 2025 |
| 1611 | PUTMAN | Toole County, MT | Oil Property | Nov 2022 |
| 1612 | PUTNAM | Toole County, MT | Oil Property | Feb 2025 |
| 1613 | PUTNAM | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1614 | PYTHON | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1615 | QUALLEY | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1616 | R.S. ALLEN | Toole County, MT | Oil Property | Sep 1996 |
| 1617 | RABBIT | Blaine County, MT | Oil & Gas Property | Mar 2023 |
| 1618 | RABBIT | Blaine County, MT | Oil Property | Mar 2025 |
| 1619 | RAISL(1-4-3C | Dawson County, MT | Oil & Gas Property | Mar 2025 |
| 1620 | RALPH SWENS | Glacier County, MT | Oil Property | Mar 2025 |
| 1621 | RALSTON | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1622 | RAMBERG | Blaine County, MT | Gas Property | Mar 2025 |
| 1623 | RAMBERG | Blaine County, MT | Gas Property | Mar 2025 |
| 1624 | RANCHOLME | Big Horn County, MT | Gas Property | Aug 2019 |
| 1625 | RANCHOLME | Big Horn County, MT | Gas Property | Dec 2013 |
| 1626 | RANCHOLME 2 | Big Horn County, MT | Gas Property | Aug 2019 |
| 1627 | RANKIN | Toole County, MT | Gas Property | May 2024 |
| 1628 | RASK | Daniels County, MT | Oil Property | Oct 2022 |
| 1629 | RASMUSSEN | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1630 | RAU 1 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1631 | RAU 2 | Richland County, MT | Oil & Gas Property | Mar 1995 |
| 1632 | RAU 31X-23 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1633 | RAU 41X-15 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1634 | RAYMOND | Toole County, MT | Gas Property | Feb 2025 |
| 1635 | RAYMOND | Rosebud County, MT | Oil & Gas Property | Jun 2023 |
| 1636 | RDU 3 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1637 | READ | Blaine County, MT | Gas Property | Mar 2025 |
| 1638 | REAVIS | Big Horn County, MT | Gas Property | Aug 2019 |
| 1639 | RED CR | Glacier County, MT | Oil & Gas Property | Mar 2025 |
| 1640 | RED FOX 1 | Roosevelt County, MT | Oil & Gas Property | Nov 1991 |
| 1641 | REDSTONE | Valley County, MT | Oil & Gas Property | Nov 1986 |
| 1642 | REEG | Toole County, MT | Oil Property | Mar 2025 |
| 1643 | REEVES | Blaine County, MT | Gas Property | Mar 2025 |
| 1644 | REIDT | Toole County, MT | Gas Property | Feb 2025 |
| 1645 | REIMANN | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1646 | REMINGTON | Toole County, MT | Oil Property | Feb 2025 |
| 1647 | REMINGTON | Sheridan County, WY | Gas Property | Dec 2023 |
| 1648 | RENEGADE 1-10H | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1649 | RESTANA | Toole County, MT | Gas Property | Jan 2024 |
| 1650 | REUM | Hill County, MT | Gas Property | Mar 2025 |
| 1651 | REVEILLE FED. 2759 14-26H | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1652 | REVERE | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1653 | RICE | Toole County, MT | Gas Property | Feb 2025 |
| 1654 | RICE | Teton County, MT | Oil Property | Feb 2025 |
| 1655 | RICE BLUHM | Toole County, MT | Oil Property | Mar 2025 |
| 1656 | RICE STANNARD STATE | Toole County, MT | Oil Property | Mar 2025 |
| 1657 | RICE STATE | Toole County, MT | Oil Property | Mar 2025 |
| 1658 | RICHARD 21X-29 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1659 | RICHARDS | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1660 | RICHARDSON | Sheridan County, MT | Oil & Gas Property | Nov 2017 |
| 1661 | RICHARDSON 27 | Hill County, MT | Gas Property | Mar 2025 |
| 1662 | RICHARDSON 33-37-8 | Hill County, MT | Oil Property | Jul 2023 |
| 1663 | RICHLAND STATE 11X31 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1664 | RIDLE | Toole County, MT | Gas Property | Jan 2025 |
| 1665 | RIECKHOFF | Glacier County, MT | Oil Property | Dec 2024 |
| 1666 | RIMROCK KENN | Toole County, MT | Oil Property | Mar 2025 |
| 1667 | RIPLEY 1-24H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1668 | RISLEY 1 | Blaine County, MT | Gas Property | Mar 2025 |
| 1669 | RITA | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1670 | RITTENHOUSE | Toole County, MT | Gas Property | Feb 2025 |
| 1671 | RIVA RIDGE | Sheridan County, MT | Oil & Gas Property | Mar 2025 |
| 1672 | RKT CARDA 7-6 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1673 | ROBERT P<> | Toole County, MT | Gas Property | Feb 2025 |
| 1674 | ROBERTS | Rosebud County, MT | Oil & Gas Property | Oct 2024 |
| 1675 | ROBERTS | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1676 | ROBERTS | Blaine County, MT | Gas Property | Mar 2025 |
| 1677 | ROBERTS | Blaine County, MT | Gas Property | Mar 2025 |
| 1678 | ROBERTS 34X-8 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1679 | ROBINSON | Blaine County, MT | Gas Property | Mar 2025 |
| 1680 | ROBINSON | Carbon County, MT | Oil & Gas Property | May 2024 |
| 1681 | ROBINSON-FED | Blaine County, MT | Gas Property | Mar 2025 |
| 1682 | ROCK HAPPY 33-3H | Rosebud County, MT | Oil & Gas Property | Mar 2025 |
| 1683 | ROCKY 42X-13 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1684 | ROCKY BOY | Hill County, MT | Gas Property | Mar 2025 |
| 1685 | ROCKY BOY | Hill County, MT | Gas Property | Mar 2025 |
| 1686 | ROCKY BOY-DIR 2 | Hill County, MT | Gas Property | Mar 2025 |
| 1687 | ROCKY CONRAD 29-2H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1688 | ROCKY-FRANZ 20-2-H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1689 | ROCKY-ROSEMARY 29-14H | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1690 | ROGERS | Toole County, MT | Gas Property | Feb 2025 |
| 1691 | ROGERS | Toole County, MT | Gas Property | Feb 2025 |
| 1692 | ROGNAS | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1693 | ROGNAS-BARBARA HSU | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1694 | ROMO BRO | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1695 | ROMO BRO MARGARET 2759 43-9B | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1696 | ROSE COULEE 2 | Hill County, MT | Gas Property | Dec 2024 |
| 1697 | ROSS | Blaine County, MT | Gas Property | Mar 2025 |
| 1698 | ROSSMILLER GOVT | Toole County, MT | Oil & Gas Property | Mar 2025 |
| 1699 | ROWIN 17 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 1700 | RPI COTTONWOOD 4-16HZ | Richland County, MT | Oil & Gas Property | Mar 2025 |