| 401 | NORTHWEST FETTER | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 402 | NORVILLE | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 403 | NUTCRACKER | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 404 | NW FETTER | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 405 | NW FETTER 2 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 406 | NWFU | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 407 | NWFU 27-34-71 USA A | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 408 | NWFU 30-34-71 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 409 | NYMAG FEDERAL COM | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 410 | OAKLEY FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 411 | OGALALLA | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 412 | OPAL FED 3467-1628 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 413 | ORION | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 414 | OTTO | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 415 | P LITTON FED | Converse County, WY | Gas Property | Nov 2009 |
| 416 | PACIFIC POWER 3675-27 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 417 | PADDYS IRISH FED 3976-26-25 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 418 | PAINT FEDERAL 4075-18-19-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 419 | PAINT ROCK CREEK 3874-10 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 420 | PANDORA | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 421 | PANDORA 440 28-21H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 422 | PATSY DRAW UNIT | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 423 | PATSY DRAW UNIT | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 424 | PATTERSON | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 425 | PATTERSON | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 426 | PDU TILLARD | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 427 | PDU WJ RANCH FED 22-153772-1XNH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 428 | PEARL FED 3467-1729 4NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 429 | PEDRO FED 3571-10 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 430 | PENGUIN 3573-0310 3NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 431 | PENROSE PEAK 3974-34-3 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 432 | PERIDOT 1114-0 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 433 | PHANTOM FED 4076-17-20-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 434 | PHELPS FED 3872-2029 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 435 | PHOENIX | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 436 | PHOENIX | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 437 | PINEY CREEK | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 438 | PINON 14E | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 439 | PIPPIN FED 4170-31-3 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 440 | PISCES | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 441 | POPSKULL | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 442 | POWDER HOUND FED 3976-14-23-1SH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 443 | POWELL | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 444 | POWELL | Converse County, WY | Oil & Gas Property | Feb 2021 |
| 445 | POWELL | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 446 | PRALINE FED 3572-2133 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 447 | PRAWN | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 448 | PRCC 264071 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 449 | PRCC FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 450 | QUEENS PARK FED 3 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 451 | R B WHITESIDE | Converse County, WY | Oil Property | Jul 1985 |
| 452 | RAGS FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 453 | RAIDER FED 3876-11-2-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 454 | RANKIN | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 455 | RANKIN 32-34-68 USA B | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 456 | RANKIN FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 457 | RAVENNA FEE 21-19 37-73H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 458 | RAZOR STATE 4076-12-1-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 459 | REBA FED 3671-30-31-1 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 460 | REBEL FED 3874 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 461 | REESE | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 462 | REFINERY | Converse County, WY | Oil & Gas Property | May 2018 |
| 463 | REMI FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 464 | REMI STATE | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 465 | REX FED 3571-21 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 466 | REX STATE 3571-21-16 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 467 | REYNOLDS | Converse County, WY | Oil & Gas Property | May 2026 |
| 468 | REYNOLDS | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 469 | RIDE FED 3670-28 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 470 | RIEHLE | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 471 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2004 |
| 472 | RITCHIE FED 3671-12 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 473 | ROBBINS | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 474 | ROBBINS UNIT | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 475 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 476 | ROBINSON | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 477 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 478 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 479 | ROPER FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 480 | RRC 16-34-70 USAC TR 21H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 481 | RRC 4-34-70 USA D TR 22H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 482 | RRC 5-34-70 USA B TR 2 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 483 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 484 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 485 | RU JFW FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 486 | RU PRCC FED 36-254072 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 487 | RU STATE FED 16-093972 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 488 | RU T-55 FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 489 | RUSSELL | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 490 | RUSSELL FEDERAL 3873-0706 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 491 | RUSTY FEDERAL 4075-23-14-1UH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 492 | SALISBURY | Converse County, WY | Oil & Gas Property | Nov 1990 |
| 493 | SAM FED 3571-18 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 494 | SAND DUNES | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 495 | SAND SPRINGS | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 496 | SAND TRAP 42-15 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 497 | SANTANA FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 498 | SAPPHIRE FED 3467-0706 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 499 | SAWMILL FEDERAL 3471-1102 1 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 500 | SCORPIO | Converse County, WY | Oil & Gas Property | Jul 2026 |