| 59001 | IRWIN | Throckmorton County, TX | Oil & Gas Property | Jan 2024 |
| 59002 | IRWIN | Woods County, OK | Oil & Gas Property | Nov 2019 |
| 59003 | IRWIN | Nacogdoches County, TX | Oil & Gas Property | Jan 2024 |
| 59004 | IRWIN 1 | Williams County, ND | Oil & Gas Property | Feb 2024 |
| 59005 | IRWIN 13 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 59006 | IRWIN 23 14 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 59007 | IRWIN 6-65 23-11 | Elbert County, CO | Oil & Gas Property | Feb 2024 |
| 59008 | IRWIN A 1 | Leon County, TX | Oil & Gas Property | Jan 2024 |
| 59009 | IRWIN BEN | Nacogdoches County, TX | Oil & Gas Property | Jan 2024 |
| 59010 | IRWIN ESTATE 12704 | Washington County, PA | Gas Property | Feb 2024 |
| 59011 | IRWIN I | McKean County, PA | Oil Property | Dec 2019 |
| 59012 | IRWIN STANLEY | Throckmorton County, TX | Oil & Gas Property | Jan 2024 |
| 59013 | IRWIN, JOHN R | Medina County, TX | Oil & Gas Property | Jun 2013 |
| 59014 | IRWIN-BERYLWOOD | Ventura County, CA | Oil & Gas Property | Dec 2023 |
| 59015 | ISA 1H | Lycoming County, PA | Gas Property | Feb 2024 |
| 59016 | ISA 2H | Lycoming County, PA | Gas Property | Feb 2024 |
| 59017 | ISA 3H | Lycoming County, PA | Gas Property | Feb 2024 |
| 59018 | ISA 7H | Lycoming County, PA | Gas Property | Feb 2024 |
| 59019 | ISAAC | Meade County, KS | Oil & Gas Property | Nov 2001 |
| 59020 | ISAAC | Hardin County, TX | Oil & Gas Property | Jan 2024 |
| 59021 | ISAAC | Nacogdoches County, TX | Oil & Gas Property | Jan 2024 |
| 59022 | ISAAC | Pawnee County, KS | Oil Property | Nov 2023 |
| 59023 | ISAAC | Magoffin County, KY | Gas Property | Dec 2021 |
| 59024 | ISAAC | Beaver County, OK | Gas Property | Jan 2020 |
| 59025 | ISAAC 11-23H | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 59026 | ISAAC C PARKER 18-09-16 | Kingfisher County, OK | Oil & Gas Property | Jan 2024 |
| 59027 | ISAAC RAWLS | Caddo Parish, LA | Oil Property | Jan 2024 |
| 59028 | ISAAC TAYLOR | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 59029 | ISAAC TAYLOR 0606 | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 59030 | ISAACS | Seminole County, OK | Oil Property | Jan 2013 |
| 59031 | ISAACS | Roberts County, TX | Oil & Gas Property | Jan 2024 |
| 59032 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 59033 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 59034 | ISAACS DAVID Q | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 59035 | ISAACS JOHN | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 59036 | ISAACS UNIT 2H | Butler County, PA | Oil & Gas Property | Feb 2024 |
| 59037 | ISAACS-SIMPSON | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 59038 | ISAAK | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 59039 | ISABEL | Caddo Parish, LA | Oil & Gas Property | Dec 2023 |
| 59040 | ISABEL | Big Horn County, WY | Oil & Gas Property | Feb 2024 |
| 59041 | ISABEL | Kern County, CA | Oil & Gas Property | Dec 2023 |
| 59042 | ISABEL | Sherman County, KS | Gas Property | Dec 2023 |
| 59043 | ISABEL | Ector County, TX | Oil & Gas Property | Jan 2024 |
| 59044 | ISABEL | Jefferson County, PA | Oil & Gas Property | Dec 2023 |
| 59045 | ISABEL A | San Juan County, NM | Gas Property | Feb 2024 |
| 59046 | ISABEL REPINE | Indiana County, PA | Gas Property | Dec 2023 |
| 59047 | ISABELLA | Gonzales County, TX | Oil & Gas Property | Apr 2003 |
| 59048 | ISABELLA FEDERAL 6093 42-24H | Burke County, ND | Oil & Gas Property | Feb 2024 |
| 59049 | ISABELLA MAGNESS | Sabine Parish, LA | Oil Property | Dec 2023 |
| 59050 | ISABELLA POWELL | Meigs County, OH | Oil & Gas Property | Dec 2020 |
| 59051 | ISABELLA TTT 41-26HU | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 59052 | ISABELLE | Finney County, KS | Oil Property | Dec 2023 |
| 59053 | ISABELLE | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 59054 | ISADORE 6-7H | Stark County, ND | Oil & Gas Property | Feb 2024 |
| 59055 | ISALY | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 59056 | ISBELL | Grimes County, TX | Oil & Gas Property | Jan 2024 |
| 59057 | ISBELL | Bradford County, PA | Gas Property | Feb 2024 |
| 59058 | ISBELL | Johnson County, TX | Oil & Gas Property | Jan 2024 |
| 59059 | ISBELL 21 | Parker County, TX | Oil & Gas Property | Jan 2024 |
| 59060 | ISBELL HORIZONTAL UNIT | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 59061 | ISBELL-FRY | Jones County, TX | Oil Property | Nov 2023 |
| 59062 | ISBILL | McClain County, OK | Oil & Gas Property | Oct 2023 |
| 59063 | ISCO A | Los Angeles County, CA | Oil & Gas Property | Jan 1993 |
| 59064 | ISEMAN | Armstrong County, PA | Gas Property | Dec 2023 |
| 59065 | ISENBART | Woods County, OK | Oil & Gas Property | Jan 2024 |
| 59066 | ISENBERGER | Converse County, WY | Gas Property | Nov 2015 |
| 59067 | ISENHOUR | Sublette County, WY | Oil & Gas Property | Nov 2023 |
| 59068 | ISENHOWER | Callahan County, TX | Oil & Gas Property | Jan 2024 |
| 59069 | ISENHOWER W. EST | Eastland County, TX | Oil & Gas Property | Jan 2024 |
| 59070 | ISENSEE | Nueces County, TX | Oil & Gas Property | Jan 2024 |
| 59071 | ISERN | Ness County, KS | Oil Property | Mar 2023 |
| 59072 | ISERN | Barton County, KS | Oil & Gas Property | Dec 2023 |
| 59073 | ISERNHAGEN | Cheyenne County, KS | Gas Property | Dec 2023 |
| 59074 | ISG/DCE | Cuyahoga County, OH | Oil & Gas Property | Dec 2023 |
| 59075 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Apr 2023 |
| 59076 | ISHIBASHI | Orange County, CA | Oil & Gas Property | Jul 1989 |
| 59077 | ISHIGURO | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 59078 | ISHMAN | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 59079 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Jan 2024 |
| 59080 | ISLAND | Seminole County, OK | Oil & Gas Property | Jan 2024 |
| 59081 | ISLAND BUTTE | Montezuma County, CO | Oil & Gas Property | Feb 2024 |
| 59082 | ISLAND CREEK | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 59083 | ISLAND CREEK | Mingo County, WV | Gas Property | Dec 2021 |
| 59084 | ISLAND CREEK CO | Hopkins County, KY | Oil & Gas Property | Dec 2022 |
| 59085 | ISLAND CREEK CO | Logan County, WV | Oil & Gas Property | Dec 2021 |
| 59086 | ISLAND CREEK COAL | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 59087 | ISLAND CREEK COAL C | McDowell County, WV | Gas Property | Dec 2021 |
| 59088 | ISLAND CREEK COAL CO | Hopkins County, KY | Oil & Gas Property | Dec 2021 |
| 59089 | ISLAND LAKE 6092 12-24H | Burke County, ND | Oil & Gas Property | Feb 2024 |
| 59090 | ISLAND PARK B | Garfield County, CO | Oil & Gas Property | Jan 2024 |
| 59091 | ISLAND RANCH | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 59092 | ISLAND U | Uintah County, UT | Oil & Gas Property | Dec 2015 |
| 59093 | ISLAND U | Uintah County, UT | Oil & Gas Property | Feb 2024 |
| 59094 | ISLAND UNIT | Uintah County, UT | Oil & Gas Property | Feb 2024 |
| 59095 | ISLE | Montgomery County, KS | Gas Property | Dec 2023 |
| 59096 | ISLE ROYAL 148-95-02A-11H-TF-LL | Dunn County, ND | Oil & Gas Property | Feb 2024 |
| 59097 | ISLER FE | Chaves County, NM | Gas Property | Feb 2024 |
| 59098 | ISLER FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2017 |
| 59099 | ISLER PENNZOIL FEDERAL | Chaves County, NM | Gas Property | Apr 2020 |
| 59100 | ISLES LANE | Caddo Parish, LA | Oil Property | Dec 2023 |