| 4001 | HEARTWOOD FORESTLAND | Lincoln County, WV | Gas Property | Dec 2021 |
| 4002 | HEARTWOOD FORESTLAND | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 4003 | HEARTWOOD FORESTLAND | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 4004 | HEARTWOOD FORESTLAND | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 4005 | HEARTWOOD FORESTLAND | Jackson County, WV | Oil & Gas Property | Dec 2021 |
| 4006 | HEARTWOOD FORESTLAND | Wyoming County, WV | Gas Property | Dec 2021 |
| 4007 | HEARTWOOD FORESTLAND FUND 30 | McDowell County, WV | Gas Property | Dec 2021 |
| 4008 | HEARTWOOD FORESTLAND FUND 51 | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 4009 | HEASLEY STATE | Lea County, NM | Gas Property | Apr 2026 |
| 4010 | HEASLEYS NURSERIES UNIT | Butler County, PA | Gas Property | Jun 2026 |
| 4011 | HEASTER, CHARLES P | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 4012 | HEASTON UNIT | Gray County, TX | Oil & Gas Property | Apr 2026 |
| 4013 | HEATER | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 4014 | HEATER | Campbell County, WY | Oil & Gas Property | Mar 2004 |
| 4015 | HEATER, ORIE LEE | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 4016 | HEATH | Seminole County, OK | Oil & Gas Property | Jul 2026 |
| 4017 | HEATH | Sweetwater County, WY | Oil & Gas Property | Jun 2026 |
| 4018 | HEATH | Harper County, KS | Oil & Gas Property | May 2026 |
| 4019 | HEATH | Stevens County, KS | Gas Property | May 2026 |
| 4020 | HEATH | Denton County, TX | Gas Property | Jun 2026 |
| 4021 | HEATH | Seward County, KS | Gas Property | May 2026 |
| 4022 | HEATH | Yuma County, CO | Gas Property | May 2026 |
| 4023 | HEATH | Nueces County, TX | Oil & Gas Property | May 2025 |
| 4024 | HEATH | Cass County, TX | Oil & Gas Property | Jun 2026 |
| 4025 | HEATH | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 4026 | HEATH | Lewis County, WV | Oil & Gas Property | Apr 2019 |
| 4027 | HEATH | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 4028 | HEATH | Liberty County, MT | Gas Property | Feb 2018 |
| 4029 | HEATH 16/9-19-17 | Dewey County, OK | Oil & Gas Property | Jul 2026 |
| 4030 | HEATH ARTIE BELL | Nueces County, TX | Oil & Gas Property | May 2010 |
| 4031 | HEATH ELIZABETH | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 4032 | HEATH GAS COM | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 4033 | HEATH O. A | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 4034 | HEATH W-019284 1 | Crook County, WY | Oil Property | Jul 2026 |
| 4035 | HEATH, FRANK | Randolph County, WV | Oil & Gas Property | Dec 2021 |
| 4036 | HEATHER | Carson County, TX | Oil & Gas Property | Jun 2026 |
| 4037 | HEATHER | Pottawatomie County, OK | Oil & Gas Property | Jun 2019 |
| 4038 | HEATHER | Cass County, TX | Oil Property | Jun 2026 |
| 4039 | HEATHER | Lincoln County, OK | Oil & Gas Property | Jul 2026 |
| 4040 | HEATHER | Woods County, OK | Oil & Gas Property | Jun 2026 |
| 4041 | HEATHER | Fayette County, TX | Oil & Gas Property | Jun 2026 |
| 4042 | HEATHER 1 | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 4043 | HEATHER USA 13-35TFH | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 4044 | HEATHINGTON | Comanche County, TX | Oil & Gas Property | Jun 2026 |
| 4045 | HEATLEY | Texas County, OK | Oil & Gas Property | Jun 2026 |
| 4046 | HEATLEY | Grayson County, TX | Oil Property | Jun 2026 |
| 4047 | HEATLEY, J. W | Taylor County, TX | Oil & Gas Property | May 2026 |
| 4048 | HEATON | Stafford County, KS | Oil Property | May 2026 |
| 4049 | HEATON | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 4050 | HEATON | Knox County, OH | Oil Property | Dec 2025 |
| 4051 | HEATON | Holmes County, OH | Oil & Gas Property | Dec 2025 |
| 4052 | HEATON NO. 1 GAS UNIT | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 4053 | HEATON TRUST A2-15 | Washtenaw County, MI | Oil Property | Aug 2026 |
| 4054 | HEATWAVE | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 4055 | HEATWOLE | Glacier County, MT | Gas Property | Apr 2023 |
| 4056 | HEAVEY 1 | Hill County, MT | Gas Property | Jun 2026 |
| 4057 | HEAVEY-FEDERAL | Hill County, MT | Gas Property | Jun 2026 |
| 4058 | HEAVNER, RICHARD | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 4059 | HEBDA VANDEMARK | Bradford County, PA | Gas Property | Jun 2026 |
| 4060 | HEBE | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 4061 | HEBERER GUS | Bexar County, TX | Oil & Gas Property | Jun 2026 |
| 4062 | HEBERLE 4 | Yellowstone County, MT | Oil & Gas Property | Oct 2021 |
| 4063 | HEBERT | Liberty County, TX | Oil & Gas Property | Jun 2026 |
| 4064 | HEBERT | St. Martin Parish, LA | Oil & Gas Property | Jul 1984 |
| 4065 | HEBERT | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 4066 | HEBERT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 4067 | HEBERT | Hardin County, TX | Oil & Gas Property | Sep 2025 |
| 4068 | HEBERT-EBBERT | Hardin County, TX | Oil & Gas Property | May 2026 |
| 4069 | HEBNER | Chautauqua County, NY | Gas Property | Dec 2025 |
| 4070 | HEBNER | Cattaraugus County, NY | Gas Property | Dec 2025 |
| 4071 | HEBO | Cotton County, OK | Oil Property | May 2026 |
| 4072 | HEBRON | Jackson County, CO | Oil & Gas Property | May 2026 |
| 4073 | HECK | Neosho County, KS | Gas Property | May 2026 |
| 4074 | HECK | Jefferson County, KS | Gas Property | Mar 1989 |
| 4075 | HECK J | Allegan County, MI | Oil Property | Jul 2026 |
| 4076 | HECK, B. F., ETAL | Wirt County, WV | Oil & Gas Property | Dec 2018 |
| 4077 | HECKEL | Rice County, KS | Oil & Gas Property | May 2026 |
| 4078 | HECKEL | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 4079 | HECKEL | Muskingum County, OH | Oil & Gas Property | Dec 2007 |
| 4080 | HECKENBERG | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 4081 | HECKER | Logan County, KS | Oil Property | Jun 2012 |
| 4082 | HECKER | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 4083 | HECKER | Thomas County, KS | Oil Property | May 2026 |
| 4084 | HECKER | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 4085 | HECKER 21-5H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 4086 | HECKMAN | Montgomery County, KS | Gas Property | May 2026 |
| 4087 | HECKMAN | Bradford County, PA | Gas Property | Jun 2026 |
| 4088 | HECKMAN | Kay County, OK | Oil & Gas Property | May 2026 |
| 4089 | HECKMAN 7-6-1H | Divide County, ND | Oil & Gas Property | Jun 2026 |
| 4090 | HECKMANN UNIT | Washington County, TX | Oil & Gas Property | Jun 2026 |
| 4091 | HECLA | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 4092 | HECO LTD 20-28-13 | Woods County, OK | Oil & Gas Property | Jun 2026 |
| 4093 | HECTOR | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 4094 | HEDBERG ESTATE | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 4095 | HEDDLESON | Noble County, OH | Gas Property | Dec 2022 |
| 4096 | HEDDLESON | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 4097 | HEDDLESON | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 4098 | HEDDLESON CL | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 4099 | HEDEGAARD | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 4100 | HEDERHORST | Rooks County, KS | Oil Property | May 2026 |