| 4001 | JOSEPH PERRI | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 4002 | JOSEPH POWERS | Washington County, PA | Oil & Gas Property | Feb 2025 |
| 4003 | JOSEPH R & KATHLEEN M BILSKI 1 | Erie County, PA | Gas Property | Dec 2024 |
| 4004 | JOSEPH R WROBLEWSKI | Erie County, PA | Oil & Gas Property | Dec 2010 |
| 4005 | JOSEPH SHIELDS | Jefferson County, PA | Gas Property | Dec 2024 |
| 4006 | JOSEPH SILVIS F22 | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4007 | JOSEPH STUCHELL | Indiana County, PA | Gas Property | Dec 2024 |
| 4008 | JOSEPH V FISHER | Beaver County, PA | Oil & Gas Property | Dec 2024 |
| 4009 | JOSEPHINE TUCHE ET VIR | Allegheny County, PA | Oil & Gas Property | Dec 2023 |
| 4010 | JOYCE | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 4011 | JP SMITH | Westmoreland County, PA | Gas Property | Feb 2025 |
| 4012 | JR NEUSE 1 | Forest County, PA | Oil Property | Dec 2018 |
| 4013 | JRGL UNIT | Butler County, PA | Oil & Gas Property | Feb 2025 |
| 4014 | JT FARM | Washington County, PA | Gas Property | Feb 2025 |
| 4015 | JUANITA D HOLENCIK | Clearfield County, PA | Gas Property | Dec 2024 |
| 4016 | JUD L. SEDWICK ETUX ETAL | Armstrong County, PA | Oil & Gas Property | Dec 2024 |
| 4017 | JUDD | Bradford County, PA | Gas Property | Feb 2025 |
| 4018 | JUDSON HOLLOW 302 | Potter County, PA | Gas Property | Feb 2025 |
| 4019 | JUDY BOWSER | Clarion County, PA | Gas Property | Feb 2025 |
| 4020 | JULES | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 4021 | JULIA A HALL & PATTY J STRONG | Clarion County, PA | Gas Property | Dec 2024 |
| 4022 | JULIA W. WATSON HEIRS | Indiana County, PA | Gas Property | Dec 2024 |
| 4023 | JULIE LEASE | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4024 | JUNE BERRINGER | Indiana County, PA | Gas Property | Dec 2024 |
| 4025 | JUPIN UNIT | Venango County, PA | Gas Property | Dec 2024 |
| 4026 | JUSER | Susquehanna County, PA | Gas Property | Feb 2025 |
| 4027 | JW WEDEKIND | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4028 | K CRISSMAN | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4029 | K J MCCRACKEN ET AL | Indiana County, PA | Gas Property | Dec 2024 |
| 4030 | K LOOMIS | Warren County, PA | Oil & Gas Property | Dec 2019 |
| 4031 | K MINICH | Clarion County, PA | Gas Property | Dec 2024 |
| 4032 | K NICHOLS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4033 | K SHICK | Clarion County, PA | Gas Property | Dec 2024 |
| 4034 | K STOCKHOLM | Susquehanna County, PA | Gas Property | Feb 2025 |
| 4035 | K&J/PO | Cambria County, PA | Gas Property | Dec 2024 |
| 4036 | KACZAK | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4037 | KACZAR | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4038 | KAHLE | Clarion County, PA | Gas Property | Dec 2024 |
| 4039 | KAHLE | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4040 | KAHLE | Clarion County, PA | Oil & Gas Property | Dec 2020 |
| 4041 | KALIE | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4042 | KALINOWSKI | Bradford County, PA | Gas Property | Feb 2025 |
| 4043 | KALP 1 | Westmoreland County, PA | Gas Property | Nov 2015 |
| 4044 | KALTENBACH | Butler County, PA | Oil Property | Dec 2016 |
| 4045 | KAMAL E YOUSSEF | Indiana County, PA | Gas Property | Dec 2024 |
| 4046 | KAMINSKY UNIT | Westmoreland County, PA | Gas Property | Feb 2025 |
| 4047 | KAMMERDIENER | Armstrong County, PA | Gas Property | Dec 2024 |
| 4048 | KANCEL UNIT | Washington County, PA | Gas Property | Feb 2025 |
| 4049 | KANE ESTATE | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4050 | KANE OIL | McKean County, PA | Oil Property | Dec 1994 |
| 4051 | KANE WILLIAM 11942 | Butler County, PA | Gas Property | Feb 2025 |
| 4052 | KAPLE YX | Potter County, PA | Gas Property | Feb 2025 |
| 4053 | KAPUSTA | Indiana County, PA | Gas Property | Dec 2024 |
| 4054 | KAREN MATHEWS ETAL | Clearfield County, PA | Gas Property | Dec 2024 |
| 4055 | KAREN O FOERTSCH | Butler County, PA | Gas Property | Feb 2025 |
| 4056 | KARL LIGHTCAP, ET | Indiana County, PA | Gas Property | Dec 2024 |
| 4057 | KARL S LIGHTCAP | Indiana County, PA | Gas Property | Dec 2024 |
| 4058 | KARMAZIN | Susquehanna County, PA | Gas Property | Feb 2025 |
| 4059 | KARP | Indiana County, PA | Gas Property | Dec 2024 |
| 4060 | KASABACK H1 | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4061 | KASS 1 | Susquehanna County, PA | Gas Property | Feb 2025 |
| 4062 | KATHERINE | Indiana County, PA | Gas Property | Dec 2024 |
| 4063 | KATHERINE SODMONT | Cambria County, PA | Gas Property | Dec 2024 |
| 4064 | KATHRYN | Bradford County, PA | Gas Property | Feb 2025 |
| 4065 | KATHRYN MOWERY ETAL | Clearfield County, PA | Gas Property | Dec 2024 |
| 4066 | KATHRYN PARRISH | Clearfield County, PA | Oil & Gas Property | Dec 2024 |
| 4067 | KATIE | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4068 | KATZENSTEIN | Bradford County, PA | Gas Property | Jan 2025 |
| 4069 | KAUFFMAN | Clearfield County, PA | Gas Property | Dec 2024 |
| 4070 | KAUFMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 4071 | KAUFMANN EAST UNIT | Bradford County, PA | Gas Property | Feb 2025 |
| 4072 | KAUFMANN UNIT | Bradford County, PA | Gas Property | Feb 2025 |
| 4073 | KAUL & HALL OIL & GAS | Elk County, PA | Gas Property | Dec 2024 |
| 4074 | KAUL & HALL SEC | Elk County, PA | Gas Property | Dec 2024 |
| 4075 | KAUL & HALL SECTI | Elk County, PA | Gas Property | Dec 2024 |
| 4076 | KEANE | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4077 | KEARNEY RICHARD UNIT | Washington County, PA | Gas Property | Feb 2025 |
| 4078 | KEARNS | Washington County, PA | Gas Property | Dec 2024 |
| 4079 | KEARNS UNIT | Washington County, PA | Oil & Gas Property | Feb 2025 |
| 4080 | KEATING | Forest County, PA | Oil Property | Dec 2007 |
| 4081 | KEBERT DEV INC | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 4082 | KEBERT DEVELOPERS INC | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 4083 | KEELER | Erie County, PA | Gas Property | Dec 2024 |
| 4084 | KEELER HOLLOW | Bradford County, PA | Gas Property | Feb 2025 |
| 4085 | KEENE UNIT | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 4086 | KEEVES J | Susquehanna County, PA | Gas Property | Feb 2025 |
| 4087 | KEFFER | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 4088 | KEIR N | Bradford County, PA | Gas Property | Feb 2025 |
| 4089 | KEIR S | Bradford County, PA | Gas Property | Feb 2025 |
| 4090 | KEISER | Clearfield County, PA | Gas Property | Dec 2024 |
| 4091 | KEITH D SNYDER | Jefferson County, PA | Gas Property | Dec 2024 |
| 4092 | KEITH SNYDER | Jefferson County, PA | Gas Property | Dec 2024 |
| 4093 | KELL | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4094 | KELL | Warren County, PA | Gas Property | Dec 2024 |
| 4095 | KELL FARM KM | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4096 | KELLAR | Forest County, PA | Oil Property | Dec 2024 |
| 4097 | KELLER | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4098 | KELLER | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4099 | KELLER & GEIST | Jefferson County, PA | Gas Property | Dec 2024 |
| 4100 | KELLY LAND | Armstrong County, PA | Gas Property | Dec 2024 |