| 4001 | KELLER | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4002 | KELLER & GEIST | Jefferson County, PA | Gas Property | Dec 2023 |
| 4003 | KELLY LAND | Armstrong County, PA | Gas Property | Dec 2023 |
| 4004 | KEMERER | Greene County, PA | Gas Property | Dec 2023 |
| 4005 | KEMP | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4006 | KEMSOD | Greene County, PA | Gas Property | Sep 2024 |
| 4007 | KEN MENTCH | Indiana County, PA | Gas Property | Dec 2023 |
| 4008 | KEN TON 902 | Potter County, PA | Gas Property | Sep 2024 |
| 4009 | KENDALL | Indiana County, PA | Gas Property | Dec 2023 |
| 4010 | KENDALL EASTBRANCH 1 | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 4011 | KENDALL UNIT | Washington County, PA | Gas Property | Sep 2024 |
| 4012 | KENMAR HC A | Lycoming County, PA | Gas Property | Sep 2024 |
| 4013 | KENNEDY | Elk County, PA | Oil & Gas Property | Dec 2019 |
| 4014 | KENNEDY | Jefferson County, PA | Gas Property | Dec 2023 |
| 4015 | KENNEDY | Jefferson County, PA | Gas Property | Dec 2023 |
| 4016 | KENNEDY 137 | Tioga County, PA | Gas Property | Sep 2024 |
| 4017 | KENNEDY DEV | McKean County, PA | Oil Property | Dec 1997 |
| 4018 | KENNEDY UNIT | Butler County, PA | Oil & Gas Property | Sep 2024 |
| 4019 | KENNEDY UNIT | Washington County, PA | Gas Property | Sep 2024 |
| 4020 | KENNEMUTH | Clarion County, PA | Oil & Gas Property | Sep 2024 |
| 4021 | KENNEMUTH | Clarion County, PA | Oil & Gas Property | Dec 2023 |
| 4022 | KENNETH | Jefferson County, PA | Gas Property | Dec 2023 |
| 4023 | KENNETH | Armstrong County, PA | Gas Property | Dec 2023 |
| 4024 | KENNETH ALSOP | Indiana County, PA | Gas Property | Dec 2023 |
| 4025 | KENNETH BARRETT | Armstrong County, PA | Oil & Gas Property | Dec 2023 |
| 4026 | KENNETH C WALTERS | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 4027 | KENNETH D SHERRY TRACT | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4028 | KENNETH E DICK | Indiana County, PA | Gas Property | Dec 2023 |
| 4029 | KENNETH HARCHICK | Clearfield County, PA | Oil & Gas Property | Dec 2023 |
| 4030 | KENNETH K. DEAN | Armstrong County, PA | Gas Property | Dec 2023 |
| 4031 | KENNETH L & BARBARA E EKEY | Warren County, PA | Oil & Gas Property | Dec 2022 |
| 4032 | KENNETH L MARTIN A | Lycoming County, PA | Gas Property | Sep 2024 |
| 4033 | KENNETH O SMAY | Armstrong County, PA | Gas Property | Dec 2022 |
| 4034 | KENNETH P ATKINSON | Armstrong County, PA | Gas Property | Dec 2023 |
| 4035 | KENNETH PARK | Jefferson County, PA | Gas Property | Dec 2023 |
| 4036 | KENNETH SHERRY | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4037 | KENNETH T SCHRINER A | Lycoming County, PA | Gas Property | Sep 2024 |
| 4038 | KENNEY HEIRS | Indiana County, PA | Gas Property | Dec 2023 |
| 4039 | KENNIS | Jefferson County, PA | Gas Property | Dec 2023 |
| 4040 | KENSINGER UNIT | Lycoming County, PA | Gas Property | Sep 2024 |
| 4041 | KENT | Bradford County, PA | Gas Property | Sep 2024 |
| 4042 | KENT | McKean County, PA | Oil Property | Dec 2011 |
| 4043 | KENT COAL MINING | Indiana County, PA | Gas Property | Dec 2023 |
| 4044 | KENYON | Bradford County, PA | Gas Property | Sep 2024 |
| 4045 | KEPHART | Lawrence County, PA | Oil & Gas Property | Sep 2024 |
| 4046 | KEPPLE | Armstrong County, PA | Oil & Gas Property | Dec 2023 |
| 4047 | KEPPLE | Armstrong County, PA | Gas Property | Dec 2023 |
| 4048 | KEPPLE | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 4049 | KERINS | Mercer County, PA | Gas Property | Dec 2023 |
| 4050 | KERMIT M. KENNEDY ETAL | Fayette County, PA | Gas Property | Dec 2023 |
| 4051 | KERN UNIT | Butler County, PA | Gas Property | Sep 2024 |
| 4052 | KEROTEST MF | Westmoreland County, PA | Gas Property | Dec 2023 |
| 4053 | KERR | Greene County, PA | Gas Property | Sep 2024 |
| 4054 | KERR | Clarion County, PA | Gas Property | Dec 2023 |
| 4055 | KERR 213 | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 4056 | KERR UNIT | Susquehanna County, PA | Gas Property | Aug 2024 |
| 4057 | KERRICK UNIT | Bradford County, PA | Gas Property | Sep 2024 |
| 4058 | KERUSKIN UNIT | Washington County, PA | Gas Property | Dec 2023 |
| 4059 | KESLAR | Fayette County, PA | Gas Property | Dec 2023 |
| 4060 | KESPELHER | Armstrong County, PA | Gas Property | Dec 2023 |
| 4061 | KESSEL | McKean County, PA | Oil & Gas Property | Dec 2011 |
| 4062 | KETNER | Clarion County, PA | Oil & Gas Property | Dec 2023 |
| 4063 | KEVECH | Washington County, PA | Gas Property | Sep 2024 |
| 4064 | KEWANEE OIL CO | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 4065 | KEYES | Warren County, PA | Gas Property | Dec 2023 |
| 4066 | KEYSTONE | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4067 | KEYSTONE STATE PARK | Westmoreland County, PA | Gas Property | Dec 2023 |
| 4068 | KEYSTONE UNIT MIRABELLI KEYSTONE 1H | Wyoming County, PA | Gas Property | Sep 2024 |
| 4069 | KHOURI UNIT | Washington County, PA | Gas Property | Sep 2024 |
| 4070 | KIBUK | Armstrong County, PA | Gas Property | Dec 2023 |
| 4071 | KIEFFER UNIT | Greene County, PA | Gas Property | Sep 2024 |
| 4072 | KIELAR D | Susquehanna County, PA | Gas Property | Sep 2024 |
| 4073 | KIFER | Armstrong County, PA | Gas Property | Dec 2023 |
| 4074 | KIGER | Greene County, PA | Gas Property | Dec 2023 |
| 4075 | KIGER B | Greene County, PA | Gas Property | Dec 2019 |
| 4076 | KIGHTLINGER | Warren County, PA | Gas Property | Dec 2023 |
| 4077 | KIKTA UNIT | Fayette County, PA | Gas Property | Sep 2024 |
| 4078 | KILE | Wyoming County, PA | Gas Property | Sep 2024 |
| 4079 | KILEY A UNIT 1H | Butler County, PA | Gas Property | Sep 2024 |
| 4080 | KILHOFFER | Elk County, PA | Oil & Gas Property | Dec 2023 |
| 4081 | KIMMEL | Armstrong County, PA | Gas Property | Dec 2023 |
| 4082 | KIMMEL PEART LOUDEN | Armstrong County, PA | Gas Property | Dec 2023 |
| 4083 | KINDON 374 | Tioga County, PA | Gas Property | Oct 2023 |
| 4084 | KING | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 4085 | KING | Susquehanna County, PA | Gas Property | Sep 2024 |
| 4086 | KING | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 4087 | KING FARM BS | Clarion County, PA | Oil Property | Dec 2023 |
| 4088 | KING GERALD | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 4089 | KING HIPPO | Greene County, PA | Gas Property | Sep 2024 |
| 4090 | KING NORTH | Susquehanna County, PA | Gas Property | Sep 2024 |
| 4091 | KING SOUTH | Susquehanna County, PA | Gas Property | Sep 2024 |
| 4092 | KING UNIT | Bradford County, PA | Gas Property | Sep 2024 |
| 4093 | KINGSLEY | Bradford County, PA | Gas Property | Sep 2024 |
| 4094 | KINGSLEY | Bradford County, PA | Gas Property | Sep 2024 |
| 4095 | KINGSLEY | Bradford County, PA | Gas Property | Sep 2024 |
| 4096 | KINGSLEY UNIT | Bradford County, PA | Gas Property | Aug 2024 |
| 4097 | KINGSTON ET AL 11485 | Washington County, PA | Gas Property | Sep 2024 |
| 4098 | KINLEY | Venango County, PA | Gas Property | Dec 2023 |
| 4099 | KINLEY | Venango County, PA | Oil & Gas Property | Dec 2021 |
| 4100 | KINLEY | Warren County, PA | Oil & Gas Property | Dec 2023 |