| 5001 | DRY FORK | Campbell County, WY | Gas Property | May 2026 |
| 5002 | DRY FORK | Johnson County, WY | Oil & Gas Property | Jun 2026 |
| 5003 | DRY GULCH | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 5004 | DRY PINEY | Sublette County, WY | Oil & Gas Property | May 2026 |
| 5005 | DRY WILLOW | Campbell County, WY | Gas Property | May 2026 |
| 5006 | DRYDEN | Nueces County, TX | Oil & Gas Property | May 2026 |
| 5007 | DRYDEN | San Juan County, NM | Oil & Gas Property | May 2026 |
| 5008 | DRYDEN | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 5009 | DRYDEN | Ventura County, CA | Oil & Gas Property | Jun 2026 |
| 5010 | DRYDEN | Rooks County, KS | Oil Property | Jul 2019 |
| 5011 | DRYDEN | Barton County, KS | Oil Property | Apr 2026 |
| 5012 | DRYDEN E. J | Medina County, TX | Oil & Gas Property | May 2026 |
| 5013 | DRYDEN LS | San Juan County, NM | Oil & Gas Property | May 2026 |
| 5014 | DRYDOCK COAL | Athens County, OH | Gas Property | Dec 2015 |
| 5015 | DRYDOCK COAL | Athens County, OH | Oil & Gas Property | Dec 2025 |
| 5016 | DRYER 2407 | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 5017 | DSPAIN -C | Wheeler County, TX | Oil & Gas Property | May 2026 |
| 5018 | DSWEST | Reagan County, TX | Oil & Gas Property | May 2026 |
| 5019 | DT-FORBES | Weld County, CO | Oil & Gas Property | May 2026 |
| 5020 | DT-HABITAT | Weld County, CO | Oil & Gas Property | May 2026 |
| 5021 | DT-MARTINEZ | Weld County, CO | Oil & Gas Property | May 2026 |
| 5022 | DTR 1 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5023 | DTR 2 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5024 | DTR 3 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5025 | DTR 4 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5026 | DTR 5 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5027 | DTR 6 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5028 | DTR 7 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5029 | DTR 8 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5030 | DTR 9 | Kern County, CA | Oil & Gas Property | May 2026 |
| 5031 | DTR C | Kern County, CA | Oil & Gas Property | May 2026 |
| 5032 | DTU 116 | Rio Blanco County, CO | Gas Property | Dec 2019 |
| 5033 | DUAINE | Bowman County, ND | Oil & Gas Property | May 2026 |
| 5034 | DUANE | Bradford County, PA | Gas Property | May 2026 |
| 5035 | DUANE | Richland County, MT | Oil & Gas Property | May 2026 |
| 5036 | DUANE | Lane County, KS | Oil Property | Apr 2026 |
| 5037 | DUANE 18 | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 5038 | DUANE BEETS | Miami County, KS | Oil Property | Apr 2026 |
| 5039 | DUANE USA 24-33TFH | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 5040 | DUANE WEISEND | Noble County, OH | Gas Property | Mar 2026 |
| 5041 | DUB 21-11-18-2H | Washita County, OK | Oil & Gas Property | Apr 2026 |
| 5042 | DUB FARMS | Rooks County, KS | Oil Property | Apr 2026 |
| 5043 | DUBACH ST | Lincoln Parish, LA | Oil & Gas Property | Jun 2021 |
| 5044 | DUBBEN | Woods County, OK | Oil & Gas Property | Apr 2026 |
| 5045 | DUBBERLY | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 5046 | DUBBS | Alfalfa County, OK | Gas Property | Aug 2016 |
| 5047 | DUBBS | Ness County, KS | Oil Property | Apr 2026 |
| 5048 | DUBE | Campbell County, WY | Gas Property | May 2012 |
| 5049 | DUBE | Lee County, TX | Oil & Gas Property | May 2026 |
| 5050 | DUBE | Lynn County, TX | Oil Property | Oct 2022 |
| 5051 | DUBE FED | Campbell County, WY | Gas Property | May 2012 |
| 5052 | DUBE GAS UNIT | Hidalgo County, TX | Oil & Gas Property | May 2026 |
| 5053 | DUBE WALTER | Lee County, TX | Oil & Gas Property | Jun 2025 |
| 5054 | DUBLIN 23 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2026 |
| 5055 | DUBLIN 8 FE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 5056 | DUBLIN STATE | Eddy County, NM | Oil & Gas Property | May 2026 |
| 5057 | DUBLIN STATE UNIT | Reeves County, TX | Oil & Gas Property | May 2026 |
| 5058 | DUBOIS | Teton County, MT | Oil Property | Mar 2026 |
| 5059 | DUBOIS | Sheridan County, KS | Oil Property | Mar 2026 |
| 5060 | DUBOIS | Sedgwick County, KS | Oil Property | May 2000 |
| 5061 | DUBOIS | Moore County, TX | Oil & Gas Property | Apr 2026 |
| 5062 | DUBOIS | Teton County, MT | Oil Property | Aug 1996 |
| 5063 | DUBOIS | Haskell County, KS | Oil Property | Nov 1996 |
| 5064 | DUBOIS | Logan County, CO | Oil & Gas Property | May 2026 |
| 5065 | DUBOIS 3 | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 5066 | DUBOIS GAS UNIT | Haskell County, KS | Gas Property | Apr 2026 |
| 5067 | DUBOSE | Caldwell County, TX | Oil & Gas Property | Apr 2026 |
| 5068 | DUBOSE | Gonzales County, TX | Oil & Gas Property | May 2026 |
| 5069 | DUBOSE | Bee County, TX | Oil & Gas Property | Jan 2025 |
| 5070 | DUBOSE | Lafayette County, AR | Oil Property | Oct 2011 |
| 5071 | DUBOSE | Martin County, TX | Oil & Gas Property | May 2026 |
| 5072 | DUBOSE | Freestone County, TX | Oil & Gas Property | May 2026 |
| 5073 | DUBOSE 27 | Fayette County, AL | Oil & Gas Property | May 2026 |
| 5074 | DUBOSE LOWERY A | Gonzales County, TX | Oil & Gas Property | May 2026 |
| 5075 | DUBOSE UNIT | Gonzales County, TX | Oil & Gas Property | May 2026 |
| 5076 | DUBOSE UNIT NO | Gonzales County, TX | Oil & Gas Property | May 2026 |
| 5077 | DUBRE, WESLEY | Cumberland County, KY | Oil Property | Oct 2014 |
| 5078 | DUBREE, BOBBY & ANDERSON, BETTY | Monroe County, KY | Oil Property | Jun 2004 |
| 5079 | DUBS HUSKY | Fayette County, TX | Oil & Gas Property | May 2026 |
| 5080 | DUBYA STATE 12 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 5081 | DUCHESNE | Duchesne County, UT | Oil & Gas Property | Jun 2026 |
| 5082 | DUCHESNE UTE TRIBAL | Duchesne County, UT | Oil & Gas Property | Nov 2019 |
| 5083 | DUCHESS 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5084 | DUCK | Trumbull County, OH | Oil & Gas Property | Dec 2025 |
| 5085 | DUCK CLUB | Adams County, CO | Oil & Gas Property | May 2026 |
| 5086 | DUCK CREEK | Uintah County, UT | Oil & Gas Property | May 2026 |
| 5087 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 5088 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 5089 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 5090 | DUCK CREEK 1 | McCone County, MT | Oil & Gas Property | Nov 2024 |
| 5091 | DUCK CREEK UNIT | Stark County, ND | Oil & Gas Property | May 2026 |
| 5092 | DUCK FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 5093 | DUCK HOLLOW | Fayette County, PA | Gas Property | Dec 2025 |
| 5094 | DUCK HUNT 1 | Lea County, NM | Oil & Gas Property | May 2026 |
| 5095 | DUCK IS UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 5096 | DUCK IS UNIT MPI | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 5097 | DUCK LAKE | Tarrant County, TX | Gas Property | May 2026 |
| 5098 | DUCK LAKE | Carbon County, WY | Oil & Gas Property | May 2026 |
| 5099 | DUCK LAKE 1 | Carbon County, WY | Oil & Gas Property | May 2026 |
| 5100 | DUCK POND | Adams County, MS | Oil & Gas Property | Aug 1983 |