{ "schema_version": "1.1", "entity_name": "South Dakota Texas Oil Co", "alternate_names": [ "South Dakota Texas Oil Co", "SOUTH DAKOTA TEXAS OIL CO" ], "counties": [ "Leon" ], "jurisdiction": "TX", "charter_reference": "TX Corporate Grantor / County Clerk Archive", "active_era": "1960s-1980s Active Grantor Era", "anchor_citation": "Leon County Official Public Records (CONTRCT FOR DEED (Doc/Vol 37/251); 83 Recorded Instruments)", "canonical_url": "https://south-dakota-texas-oil-co.pages.dev/", "inquiry_desk_url": "https://south-dakota-texas-oil-co.pages.dev/#inquiry", "primary_tracts_and_surveys": [ "Leon County Verified Survey Abstracts: A-1002, A-102, A-1066, A-1077, A-115, A-15, A-162, A-23, A-26, A-281, A-30, A-333, A-367, A-390, A-41, A-414, A-455, A-5", "Regional Oil, Gas & Subsurface Reservation Corridor (Leon County, TX)" ], "reservation_clauses": [ "Express Oil, Gas, Royalty & Mineral Reservations Across 83 Recorded Leon County Instruments", "Retained Subsurface Ingress/Egress & Leasehold Rights with Zero Blanket Corporate Liquidation Deeds" ], "recorded_instruments_runsheet": [ { "series": "Vesting Into Company", "category": "vesting", "unit": "Leon County Parent Survey & Mineral Vesting Into South Dakota Texas Oil Co", "citation": "Leon County Deed & Official Records (Parent Acquisition Series)", "parties_and_tract": "Prior Leon County Grantors -> South Dakota Texas Oil Co", "notes": "Vests parent tract, mineral, and leasehold estates in Leon County (TX) into South Dakota Texas Oil Co." }, { "series": "Mineral Reservation", "category": "mineral", "unit": "Leon County 83-Instrument Out-Conveyance & Subsurface Reservation Schedule", "citation": "Leon County Official Public Records (CONTRCT FOR DEED (Doc/Vol 37/251); 83 Recorded Instruments)", "parties_and_tract": "South Dakota Texas Oil Co -> Various Leon County Grantees", "notes": "83 recorded instruments in Leon County indexing conveyances and retained subsurface interests of South Dakota Texas Oil Co with zero blanket corporate exit deeds." } ], "rrc_operator_and_lease_index": { "rrc_profile": null, "rrc_officers": [], "operated_leases": [], "operated_wells": [], "abstract_offset_wells": [ { "api_full": "42-289-31451", "county": "LEON", "lease_name": "RED OAK (WOODBINE DEXTER) UNIT", "well_no": "4", "survey": "J. 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"2018/828", "instrument_date": "2024-08-29", "instrument_type": "Lease amendment", "lessee": "SABANA ROYALTY PARTNERS LLC" }, { "vol_page": "2011/522", "instrument_date": "2023-03-20", "instrument_type": "Lease amendment", "lessee": "VANNA PRODUCTION LLC" }, { "vol_page": "2011/500", "instrument_date": "2023-03-20", "instrument_type": "Lease amendment", "lessee": "VANNA PRODUCTION LLC" }, { "vol_page": "2011/495", "instrument_date": "2023-03-07", "instrument_type": "Lease amendment", "lessee": "VANNA PRODUCTION LLC" } ] }, { "county": "LEON", "abstract": "A-455", "total_recorded_leases": 155, "hbp_active_leases": 155, "anchor_leases": [ { "vol_page": "NA/NA", "instrument_date": "2026-04-09", "instrument_type": "Lease ratification", "lessee": "COMSTOCK OIL & GAS LLC" }, { "vol_page": "NA/NA", "instrument_date": "2026-02-10", "instrument_type": "Memorandum of lease", "lessee": "COMSTOCK OIL & GAS LLC" }, { "vol_page": "NA/NA", "instrument_date": "2026-01-15", "instrument_type": 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