{
  "$schema": "https://welldot.org/schema/v2/well.schema.json",
  "version": "2.4",
  "x-welldot-example": {
    "illustrative": true,
    "based_on": "https://siagasweb.sgb.gov.br/layout/detalhe.php?ponto=1500001046"
  },
  "well_type": "tubular",
  "well_purpose": [
    "production"
  ],
  "name": "Poço BC-1 — Emissora de rádio (Belém/PA)",
  "well_driller": "Hidrosolo Norte Ltda.",
  "construction_date": "1989-08-20",
  "obs": "Perda progressiva de vazão por colmatação do filtro (incrustação ferruginosa e finos). Tentativa de recuperação em 1997 sem sucesso; poço tamponado em 2005.",
  "well_id": [
    {
      "authority": "Proprietário",
      "id": "BC-1",
      "primary": true
    }
  ],
  "location": {
    "lat": -1.45778,
    "lng": -48.47639,
    "elevation": 9,
    "properties": {
      "timezone": "America/Belem",
      "crs": "EPSG:4326",
      "lat_precision": 0.0003,
      "lng_precision": 0.0003,
      "elevation_datum": "x-imbituba",
      "elevation_precision": 5,
      "original_crs": "EPSG:31982"
    }
  },
  "well_depth": 102,
  "bore_hole": [
    {
      "from": 0,
      "to": 102,
      "diameter": 254,
      "drilling_method": "rotary"
    }
  ],
  "well_case": [
    {
      "from": -0.6,
      "to": 62,
      "type": "carbon_steel",
      "diameter": 168
    },
    {
      "from": 76,
      "to": 102,
      "type": "carbon_steel",
      "diameter": 168
    }
  ],
  "reduction": [],
  "well_screen": [
    {
      "from": 62,
      "to": 76,
      "type": "carbon_steel",
      "diameter": 168,
      "screen_slot": 0.5,
      "slot_type": "slotted"
    }
  ],
  "surface_case": [],
  "hole_fill": [
    {
      "from": 0,
      "to": 4,
      "type": "seal",
      "diameter": 254,
      "description": "Cimentação"
    },
    {
      "from": 4,
      "to": 102,
      "type": "gravel_pack",
      "diameter": 254,
      "description": "Cascalho"
    }
  ],
  "lithology": [
    {
      "from": 0,
      "to": 2,
      "description": "Solo amarelo",
      "color": "#d9b45a",
      "texture": {
        "code": 612,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Sedimentos Pós-Barreiras",
      "aquifer_unit": "Não aquífero"
    },
    {
      "from": 2,
      "to": 18,
      "description": "Argila arenosa amarelo-amarronzada",
      "color": "#b98a4e",
      "texture": {
        "code": 619,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Sedimentos Pós-Barreiras",
      "aquifer_unit": "Aquitarde"
    },
    {
      "from": 18,
      "to": 24,
      "description": "Areia fina amarelo-avermelhada",
      "color": "#d9925a",
      "texture": {
        "code": 607,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Sedimentos Pós-Barreiras",
      "aquifer_unit": "Aquífero livre raso"
    },
    {
      "from": 24,
      "to": 51,
      "description": "Argila areno-siltosa amarelo-alaranjada",
      "color": "#d98b3a",
      "texture": {
        "code": 619,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Grupo Barreiras",
      "aquifer_unit": "Aquitarde"
    },
    {
      "from": 51,
      "to": 60,
      "description": "Areia argilosa cinza",
      "color": "#a9a59a",
      "texture": {
        "code": 612,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Grupo Barreiras",
      "aquifer_unit": "Sistema Aquífero Barreiras"
    },
    {
      "from": 60,
      "to": 78,
      "description": "Areia média branco-avermelhada",
      "color": "#e8cfc0",
      "texture": {
        "code": 607,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Grupo Barreiras",
      "aquifer_unit": "Sistema Aquífero Barreiras"
    },
    {
      "from": 78,
      "to": 102,
      "description": "Argila arenosa cinza-amarronzada",
      "color": "#8f8172",
      "texture": {
        "code": 619,
        "vocabulary": "fgdc"
      },
      "geologic_unit": "Formação Pirabas",
      "aquifer_unit": "Aquitarde"
    }
  ],
  "fractures": [],
  "caves": [],
  "hydrodynamic_events": [
    {
      "id": "evt-01",
      "type": "constant_rate",
      "datetime": "1989-08-24T07:00:00-03:00",
      "operator": "Hidrosolo Norte Ltda.",
      "static_level": 6.2,
      "steps": [
        {
          "rate": 9,
          "duration": 1440,
          "readings": [
            {
              "elapsed": 1,
              "depth": 14.34
            },
            {
              "elapsed": 2,
              "depth": 14.97
            },
            {
              "elapsed": 3,
              "depth": 15.35
            },
            {
              "elapsed": 5,
              "depth": 15.81
            },
            {
              "elapsed": 7,
              "depth": 16.12
            },
            {
              "elapsed": 10,
              "depth": 16.45
            },
            {
              "elapsed": 15,
              "depth": 16.82
            },
            {
              "elapsed": 20,
              "depth": 17.08
            },
            {
              "elapsed": 30,
              "depth": 17.45
            },
            {
              "elapsed": 45,
              "depth": 17.83
            },
            {
              "elapsed": 60,
              "depth": 18.09
            },
            {
              "elapsed": 90,
              "depth": 18.46
            },
            {
              "elapsed": 120,
              "depth": 18.72
            },
            {
              "elapsed": 180,
              "depth": 19.1
            },
            {
              "elapsed": 240,
              "depth": 19.36
            },
            {
              "elapsed": 360,
              "depth": 19.73
            },
            {
              "elapsed": 480,
              "depth": 19.99
            },
            {
              "elapsed": 600,
              "depth": 20.2
            },
            {
              "elapsed": 720,
              "depth": 20.37
            },
            {
              "elapsed": 900,
              "depth": 20.57
            },
            {
              "elapsed": 1080,
              "depth": 20.74
            },
            {
              "elapsed": 1260,
              "depth": 20.88
            },
            {
              "elapsed": 1440,
              "depth": 21
            }
          ]
        }
      ],
      "recovery": {
        "readings": [
          {
            "elapsed": 1,
            "depth": 12.86
          },
          {
            "elapsed": 2,
            "depth": 12.23
          },
          {
            "elapsed": 3,
            "depth": 11.86
          },
          {
            "elapsed": 5,
            "depth": 11.39
          },
          {
            "elapsed": 10,
            "depth": 10.76
          },
          {
            "elapsed": 15,
            "depth": 10.39
          },
          {
            "elapsed": 30,
            "depth": 9.76
          },
          {
            "elapsed": 60,
            "depth": 9.15
          },
          {
            "elapsed": 120,
            "depth": 8.55
          },
          {
            "elapsed": 240,
            "depth": 7.98
          }
        ]
      }
    },
    {
      "id": "evt-02",
      "type": "spot_measurement",
      "datetime": "1994-10-05T09:00:00-03:00",
      "static_level": 6.9,
      "measurement_method": "electric_probe",
      "steps": [
        {
          "rate": 6,
          "duration": 120,
          "readings": [
            {
              "elapsed": 120,
              "depth": 27.4
            }
          ]
        }
      ],
      "notes": "Nível dinâmico com a bomba de produção."
    },
    {
      "id": "evt-03",
      "type": "spot_measurement",
      "datetime": "1996-11-12T09:00:00-03:00",
      "static_level": 7.1,
      "measurement_method": "electric_probe",
      "steps": [
        {
          "rate": 3,
          "duration": 120,
          "readings": [
            {
              "elapsed": 120,
              "depth": 33.8
            }
          ]
        }
      ],
      "notes": "Vazão caiu para 3 m³/h."
    },
    {
      "id": "evt-04",
      "type": "airlift",
      "datetime": "1997-04-15T08:00:00-03:00",
      "operator": "Hidrosolo Norte Ltda.",
      "notes": "Limpeza com ácido sulfâmico e air-lift.",
      "steps": [
        {
          "rate": 4,
          "duration": 480
        }
      ]
    },
    {
      "id": "evt-05",
      "type": "constant_rate",
      "datetime": "1997-04-18T07:00:00-03:00",
      "static_level": 7,
      "notes": "Teste após a limpeza: capacidade específica não recuperou.",
      "steps": [
        {
          "rate": 3.5,
          "duration": 240,
          "readings": [
            {
              "elapsed": 240,
              "depth": 32.6
            }
          ]
        }
      ]
    }
  ],
  "aquifer_analysis": [
    {
      "id": "an-1989",
      "datetime": "1989-08-30T10:00:00-03:00",
      "source_event_ids": [
        "evt-01"
      ],
      "method": "cooper_jacob",
      "static_level": 6.2,
      "static_level_source_id": "evt-01",
      "dynamic_level": 21,
      "flow_rate": 9,
      "specific_capacity": 0.608,
      "transmissivity": 18.7
    },
    {
      "id": "an-1997",
      "datetime": "1997-04-20T10:00:00-03:00",
      "source_event_ids": [
        "evt-05"
      ],
      "method": "x-specific_capacity",
      "static_level": 7,
      "static_level_source_id": "evt-05",
      "dynamic_level": 32.6,
      "flow_rate": 3.5,
      "specific_capacity": 0.137,
      "notes": "Queda de 77 % da capacidade específica desde 1989."
    }
  ],
  "pump_installations": [
    {
      "id": "pump-1989",
      "installed_at": "1989-09-05T09:00:00-03:00",
      "removed_at": "2005-06-01T09:00:00-03:00",
      "type": "submersible",
      "power_source": "grid",
      "intake_depth": 45,
      "rated_flow_rate": 8,
      "rated_power": 3,
      "riser_diameter": 40,
      "riser_material": "galvanized_steel"
    }
  ],
  "history_logs": [
    {
      "id": "log-01",
      "datetime": "1989-09-05T09:00:00-03:00",
      "category": "status_change",
      "status": "active",
      "description": "Poço em operação."
    },
    {
      "id": "log-02",
      "datetime": "1996-11-12T09:00:00-03:00",
      "category": "incident",
      "severity": "high",
      "description": "Vazão reduzida a um terço da original.",
      "hydrodynamic_event_ids": [
        "evt-02",
        "evt-03"
      ]
    },
    {
      "id": "log-03",
      "datetime": "1997-04-10T09:00:00-03:00",
      "category": "maintenance",
      "maintenance_type": "video_inspection",
      "description": "Filmagem: filtro coberto por incrustação ferruginosa e finos; colmatação."
    },
    {
      "id": "log-04",
      "datetime": "1997-04-15T08:00:00-03:00",
      "category": "maintenance",
      "maintenance_type": "redevelopment",
      "description": "Tratamento ácido e air-lift; recuperação insuficiente.",
      "hydrodynamic_event_ids": [
        "evt-04",
        "evt-05"
      ]
    },
    {
      "id": "log-05",
      "datetime": "1997-05-28T08:00:00-03:00",
      "category": "status_change",
      "status": "inactive",
      "description": "Poço colmatado, fora de uso."
    },
    {
      "id": "log-06",
      "datetime": "2005-06-01T09:00:00-03:00",
      "category": "status_change",
      "status": "decommissioned",
      "description": "Bomba retirada e poço tamponado com calda de cimento."
    }
  ]
}