{
  "asset": "Endura Decommissioning: selected Australian offshore decommissioning public records",
  "schemaVersion": "1.0",
  "sourceCheckedDate": "2026-09-18",
  "sourceCheckedLabel": "18 September 2026",
  "selectionNote": "Ten selected public regulatory records. This is a curated index, not a complete national inventory and not a list of Endura projects or clients.",
  "interpretation": [
    "Accepted is an environment-plan outcome, not evidence that physical decommissioning is complete.",
    "Start and stop dates on NOPSEMA activity pages are based on titleholder notifications. A notified start does not establish the completion of individual components.",
    "Under-assessment revisions describe proposed scope. A previously accepted EP does not make a revision accepted.",
    "Forecast windows and durations are retained as proposals or estimates; they are not actual execution dates.",
    "Unknown means not established by the cited public HTML record during this check.",
    "Record location categories and explicitly named basins are separate fields. No operator or company project attribution is made."
  ],
  "sources": [
    {
      "name": "NOPSEMA public activity and environment-plan register",
      "url": "https://info.nopsema.gov.au/home/approved_projects_and_activities",
      "role": "Primary regulatory record pages; each entry links directly to its supporting page."
    }
  ],
  "reuseReview": {
    "checkedDate": "2026-09-10",
    "source": "NOPSEMA copyright notice",
    "url": "https://www.nopsema.gov.au/copyright",
    "finding": "No blanket open-republication licence was verified for the record pages. NOPSEMA says reuse depends on terms attached to individual material. Its default terms permit personal or internal organisational use, with attribution and a prominent source link, but exclude supplying the material to others or commercial use. Some environment-plan summaries are third-party copyright.",
    "assetTreatment": "This research asset contains selected factual metadata, independently written short descriptions and links. It contains no copied PDF, source map, photograph, logo or long source narrative. Do not describe NOPSEMA material as CC-licensed or imply regulator endorsement.",
    "limitation": "This check does not establish permission to commercially republish source text, maps or documents. Consult the linked terms before reproducing such material."
  },
  "mapBasis": {
    "mode": "schematic-region-selector",
    "caption": "Selected records by NOPSEMA region. Regional placement is schematic; no asset coordinates are plotted.",
    "coordinates": null,
    "coordinatesStatus": "Unknown: no latitude/longitude verified for these records in the cited HTML pages.",
    "coordinateRule": "Do not substitute a regional centroid, nearby town or inferred offshore point for an actual asset coordinate.",
    "regionRule": "Use the source location labels below. They are regulatory region categories, not asserted basin polygons. Any visual anchor is a layout position only.",
    "regions": [
      {
        "id": "north-west",
        "label": "North West",
        "recordCount": 5,
        "recordIds": [
          "activity-587",
          "ep-756",
          "activity-558",
          "activity-554",
          "activity-551"
        ],
        "sourceUrl": "https://info.nopsema.gov.au/activities/587/show_public"
      },
      {
        "id": "gippsland",
        "label": "Gippsland",
        "recordCount": 3,
        "recordIds": [
          "activity-576",
          "ep-750",
          "activity-585"
        ],
        "sourceUrl": "https://info.nopsema.gov.au/activities/576/show_public"
      },
      {
        "id": "ashmore-cartier",
        "label": "Ashmore Cartier",
        "recordCount": 1,
        "recordIds": [
          "activity-589"
        ],
        "sourceUrl": "https://info.nopsema.gov.au/activities/589/show_public"
      },
      {
        "id": "northern-territory",
        "label": "Northern Territory",
        "recordCount": 1,
        "recordIds": [
          "activity-337"
        ],
        "sourceUrl": "https://info.nopsema.gov.au/activities/337/show_public"
      }
    ]
  },
  "records": [
    {
      "id": "activity-576",
      "title": "Gippsland Basin Decommissioning - Campaign #1 Execution Environment Plan",
      "recordType": "Activity",
      "recordId": "576",
      "inForceEpId": "8306",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/576/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2025-04-17",
      "acceptedDate": "2026-05-01",
      "notifiedStartDate": null,
      "notifiedStartText": "Pending titleholder notification",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "gippsland",
      "regionExact": "Gippsland",
      "basin": "Gippsland Basin",
      "locationDetail": "Commonwealth waters, 21 to 77 km off eastern Victoria.",
      "coordinates": null,
      "componentScope": [
        "Up to 13 platform topsides",
        "Upper jackets of up to 10 steel-piled facilities",
        "Two monotowers, removed to seabed"
      ],
      "summary": "The accepted plan covers a heavy-lift removal campaign and transfer of removed structures for onward transport. Its published schedule anticipates activity from Q3 2026 to Q1 2028.",
      "caveat": "Start notification remains pending. The scope describes selected structures, not complete removal of every facility component; the forecast is not evidence of execution."
    },
    {
      "id": "activity-589",
      "title": "Montara 1,2,3 Wellhead Removal",
      "recordType": "Activity",
      "recordId": "589",
      "inForceEpId": "8655",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/589/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2025-12-31",
      "acceptedDate": "2026-04-22",
      "notifiedStartDate": null,
      "notifiedStartText": "Pending titleholder notification",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "ashmore-cartier",
      "regionExact": "Ashmore Cartier",
      "basin": "Unknown",
      "locationDetail": "Montara Field, production licence AC/L7; approximately 80 m water depth.",
      "coordinates": null,
      "componentScope": [
        "Three exploration/appraisal wellheads",
        "ROV surveys and site preparation",
        "Cutting, recovery and onshore handling"
      ],
      "summary": "The plan provides several cutting options to recover the Montara-1, -2 and -3 wellheads. It allows an approximately 14-day campaign including vessel mobilisation and demobilisation.",
      "caveat": "The wells' earlier plugging and abandonment does not establish wellhead removal. Removal timing is explicitly unknown and vessel-dependent; no start is notified."
    },
    {
      "id": "activity-587",
      "title": "Julimar-Brunello Plug and Abandonment",
      "recordType": "Activity",
      "recordId": "587",
      "inForceEpId": "8584",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/587/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2025-11-25",
      "acceptedDate": "2026-04-17",
      "notifiedStartDate": "2026-05-08",
      "notifiedStartText": "08 May, 2026",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "north-west",
      "regionExact": "North West",
      "basin": "Barrow Sub-Basin",
      "locationDetail": "WA-49-L, approximately 185 km WNW of Karratha; 135 to 171 m water depth.",
      "coordinates": null,
      "componentScope": [
        "Permanent abandonment of three subsea wells",
        "Wellhead cutting and possible recovery",
        "Contingent drilling-mud remediation at Balnaves Deep-1"
      ],
      "summary": "The accepted plan covers MODU-based work on three exploration wells and a contingent intervention at a fourth well. The register records a titleholder-notified start on 8 May 2026.",
      "caveat": "The plan expressly excludes final field decommissioning and title surrender. Some wellhead recovery may occur under a separate EP; completion is not established."
    },
    {
      "id": "ep-756",
      "title": "Echo Yodel Subsea Decommissioning",
      "recordType": "Environment plan assessment: revision",
      "recordId": "756",
      "rmsId": "8935",
      "previousAcceptedEpId": "5222",
      "previousAcceptedEpUrl": "https://info.nopsema.gov.au/environment_plans/503/show_public",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/environment_plans/756/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Status",
      "statusExact": "Under assessment (with titleholder)",
      "submittedDate": "2026-07-17",
      "acceptedDate": null,
      "decisionDateText": "Unknown: decision field is blank",
      "notifiedStartDate": null,
      "notifiedStartText": "Unknown: not reported on this assessment page",
      "notifiedStopDate": null,
      "notifiedStopText": "Unknown: not reported on this assessment page",
      "regionId": "north-west",
      "regionExact": "North West",
      "basin": "Unknown",
      "locationDetail": "North West Shelf Province, approximately 140 km northwest of Dampier; 130 to 135 m water depth.",
      "coordinates": null,
      "componentScope": [
        "12-inch subsea pipeline",
        "Associated pipeline equipment"
      ],
      "summary": "The revision proposes removal of the pipeline between the Goodwyn Alpha isolation structure and the Yodel wells. The published commencement window is November 2026 to January 2027, subject to approvals and delivery conditions.",
      "caveat": "This revision is under assessment. Historical well and umbilical work described on the page must not be presented as completion of this proposed pipeline scope."
    },
    {
      "id": "ep-750",
      "title": "BMG Closure Project Phase 2",
      "recordType": "Environment plan assessment: revision",
      "recordId": "750",
      "rmsId": "8810",
      "previousAcceptedEpId": "7074",
      "previousAcceptedEpUrl": "https://info.nopsema.gov.au/environment_plans/593/show_public",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/environment_plans/750/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Status",
      "statusExact": "Under assessment (with NOPSEMA)",
      "submittedDate": "2026-05-04",
      "acceptedDate": null,
      "decisionDateText": "Unknown: decision field is blank",
      "notifiedStartDate": null,
      "notifiedStartText": "Unknown: not reported on this assessment page",
      "notifiedStopDate": null,
      "notifiedStopText": "Unknown: not reported on this assessment page",
      "regionId": "gippsland",
      "regionExact": "Gippsland",
      "basin": "Unknown: page identifies the Gippsland region, without separately naming a basin",
      "locationDetail": "VIC/RL13, about 50 km offshore south of Cape Conran; 135 to 270 m water depth.",
      "coordinates": null,
      "componentScope": [
        "Remaining wellheads",
        "Subsea flowlines and umbilicals",
        "Field management and post-removal monitoring",
        "Selected buried steel retained"
      ],
      "summary": "The revision proposes recovery of remaining subsea infrastructure after the earlier well-abandonment phase. Approximately 75 offshore activity days are anticipated, with proposed Phase 2 completion by 31 December 2030.",
      "caveat": "The revision is under assessment. Phase 1 completion in May 2024 does not establish Phase 2 completion, and the 2030 date is a proposal."
    },
    {
      "id": "activity-558",
      "title": "North West Shelf Phase 1 Plug and Abandonment and TPA03 Well Intervention",
      "recordType": "Activity",
      "recordId": "558",
      "inForceEpId": "8208",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/558/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2025-02-20",
      "acceptedDate": "2025-12-23",
      "notifiedStartDate": "2026-02-04",
      "notifiedStartText": "04 February, 2026",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "north-west",
      "regionExact": "North West",
      "basin": "Northern Carnarvon Basin",
      "locationDetail": "Commonwealth waters; nearest well about 125 km north of Dampier, in 77 to 128 m water depth.",
      "coordinates": null,
      "componentScope": [
        "Three Angel wells and two Perseus-over-Goodwyn wells",
        "Preparatory subsea work",
        "Separate TPA-03 production-well intervention"
      ],
      "summary": "The accepted campaign combines permanent abandonment of five wells with an intervention at TPA-03. The register records a titleholder-notified start on 4 February 2026.",
      "caveat": "TPA-03 intervention supports potential future production and is not abandonment. The EP is not the final decommissioning or title-surrender plan; no stop is notified."
    },
    {
      "id": "activity-585",
      "title": "Jack-Up Rig Wellwork BTA",
      "recordType": "Activity",
      "recordId": "585",
      "inForceEpId": "8520",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/585/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2025-09-30",
      "acceptedDate": "2025-11-05",
      "notifiedStartDate": "2026-08-18",
      "notifiedStartText": "18 August, 2026",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "gippsland",
      "regionExact": "Gippsland",
      "basin": "Gippsland Basin",
      "locationDetail": "Barracouta platform, VIC/L02; existing 500 m petroleum safety zone.",
      "coordinates": null,
      "componentScope": [
        "Well abandonment and workovers",
        "Conductor recovery",
        "Jack-up rig positioning and support activities"
      ],
      "summary": "The accepted plan covers jack-up-rig wellwork at Barracouta, with up to nine wells and an estimated 120-day campaign. A titleholder-notified start is recorded for 18 August 2026.",
      "caveat": "The description's earlier Q4 2025 forecast is not the notified start. This is a wellwork scope, not evidence that the platform has been removed."
    },
    {
      "id": "activity-337",
      "title": "Petrel-3 and Petrel-4 Monitoring and Decommissioning",
      "recordType": "Activity",
      "recordId": "337",
      "inForceEpId": "8007",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/337/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2024-10-10",
      "acceptedDate": "2025-10-28",
      "notifiedStartDate": "2026-09-04",
      "notifiedStartText": "04 September, 2026",
      "notifiedStopDate": "2026-09-07",
      "notifiedStopText": "07 September, 2026",
      "regionId": "northern-territory",
      "regionExact": "Northern Territory",
      "basin": "Bonaparte Basin",
      "locationDetail": "Petrel-3 and Petrel-4 in NT/RL1; field water depth approximately 95 m.",
      "coordinates": null,
      "componentScope": [
        "Two suspended wells",
        "Inspection and seabed surveys",
        "Permanent abandonment and subsea-equipment recovery"
      ],
      "summary": "The accepted plan covers monitoring, preparation, permanent well abandonment and a post-decommissioning seabed survey. The activity page records a titleholder-notified start on 4 September 2026 and stop on 7 September 2026.",
      "caveat": "Equipment retention is a contingency if reasonable recovery attempts fail. The record does not establish which components have been recovered or whether abandonment is complete."
    },
    {
      "id": "activity-554",
      "title": "Reindeer Wellhead Platform and Gas Supply Pipeline Operations and Cessation of Production",
      "recordType": "Activity",
      "recordId": "554",
      "inForceEpId": "7977",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/554/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2024-09-13",
      "acceptedDate": "2025-05-08",
      "notifiedStartDate": null,
      "notifiedStartText": "Unknown: start field not displayed",
      "notifiedStopDate": null,
      "notifiedStopText": "Unknown: stop field not displayed",
      "regionId": "north-west",
      "regionExact": "North West",
      "basin": "Unknown",
      "locationDetail": "Reindeer field, approximately 80 km northwest of Dampier.",
      "coordinates": null,
      "componentScope": [
        "Wellhead platform and associated wells",
        "Commonwealth section of the gas pipeline",
        "Cleaning, flushing, preservation and monitoring"
      ],
      "summary": "The accepted plan combines operations with production-cessation and preservation activities. Preserved infrastructure may remain while future reuse or decommissioning decisions are made.",
      "caveat": "The register classifies the lifecycle as decommissioning, but this EP does not establish full removal. Its forecast cessation date is not evidence that production has ceased. The description contains inconsistent production-licence references, so none is asserted here."
    },
    {
      "id": "activity-551",
      "title": "Ningaloo Vision Cessation of Production and Floating Asset Removal",
      "recordType": "Activity",
      "recordId": "551",
      "inForceEpId": "7924",
      "source": "NOPSEMA",
      "sourceUrl": "https://info.nopsema.gov.au/activities/551/show_public",
      "sourceCheckedDate": "2026-09-18",
      "statusField": "Outcome",
      "statusExact": "Accepted",
      "submittedDate": "2024-08-01",
      "acceptedDate": "2024-12-23",
      "notifiedStartDate": "2025-08-04",
      "notifiedStartText": "04 August, 2025",
      "notifiedStopDate": null,
      "notifiedStopText": "Pending titleholder notification",
      "regionId": "north-west",
      "regionExact": "North West",
      "basin": "Unknown",
      "locationDetail": "North West: no more specific geographic position established by the cited HTML record.",
      "coordinates": null,
      "componentScope": [
        "FPSO disconnection and departure",
        "Risers and detachable turret mooring",
        "Selected flushing and a 910 m damaged flowline section"
      ],
      "summary": "The accepted plan covers floating-asset removal and management of retained infrastructure. A titleholder-notified start is recorded for 4 August 2025.",
      "caveat": "Well abandonment and most subsea-infrastructure removal require separate future EPs. Some mooring recovery is conditional; the notified start does not establish completion of these components."
    }
  ]
}