{
  "timeline": [
    {
      "date": "1987/6",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "旧三井海洋開発の子会社としてモデック・テクニカル・サービスを設立",
      "detail": "旧三井海洋開発の子会社として設立",
      "significance": "現法人の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/12",
      "category": "業態転換",
      "region": "",
      "importance": 3,
      "event": "株式会社モデックに商号変更し旧三井海洋開発の事業を継承",
      "detail": "海洋開発事業を承継",
      "significance": "FPSO事業の本格化",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 3,
      "event": "北米事業拠点としてMODEC(U.S.A.)（現MODEC AMERICA）を米国に設立",
      "detail": "米国拠点設立",
      "significance": "北米事業の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/3",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "三井物産保有の当社株式が全株譲渡され三井造船の子会社化",
      "detail": "親会社が三井物産から三井造船へ",
      "significance": "親会社変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/5",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "浮体式海洋石油・ガス生産設備の設計・建造・据付・運営でISO9001認証取得",
      "detail": "品質マネジメント認証",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/1",
      "category": "合弁設立",
      "region": "米州",
      "importance": 3,
      "event": "FMC CORPORATION（現TechnipFMC）との合弁でMODEC INTERNATIONAL LLC（現MODEC AMERICA）を米国に設立",
      "detail": "FMCとの合弁で南北米・西アフリカ事業を展開",
      "significance": "FMCとの戦略的合弁",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/9",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "RUBYフィールド向けFPSO運営を目的にMODEC MANAGEMENT SERVICES PTE. LTD.をシンガポールに設立",
      "detail": "シンガポール子会社設立",
      "significance": "東南アジア展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/10",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "SHELL BIJUPIRA-SALEMA向けFPSO運営を目的にMODEC SERVICOS DE PETROLEOをブラジルに設立",
      "detail": "ブラジル拠点設立",
      "significance": "中南米展開の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/1",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "商号を三井海洋開発株式会社に変更",
      "detail": "旧親会社名を継承する商号に変更",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/7",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に株式を上場",
      "detail": "東証二部上場",
      "significance": "資本市場へのデビュー",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/8",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "MODEC OFFSHORE PRODUCTION SYSTEMS (SINGAPORE)を設立",
      "detail": "シンガポール業務支援子会社設立",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/6",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所市場第一部銘柄に指定",
      "detail": "一部指定",
      "significance": "一部指定昇格",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/11",
      "category": "合弁設立",
      "region": "その他",
      "importance": 2,
      "event": "コートジボワールにNATIONAL D'OPERATIONS PETROLIERESを設立",
      "detail": "西アフリカ現地下請会社設立",
      "significance": "西アフリカ展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/12",
      "category": "企業買収",
      "region": "米州",
      "importance": 3,
      "event": "SOFEC",
      "detail": " INC.（米国）の全株式をFMC TECHNOLOGIESより取得し子会社化",
      "significance": "",
      "source": "主要技術領域の取り込み",
      "amount": "係留システム企業を買収"
    },
    {
      "date": "2008/5",
      "category": "海外進出",
      "region": "その他",
      "importance": 3,
      "event": "BP PLUTAO/SATURNO/VENUS/MARTEフィールド向けFPSOの業務支援を目的にMODEC ANGOLAをアンゴラに設立",
      "detail": "アフリカ拠点設立",
      "significance": "アフリカ展開の拡大",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を東京都中央区に移転",
      "detail": "本社移転",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/3",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "TULLOW JUBILEEフィールド向けFPSO運営を目的にMODEC PRODUCTION SERVICES GHANA JVをガーナに設立",
      "detail": "ガーナ拠点設立",
      "significance": "西アフリカ展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/1",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ENI AREA1向けFPSO運営を目的にMITSUI OCEAN DEVELOPMENT MEXICOをメキシコに設立",
      "detail": "メキシコ拠点設立",
      "significance": "中南米展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/3",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "WOODSIDE SANGOMARフィールド向けFPSO運営を目的にMODEC SENEGAL SASUをセネガルに設立",
      "detail": "セネガル拠点設立",
      "significance": "西アフリカ展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/5",
      "category": "合弁設立",
      "region": "東南アジア",
      "importance": 2,
      "event": "デジタルソリューション事業会社SHAPE PTE. LTD.を三井物産と共同でシンガポールに設立",
      "detail": "デジタル事業合弁",
      "significance": "デジタル領域の取り組み",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/11",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "三井E&Sが保有する当社株式の一部売却で親会社が異動し三井E&Sはその他の関係会社に",
      "detail": "親会社の異動",
      "significance": "親会社の変更",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/8",
      "category": "合弁設立",
      "region": "東南アジア",
      "importance": 2,
      "event": "FPSOのEPCI事業会社OFFSHORE FRONTIER SOLUTIONSを東洋エンジニアリングと共同でシンガポールに設立",
      "detail": "EPCI事業合弁",
      "significance": "EPCI事業強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/9",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "EXXONMOBIL STABROEK SNOEK/MAKO/UARU油田向けFPSO運営を目的にMODEC GUYANAをガイアナに設立",
      "detail": "ガイアナ拠点設立",
      "significance": "中南米展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/6",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "第三者割当増資により商船三井が三井E&S・三井物産と共に主要株主となる",
      "detail": "新規主要株主の出現",
      "significance": "株主構成の変化",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/5",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "OFFSHORE FRONTIER SOLUTIONSの子会社をマレーシアに設立",
      "detail": "マレーシア子会社設立",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/8",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "商船三井の追加取得により同社が筆頭主要株主に",
      "detail": "筆頭株主が商船三井に",
      "significance": "株主構成の刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "category": "合弁設立",
      "region": "その他",
      "importance": 2,
      "event": "FPSOトップサイドエンジニアリング・購買支援目的でTOYO MODEC OFS INDIA PRIVATEをインドに設立",
      "detail": "インド合弁会社設立",
      "significance": "インド展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/11",
      "category": "組織再編",
      "region": "米州",
      "importance": 2,
      "event": "MODEC INTERNATIONAL（MODEC AMERICAへ改称）とSOFEC社の2025年12月31日付合併を発表",
      "detail": "北米子会社統合",
      "significance": "北米事業の一体化",
      "source": "有価証券報告書"
    }
  ]
}
