Roadmap Conversion of Convent

这是一篇关于Roadmap Conversion of Convent的思维导图，导图以常规油轮改造 FSO 全项目路线图为核心主线，按项目先后顺序划分十三大板块。前七部分为项目落地实施阶段：项目启动与可研、概念设计 Pre-FEED、前端工程 FEED、详细工程设计、设备采办、改造建造、海上系泊安装，每一段分别明确阶段目标、核心作业、交付文件；第八至十部分为投产运营环节，包含海上连接调试、投产启动运营、运维策略，梳理设备调试、海上作业、长期维保细则；第十一、十二部分补充 12 点系泊型 FSO 设计要点、行业标准项目工期参考；最后第十三部分为整体项目总结。全图完整覆盖从前期立项到长期运维全周期，细化各阶段工程、采购、海上施工细分工作，明确整体 30-42 个月项目周期，解决油轮改 FSO 项目流程碎片化、阶段边界模糊、施工节点梳理困难的行业痛点。适合海洋油气工程设计、项目管理、船舶改造从业人员做项目规划、流程培训与方案复盘。

Roadmap: Conversion of Conventional Oil Tanker to FSO

• 1. Project Initiation & Feasibility Study（项目启动与可行性研究）
  • 1.1. Objectives
    • 1.1.1. Evaluate technical and commercial viability of tanker-to-FSO conversion
    • 1.1.2. Define project scope aligned with field requirements
  • 1.2. Key Activities
    • 1.2.1. Field data collection (metocean, reservoir profile)
    • 1.2.2. Screening of candidate tankers (70K–100K DWT typical)
    • 1.2.3. Storage capacity verification (≥650,000 bbl)
    • 1.2.4. Preliminary mooring concept (12-point spread mooring)
    • 1.2.5. CAPEX & OPEX estimation
    • 1.2.6. Risk identification (technical, schedule, regulatory)
  • 1.3. Deliverables
    • 1.3.1. Feasibility Study Report
    • 1.3.2. Concept Selection (Spread Mooring vs Turret/CALM justification)
• 2. Concept Design / Pre-FEED（概念设计阶段）
  • 2.1. Objectives
    • 2.1.1. Define overall configuration of FSO system
  • 2.2. Key Activities
    • 2.2.1. General Arrangement (GA) development
    • 2.2.2. Mooring layout definition:
      • 12-point system
      • Bow: 3 lines per side (Port & Starboard)
      • Stern: 3 lines per side
    • 2.2.3. Cargo system configuration
    • 2.2.4. Offloading concept (side-by-side or tandem)
    • 2.2.5. Preliminary structural assessment
    • 2.2.6. Hazard Identification (HAZID)
  • 2.3. Deliverables
    • 2.3.1. Concept GA Drawing
    • 2.3.2. Mooring Layout Plan
    • 2.3.3. Process Flow Diagram (PFD)
    • 2.3.4. Class Engagement Initiation
• 3. FEED (Front-End Engineering Design)
  • 3.1. Objectives
    • 3.1.1. Mature design to support investment decision (FID)
  • 3.2. Key Activities
    • 3.2.1. 3.1 Hull & Structural
      • Fatigue analysis for 10-year offshore service
      • Reinforcement for mooring loads (bow & stern)
      • Tank reconfiguration if needed
    • 3.2.2. 3.2 Mooring System Design
      • Anchor pattern analysis (12-point symmetric spread)
      • Line sizing (chain/wire/polyester)
      • Anchor selection (drag anchor / suction pile)
      • Mooring analysis (ULS, ALS, fatigue)
    • 3.2.3. 3.3 Marine Systems
      • Cargo tanks & piping layout
      • Pump room design (redundancy)
      • Ballast system upgrade
    • 3.2.4. 3.4 Offloading System
      • Midship manifold (P/S)
      • Hose system design
      • Metering skid integration
    • 3.2.5. 3.5 Utilities & Living Quarters
      • Accommodation for ~100 personnel
      • Helideck (S92 compliant)
      • Power generation redundancy
    • 3.2.6. 3.6 Safety & Compliance
      • HAZOP / SIL study
      • ESD system design
      • Fire & Gas system layout
  • 3.3. Deliverables
    • 3.3.1. FEED Package
    • 3.3.2. Class Approval in Principle (AIP)
    • 3.3.3. Updated Cost Estimate (±10%)
• 4. Detailed Engineering（详细设计）
  • 4.1. Objectives
    • 4.1.1. Develop construction-ready design
  • 4.2. Key Activities
    • 4.2.1. Detailed GA drawings
    • 4.2.2. Structural drawings (reinforcement zones)
    • 4.2.3. Mooring foundation design (chain stopper, fairlead)
    • 4.2.4. Piping & Instrumentation Diagrams (P&IDs)
    • 4.2.5. Electrical & control systems
    • 4.2.6. 3D Model (AVEVA / PDMS)
  • 4.3. Deliverables
    • 4.3.1. IFC Drawings (Issued for Construction)
    • 4.3.2. Material Take-Off (MTO)
    • 4.3.3. Vendor specifications
• 5. Procurement（采购阶段）
  • 5.1. Key Equipment
    • 5.1.1. Mooring system components:
      • Anchors (12 sets)
      • Chains / wires
      • Winches & stoppers
    • 5.1.2. Cargo pumps
    • 5.1.3. Offloading hoses
    • 5.1.4. Generators
    • 5.1.5. ESD / Control systems
  • 5.2. Activities
    • 5.2.1. Vendor selection
    • 5.2.2. Technical bid evaluation
    • 5.2.3. Factory Acceptance Test (FAT)
• 6. Conversion & Construction（改造实施）
  • 6.1. Location
    • 6.1.1. Shipyard / Conversion yard
  • 6.2. Key Activities
    • 6.2.1. 6.1 Hull Conversion
      • Removal of propulsion system (if applicable)
      • Structural reinforcement
      • Tank coating renewal
    • 6.2.2. 6.2 Mooring System Installation
      • Installation of:
        • Fairleads (bow & stern)
        • Chain stoppers
        • Winches
      • Integration with deck structure
    • 6.2.3. 6.3 Process & Utility Installation
      • Cargo piping system
      • Pump room modification
      • Power generation system
    • 6.2.4. 6.4 Accommodation Upgrade
      • Expansion to meet capacity (~96 persons)
      • Helideck construction
• 7. Mooring Installation Offshore（海上系泊系统安装）
  • 7.1. Activities
    • 7.1.1. Anchor deployment (12 anchors)
    • 7.1.2. Pre-lay mooring lines
    • 7.1.3. Tensioning and verification
    • 7.1.4. As-laid survey
• 8. Hook-up & Commissioning（海上连接与调试）
  • 8.1. Key Activities
    • 8.1.1. Mooring hook-up
    • 8.1.2. Riser connection
    • 8.1.3. System commissioning:
      • Cargo system
      • Power system
      • Safety system
    • 8.1.4. Performance testing
• 9. Start-Up & Operation（投产与运营）
  • 9.1. Objectives
    • 9.1.1. Achieve stable production and offloading
  • 9.2. Activities
    • 9.2.1. Initial oil loading
    • 9.2.2. Offloading trials (to Aframax tanker)
    • 9.2.3. Operational readiness verification
    • 9.2.4. Crew training
• 10. Operation & Maintenance Strategy（运维策略）
  • 10.1. Key Elements
    • 10.1.1. No dry-docking for 10 years
    • 10.1.2. Corrosion protection system (coating + CP)
    • 10.1.3. CMMS-based maintenance
    • 10.1.4. Spare parts strategy
• 11. Key Design Highlights for 12-Point Mooring FSO
  • 11.1. Fully fixed heading (non-rotating system)
  • 11.2. High redundancy (line failure tolerance)
  • 11.3. Suitable for mild environments (e.g., Gulf of Thailand)
  • 11.4. Requires precise anchor layout and tension balancing
• 12. Typical Project Timeline
  • 12.1.
• 13. Conclusion
  • 13.1. This roadmap provides a structured pathway for converting a conventional oil tanker into a stationary FSO equipped with a 12-point spread mooring system. The success of the project relies heavily on early-stage mooring design, structural reinforcement, and integration of offshore operational requirements into the vessel conversion.