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E-785 - Subsea Operations & Interventions - Remote Operated Vehicles (ROV)

5 days PL/SUBROV
Level
Proficiency
Audience
  • Engineers and technicians whose activity is related to the operation of oil & gas subsea facilities
Purpose
  • To provide technical knowledge on oil & gas Subsea facilities
Learning Objectives
  • To define roles of operational means
  • To select intervention means (ROV, vessels, etc.)
  • To organize contracts and find criteria to select contractors
Ways and means
  • Lectures carry numerous examples from ongoing projects
  • Trainers are specialized engineers currently involved in deep offshore projects

NORMAL OPERATION
  • Through the DCS by the “production team”
  • Through the SCU by the subsea engineer
OPERATING PHILOSOPHY IN DEGRADED MODE
  • Case studies
OPERATIONAL CHALLENGES
  • Typical preservation sequence
  • Restart
BARRIERS PHILOSOPHY
  • Case studies
INTRODUCTION
  • Construction and multi-purpose support vessels
  • Surface and subsea positioning
  • ROV/diving operations
  • Description of main subsea interventions methods
OBJECTIVES
  • Subsea System/“Production” Equipment availability
  • “Production” efficiency
STRATEGY
  • Intervention means permanent availability versus intervention campaigns
  • Intervention means capability
  • Decision making parameters
“STANDARD” MEANS (intervention support vessel & ROV (remote operated vehicles))
  • ROV controls, LARS & TMS
  • ROV supported /operated tools & skids
CONTRACTING RESOURCES
  • Technical specifications
  • Functional specifications
  • Contract strategy (charter & service)
  • Acceptance checking & testing
  • Contract management
ORGANIZATION & REPORTING
  • Key participants, responsibilities, communication…
  • Hazard identification, risk assessment
  • Simops “dossiers”, SHZ definition
  • Procedures
  • Work permits
EXECUTION
  • Mean times for “standard” interventions