Personal tools

Course Outline

 

 

Introduction to offshore drilling rigs, marine drilling activities and floating production

Download Course Brochure
 
  • Introduction and background
  • Trends in offshore drilling and production
  • General arrangement, operational capability and drilling equipment facilities on typical fixed platforms, jackups, barges, drillships and semi-submersibles
  • Review of fields developed with floaters and subsea production systems
   
  Global energy review
 
  • World oil reserves and production
  • World gas reserves and production
  • What oil price? World energy consumption
  • The important future for gas and LNG
  • Alternative energy approaches
   
 

DRILLING TECHNOLOGIES
PART A: OFFSHORE DRILLING RIGS

  Jack-up rigs
 

Background, jacking mechanism, spud cans, moveable cantilever, drill derrick and several examples of jackup drilling rigs including general layout and storage capacity and rig regulations

   
  Semi-submersible drilling rigs
 

Background, vessel details and semisubmersible examples including general layout for equipment and storages, vessel motions and motion compensation devices and rig regulations

   
  Drill ships
 

Background, vessel details and drill ship examples including general layout for equipment and storages, vessel motions and motion compensation devices and rig regulations

   
  Drilling barges & tender assisted drilling
 

Background, vessel design and drill barge examples. Tender assisted drilling vessels. Self errecting tender assisted Drilling vessels

   
  Position and station keeping for floating drilling rigs
 

Mooring: mooring requirements, mooring regulations for drilling vessels, mooring system design, setting and moving the mooring pattern.

Dynamic positioning: background, dynamic position concept, basic feedback and control, position measurement, thrusters and dynamic position rig design

   
  Drilling rig components (rig equipment/drill strings/muds)
 

Drilling power system. Hoisting systems. Rotating systems. Pipe handling system:

Drill pipes, collars and stabilisers, bottomhole assembly etc.

Background and requirements. Mud formulations. Circulation equipment. Mud cleaning equipment

   
  Jack-up rigs
 

Background, jacking mechanism, spud cans, moveable cantilever, drill derrick and several examples of jackup drilling rigs including general layout and storage capacity and rig regulations

  Deepwater drilling rigs
 
  • Semisubmersible drilling rigs and drillships
  • Vessel details including general layout for equipment and storages and vessel motions
  • New advanced deepwater rigs, mooring systems – dynamic positioning
  • Case examples
   
  Deepwater drilling rigs
 
  • Semisubmersible drilling rigs and drillships
  • Vessel details including general layout for equipment and storages and vessel motions
  • New advanced deepwater rigs, mooring systems – dynamic positioning
  • Case examples
   
  Drill Vessel Operations
  Offshore drilling components
 

Drilling template, temporary and permanent guide bases, guide wire and guide line less systems, subsea wellheads including subsea BOPs, marine riser, LRP, motion compensation and drilling control system

   
 

Drilling Offshore Wells

 

Drilling requirements for platforms & production hosts (spars & TLPs)

 

General requirements, drilling guides and templates, well control and well completion

   
 

Drilling a subsea well

 

Sequence of drilling a subsea well

   
 

Advanced drilling rigs/new rig concepts

 

Drilling rigs with dual drilling activity: design of twin drilling derricks for semis and drillships, working principles – main and auxiliary rotatys, operational capabilities in relation to drilling and equipment and casings. Automated tubular handling systems. Tubular stacking and handling, Joint make-up systems, loading systems.

6th generation rigs. Sevan cylindrical drilling vessel. Huisman Itrec drilling tower

   
 

Examples of Drilling Activities

  Drilling example – drill thru Xmas tree
 

Dalia Field, Angola. Drilling process – jetting the conductor – drilling the surface hole – running and cementing the casing – running the tree – running the BOP – completing the well

   
  Drilling example – batch drilling with dual activity rig
 

Greater Plutonio Field, Angola. Details of dual activity rig. Batch setting process. Complete sequence of drilling activities

   
  Review of Deepwater Horizon incident in GoM
 

Deepwater Horizon rig; the blowout event; the sinking; BPs efforts to stop the spill. Future changes

   
  PART B: OFFSHORE PRODUCTION TECHNOLOGIES
  Deepwater flow assurance issues
 
  • Definition of flow assurance
  • Importance in deepwater developments
  • Examples of problems and solutions
   
  Deepwater production hosts and their installation
 

Functional requirements. Monohull, semisubmersible, deep draught semi-sub, SPAR and TLP Options. Layout and safety. Newbuild or conversion. New developments (Sevan

   
  Subsea facilities and their installation
 

Wellheads, Xmas Trees, manifolds, flowlines, risers and subsea control systems.

Deepwater requirements

   
  Deepwater installation – ROVs and AUVs
 

FDiver activities
• Development work leading to current
Remote Operated Vehicles (ROVs)
• Autonomous Operated Vehicles (AUVs)
• Examples of ROV installation activities

   
 

Case study: Deepwater fields

 

Deepwater issues and range of production systems. Current worldwide status – Brazil, Gulf of Mexico, North Sea, West Africa, South East Asia and Australia

   
 

Case study no. 1: Deepwater gas tie-backs

 
  • Examples of deepwater gas field tie-backs
  • West Delta Deep (Egypt)
  • Snohvit Field (Norway)
  • Pluto Field (Australia)
   
 

Case study no. 2 : Large deepwater (FPSO) fields offshore Angola

 
  • Girassol, Dalia and Pazflor (Block 17)
  • Greater Plutonio (Block 18)
  • PSVM (Block 31)
   
Keep updated with the latest news and happenings  Follow us on Linkedin  Follow us on Twitter  Featured speaker presentations  Watch event highlights and exclusive interviews  Google+  Flickr-Informa Australia