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Multilateral Systems, pumpsandpipesmdhc

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  • Transcript

    • 1. Daniel Craig Well Bore Construction Engineering Manager Baker Hughes Inc. November 12, 2007 Multilateral Systems
    • 2.
              • What is a Multilateral well?
              • What is the value to the customer?
              • Baker Oil Tools Multilateral Systems
      Topics
    • 3. What is a Multilateral Well?
      • A multilateral well is typically a well connecting two or more “standard well types”.
      Vertical Deviated Horizontal Multilateral + + =
    • 4. Typical Multilateral Configurations What is a Multilateral Well? Dual Stacked Trilateral Fork Herringbone
    • 5. Enhance Existing Production with a Multilateral Well. What is the Value to the Customer ?
    • 6.
      • 162,660’ Drilled = 125,248’ within the producing zones from 8 wells on 2 pads!
      What is the Value to the Customer ?
    • 7. Simplicity Pays What does the TAML classifications mean? (Technical Advancement of Multilaterals)
    • 8. TAML Levels
      • Level 1 - Open/Unsupported junction
      Level 2 - Main bore cased and cemented, Lateral bore open Level 3 - Main bore cased and cemented; Lateral bore cased but NOT cemented Level 4 - Both main bore and lateral bore cased and cement Level 5 - Pressure integrity at the junction achieved with completion equipment Level 6 - Pressure integrity at the junction achieved with casing
    • 9. TAML Level 1
      • Open / Unsupported junction
      • ADVANTAGES
      • Simplest construction
      • Stable in hard formations
      • DISADVANTAGES
      • Not stable in unconsolidated formations
      • Limited life due to hole collapse
      • No positive re-entry capability
      • Limited completion options
      • Not pressure containing
    • 10. TAML Level 2
      • Main bore cased and cemented
      • Lateral bore open
      • ADVANTAGES
      • Permanent datum point in the well
      • Multiple laterals
      • Controlled re-entry
      • DISADVANTAGES
      • Limited to new well applications
      • Limited completion options
      • No pressure integrity at the junction
    • 11. TAML Levels 3 Main bore cased and cemented Lateral bore cased but NOT cemented
      • ADVANTAGES
      • New well and existing well applications
      • Permanent datum point in the well
      • Multiple laterals
      • Positive re-entry
      • Open hole support
      • DISADVANTAGES
      • No pressure integrity at the junction
    • 12. Level 3 HOOK Hanger
    • 13. Level 3 HOOK Hanger
    • 14. TAML Level 4 Both main bore and lateral bore cased and cement
      • ADVANTAGES
      • New well and existing well applications
      • Permanent datum point in the well
      • Multiple laterals
      • Positive re-entry
      • Open hole support
      • Adaptable to all formation types
      • DISADVANTAGES
      • No pressure integrity at the junction
    • 15. TAML Level 5 Pressure integrity at the junction achieved with completion equipment (Cement IS NOT Acceptable )
      • ADVANTAGES
      • New well and remedial applications
      • Permanent datum point in the well
      • Positive re-entry
      • Open hole support
      • Adaptable to all formation types
      • DISADVANTAGES
      • Restricted re-entry access
    • 16. TAML Level 6 Pressure integrity at the junction achieved with casing (Cement IS NOT Acceptable)
      • ADVANTAGES
      • Positive re-entry
      • Mechanical and hydraulic support
      • Adaptable to all formation types
      • Numerous completion options
      • DISADVANTAGES
      • Limited pressure differential ratings
      • Larger well bore requirements
    • 17. Level 6 Junctions
      • Stackable Splitter
      Deep Set Splitter FORMation Junction
    • 18. TAML Complexity Versus Flexibility Complexity of Installation Completion Flexibility 1 2 3 4 6 5