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MFP – Installation using a Jack up Rig. Dr . Sanjaya Pillai, Business Head, GLND India, Aswathy Ezhampakkel, Sr . Naval Architect, GLND Qatar. History.

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mfp installation using a jack up rig

MFP – Installation using a Jack up Rig

Dr. Sanjaya Pillai, Business Head, GLND India, Aswathy Ezhampakkel, Sr. Naval Architect, GLND Qatar

history
History
  • October 2006: NDC started operations in Mumbai by opening a project office to execute 4WPP & BCPB2 projects
  • 1stApril 2008: Noble Denton India Pvt Ltd established
  • January 2009: ISO 9001 certification awarded to Noble Denton India PvtLtd
  • April 2009 GL acquired Noble Denton
  • April 2008-May 2012: NDI executed many warranty projects.
gl group business streams
GL Group Business Streams
  • GL NOBLE DENTON (OIL and GAS)
  • Advanced Engineering and Consulting
  • Marine Operations and Consulting
  • Technical Assurance
  • Design and Execution
  • GL MARINE (CLASS)
  • Classification Society
  • GL GARRAD HASSAN (RENEWABLES)
  • Renewables
mfps definition
MFPs -Definition

BACKGROUND

1. Production wells on the verge of depletion, Additional wells can be drilled in the near vicinity if some marginal fields are available near the existing facilities.

  • Existing no. of Production wells is not sufficient to take care of increased flow. Additional wells needed for tapping the resources.
  • Marginal fields exploitation, Minimum facilities for feasibility considering other factors like cost, grouping of fields etc.
  • Concept of Minimum Facilities Platforms
mfp installation
MFP - Installation

INSTALLATION PERSPECTIVES

  • Risk during Load-Out, Transportation and Installation
  • Reconsideration of Design Parameters
  • Safety during Installation
  • Size and Weight of the Structure Involved
  • Installation Methodology - innovative
  • Identify Marine Procedures
  • Reasonable risk from Owners/Underwriter’s points of view
installation a case study
Installation – A Case Study

INSTALLATION of MFP – A Case Study

  • Operator – Middle East
  • Feasibility Study for Installation with a Rig
  • Additional wells needed for accommodating increased oil flow => adjacent additional platform with Minimum Facilities proposed
  • Input from various contractors taken during feasibility study
  • Feasibility Study confirmed after thorough evaluation of feasibility of Installation
  • GLND developed Installation Procedures and Marine Procedures
installation a case study1
Installation – A Case Study

INSTALLATION of MFP – A Case Study - Design considerations

  • Deciding parameters
    • Rig Capacity of Lift
    • Rig Reach of Lift
  • Safety of Existing Platform
    • Installation Methods
    • Risk Assessment and Mitigation
installation a case study2
Installation – A Case Study

INSTALLATION of MFP – A Case Study - Steps

  • Position the Rig near to the existing platform
  • Cantilever extended, Install Pin pile
  • Template loaded, sea-fastened and arrives at the location
  • Template Lift with Rig, Lowered and Placed on the Bottom
  • Install Legs(Conductors)/ Work Platforms
  • Topside Lift after Rigging inspection
  • Final adjustment using tugger winches
  • Positioning Levelling and welding the Topside on the legs
slide9

MFP – Installation Perspectives

Step #1, #2

Position the Rig near to the existing platform, Cantilever extended, Install Pin pile

Outreach -45’

Port/Sbd- 14.5’

slide10

MFP – Installation Perspectives

Step #3

Template loaded, sea-fastened and arrives at the location

No welding to the deck (timber)

slide11

MFP – Installation Perspectives

Step #4

Template Lift with Rig, Lowered and Placed on the Bottom

Mooring:

Bow -1

Stern - 2

slide12

MFP – Installation Perspectives

Step #5

Install all other Legs/ Work Platforms

Cutting at the desired elevation

slide13

MFP – Installation Perspectives

Step #6

Topside Lift after Rigging inspection

Crash rail

Air gap

slide14

MFP – Installation Perspectives

Step #7

Final adjustment using tuggerwinches

Positioning is a delicate job

slide15

MFP – Installation Perspectives

Step #8

Positioning, Levelling and welding the Topside on the legs

installation a case study3
Installation – A Case Study

INSTALLATION of MFP – A Case Study - Issues

  • Rig Limitations – DAF to be considered
  • Weather during Installation – very important
  • Positioning of the Rig – rig move and soil assessment
  • Placing of the Topside simultaneously on conductors/legs
  • Tugger Line and Lifting Gear – to be designed
  • Leveling of the Platform – suit to site
installation a case study4
Installation – A Case Study

SUMMARY

  • Design Parameters - Reconsideration
  • Risk Assessment and Risk Mitigation
  • Installation Methodology – Innovation
  • Custom made procedures/design
slide18

Thank you for your attention!

For further information visit www.gl-nobledenton.com

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