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Well Decom in partnership with MDT International Ltd - Introduction to Well Decommissioning

A one day course designed to provide an introduction to the basic technical aspects of well decommissioning. The content will provide an overview of well decommissioning, what’s involved and how well work fits into the overall decommissioning project.

Course Content:


  • Scene setting regarding the importance of good decommissioning practice in the modern world.  UK and global context

Key Definitions

  • Regulation – Guidelines – Standards. Critical definitions in the context of UK Guidelines, their meaning and interpretation

Permanent Barriers

  • Meaning of permanence, types of barrier, materials, size etc.  The importance of annular cement and annular barriers and special cases

Verification, Responsibilities and Accountability

  • The importance of verification in all aspects of well decommissioning. The role and responsibilities of Technical Authorities, the Well Examiner and Management

Abandonment in Practice

  • Planning for and dealing with risk and uncertainty – Equipment and Services selection – contracting strategies - record keeping

Cost Estimating and Budgeting

  • Reflecting uncertainty in cost estimates – cost estimating methods – balance sheet liabilities – budgeting, AFEs and project cost management

New Technology

  • A brief review of existing and developing technologies likely to impact on future techniques and costs

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