Core Completions offers a full consultancy service across a comprehensive range of completion engineering disciplines.

We tailor our approach to the needs of our clients delivering cost effective high quality solutions based on our industry expertise and established network of contacts across the oil and gas industry.

Our services can be offered either in isolation or as part of a multi-disciplinary approach to support any project across its lifecycle both across the UK and internationally.

We offer

A total Project Management Service from Conception through to Completion

Field Development Planning


  • Conceptual & detailed completion design
  • Completions, workover & intervention planning
  • Sandface completion design & sand control recommendations
  • Well cost estimates & full field CAPEX estimates
  • Failure analysis & lifecycle well OPEX estimates
  • Risk identification & management
  • Industry benchmarking services

Detailed Completion Engineering


  • Detailed completion design and FEED studies
  • Sand control analysis and selection
  • Frac pack and gravel pack detailed design services
  • Perforating system design, testing and optimisation
  • Intelligent well system design and specification
  • Completion equipment selection  and specification
  • Subsea equipment selection  and specification
  • Formation damage risks and management
  • Completion and workover installation procedures
  • Intervention design and detailed procedures
  • Stimulation design and detailed procedures

  • Tubing stress analysis services
  • Torque and drag analysis services
  • Downhole metallurgy studies
  • High level flow assurance strategies
  • Well integrity consulting services
  • Downhole reliability modelling
  • Failure analysis including failure investigations and finite element analysis
  • Production optimisation through enhanced well performance
  • Strategic and innovative cost reduction assessments
  • New technology selection and qualification
  • Risk assessments and risk management consulting
  • Downhole troubleshooting service

Contract Management


  • Long lead item planning & procurement
  • ITT’s and tender evaluation
  • Contract strategy
  • Cost reduction

Technical Assurance


  • Peer Review
  • Peer Assist
  • Completions Standards
  • Well Control Standards
  • Best Practice
  • Competent Persons Report
  • Expert Witness

For further details about any of these services please contact us at or call us direct on +44 (0) 203 249 9031