Expro Excellence
Subsea Well Access
Expro completes nine well abandonment across multiple fields
Customer challenges
  • Expro’s client had the requirement for a subsea safety system to provide well barriers and disconnect capability during a subsea well abandonment campaign in the UK North Sea
  • This abandonment campaign was to be carried out by a mobile offshore drilling unit already contracted to client
  • Our client required three different designs of Tubing Hanger Running Tools (THRT) across the campaign. Two of these designs being mechanical so it required detailed planning on the string rotation/SSTTA umbilical management
  •  
Expro Excellence
  • Expro supported our client with the provision of a primary and back SSTTA system along with landing string tubulars and a Surface Tree
  • Three different types of interface adaptors were designed, manufactured, and certified by Expro to ensure full capability across all THRT designs
  • Previous operational experience working on assigned MODU proved invaluable throughout the planning and execution of this project
  • Our equipment was In-hole for 720 hours with zero NPT attributed to Expro equipment or personnel across the campaign
  • Expro SSTTA reliability was demonstrated with the system being unlatched and successfully reconnected twice during the campaign
  • Excellent onshore support ensuring delivery of equipment and personnel was managed to an extremely high standard through the entire campaign
Value to client
  • Expro’s expertise ensured all THRT’s were seamlessly interfaced with and safely changed out between wells across the campaign, ensuring no downtime, safety or environmental issues encountered
  • Un-interrupted operations in the face of everchanging operational challenges
  • Landing string disconnected and re-connected on two occasions at SSTTA, ensuring safe and efficient operations
Contact

Expro completes nine well abandonment across multiple fields

In Brief
Expro interfaced with three different designs of Tubing Hanger Running Tools across the abandonment campaign
Product Line
  • Subsea Well Access
Region
Europe and Sub Saharan Africa
Customer challenges
  • Expro’s client had the requirement for a subsea safety system to provide well barriers and disconnect capability during a subsea well abandonment campaign in the UK North Sea
  • This abandonment campaign was to be carried out by a mobile offshore drilling unit already contracted to client
  • Our client required three different designs of Tubing Hanger Running Tools (THRT) across the campaign. Two of these designs being mechanical so it required detailed planning on the string rotation/SSTTA umbilical management
  •  
Expro Excellence
  • Expro supported our client with the provision of a primary and back SSTTA system along with landing string tubulars and a Surface Tree
  • Three different types of interface adaptors were designed, manufactured, and certified by Expro to ensure full capability across all THRT designs
  • Previous operational experience working on assigned MODU proved invaluable throughout the planning and execution of this project
  • Our equipment was In-hole for 720 hours with zero NPT attributed to Expro equipment or personnel across the campaign
  • Expro SSTTA reliability was demonstrated with the system being unlatched and successfully reconnected twice during the campaign
  • Excellent onshore support ensuring delivery of equipment and personnel was managed to an extremely high standard through the entire campaign
Value to client
  • Expro’s expertise ensured all THRT’s were seamlessly interfaced with and safely changed out between wells across the campaign, ensuring no downtime, safety or environmental issues encountered
  • Un-interrupted operations in the face of everchanging operational challenges
  • Landing string disconnected and re-connected on two occasions at SSTTA, ensuring safe and efficient operations
Contact

For further information, please contact:

subsea.enquiries@expro.com