Work-over/Completion Services Home > Business > Introduction of Drilling Technical Services

Work-over/Completion Services

  • ZPEC has its own technology center for well testing, stimulation, and completion tools. Over 90% of ZPEC’s crew members have onshore/offshore well completion experience in overseas countries. ZPEC teams are the best in dealing with complicated wells.
  • Completion operations (turn-key): casing well completion, open-hole completion, work-over, well intervention, etc.
  • ZPEC can provide Completion Integrated Technology Services capability including completion tools’ R&D, manufacturing, rental, sales and services.


Casing well completion
-Casing srap
-Depth correction
-TCP/E-line Perforation
-Installation of welhead equipment
-Stimulation (fracturing/acidizing)
-Well testing
-Install of well head equipment


Open-hole completion
-Installation of down-hole tools
-Well testing
-Installation of wellhead equipment
-Stimulation (acidizing/ multi-layer fracturing for horizontal well)
-Multi-Stage Fracturing of Horizontal Wells
-Multi-lateral horizontal well completion


    Well Workover and Intervention

    Work-over                             Casing & Tubing Services                      Pump Inspection

    Leakage-blocking                  Re-completion                                       Sand-flushing

    Gas-lift                                   Re-perforation                                       Well Logging

    CTU Services                        Sickline Services                                   Perforation


    ZPEC provides Lump-sum Service (design, construction, supervision) to clients, involving well intervention, work-over, etc.  ZPEC has gained rich experience overseas in the most difficult circumstances.

About Us
Business Introduction
HSE Management
Human Resources