The long-term oil and gas well production requires workover. The workover envisages large-scale replacement of the equipment, elimination of serious faults, well hole deepening or expansion as well as secondary drilling. 

Companies, which are part of Kazpetrodrilling JSC, have all required equipment and facilities to perform any type of workover:

1. Large fleet of lifting equipment – 51 lifting units, such as, Kremco-80, UPA-60, PAP-50, TXJ100, ZJ20.
2. The workover may be performed at 5,000 m depth;
3. The qualified personnel attends training to maintain qualifications and study new well workover technologies;
4. Significant experience – history of one of the companies, Kaztechmunayservis LLP (link), goes back to 1953, when one of the divisions of Embaneft Industrial Association performed well workover at the facilities of the specified industrial association.