40 core technologies of TGRI in OCTG & linepipe engineering field are as follows:
Oil Country Tubular Goods(OCTG) engineering field:
1. Oil/ casing tube integrity technology in complex condition
(a) Oil/ casing tube failure analysis and safety protection control technology in complex condition
(b) Oil/ casing tube structure integrity and seal integrity evaluation technology
(c) Oil/ casing tube material applicable analysis and quality comprehensive evaluation technology
(d) Non-API oil/ casing tube design and development evaluation technology
(e) Oil/ casing tube string design proposal review and physical verification
(f) Non-API oil/ casing tube standardization and application technology
2. Special OCTG and auxiliary products design and application technology
(a) Coiled tube application key technology
(b) Bulged tube development and key application technology
(c) Casing tube drilling string optimization technology
(d) Special compound thread series products
3.Drilling tool failure analysis and prediction protection technology
(a) Pipe string failure analysis technology
(b) Pipe string applicability evaluation technology
(c) Drilling tool combination strength optimization design and tubular goods selection technology
(d) High-performance or special drilling tool design and applicability technology
4. OCTG corrosion and comprehensive protection technology
(a) OCTG corrosion performance test and evaluation technology
(b) Peracidity oil & gas field OCTG corrosion comprehensive protection technology
(c) Oil& gas field high in CO2 OCTG corrosion comprehensive protection technology
5.Oil tubes thread inspection technology
(a) Thread inspection, calibration and value traceability technology
(b) Non –API thread inspection technology
6.OCTG non-destructive test
(a) Drilling tool thread defect inspection technology
(b) Drilling pipe thickened zone defect ultrasonic inspection