Based on all kinds of drilling and oil-production casing head used in the oilfields at home and abroad and manufactured by Shenhua company.Series TFZ35-70A casing head,considering of the actuarial conditions of driling process flow,is a new patent product (Patene NO.01217781.4),which gathers all of the advantages of casing heads,simples installation process and furthers to raise the safety and reliability.
Main technology parameters
Casing procedure:20" × 133/8" × 95/8" × 7" or 51/2" ;
Connection:
Of the top: 13 3/8” × 5000psi (10000PSI) flange with gasket ring BX 160 (bx159);
OF the bottom: 13 3/8” CSG casing thread;Flange of side outlei: 35 & 65 R27 (70&65 BX153);Supporting load;5000KN;
Interchangeable hanger:4” 、 41/2” 、 51/2” 、7” & 95/8” ；
Working pressure：35Mpa (70MPa)
Suitable depth of well: 5000~7000m;
Working medium: Oil,gas and mud;
Vertical bore minimum: 316mm;
Rated material class: DD.
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