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When installing the casing in the oil well, the lower casing with smaller diameterneeds to be installed with hanger after the upper casing has been fixed. An important function of the hanger is to help connect the upper and lower casing with the different diameter (ie, hanging operation). When hanging operation, the slip of the hanger should be effectively connected with the upper casing and be subjected to the weight of all the lowercasings with smaller diameter.

Ordering Instructions
1.Specify size and weight of the upper casing and the lower casing.
2.Specify the hydraulic cylinder, ball seat, the hydraulic pressure to cutoff rubber plug. 
3.For special order, please specify the special technical parameters or requirements in the contract. (material request etc. ...)
Ordering Instructions
1.Specify size and weight of the upper casing and the lower casing.
2.Specify the hydraulic cylinder, ball seat, the hydraulic pressure to cutoff rubber plug. 
3.For special order, please specify the special technical parameters or requirements in the contract. (material request etc. ...)
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.