Unihead
Description
Design casing head and tubing head to a integral to meet operation space
No need to replace BOP during drilling
Mandrel casing hanger designed with mud circle groove
Equipped with emergency slip to avoid casing being locked during lowering casing and mandrel casing hanger not at right position
Hanging casing and cement. then instal1seal assembly. The structure of hanging and sealing can avoid hanging casing and damaging sealing element during cement, and can repair and replace sealing element conveniently
Elastic circlip lock hanger automatically to make seal performance reliable
Apply to all kinds of casing and tubing program
Working Pressure:2000PSl~20000PSI
Working Medium: oil, natural gas, mud and gas containing H2S, CO2
Working Temperature:- 46℃~121℃(Class LU)
Material Class: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1~4
Performance Requirement: PR1~2F