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- Contact Person : Ms. zhao nana
- Company Name : Dezhou zhonglian petroleum machinery Co.,Ltd
- Tel : 86-0534-2187251
- Fax : 86-0534-2187553
- Address : Shandong,Dezhou,xinhua industrial park
- Country/Region : China
- Zip : 253000
well head assembly
double stage casing head
In addition to all the features of single-stage casing head ，the double-stage casing head presents the following features:
Through putting the testing plug into 9-5/8 "hanger before pressure test of the third section drilling, Can be fully detected quality of the second section drilling.
The procedures and workforce of installing BOP can be...
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