نمایش نتیجه 1 تا 4 از 4 نتیجه یافت شده برای cement casing head:
n: A cementing tool used to clean the drilling fluid in the wellface and prevent drilling fluid invading cement slurry. Installed in the cement casing head and threw into the wellbore before cementing.
n: See cementing head.
n: short casing joint that connects the last casing and cement casing head , it aslo can adjust the top of location of casing strings .
n: cement casing head that connected on the top of casing when pumping cement.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
