نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای pennanent guide base:
n: a structure attached to and installed with the foundation pile when a well is drilled from an offshore floating drilling rig. It is seated in the temporary guide base and serves as a well head housing. Guidelines are attached to it so that equipment (such as the blowout preventers) may be guided into place on the wellhead.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
