نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای rotary-shouldered connection:
n: the threaded and shouldered joint used in rotary drilling to join the various components of the drill stem.
v: To connect pipe together and lower the connected length into the borehole in a controlled fashion. The pipe lengths are usually screwed together either with rotary-shouldered connections for the drillstring, or threaded and coupled connections for casing,
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
