نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای circulating head:
n: see drilling fluid, mud. circulating head n: an accessory attached to the top of the drill pipe or tubing to form a connection with the mud system to permit circulation of the drilling mud. In some cases, it is also a rotating head.
n: See drilling fluid.
n: A joint installed at the top of drill pipe, used for connecting with circulating system to circulate drill fluid.
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