Connection:
To loosen a collar or other threaded connection by striking it with a hammer.
A connection with the threads on the outside.
To attach a joint of drill pipe onto the drill stem suspended in the wellbore to permit deepening the wellbore by the length of the ...
A pipe or rod coupling with the threads on the inside.
A tapered connection with 8 threads per inch. One turn equals 0.125 inches of travel. Very common oilfield connection.
To guide the end of a pipe into a coupling when making up a connection.
A piece of pipe that has been twisted off inside a female connection; or a short section of material, such as belting or pipe, used ...
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