دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the prevent sticking joint that connected the top of fishing tool.

n: Both ends are thick thread, used to connect joints with different thread and diameter.

n: a joint to connect blowout preventers of different sizes or pressure ratings to the casing head.

n: A joint used to connect BOPs with different sizes or working pressures and casing head.

n: a hoist operated by compressed air;a pneumatic hoist. Air hoists are often mounted on the rig floor and are used to lift joints of pipe and other heavy objects.

n: Breaks at different joints in turn in order to check every joint periodically and avoid joint galling and thread fracturing.

n: (ALP) offshore platform in which the riser is jointed to allow for changes in water level, current, and so on.

n: a device usually installed on the first joint of casing to regulate automatically the amount of mud in the casing. The valve in this shoe keeps mud from entering the casing until mud pressure causes the valve to open, allowing mud to enter.