دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

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

n: a kit comprising a setting sleeve, adapter rod, and adjustment nut for setting drillable or permanent tools on wireline or by using hydraulic setting tools.

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 special device that fits into a bit breaker adapter (a plate that goes into the rotary table) and conforms to the shape of the bit. Rig workers place the bit to be made up or broken out of the drill stem into the bit breaker and lock the rotary table to hold the bit breaker and bit stationary so that they can tighten or loosen the bit.

a heavy plate that can hold the bit in the rotary table to make or break it from the drill string.

n: a heavy plate that fits into the rotary table and holds the bit breaker;a device used to hold the bit while it is being made up or broken out of the drill stem.

n: see bit breaker adapter.

n: a swage nipple, usually beveled, installed on the top of a string of pipe that does not extend to the surface. It prevents a smaller string of pipe or tools from hanging up on the top of the column when it is run into the well.

n: The joint that is installed at the top of the casing string which doesnt reach to the earth surface.