دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: See guide shoe.

n: see guide shoe. casing slip n: see spider.

n: A short section of steel filled with concrete and rounded at the bottom. This is installed on the bottom of the casing string to guide the casing past any ledges or irregularities in the borehole. Sometimes called a guide shoe.

a tapered guid shoe on the bottom of a casing string to assist in passing ledges and dog-legs in the wellbore.

n: The first foot of casing with guide shoe when running casing.

n: See guide shoe.

n: The cement liner in casing guide shoe or float collar.

n: A special liquid pressure-sensing piston valve installed in casing guide shoe or casing float collar.

n: The cyclone casing guide shoe with unidirectional float valve.

n: the casing accessories set in the bottom of the casing,with several cataclinal side openings on the wall

n: a fishing :tool containing metal-cutting knives that is lowered into the hole and over the outside of a length of pipe to cut it. The severed part of the pipe can then be brought to the surface. Also called an outside cutter. Compare internal cutter.

n: The cutter is composed by joint,shell,cutter and guide shoe

a mechanical, chemical or explosive device that is lowered over a pipe to cut from the outside.

n: a short. heavy, cylindrical steel section with a rounded bottom that is attached to the bottom of the casing string. It contains a check valve and functions similarly to the float collar but also serves as a guide shoe for the casing.

n: a short cyclindrical steel component that is attached to the bottom of a casing string,the float shoe has a check valve and functions in the same manner as the float collar,in addition,the float shoe has a rounded bottom that acts as a guide shoe for the

same function as a float collar but run on the end of the casing.