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BY THE GRACE OF ALMIGHTY ALLAH, THEMOST MERCIFUL AND BENIFIENT


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HOISTING SYSTEM

The main task of the hoisting systemis to lower and raise Drill string ,Casing and other subsurfaceequipment into or out of well.


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HOISTING SYSTEM


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HOISTING SYSTEM

Hoisting system consist of : 1 Crown block

2 Drilling line

3 Traveling Block

4 Draw Works

Auxiliary hoisting components include: Fast line,

Dead line,

Dead line anchor

Hook

Storage Reel


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Crown Block

An assembly of sheaves or pulleys mounted on beamsat the top of the derrick. The drilling line is run overthe sheaves down to the hoisting drum.


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Drilling Line

A wire rope hoisting line, revved on sheves o! the crown"lock nd trveling "lock #in e$ect "lock nd tckle%& Itspri'r( p)rpose is to hoist or lower drill pipe or csing !ro'or into well&


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T*+EING BOC-

An arrangement of pulleys, or sheaves, throughwhich drilling cable is reeved, which moves up ordown in the derrick or mast.


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.rwworks

The hoisting mechanism on a drilling rig. It is essentially a

large winch that spools off or takes in the drilling line and

thus raises or lowers the drill string and bit.


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Fast line

The end of the drilling line that is affixed to the drum or reelof the draw works, so called because it travels with greatervelocity than any other portion of the line.


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Dead line

The drilling line from the crown block sheave to the anchor,so called because it does not move.


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Dead line anchor

A device to which the deadline is attached, securely fastenedto the mast or derrick substructure called a deadline anchor.


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Hook

A large, hook-shaped device from which the elevator bails or theswivel is suspended. It is designed to carry maximum loads.


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Storage Reel


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