Drilling rigs are buildings that house equipment like pipes, cables, drill bits and derricks which are essential in extracting important commodities such as petroleum from under the earth’s surface. The rigs are categorized under offshore and land with the offshore handling drilling on the ocean floor and land based drills handling the drilling that’s carried out on land.
Apart from extracting petroleum, they can be utilized in the building industry in building basis construction, roadbed, bridges and airports constructions the place robust foundations are required. They can also be used in mining, drilling and water well drilling. The drilling rigs come in numerous types and probably the most suitable is chosen in keeping with the task that is at hand. The drilling rig classifications may be completed using varied factors, attributes or technologies.
The kind of energy a drilling rig uses can decide what type it is. Normally, you can find mechanical drilling rigs which use clutches, transmissions and torque converters which are powered by their own diesel engines. The electric ones are those whose machinery items are driven utilizing electric motors generating power on site by way of inner combustion engines. There are additionally hydraulic rigs which use hydraulic power, steam rigs which use engines and pumps which can be steam powered and the pneumatic ones which are powered using pressurized air.
Rig categorization under pipe has cable drilling rigs that use cables to lift and drop drill bits, typical drilling rigs which use plastic or metal drill pipes of different types to suit the perform and col tubing rigs that use big tube coils and down gap drilling motors.
Height categorization is available in when quickly removing drill pipes from the opening and is based on the number of linked pipes in the derrick. Single rigs pull dingle drill pipes, whereas double rigs can handle a stand of pipe that has two connected pipes in the derrick. Triple stand rigs can deal with three whereas quadri stand can accommodate 4 connected drill pipes.
By drilling methodology
The drilling technology classifies the drilling rigs into non rotational rigs that embody most service rigs and direct push rigs. There are also rotary table rigs that achieve rotation by turning a hexagonal or sq. pipe on the floor level of the drill. Top drive rigs have the circulation and rotation executed across the top space of drill string on motors moving on track along the equipment derrick whereas sonic rigs use vibratory energy in order that the drill string is advanced. You will also find hammer rigs that use percussive and rotation force.
By derrick position
Drilling rigs can be categorized according to the positioning of the derrick on the equipment. There are standard rigs that have the derrick in vertical position and slant rigs which have the derrick slanted at an angle of 25 degrees in order that horizontal drilling is facilitated.
Whatever the drilling needs you might have, there may be always an importance of making positive you select the perfect for the task at hand. When you know what your options are your probabilities of selecting the most effective drilling rig are increased.
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