Basically, rotary actuators are being used for heavy-duty motion applications. Some of the main features of a rotary actuator is that it has high power units, high-performance capabilities, as well as a considerably large volume. They simply provide the needed lift for indexing, turning, lifting, bending, testing, and also steering applications. They have been designed to be as efficient as possible. Their efficiency level makes them ideal for use in precision controls as well as in heavy duty machine tools.
They are simply connected or coupled to what is referred to as a rotating load at the same time providing good control, smooth reversals, speed, deceleration, and also positioning. Additionally, they are also capable of adding flexibility in each design while reducing the weight of electrical and mechanical power transmission. They have been designed in such a way that they are able to withstand harsh weather conditions and also being protected from dirt, dust, and moisture.
Rotary systems are basically made up of almost every component or part of the rig that works together to ensure that the drill bit is rotated. The main idea behind the drilling of oil is to effectively drill towards the subsurface formations of the Earth by rotating the bit at the same time applying excessive force to the drill bit from an elevated or standing position as the case may be. One of the most important systems of the rotary system is that of applying weight. Without the needed weight in a bit, the rotary system would simply rotate repeatedly without any drilling work carried out. This is why the rotary system is of great importance.
There are a number of components that make up a rotary system, each of these components has specific functions they perform to ensure that the drilling process is carried out in an efficient, environmentally friendly and safe manner.
The Components Of Rotary Systems
As mentioned earlier, there are about six different components of the rotary system, and as mentioned above, each of them performs specific functions all working to ensure an efficient and safe drilling process.
This is just a very large handle that is responsible for holding the entire weight of the drill string in that process enabling effective rotation. The ball, which is the upper part of the swivel is attached to the block which happens to be a member of what is referred to as the “hoisting system.” The hoisting system is responsible for allowing the drill string to be lowered or raised right into the wellbore.
Additionally, the gooseneck, which is the top of the swivel provides a connection that faces downwards, thus, enabling the hose to attach in a proper manner and efficient manner.
- The Kelly
This happens to be the first section of the pipe that is below the swivel. This component of the rotary system happens to be quite different from the other drill string components in terms of its shape and size. Unlike the others, it is a hexagonal or square portion of the pipe. The main purpose of this component is the fact that it provides torque to the drill string.
This component of the rotary system has been designed so that it fits conveniently into the Kelly bushings.
- Rotary Drive
This component of the rotary system is responsible for providing the rotary table with the needed power. Prior to this time, most of the rotary drives that were designed looked like sprocket and chains used in bicycles. However, the new rotary drives have been designed to provide torque or moment of force to the rotary table. Latest technological advancements have made it possible for the rotation of drills to be achieved through the incorporation of hydraulics motors into the power swivel.
- Rotary Tables
These are simply tables that are used in work-positioning in metalwork. They have been said to have a number of uses cases in various industries. In a rotary system, rotary tables happen to be the portion or part of the rig floor that is responsible for rotating the drill string through the moment of force that is provided by the rotary drive.