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2015/05/25

Different Types Of Casing Elevators And Their Uses

By Tammie Caldwell


Suspending, moving and rotating the tubular in and around wells and drill floors are among the activities that take place at gas and oil fields. Handling equipment therefore finds a number of uses in such areas. Most of the tools in use proof difficult to work with due to size and weight. Casing elevators are however used to make work easy and can be obtained in different types depending on the use.

The single joint elevator is among the different types. It comprises of a housing with an access opening designed to receive the tubular. Another constituent is the power assembly in it configured to close and open the case opening. In many instances, its remote operated. It finds uses in handling the tubular only and can withstand a weight of up to 5 tones.

The center latch is another type of this equipment. These are mostly air operated. They vary in appearance and design based on the functions they serve and area of usage. They have a number of uses within the fields but are more effective when used to handle taper drill pipes and drilling tools among them the drill collar.

Manufactures have come up with varying models on the tubing slip elevator as a result of advancing technology. These types are more ideal for hoisting purposes. They are effective for the integral joint tubing function, non-coupled casing among other uses. They are also in a position to assume the functions of a center latch in handling drill pipes, casings and tubing.

Another type is the casing slip. Again the slips are also available in different sizes and specifications. Their core function is in handling. You will find them being used to handle collar type covering. They are attached with a safety latch lock as a safety measure tool while in operation. The weight this type handles is determined by the size and specification of the specific equipment in use.

Hinged casing spiders and bushing have numerous uses. This are used in covering handling operations depending on a number of facts. They replace cementing equipment when they cannot clear a closed spider rotary. Like the previous types, hinged casing spider elevators vary according to sizes depending on the weights they handle.

A look into the SLX elevators reveals a number of facts about them. Among them is the task their manufactures have in hand to ensure that they meet all the standards required of them. They also have to ensure that their product is in a position to offer the diverse roles expected of this specific type. It assumes both handling and suspension roles effectively. The said can therefore handle a drill pipe; rotate it into the intended position before placing it where it is required.

Since this equipment find their uses in areas where drilling is among the core work, drill type elevators are therefore of importance. They consist of extension in their structures that offer substantial grip on the items they handle. As a result of this ability, they are suitable for handling purposes.




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