Types Of Various Casing Elevators And The Role They Play

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 also a member of this family. This is air operated and the size varies according to the size of the place it is being used. They fetch a number of uses but are mostly used in handling taper drill pipes and drilling equipment such as the drill collar.

Manufactures are in a position of availing the tubing slip elevator according to the specification given by a client and inconsideration of the budget. These types are mostly hoisting tools in the field. They are fit for integral joint tubing, non coupled casing just to mention but a few uses. It can also be used in place of a center latch to handle drill pipes, casing and tubing.

Casing slip is used for handling purposes. You are more likely to find them handling collar type casing. They also uphold safety while in use since they are attached with a safety lock. They can be used to handling varying weights and the ability is determined by the size they come in and the specifications they comprise of.

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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