Thursday, May 14, 2015

Different Types Of Casing Elevators And Their Uses

By Tammie Caldwell


Gas or oil field consist of a lot of activates. Most of the equipment in use in these areas are huge and heavy and require special equipment to handle them. Handling tools is important in such fields due to the numerous services they offer including moving and rotating tubular in and around the wells and on the drill floors. There exist numerous types of casing elevators and all have different functions.

The single joint elevator is equally of importance. It is characterized by a housing with an access opening designed for receiving a tubular. It also comprises of a power assembly configured to open and also close the opening of the case. This type is used in handling a tubular alone and can handle up to a weight of five tones. In most cases, it is remote operated.

There exists the center latch type. Most of these are air operated. They are designed according to specification that will suit the condition of place in use and the exact functions. They fetch a number of uses and perform best when used to handle taper drill pipes, drilling tools such as drill collar in oil and gas fields among other uses.

Tubing slip elevator is of different forms according to the manufacturers. It is a hoisting tool in this field. It is fit to integral joint tubing, non-coupled casing among others. Most of the functions it performs are similar to those of the center latch type. It is therefore used for handling drill pipes, casing and tubing the oil or gas fields.

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.

The hinged casing spiders and bushing also finds a number of uses. Mostly they are handling equipment and their functions are determined by a number of facts such as place of use and size of the well. They are perfect replacements for cementing equipment where they cannot clear a closed spider rotary. This model in use will also determine the weight they can handle.

When coming up with an SLX elevator, the manufactures have to be keen and ensure that their product is in a position to effectively offer the intended services. It offers diverse roles when in use. This type is suitable for both handling and suspension roles. It is therefore in a position of handling drill pipes and places them in the intended region as expected by the users.

There are also the drill type elevators. As the name suggests, their function is mostly revolving around the drill pipes. It has extensions that effectively grip the pipes and place them in their desired locations. They are therefore ideal for handling purposes within the oil and gas fields.




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