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- centering and assuring the stability of the drilling string inside the well hole;

We are offering a wide variety of stabilizers constructive features including: spiral, straight, integral and welded blade stabilizers.

The integral blades stabilizers are provided with one steel body obtained through complete machining. The welded blade stabilizers has a strong construction, consisting of a steel body on wich the blades are applied by welding.

- box up – box down, recommended for mounting over the drilling bit.

The position of the drill collar string of the stabilizer depends on the parameters of the drilling regime and on the nature of the formations which are passed through during drilling.

- box up – pin down, recommended for mounting in the drill collar string;

Stabilizers are avaible in an ssartment of sizes (from 4 3/4'' to 26''), lengths, number of blades, types of hardfacing, and connections, or can be custommade to Customer specifications.

The stabilizers are used in the drilling activity, being mounted in the drilling string above the bit or in between the drill collars and have following functions:

- avoiding the well hole deviations;

According to the type of the threaded connection, the stabilizers are made in the following solutions:

- protecting the drill collar string against wear due to the friction with the walls of the well.

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«DMZ Engineering», 8-A, Lodzinskaya str. Kharkov, Ukraine, 61099, tel: +38 (057) 759-13-06 e-mail: sales@dmz.in.ua

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