Technology of auger drilling of frozen soils for seismic. How to properly drill frozen soil. Methods and technical means of drilling wells

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This auger is designed for drilling frozen or rocky soil. This auger is a special auger, which can be used for drilling mainly various wells. In particular, it is possible to drill wells for poles with a diameter of 200 mm and a depth of 800 mm. In order to achieve a significant reduction in the forces expended on drilling and at the same time speed up the work performed when drilling both frozen and directly rocky soil, it is necessary to use special removable blades that are designed specifically for this auger. At the same time, if necessary, the screw can be easily replaced. It should be noted that this screw the best way suitable for gas drills that have an above average power rating, as well as high power gas drills.

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Delivery cost in Moscow within the Moscow Ring Road + 5 km:

When ordering from 1000 rubles. up to 12000 rub. - 290 rubles.
- when ordering over 12,000 rubles. - free shipping.
- when ordering up to 1000 rubles. - 450 rubles.
- urgent delivery - 700 rubles. (carried out on the day of the order and depends on the workload of the couriers, must be agreed with the manager).

Delivery of orders weighing up to 15 kg is carried out to the apartment.
Delivery of orders weighing more than 15 kg is carried out to the entrance.
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Description

The design of BTKP series drills is a coilless body made of high-quality steel, a powerful burr and reinforced cutting teeth with double fastening in a holder welded into the drill body - provides high strength characteristics of the tool. Due to the use of individual geometry, the tool implements cutting forces and group chipping during the drilling process. This allows you to significantly increase the productivity of drilling. In BTKP drills, an unparalleled constructive solution- removable cutting teeth original design, allowing you to fix the cutter as rigidly as possible, as an alternative to welded ones. This made it possible to significantly increase the maintainability of drills and eliminate long downtime in case of breakage of the cutters, since dismantling and welding operations are not required to restore the drill's performance. Replacement of incisors is carried out in as soon as possible in field conditions and does not require the involvement of specialists. But it provides secure fastening cutting bodies and their sufficient strength when cutting frozen and non-frozen soils. The cutters are positioned in the drill body in compliance with optimal angles. A special powerful auger has been developed for BTKP drills, which makes it possible to effectively destroy frozen soil. The burr is equipped with the same cutters as the drill itself. With the same diameter, a coilless conical drill BTKP in terms of its productivity and working life, it significantly (according to test results - 3-5 times) exceeds any bladed reinforced drills used in northern conditions. In addition, it provides a reduction in the load on the drilling rig, which increases its interservice period and saves on maintenance. Reinforced Drills BTKP have a long service life and are optimal for large volumes of drilling operations in cases where, within the framework of one project, it is necessary to drill in various types soil. Drills can be used with any type of auger tools and drill rods. The tool is patented and certified.


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Universal cone drills BTKP are a reinforced version of the tool, designed to penetrate non-viscous thawed soils of any type II-VI category of drillability according to SNiP IV-2-91, frozen soils IV-VI category of drillability according to SNiP IV-2-91 - frozen and icy sandy loam , sand, clay and clay soils(aleurites, etc.), loam, peat, including those with inclusions of gravel, pebbles or rocks (inclusions up to 20%, without boulders), as well as soft-rock soils of IV-V drillability category according to SNiP IV-2-91 and soils mixed type (argillites, margil clays, conglomerate on sandy-clayey cement, etc.).

As a rule, the need to drill frozen ground may arise in different situations. This also applies to drilling wells for water, and work on the extraction of any materials, and other works. But drilling icy soil is much harder than normal. Therefore, this matter needs to be approached more thoroughly and seriously.

Drilling wells in frozen ground should be done slowly, as haste can lead to poor quality drilling or tool breakage.

To drill the soil with your own hands as correctly and easily as possible, you need to follow some very important rules. But keep in mind that the rules described below will apply specifically to drilling in the cold season. Therefore, for an ordinary process of this kind, they can be neglected.

Drilling preparation

Before you start drilling wells frozen ground, you need to choose the right drilling tool. To work with this type of land, it is necessary to purchase a drill of such length that the cable sleeve with a socket is 2 meters higher than the cuttings that are in the well. This requires the presence of cross or rounded chisels on the tool. Experts also advise to join required amount drill rods to the bit. After all, the process will go much more productively.

Conical drill (zaburnik) for frozen soils.

Before starting work, be sure to check the reliability of the cable with which you will get the drilling tool. This is very important, because if the cable breaks, it will be very difficult to get the drill, and this is just additional trouble.

If the well to be drilled reaches one meter, then it is advisable to additionally weld plates of fairly strong steel to the working edges of the bit. Others no less good option is electrode welding.

It is very important during development to ensure good pressure borax. It is usually achieved through optimal performance bit working edges. If the edges become blunt over time, then the pressure decreases accordingly. The conclusion is to sharpen the edges in time.

When drilling frozen soils, it is very important to check the degree of wear of the drilling tool (in particular, the working edges) after each lifting with a cable. As a rule, each type of soil has its own wear levels. Therefore, this must be constantly monitored. Otherwise, instead of a normal hole, a funnel-shaped hole will appear during the drilling process, where the drill will constantly get stuck and deteriorate.