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KATI - Precision Information From the Depths of the Earth

KATI is an award winning Finnish company and our key services include diamond core drilling, modern and precise borehole measurements, field prospecting as well as processing and storing of core samples. We are one of the largest core drilling contractors in Scandinavia. Our goal is to provide our clients in Mining and Exploration industry with high-quality data on the geology of an area in an efficient and reliable manner.

Operations based on sustainable development principles

We have extensive experience working in demanding conditions, from underground mines to superterranean sites and from arctic regions to the Sahara. One of the key resources is our staff of skilled professionals committed to our shared goals. We continuously train and educate our employees in all aspects required to carry out our services in the best possible manner.

kati artic miningOur operations have been based on sustainable development principles for years to have a minimal environmental impact and are certified to comply with the ISO 14001 environmental management standard. We facilitate the implementation of our clients' projects by taking the interest of nature carefully into consideration in our drilling work.

Diamond core drilling and surveys

We produce high quality information from underground in an efficient and trustworthy manner. The principal product is drill core, and we aim to achieve prompt delivery of this product to the customer every time. The main goal is to provide reliable and first-rate service to the industry, making us leaders in drilling efficiency and delivery reliability.

kati ebrOur customers consist of various major and junior exploration and mining companies, including the dimensional stone industry, environmental research institutes, power companies, the Geological Survey of Finland, municipalities and other public-sector organizations. KATI headquarters are located on the west coast of Finland, about 150km south of Oulu.

Down hole surveys for additional data

Our measurement services complement the information received from the borehole. By using up-to-date deviation surveys, the location of the drill hole in 3 dimensions can be located extremely accurately. This is essential information for the company who is planning mining activities, as it determines exactly the point where the piece of core in the core box has been drilled. We carry out borehole measurements using magnetic & non-magnetic equipment and importantly a Northseeking Gyrotracer (SPT) with the most reliable results. Drill hole location measurements at surface and water pressure tests are also part of our service portfolio.

Core drilling units

Designed and developed in-house, our KATI drilling units are rich with decades of experience and practical know-how. Our drill rigs are safe, efficient, suitable for all kinds of terrain and they minimize the impacts of our work on the environment. We can also design and implement customised technical solutions.

kati core drilling unitsUnderground rigs are included in the selection of drill units, as well as helicopter transportable light weight rigs (Fly-rig). Fly-rig is a good option when you need to reach remote and difficult accessible destinations. KATI units can reach depths of more than 2,000 metres and we offer core samples with a diameter ranging from 30-80 mm.

Environmentally friendly core drilling

In the design and manufacture of drilling units, we have paid particular attention to environmental friendliness, operation under arctic conditions and occupational health & safety. The KATI drilling cabin is enclosed and so provides good working conditions for operators, even in tough conditions. Nearly all rigs are rubber tracked, which provides easier moving and minimizes the stress to environment.

One of the practical solutions created by our R&D is an award-winning closed-cycle system. This enables us to minimise water consumption through recycling of water used in drilling (75%). Residual rock cuttings/waste can be separated and are removed from site. This application is being used in sensitive areas where cuttings must be transported out of the area.

Prospecting and service packages

From our service selection, customers can choose the required services or a comprehensive service package in cooperation with our partners Palsatech Oy and Geovisor Oy. Services include geochemical sampling, geophysical measurements (surface, downhole), geotechnical field work, samples processing & storing, installation of piezometers, inclinometers, extensometers as well as plugging and cementing of boreholes.


dnv logoOY KATI AB Kalajoki
Sievintie 286
Tel: +358 207 430 660
Fax: +358 207 430 661
Email: info@oykatiab.com
URL: www.oykatiab.com