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Welcome to Marriott Drilling

The Marriott Drilling Group is the largest onshore deep drilling company based in the United Kingdom operating over 25 drilling and workover rigs and providing a wide range of drilling and associated services to the geothermal, water, mining, and oil and gas industries and for specialised geoscientific drilling projects in the UK, Europe and selected international markets.

Marriott offers a selection of business arrangements from traditional day rate type contracts to incentive contracts, joint ventures, alliances, partnerships and integrated service solutions with project management to provide clients with a wide range of services, particularly for special and long term projects.

The Marriott Drilling Group has an ambitious growth strategy including plans for increasing the rig fleet by adding state-of-the-art equipment where opportunities arise and developing further international markets.

Marriott is a member of Geothermal Rising (formerly the Geothermal Resources Council), the International Association of Drilling Contractors (IADC) and a member of the Well Drillers Association (WDA).

Latest News

Marriott Drilling awarded Queen’s Award for Enterprise : International Trade 2022

Marriott Drilling is proud and honoured to announce that the company received a Queen’s Award for Enterprise : International Trade 2022. It is parti …

Marriott Completes Geoscience Contract in Switzerland

Marriott has recently completed a long-term contract in Switzerland on behalf of NAGRA, the Swiss federal agency investigating the safe and responsibl …

Marriott Geotechnical complete initial research drilling – UKGEOS Project – 100 m deep ground investigation borehole for the British Geological Survey (BGS)

The UK Geoenergy Observatories (UKGEOS) project aims to establish new centres for world-leading research into the subsurface environment. This project …


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