The Marriott Drilling Group is the largest deep onshore deep drilling company based in the United Kingdom operating 19 drilling and workover rigs and a wide range of drilling and associated services to the oil, gas, shale gas, gas storage, coal, CBM, mining, water and geothermal industries and for specialised geoscientific drilling projects in Europe and selected international markets.
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Marriott and the key personnel within the Marriott Group have been involved in geothermal exploration and development for over 30 years. Projects carried out include high temperature hydrothermal wells and hot aquifer wells as well as for engineered geothermal systems projects in basement rocks.

The Marriott rig inventory includes rigs with high substructures to accommodate the large diameter blow out preventers necessary for geothermal exploration and development.

Projects have been undertaken in Europe, Central America and East Africa. 

Geothermal Oil and Gas Shale Gas Gas Storage Mining Water Specialist Services