GeoSonic's rig and equipment fleet combines advanced sonic drilling technology with experienced crews and technical planning to deliver safer, cleaner and more reliable ground investigations
12 x DB320 Multipurpose Sonic Rigs
GeoSonic operates the UK's largest dedicated fleet of sonic drill rigs, including twelve DB320 Multipurpose sonic rigs. This standardised fleet provides consistent performance, reliability and operational flexibility across multiple simultaneous contracts, while ensuring common tooling, maintenance procedures and operator expertise.
The DB320 platform is exceptionally well suited to the diverse ground conditions encountered across the UK. Each rig is equipped to undertake a full range of geotechnical and environmental investigation techniques, including Standard Penetration Testing (SPT), undisturbed sampling, window and piston sampling where appropriate, rotary open-hole drilling, conventional rotary coring, and wireline Geobor-S coring. This versatility allows drilling methods to be adapted as ground conditions change without the need to mobilise alternative equipment.
2 x TSi 150CCE Dual Head Multipurpose Sonic Rigs
GeoSonic's TSi 150CCE Dual Head Sonic Drill Rigs provide a unique combination of sonic drilling performance and conventional rotary capability within a single platform. The dual head configuration enables rapid casing advancement alongside independent rotary drilling, making it particularly effective in difficult overburden, mixed ground conditions and projects requiring seamless transition into bedrock.
The rigs are equipped to undertake a comprehensive range of geotechnical and environmental investigation techniques, including rotary coring, Geobor-S wireline coring and specialist in-situ testing. GeoSonic's TSi 150CCE is also the only drill rig in Europe fitted with the integrated e-SPT system, delivering automated Standard Penetration Testing with real-time digital data capture, improved repeatability and enhanced quality assurance.
e-SPT
GeoSonic operates the only drill rig in Europe equipped with the integrated e-SPT (Electronic Standard Penetration Test) system, providing a significant advancement in geotechnical testing capability. Fully integrated into the drilling rig, the system automates the Standard Penetration Test process while digitally recording every stage of the test, eliminating manual data collection and improving both consistency and traceability.
The e-SPT system captures real-time test parameters including hammer energy, penetration rate, blow count and depth, producing a comprehensive digital record of each test. This provides engineers with a higher level of confidence in the quality and repeatability of SPT results, whilst reducing the potential for human error and improving on-site efficiency.
HGV Fleet (Owned & Operated)
GeoSonic owns and operates a dedicated fleet of Scania and DAF heavy goods vehicles together with modern low loader trailers, providing complete control over the transportation and mobilisation of its drilling fleet. Unlike reliance on third-party haulage providers, this in-house capability enables rapid deployment of equipment throughout the UK, ensuring clients benefit from shorter response times and greater programme certainty.
The fleet is configured to transport a wide range of drilling rigs, ancillary equipment and support plant safely and efficiently, allowing multiple simultaneous mobilisations while maintaining the highest standards of transport compliance and operational safety. Direct control of logistics also provides greater flexibility to respond to programme changes, emergency call-outs and evolving site requirements at short notice.
