SOCOTEC works with TOR Drilling Limited, offering a wide range of exploratory hole techniques to suit site ground conditions, access complications and the specific project technical requirements. These include sampling for geotechnical and geoenvironmental laboratory testing, borehole field testing, and installation of monitoring instrumentation.

TOR Drilling Limited has been involved in site investigation works since 1985. We are committed to supplying highly trained and well-motivated crews to carry out Geotechnical, Environmental, Remediation and all types of drilling services.

Our aim is to represent our clients to the highest standard possible and in turn ensure that our client's reputation is safe in our hands. As a versatile company, we have a wide range of experience in our field of work, and with the variety of mini tracked machines we have available, we’re able to cover a wide range of drilling techniques.

We can take a leading role in organising and implementing all types of contracts, covering sites across the whole of the UK along with various sites across Europe.

What is drilling and sampling? 

Boreholes allow exploration of the ground to reveal the sequence of strata, take samples for inspection and laboratory testing, carry out in-hole testing, and installation of monitoring devices.

Various methods and types of equipment are available to suit the depth of investigation, ground conditions, types of sampling and testing. Plus a range of different drilling rigs and techniques can be supplied to deal with operational limitations due to access, confined space, working on slopes, over-water, emission controls. Our near-shore or overwater marine ground investigation services can work in water depths up to approximately 25m subject to site conditions.

How can SOCOTEC support you with drilling and sampling? 

Our trained and experienced field operatives hold recognised working certifications including: CSCS, BDA, NVQ, First Aid and SSSTS.  

Field data is captured using our in-house data management mobile application, SILAS. This ensures that all the necessary information from boring, drilling and trial pitting, for example, is recorded by the operator in the app, which includes various data validations during entry. The data is sent to our main server database and can be accessed from any network device via our Intranet web service. The system works in an AGS4 environment so that the data can be readily exchanged with other users.

Dando

Drilling and Sampling

Cable percussion boring

  • depths of 30m or more at up to 300mm diameter in superficial deposits and some weathered rocks
  • restricted access and confined space options

Dando 175, 2000, 2500, 3000 & 4000

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  • depths of 30m or more at up to 300mm diameter in superficial deposits and some weathered rocks
  • restricted access and confined space options

Dando 175, 2000, 2500, 3000 & 4000

comacchio

Drilling and Sampling

Rotary drilling

Rotary drilling techniques are used for obtaining soil and rock samples from shallow or deep boreholes.

SOCOTEC and TOR Drilling have a number of multifunction rigs to suit almost any environmental/geotechnical site that can utilise the following techniques:

  • dynamic sampling
  • open-hole drilling
  • conventional and wireline core drilling
  • vertical and inclined holes
  • drilling parameters recording
  • duplex casing systems
  • symmetrix casing systems
  • hollow / solid stem augering
  • rock coring (various sizes)

 

Beretta T51, Beretta T41, Beretta T41 (Tier 4), Casagrande C6, Comacchio Geo (205, 300, 305 & 405). Dando 250 & Geotech 6, Fraste SL.G & Fraste PL.G 

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Rotary drilling techniques are used for obtaining soil and rock samples from shallow or deep boreholes.

SOCOTEC and TOR Drilling have a number of multifunction rigs to suit almost any environmental/geotechnical site that can utilise the following techniques:

  • dynamic sampling
  • open-hole drilling
  • conventional and wireline core drilling
  • vertical and inclined holes
  • drilling parameters recording
  • duplex casing systems
  • symmetrix casing systems
  • hollow / solid stem augering
  • rock coring (various sizes)

 

Beretta T51, Beretta T41, Beretta T41 (Tier 4), Casagrande C6, Comacchio Geo (205, 300, 305 & 405). Dando 250 & Geotech 6, Fraste SL.G & Fraste PL.G 

Dynamic sampling and probing

Drilling and Sampling

Dynamic sampling and probing

Dynamic sampling systems are designed for taking disturbed soil samples from up to 10m. The rigs are able to make geotechnical tests and are suitable for both environmental and geotechnical site investigation at depths in excess of 100m at up to 200mm diameter in rock and overconsolidated deposits. 

SOCOTEC's dynamic sampling services include: 

  • sampling and probing (DPH and DPSH-B) to 5m or more in superficial deposits
  • SPT and undisturbed sampling
  • slope working
  • Track Mounted Sampling Rigs (DPH & DPSH-B)

 

Below is the dynamic sampling equipment offered by TOR Drilling:

Dynamic Sampler, Handheld Sampling,110v Electric Dynamic Sampler, Slope Z

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Dynamic sampling systems are designed for taking disturbed soil samples from up to 10m. The rigs are able to make geotechnical tests and are suitable for both environmental and geotechnical site investigation at depths in excess of 100m at up to 200mm diameter in rock and overconsolidated deposits. 

SOCOTEC's dynamic sampling services include: 

  • sampling and probing (DPH and DPSH-B) to 5m or more in superficial deposits
  • SPT and undisturbed sampling
  • slope working
  • Track Mounted Sampling Rigs (DPH & DPSH-B)

 

Below is the dynamic sampling equipment offered by TOR Drilling:

Dynamic Sampler, Handheld Sampling,110v Electric Dynamic Sampler, Slope Z

Trial pitting and trenching

Drilling and Sampling

Trial pitting and trenching

  • hand and machine excavation up to 4m
  • location of underground services and existing foundations
  • soakaway testing supported pits allowing man-entry for detailed logging, undisturbed sampling and testing

Wheel & Track mounted backhoe & 360 Machine Options

 
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  • hand and machine excavation up to 4m
  • location of underground services and existing foundations
  • soakaway testing supported pits allowing man-entry for detailed logging, undisturbed sampling and testing

Wheel & Track mounted backhoe & 360 Machine Options

 
Concrete coring

Drilling and Sampling

Concrete and road coring

  • portable drilling equipment
  • coring up to 1m depth at up to 250mm diameter

Find out more about the Wildcat unit, the DD250e is an electric tower rig and the Hand Coring Unit owned by TOR Drilling. 

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  • portable drilling equipment
  • coring up to 1m depth at up to 250mm diameter

Find out more about the Wildcat unit, the DD250e is an electric tower rig and the Hand Coring Unit owned by TOR Drilling. 

Environmental drilling

Drilling and Sampling

Sampling

  • small and large disturbed
  • undisturbed UT100 and piston tube
  • undisturbed block
  • geoenvironmental
  • peat probing/sampling (Russian corer)
  • groundwater (boreholes and installations)
  • soft-sediments (lake-bed deposits, etc)
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  • small and large disturbed
  • undisturbed UT100 and piston tube
  • undisturbed block
  • geoenvironmental
  • peat probing/sampling (Russian corer)
  • groundwater (boreholes and installations)
  • soft-sediments (lake-bed deposits, etc)
Wireline

Drilling and Sampling

Testing

  • SPT (standard penetration test)
  • dynamic probing (DPH and DPSH-B)
  • permeability (variable head, constant head, packer, infiltration, etc)
  • pressuremeter
  • wireline geologging (televiewer etc)
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  • SPT (standard penetration test)
  • dynamic probing (DPH and DPSH-B)
  • permeability (variable head, constant head, packer, infiltration, etc)
  • pressuremeter
  • wireline geologging (televiewer etc)

Drilling and Sampling

Monitoring installations

  • standpipe and piezometer
  • vibrating wire piezometer (VWP)
  • submersible data logger ('diver')
  • inclinometer
  • extensometer

 

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  • standpipe and piezometer
  • vibrating wire piezometer (VWP)
  • submersible data logger ('diver')
  • inclinometer
  • extensometer

 

In-situ bioremediation

Bioremediation is a treatment that uses naturally occurring organisms to break down hazardous substances into less toxic or non-toxic substances. TOR Drilling has been involved with Ii- situ bioremediation projects for the last 8 years, working closely with remediation companies to offer the perfect solution for deploying a range of different products into the ground.

As in-situ remediation designs vary greatly with each site TOR Drilling has developed some bespoke equipment that can be used with commercially available equipment to enable us to offer our clients the most cost-effective solution for each individual site. Find out more about our equipment: 

  • Direct Push – Bio Unit, Bio Tec, Terrier Bio
  • ISCO Stainless Steel Trailer
  • Mobile Remediation Plant
  • Pre Injection Caps/Packer Injections

Sonic drilling

TOR Drilling offers the following sonic drilling services:

  • Compact sonic
  • Large rotary sonic

Vacuum excavation

Vacuum excavation is a system that allows material after loosening to be sucked up into a collection tank. As the hole slit trench is created, the soil is generally broken up for vacuum by an air spade which works very well in none cohesive materials or by hydropower. In cohesive materials, the system can expose existing pipes and cables without the risk of any damage. After removal, the spoil is simply tipped into a skip or area provided. 

Geothermal drilling

It is possible to use a Ground Source heat pump to harness environmentally friendly - and more importantly - renewable energy that is stored in the ground. By having a GSHP system you are able to provide an energy-efficient heating system suitable for many building types.


How do they work?

A borehole will be drilled typically to at least 100m but varies on each project specification. Once the borehole has been drilled to the required depth a 32 or 40mm loop is lowered into the borehole and sealed with a geothermal grout. The loop is then connected via a manifold to the Heat pump, water with antifreeze is then circulated by the pump through the loop absorbing energy from the ground. The energy that has been absorbed by the loop is then converted into heat by the pump.

TOR Drilling works closely with manufacturers of heat pumps and geothermal loops and has a vast range of equipment to drill open or closed borehole loops dependant on each individual specification. Contact us today if you have any questions or would like to discuss a project. 

Water wells

TOR Drilling has been installing water wells all over England for several years now for a wide range of clients, from major industrial sites to farms and even boreholes for domestic supplies. With water prices rising constantly, now might be the time to consider having your own water supply. 

Our crews are highly trained and highly motivated to install to a high specification on any site from 10-150m.

TOR Drilling will use various drilling techniques dependant on your requirements and soil conditions to provide a cost-effective solution. The borehole will be drilled to the required depth and a borehole liner will be installed with special care taken to place an appropriate filter and seal around the casing to ensure your borehole is productive and long-lasting.

We have extensive knowledge of UK ground conditions and we offer a free no-obligation quote to have your own water supply.

Overwater work

TOR Drilling has now completed a number of projects while working over water using a wide range of our rigs and pontoon systems.

We have worked over water with our window sampler, Comacchio rigs and even our Sonic rig has been used to successfully sample over 40m of sediment. 

We are able to mount various pieces of equipment on our pontoon system including our window sampler or hand coring equipment. The pontoon can be fitted with an outboard motor to move between sample locations.

Want to find out more about SOCOTEC's Site Investigation services? Contact us

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