Monitoring well drilling following an oil spill in North Devon

Monitoring well installed to gage extent of contamination to water supply

Geologic were contacted by an environmental consultancy and asked to install a monitoring well on a site in North Devon. After a site visit, it was established that 3 monitoring wells were required following a domestic heating oil spill which had contaminated a domestic water supply borehole. The extent of the contamination was unknown, so the monitoring wells were required to establish the direction and extent of the plume.

Monitoring well drilling equipment

The site was remote with very poor access ruling out the possibility of a large lorry accessing the area. A site visit established the access restrictions and a small tracked rig was mobilised to the site, which is transported on a trailer behind one of our landrovers. This small rig is capable of drilling to around 60M depending on geology.Monitoring Well Drilling

Installing the drilling rig

The rig installed the monitoring wells which were to depths between 8M and 12M. Each monitoring well was installed using 50mm diameter install, glass media pack, grouted and terminated using lockable daisy covers.

An alternate water supply was secured

A 40M deep water borehole was then installed to provide a new water supply to the property which is a holiday let. The business nature of the property required the works to be undertaken quickly and efficiently to fit in around vacant periods.

We are experienced and accredited monitoring well drillers

Geologic have undertaken numerous contracts for this environmental consultancy on various red sites, so we understand the importance of installing monitoring wells and water boreholes to provide the engineers with live data regarding the nature and seriousness of contaminations.

Tailoring the drilling equipment to the job

The tracked rig shown enables Geologic to drill on sites that lorry mounted or heavier and larger rigs are unable to access. It is also capable of undertaking coring works on site investigation contracts. For further details or to discuss your environmental drilling requirements, please contact us.

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