RG are please to announce that we have strengthened links with our preferred drilling partner, DANDO Drilling International Ltd, which will now represent us in various countries world-wide as non-exclusive agents. 

Dando have over one hundred and forty years of experience in the design, manufacture and sales of drilling rigs and ancillary equipment.

Drawing on this vast body of experience and expertise, Dando offer an unmatched range of drilling rigs for waterwells, geotechnical investigation, mineral exploration, seismic investigation, environmental monitoring and geothermal drilling. Dando also supplies a wide range of drilling equipment and consumables.

As a market leader, Dando's team of designers and engineers pride themselves on the provision of both standard and bespoke solutions for the drilling needs of any and every project. Strong is a word which sums up the Dando experience; the strength and reliability of the machines, the trading strength of the company and, most importantly, the strength of Dando's commitment to put their customers first.

For further information about Dando drilling rigs and equipment please contact Robertson Geologging or follow the link directly to the Dando website: 

www.dando.co.uk

Designed for QA of pile boreholes, this tool features 6 independent arms and can log boreholes up to 3m diameter. The RG 6-arm caliper probe operates in water or airfilled boreholes up to 100m in depth. The probe comes with extension arms with a choice of either roller or hardened tips. An optional lower centraliser is mechanically linked to the main caliper and opens simultaneously. The logging software displays cross-sections, a 3-d model of the borehole and calculates the required cement volume.

With a capacity of 3000m of 3/16" wireline, this is the largest electrically powered winch in our range. A powerful 4kVA motor provides a smoothly controllable line speed of up to 100m/min and a maximum pull of 1,350kgf. The winch features a driven level wind (with optional remote manual adjustment), electrical and hydraulic braking and an integral tension measuring device.

Click here for further details

We have recently introduced a new range of stackable slim open-hole tools for oil and gas applications. Currently available modules include density, gamma, neutron, induction, microresistivity and dipmeter. Tools are rated to 125degC and 12500psi. Click here for details.

The recent development of affordable slim-hole imaging probes has ensured these tools a place in many geotechnical investigations.

	Optical televiewer (OPTV) and acoustic televiewer(HRAT) logs provide high-resolution 360 degree oriented images of the borehole walls. Fractures, stratigraphy and 'break-outs' due to down-hole stresses are immediately visible and can be characterised with our comprehensive RG-DIP interpetation package. Two new papers on the site from our in-house expert, Dr Andy Siddans, describe the principles of the tools and RG-DIP software, based on recent case studies. Sample log files and a downloadable viewer are also included.
	OPTV (optical televiewer): more HRAT (acoustic televiewer): more