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Borehole Engineering Services

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Abandonment varies from site to site, depending on the construction of the borehole, strata and aquifers penetrated and subsequent land use. Site owners should ensure that the redundant borehole is made safe and structurally stable and also backfilled to prevent groundwater pollution.When decommissioning it is very important to consider what the site will be used for afterwards. It is strongly recommended that you use the services of a professional well contractor who has a good local knowledge and well abandonment procedures;
BoreSaver is the approved range of well and borehole cleaning products for water supplies suffering from build-up of iron bacteria, iron oxide, manganese oxide, calcium carbonate and other minerals. Well Cleaning – Borehole Cleaning – Well Rehabilitation BoreSaver completely removes deposits and residues that build up and cause blockages in wells, pipes, pumps, and other equipment;
Having access to quality survey data in real time is critical to meeting this challenge. Without it you run the risk of not knowing where the hole is going, or worse missing a target completely and thus wasting the cost of drilling the hole. Accurate and reliable survey data gives you the confidence to make informed decision on drill hole progress against the plan in real-time;
Air lift development is often used as a clean-up technique following a separate development procedure on large diameter boreholes. Some development procedures leave a residue of loosened material at the bottom of the borehole which needs to be removed.Air lift development using eductor methods vacuums up all deposits from the base of the borehole leaving it immaculate. The eductor method creates a rapid uphole velocity in the riser pipe clearing all loose material efficiently which could not be achieved using direct flushing methods;
service 2
service 2
When a borehole has been drilled through massive bedrock formations and a little groundwater seepage is present but not enough to be useful as a water supply overpressurisation is an option to develop the yield of groundwater. The fact that water is seeping into the borehole indicates that groundwater is present in the strata but it cannot move freely due to fractures and fissures being very narrow and tight with some natural sediment slowing the flow of groundwater;
Deep cleaning process blasts impulses of high-pressure water which penetrate screens, filter packs and far into the borehole wall effecting a deep clean removing built up blockages.Hard mineral encrustation, silt and biofilm are efficiently removed once again allowing groundwater to flow freely to the submersible pump often without the need for chemicals;