Geoteknik

Posted On September 4, 2023

Hydrogeological Investigation​

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Geoteknik >> Layanan Perusahaan >> Investigasi Hidrogeologi

Hydrogeological Mapping The process of gathering, evaluating, and mapping information regarding the
characteristics of groundwater, groundwater flows, and the potential of aquifers in
an area is known as hydrogeological mapping. Understanding aquifer networks,
subsurface water circulation, and the presence of water sources in a region are the
primary goals of hydrogeological mapping.
Well Construction In hydrogeology, well construction is the physical process of
digging water wells to access and use subsurface water sources.
Water wells are used to obtain water from aquifers beneath the
earth. Drilling the wellbore, lining and cementing the well walls,
and installing the appropriate well equipment are all processes
in the well building process.
Pumping Test This technique entails using a pump to draw water from the well
at a predetermined flow rate while keeping an eye on the
aquifer's reaction. Important hydrogeological characteristics
including aquifer transmissivity, aquifer leakage, aquifer
consolidation, and aquifer storage capacity are measured as part
of the pumping test.
HYDROGEOLOGICAL INVESTIGATION

Hydrogeological Survey is one of our specialties, which includes underground water exploration drilling, deep well construction, pumping tests, testing of physical properties of water, testing of water quality, and clean water facility equipment.

Hydrogeology is concerned with understanding and applying geological and hydrological concepts to drill, develop, and manage water wells in the context of well construction. In the context of hydrogeology, the following is an explanation of well construction:

  1. Water Source Mapping: Prior to the start of construction, a hydrogeological research was conducted to map probable water sources. Geological analysis, groundwater evaluation, and hydrological monitoring are used to determine aquifer layers that are likely to hold enough water.

  2. Well Design: A suitable well design is made based on the mapping of water sources. In order to design a well, the desired water demand must be taken into account when choosing the well's location, depth, and diameter.

  3. Well Drilling: The drilling procedure begins once the well design is authorized. Drilling is done with specialized equipment capable of penetrating soil or rock formations in order to reach the desired aquifer. Monitoring and soil samples are carried out during drilling to better understand the geological and hydrological conditions surrounding the well.

  4. Well Lining: Once the well has reached the appropriate depth, it is lined with well tubing that is resistant to water pressure and corrosion. This coating protects the well from contamination and helps to keep the well structurally sound.

  5. Installation of a Filter and Gravel Pack System: A filter and gravel pack system is installed around the well liner to keep sand and other materials out of the well. This technology allows water to enter the well while keeping the water quality high.

  6. Groundwater Testing and Production Measurement: After the well is completed, groundwater tests are performed to determine the aquifer's properties and the well's water capacity. Water production is also measured to assess the amount of water that can be produced by the well.

  7. Well Monitoring: Once a well is operational, it is subjected to frequent monitoring to ensure good water quality and well performance. This include collecting water samples, evaluating water levels, observing water output, and analyzing water quality to ensure that the water produced is safe and fulfills specifications.

The use of hydrogeological concepts in well building is critical for ensuring efficient water resource management, maintaining acceptable water quality, and meeting the essential water needs. Hydrogeologists and geotechnical engineers are critical in evaluating aquifer conditions, selecting appropriate building methods, and assuring water well long-term success.

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