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Frequent Well Blockages and Their Solutions with Well Camera

Clogging of wells can cause a number of problems, including interruption of water supply and damage to pumps. Well cameras are an effective way to assess well condition and identify blockages. In this guide, we will review the most common types of well blockages, methods of identifying and solving them by well cameras;, and the steps of preparing the well before the camera.

Types of the most common well blockages

  1. Accumulation of organic matter
    • Symptoms: Reduced water flow, pump problems.
    • Causative agents: Algae, bacteria, Plant residues.
  2. Mineral deposits
    • Symptoms: Water pressure drop, pump cumbersome operation.
    • Causative agents: Calcium, magnesium and iron oxides.
  3. Sand and silt
    • Symptoms: Turbid water, Fast pump wear.
    • Causative agents: Sandy or silty soil layers.
  4. Collapse or cracking of a well wall
    • Symptoms: Sudden decrease in water flow, pump damage.
    • Causative agents: Structural damage over time, wrong installation.
  5. Foreign objects
    • Symptoms: Complete cessation of water flow, pump downtime.
    • Causative agents: Rubble, Tools, Entry of animals.

How to identify and solve them with well cameras?

  1. Accumulation of organic matter
    • Identification: With the help of a well camera, greenish or brownish deposits can be observed on the walls of the well.
    • Solution: Chemical cleaning or mechanical cleaning with a high-pressure jet of water.
  2. Mineral deposits
    • Identification: Camera footage whitish, It can be seen as a hard layer on the wall of the well.
    • Solution: Treatment with acid to dissolve deposits, then rinsing.
  3. Sand and silt
    • Identification: The camera shows the sandy or silty layers at the bottom of the well.
    • Solution: By pumping or installing special sand filters.
  4. Collapse or cracking of a well wall
    • Identification: Structural damage is clearly visible during camera shooting, cracks.
    • Solution: If necessary, installing a new liner pipe or strengthening the walls of the well.
  5. Foreign objects
    • Identification: The camera clearly shows the presence of foreign objects.
    • Solution: Using special tools to remove, For example, with pliers or magnets.

How to prepare the well before well camera?

  1. Preliminary water level measurement: Measure the water level in the well and record.
  2. Water quality monitoring: Conduct a water quality test, to identify potential contaminants.
  3. Pump removal: We remove the pump, so that the camera can move unhindered in the well.
  4. Pre-cleaning: Where possible, remove major dirt or debris from the well.
  5. Create a camera plan: Make a plan of the steps of the camera and any tools you may need.

Well camera methods and equipment

The effective implementation of well cameras requires special equipment and appropriate techniques. Below are the most important tools and methods.

Well Camera Devices

  1. Cameras
    • Standard well cameras: Cameras with basic image capture function, which are suitable for viewing the inside of the well.
    • Panoramic cameras: 360 degree image, allowing inspection of the entire inner surface of the well.
    • HD Cameras: High-resolution images are captured, which allow for a more detailed examination.
  2. Lighting devices
    • LED lamps: Strong, Long-lasting light sources, which ensure proper lighting in the well.
    • Directional lamps: They allow targeted illumination, They are especially useful in identifying cracks and damage.
  3. Cables and coils
    • Long cables: To connect the camera and surveillance equipment, They are available in different lengths according to the depth of the well.
    • Motorized windings: Automatically up- and unwind the cable, facilitating the camera process.
  4. Monitors and recording equipment
    • Live viewers: They provide instant feedback on what the camera sees.
    • Fastening devices: Record videos and images for later analysis.

Well camera methods

  1. Basic visual inspection
    • Process: The camera is slowly lowered into the well, while we get a live view of the inside of the well.
    • Target: Identify visible problems, like deposits, cracks or foreign objects.
  2. In-depth review
    • Process: The camera gradually moves downwards, stopping at different points of the well, where you take detailed shots.
    • Target: Document problem areas in detail, to make a more accurate diagnosis.
  3. Panoramic survey
    • Process: The panoramic camera rotates continuously to capture footage, giving a complete picture of the internal state of the well.
    • Target: Get a comprehensive picture of the structure and condition of the well, including hidden problems.
  4. Special tests
    • Process: With special tools, For example, examination with infrared cameras or ultrasonic equipment.
    • Target: Identify problems that aren't visible, For example, structural weaknesses behind walls.

Prevention and maintenance of well blockages

Regular maintenance and inspection should be carried out to prevent well blockages. The following steps can help maintain the long-term operability of your well.

  1. Regular cleaning
    • Mechanical cleaning: Periodic mechanical cleaning to remove deposits.
    • Chemical cleaning: Cleaning with chemicals, to prevent bacterial and mineral deposits.
  2. Water quality monitoring
    • Regular water tests: Regular monitoring of water quality will help identify impurities and the condition of the well.
    • Use of water filters: Installation of filters to reduce dirt and deposits.
  3. Well ventilation
    • Ventilation systems: Proper ventilation will help prevent the accumulation of organic matter and keep the internal environment of the well fresh.
  4. Regular camera coverage
    • Annual camera shooting: At least once a year, it is recommended to conduct a camera inspection of the well, to identify potential problems in time.
    • Camera on demand: If any abnormalities are detected (pl. decreased water flow, turbid water), Perform the camera inspection immediately.

Summation

Well cameras are an effective tool for assessing the internal condition of a well and identifying blockages. With proper preparation and the use of the right methods, we can ensure the long-term operation of the well and preserve the quality of the water. Regular maintenance and inspection are key to preventing problems and avoiding costly repairs.

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