Wellntel works out of the box on most modern borehole wells, after a period of data collection and calibration.
But there are exceptions: we call them complex or “out-of-bounds” applications, and discuss them in detail on the Wellntel Technical Overview and Manual. Here are the highlights.
Every well is different. Some are deep, some are shallow. Some are old, some are new. Some are moderately obstructed, some are clear as day. It’s always a good idea to see if you can find your Well Construction Report to know what you’re up against. If you’re not sure what you have or can’t find the report, a Wellntel technician will be happy to assist as possible during regular business hours 9am – 5pm Central. Feel free to call us at 844-935-5426 or email firstname.lastname@example.org.
If there is a Wellntel Dealer in your area, they’d be happy to assist as well. Find a dealer here.
|Condition||Background||Possible Adaptations or Solutions|
|Wells with limited space at the wellhead||In situations where a wellcap is constrained by physical objects like covers, boxes, or decks at the wellhead, there may not be room for Wellntel.||The Wellntel Sensor can be seperated into two components to create a custom package where the smaller lower unit that contains the sensing systems hangs inside the well casing under the cap and is connected by a wire harness to the upper unit to be placed elsewhere.|
|Sealed wells or wells with insufficient airflow at the cap||Wellntel will not work reliably, and may break or be damaged, on a well with insufficient venting to allow for the entry or escape of air into the well during pumping events. Installing a Wellntel Sensor on a well with insufficient venting may damage the Sensor, and will void the warranty.||To enable venting where turtle caps are used, replace a cap lacking vents with one that includes vents. To enable venting on a well seal, Wellntel recommends the addition of a common T-fitting and sanitary air vent below the Wellntel sensor system.|
|Dry Caverns||Wellntel will work out-of-the-box on most wells with casing pipes or wells with casing pipe giving up to fractured rock, as long as the rock walls provide adequate continuity of signal. In rare cases, wells are drilled through large open-air caverns or other non-contiguous geology such as caverns and caves and sounding tubes are not installed, or caverns were exposed by groundwater depletion.||Where these features are present, it is best to mount Wellntel on an access port fitted to a sounding tube. In this case, the sounding tube contains the signal and enables successful readings. Sounding tubes are not always a standard feature included in well construction, but are more common in areas with these types of geologic formations. Wellntel recommends a sounding tube be installed by a qualified well servicer as a matter of practice in regions where the geology demands.|
|Cascading or Falling Water||Wellntel can compensate for most cascading water conditions as long as there is not so much noise from falling water as to attenuate Wellntel’s maximum signal strength. Then, it’s like shouting into a downpour.||Cascading water in a well is generally viewed as an unhealthy condition and should be corrected by a Well Service professional by adding a sleave to stop the flow. However, where cascading is present, it will help to mount Wellntel on an access port fitted to a sounding tube.|
|Sounding Tubes||Wellntel can be configured to work through common sounding tubes, and indeed, they are usually a solution to other problem. But sounding tubes themselves may require special calibrations and hardware adaptations.||It is important to make sure that sounding tubes are well vented. A factory technician may also suggest alternative sensor placement, special sounding tube construction and signal programming.|
|Quiet Pumps||In cases where the pump is not in the well, is so deep in the well as to be unheard by Wellntel’s listening circuit Wellntel sensor may not be able to sense when a pump if running.||If pump-triggered readings are desired, Wellntel should be configured to use either the a Pump Performance Kit – included with every Wellntel Kit.|
|Variable Frequency Driven Pumps||Sometimes the presence of a Variable Frequency Drive (VFD) can create noise conditions in the wall that interfere with Wellntel’s signal. In some rare cases, a VFD can create a pattern of mixed results.||To address these special conditions, a technician may recommend higher or lower signal sensitivity, special signal frequencies or other techniques to filter for accurate readings. As the fleet expands, Wellntel engineers are applying algorithmic patches to address these mixed results situations.|
|Artesian wells with spools||Wellntel recommends against installing on artesian wells with sealing spools. The physical separation between the unpressurized area above the spool and the pressurized area below the spool prevent the signal from getting to where it needs to go.||No solution at this time.|
|A closed pit-less adapter||Pitless adapters like those found in large capacity wells present a large obstruction to the Wellntel signal, and may cause incorrect readings.||A factory technician may suggest alternative sensor placement, special sounding tube construction and signal programming.|
|Long telemetry distances or complex telemetry challenges||Places where the Sensor and Gateway are further than about ½ mile apart or where there are large obstructions between them, may suffer poor radio communication. The most difficult obstructions include large hills, stucco or metal clad construction or think vegetation.||Optional cable extensions to move or lift antennae can help to overcome interference from obstructions. Wellntel also provides a hardened outdoor Gateway package. A customer can also choose a cellular model plan or to use Wellntel’s remote retrieval software Sensorbuddy.|