How can I remove the pump from the well if it is stuck: advice from the professionals, and folk wisdom

Submersible pumps used for water supply from drilled on land wells need periodic rise for preventive maintenance and minor repairs. The rise of pumping equipment associated with the replacement of the expired unit to a more powerful device.

However, the operation is not always retrieve the submersible pump from the well pipe passes. Sometimes the pump gets jammed in the pipe tightly. The owners of the well, for the first time faced with such a problem, I don't know how to get the pump out of the bore as not to tear the cable.





The causes of jamming of the pump body bore

Basically, all the reasons that lead to this unpleasant problem due to human factors. When during the installation of the pump violated the technical requirements the mounting of the pumping equipment, and does not pay attention to their workmanship, it is difficult to expect a favorable outcome of the case during removal of the pump.

1. Sagging electrical cableFor this reason is the largest number of cases of jamming of the equipment. This occurs by biting sagging electric cable in the loop, which is tightened around the body of the pump.

In this situation, you should not with all his strength to pull the product as this will lead to. But what you pull, can end. Then it will be difficult to do something on their own.

Specialists, not just lifting the pumps from the wells, suggest in this case to try to shove the device back. Repeating the attempt, try to feel the slack and at this point will continue to slowly rise.

Anyway, "better to prevent a disease than to treat". To his practice do not face the slack in the cable, it is necessary to fasten it with special clamps to the pipe or hose at the point of installation of the system. And to the cable the electrical cable to attach is not recommended, as when the tension of the clamps can fall off.

Lifting the pump, you also need to make sure that the cable and the hose coming out at the same time on the surface. It is impossible to prevent slack or rope or cable or hose.

 

2. Silting of the well by long periods of inactivityand often Meet in practice cases when long easy wells leads to its severe siltation. The resulting layer of sludge arises an insurmountable obstacle in the way of the pump. When stuck the pump in the well for this reason, experts recommend starting his swing, during which the device is raised, then lowered.

What is the result? Water can gradually start to erode the muddy sediment. In the end, perhaps the road to the top to escape, which will allow you to retrieve the pump out. Most importantly, do not rush things and do not show excessive activity to avoid a blind jamming of the pump.

There is a non-standard way of dealing with saleplace well. Should be involved in the solution of the problem of firefighters who use sleeves, down in the well, will be able to wash away deposits of silt. The vacant pump will go smoothly upstairs.

To prevent sedimentation of the borehole, it is necessary preventative cleaning, the frequency of which should be once in three years.

 

3. Solid-state barrier is a complex barrierTo the movement of pump can meet a solid obstacle, which will play the role of wedge. As such barriers can act:

• the dent in the pipe arising from the ground;
• the tapered end of the pipe;
• burrs from the sloppy weld;
• marriage in the Assembly of the sedimentary column, in which is threaded pipe connections, weld them, allowing the axial displacement.

 

Meeting with such an obstacle is accompanied by a characteristic solid thud, while the movement of the pump down to pass.

Is it possible and how to pull the pump from the well in this situation? Cases are known, when the rotation of the pump using the pipe around its axis helps to go around getting in the way of obstacle. However, the absolute probability of the release stroke movement of the device cannot be guaranteed. This can be a one-time success. But worth a try, suddenly in a particular situation the problem in this way will be solved.

Solid obstacle can become accidentally fallen into the well tool, a detail of the fastener or other foreign object. The stopping of the pump occurs during rise sharply and unexpectedly. This occurs at the time of entering into the gap between the wall of the well and pump hard object, which leads to jamming. The move down is free, and the top intervals of the wedge vary depending on the sample cable. To slip the subject can not, too narrow a gap. So experts suggest to stop, call the experts. The equipment they have available is capable of removing interference from the well.

 

4. The effect is the opposite of sedimentation, This effect is observed in wells completed in limestone soils. As a result of long exploitation of the sedimentary layer is formed over the location of the pump, turning into a "tube". To stop this process and clean the bore every three years.

 

Tips of craftsmen

• Stuck the pump in the well with a broken the result of the effort rope to pull the metal fixture with the pins, popularly referred to as "cat". Hook directly to the pump is considered a big success. Most likely you can grab the end of the cable or hose, trying to get the equipment upstairs.
• For pushing down the stuck pump some inventors manage to use a crowbar, tied up to the rope. Importantly, to tightly bind the crowbar to throwing in the well, not to leave him there. Of course you can act if the old pump is not to be used, because the probability of damage is very high. Might work on a small depth of the pump.
• To the meter pipe, weld the "ear". Having passed through the pipe, wire, hose and cable, drop the tube on a separate rope into the well. Under the pressure of its weight, the pump can slip down and hang freely on the cable. Next, simultaneously pull the pipe and pump from the well. Since the weight can reach 50 kg, then the work should be carried out with the assistant.
• If the suspension pump is still not interrupted when trying to power the extraction equipment from the well, you can fix it in the tense and intermittently tapping on it. In the event of slack rope, a second stretching and tapping again. These actions can be performed within a few days. Method for particularly patient, but he in some cases crowned with success.

 

What drives people to the invention of different ways to solve problems with a stuck pump? The answer is simple: the high cost of services of firms specializing in this area. In some cases, their value comes to the price of installation of new wells. Therefore, in order to save the budget, it is necessary to do everything possible to prevent the jamming of the pump.

 

Valuable advice from professionals

1. Do not skimp on the quality of the rope used for hanging a submersible pump. It is advisable to purchase the cable and mounting it in stainless steel.

2. Try not to use the inside of the well pieces of hoses and cables, spliced together. After all, when lifting these weaknesses may differ, the pieces are bent and will jam the lifting device.

3. It is advisable to buy pumps minimum diameter to increase the size of the gap between the borehole walls and the casing of the equipment. It is clear that the pumps having a small thickness, more expensive than their more voluminous counterparts. However, if you compare the price difference of pumping equipment with the cost of a new well, the purchase of more subtle apparatus becomes not so disadvantageous. The replacement pump in the well will reduce the likelihood of re-jamming device.

4. Set in the well headroom, manufactured in factory conditions and closely adjacent to the walls of the borehole pipe. This detail will not allow the ingress of wellbore debris and various random items.

And don't forget to carry out preventive cleaning of the well.published

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Source: hvosty.ru/kak-dostat-nasos-iz-skvazhiny-esli-on-zastryal-sovety-professionalov-i-narodnaya-mudrost/