Water well drilling rig, is a drilling rig used to drill water wells. However, it is not only used for drilling water wells, but also for hydrogeological survey holes, industrial and agricultural water wells, drinking water wells and geothermal wells.
Secondly, the water well construction team is not only for drilling water wells, but also for drilling oil and gas wells, coal bed methane wells, geothermal wells, coal mine gas extraction wells, ventilation and discharge holes, and foundation engineering holes.
However, generally speaking, different working conditions, different construction environment, water well construction team experience, the configuration of the rig itself, the rig supporting equipment and drilling tools will be different, thus affecting the input cost, the difference in access to customer channels, so our common water well drilling rigs are still mainly for water well operations.
Water well drilling rigs usually have to complete the drilling of water wells, well tubing, washing and other operations, long-term practice of the more commonly used methods are two: impact method and rotary method. According to these two kinds of can be extended to the following categories:
It commonly known as wire rope impact drilling rigs. It consists of mast and lifting pulley mounted on the top, wire rope, impact mechanism, drilling tools, electric motor and so on. Using the self-weight of the drilling tool to fall freely in a certain height, impacting the rock at the bottom of the hole, making it broken, and then removing the rock debris to continue impacting, so as to drill the rock.
Disadvantages are that the impact efficiency is low, and need to replace the drilling tool when encountering hard rock and large pebble layer, and it is only suitable for depths of less than 250m.
In rotary type, the engine drives the rotary table through chain or gear, and the rotary table drives the drill pipe and column to rotate. On the one hand, the drill bit is pressurised by the weight of the drill collar or the hydraulic cylinder, and on the other hand, it rotates and grinds, so as to play the role of breaking rock drilling.
Because of the simple structure and low maintenance cost, a large proportion of the current market using this model.
However, it is more troublesome and time-consuming to connect the drilling rods, thus the efficiency is low, suitable for small-scale drilling projects with limited budgets and not caring about the construction period.
Top-driven water well drilling rigs are driven by electric motors or hydraulic engines (usually hydraulic engines because it is difficult to connect electricity for outdoor work) to drive the power rotary head, which is connected to the drilling tools and directly drives the drilling tools to rotate.
Top drive water well drilling rigs are more convenient than rotary drilling rigs for connecting drill pipes, and if they are equipped with pole unloaders and winches, they can further save labour and improve efficiency. In the long run, it can reduce a lot of drilling cost for the drilling company.
In addition, top drive drilling rigs can be used with mud pumps or air compressors. Especially with the combination of air compressor, driving the impactor and drill bit plus rotary rock crushing, the drilling efficiency is increased exponentially. And it can drill wells from 100-1000 metres deep, or even more than a thousand metres, it is not a problem.
Of course, its disadvantage is that compared with the first two drilling methods of drilling rigs, the cost is more expensive, complex maintenance. However, in terms of long-term investment, higher efficiency means faster return on investment; deeper support means a wider range of orders. Don’t worry about the complexity of maintenance, we have a professional team online 24 hours a day to solve your after-sales problems, there are operating manuals and operating videos to guide you to the maintenance points, and even we support the door-to-door guidance, one-on-one teaching. In front of bigger and faster return on investment, time is money, and everything else is not enough to fear.
Generally refers to drilling rigs that use two or more drilling methods. In fact, the above mentioned top drive type drilling rig with air compressor use, at the same time the use of rotary and impact drilling even if it is a kind of composite drilling rig.
The drilling rig has to provide a certain torque and speed for the drilling tools and maintain a certain drilling pressure. This not only requires stable performance and accurate parameters of the drilling rig, but also requires the performance of the drilling tools used to be matched with it, otherwise it is easy to wear out the drill bit too fast, the drilling tools break and other problems, and finally lead to increased drilling costs or significant losses of the drilling tools falling down the hole. This requires that when we buy water well drilling rigs to examine the quality of the drilling rig itself, as well as the accumulation of experience in the industry, the manufacturer of matching drilling tools to control whether accurate and strict.
What are the local usage habits? What are the geological conditions? What are the budgets and needs of the customers? What are the laws and regulations on emission standards? All these questions determine that buying a drilling rig is not buying a standard product, but a highly customised precision equipment. This requires a high level of customisation, experience, technology and service from a rig manufacturer.
D Miningwell, a drill rig manufacturer for 20 years, is an expert in programme planning for the drilling industry, serving more than 30 countries. We sell not only products, but also services. We think about more details for our customers and reduce their worries. Choosing us is choosing to save your mind!
