Choosing a water well drilling rig requires careful consideration before you sign on the dotted line. This is not an impulsive decision. While price is the most common consideration for many people, there are many other aspects to consider - some of which may outweigh the impact of price. Consider service and support, training and quality; and don't forget the ever-important slurry pump.
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Whether you are buying new or used, a little research and education will help determine the right drill for your needs.
Proper training is vital to the success of your operation, so work with a manufacturer that provides an overview of safety and operation.
Operating a new piece of equipment presents a number of potential challenges. If operators have not worked on water well rigs before, or if they have but lack experience with the make or model, training is essential.
If you want a drill that performs well and lasts, don't cut corners on materials and components.
A higher-quality product may cost more, but when it performs better, causes fewer problems, and lasts longer, the few dollars are worth it. In addition, lower quality bits usually have little resale value compared to higher quality models.
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Look for a manufacturer that is open about the quality of materials they use and the assembly process. Look for heavy-duty welded steel frames and thick drill pipes to ensure the rig can withstand challenging conditions. Some manufacturers cut corners by using thinner steel. This can cause the frame to bend or twist while driving, or wear prematurely due to corrosion in hot, humid climates.
Having strong water well drill rods and other sturdy components can also make a huge difference. Some manufacturers cut costs by offering inferior water pipes instead of heavy-duty ASTM A500 specification drill pipes. While drill pipe can cost 10 times as much as water pipe, a broken pipe can mean a major setback if your rig goes 100 feet underground in a remote area and you hit hard soil or rock. The situation can take hours to resolve or mean moving to a new site and abandoning the pipe to correct it. Look for manufacturers that use at least 1 ¾ inch diameter drill pipe and connections made from heat-treated alloy steel. Lower quality drill bits often use ¾ or 1-inch water pipes for lower strength applications.
With quality components, the drilling operator can also limit access to the repair shop for replacement parts for water well rigs.
Mud Pump
The power of your system and the depth of your hole are directly related to the quality and power of your centrifugal pump.
The mud pump is an essential component of the water well drilling process. A powerful centrifugal pump is needed to flush the well of drill cuttings to obtain the proper drilling depth and high-quality borehole. Once your pump can no longer flush out the rock chips, you have reached your maximum depth capacity. The power and efficiency of the mud pump add to this depth and you can drill deeper compared to other methods.
Some people may choose to cut corners and buy a cheaper mud pump from another manufacturer, which may result in poor performance by buying a pump with specifications that don't fit their particular rig. Choosing an OEM mud pump means that it will provide the best performance when paired with a drilling rig.
A knowledgeable drill bit manufacturer will work with you to identify the ideal bit to meet your needs. Soil type, geographic location, and intended use will help determine which drill rig is best. Work with a company that will support your drilling mission at every step of the process. A true partnership will deliver the best results.
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In the mineral exploration drilling business, drilling rigs and equipment are critical to winning bids, completing contracts, and making money. Buying a new rig is a big decision, and many variables and factors can influence that decision. The biggest question one must answer is, "Will this rig make money? Or will it cost more than other options that can achieve the same goals for less?"
During the recent market downturn, many rigs have been sitting idle, which has made it easier to remove and install parts to keep the rig running actively. Most rigs were repairing the rigs they had to continue drilling without investing in new rigs and technology. Now that the market is growing slowly, many drilling contractors are deciding whether they should rebuild idle rigs or buy new ones.
Operations managers know which components (engines, valves, assemblies, etc.) need to be replaced, and they usually have a fairly accurate idea of the cost of rebuilding the iconic rigs in their fleet. If the rebuild cost is close to the cost of buying a new rig, they may choose to conduct a full audit to inspect each rig, evaluate the inventory of spare parts, and check maintenance records to get more accurate information to compare the cost of getting the rig ready to work again.
Drilling Rig
In addition to cost, other factors include whether the drilling company has the time, talent, and capacity to overhaul a rig that is idle and needs work. Overhauls can take three to four months and require facilities, tools, a labor pool of mechanics (who may already be working on other rigs to keep them running), and a contract for the knowledge to get the rig ready to drill.
As the market improves, everyone can expect longer lead times - whether you are rebuilding or buying new. When the market is down or very low, inventories increase, plants are not busy building new rigs, and lead times are reduced. As the market improves and contracts increase, inventories decrease, plants are busy building more rigs, and lead times tend to increase. Ultimately, lead times vary from drilling rig manufacturer to manufacturer.
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If you have an older fleet of rigs, buying a new one gives you the opportunity to drill more meters more efficiently. Newer rigs are typically more efficient, have more reliable uptime, and have more built-in safety features than older rigs. As mine safety requirements increase, newer rigs can meet new safety requirements that older rigs may not be rated and allow drilling contractors to be awarded contracts.
Rigs with rod handling equipment typically have fewer hand and back injuries to the crew, as well as less overall stress and strain. Mechanized rod handling also saves on labor costs and staffing, as no additional staff is required to manually handle the rod. In addition, as drilling service providers with newer equipment with rod handling capabilities are widely known in the marketplace, you may be invited to bid on more. When rod handling is first introduced, productivity suffers because machine rod handling is not as fast as manual rod handling. However, productivity can be maintained with newer technology.
Used rigs are usually more prone to breakdowns than new rigs, and downtime can affect hard-won drilling contracts. Costs can add up quickly due to lost productivity, rig uptime contractual obligations, and repair of the rig. A well-maintained drilling fleet in a good operating condition not only helps improve productivity but also prevents contractors from being fired from contracts or sites.
Contact us to discuss your requirements of crawler mounted dth drilling rig. Our experienced sales team can help you identify the options that best suit your needs.