Category Archives: Drilling Services

What Is Blast Hole Drilling?

Blast hole drilling is a process that uses explosive charges to break up rocks and earth. It’s also known as “blasting” or “explosive excavation.” Blast hole drilling is an economical way to excavate soft to medium-hard strata, such as sandstone, limestone, and other sedimentary rocks. Voids created by blast holes may be filled with concrete for roads and buildings. The technique can also be used for tunneling transportation systems (e.g., subways). Specific types of blast hole drilling include:

Rotary Blasthole Drilling: This system utilizes a drill rig with a rotary table and reaming head to drill the borehole through unconsolidated material at angles as high as 45 degrees. Rotary is the most widely used type of blast hole drilling, and it’s also sometimes known as “rotary coring.”

Bucket-Wheel Blasthole Drilling: This system utilizes a large rotating wheel with cutting teeth or buckets that removes material from the borehole to create a smooth wall. Bucket-wheel is the fastest and most productive type of rotary blast hole drilling, but it can only be used for excavating soft formations such as sandstone and limestone.

Hydraulic Blasthole Drilling: This system uses jetting nozzles at the bottom of a drill string to remove cuttings from the borehole under high pressure. Hydraulic drilling works best for drilling into hard, abrasive rocks such as granite.

Shot-Firing Blasthole Drilling: This system uses small explosive charges to break up the material surrounding the borehole. Shot-firing is typically used for blasting large volumes of rock quickly and at shallow angles. It’s often utilized for rapid excavation of big open-pit mines or tunnels where high ground pressures are expected (such as in soft soils). Blast hole drilling can be used to create both round and square holes; different sized shot holes are required to produce each shape. A typical rotary blast hole drill rig will use no smaller than 3/8″ diameter blast holes; other systems may use 1/2″ or larger charges.

The typical process used to drill blast holes involves three steps:

  1. Drilling – Rotary, Bucket-wheel, or Hydraulic Blasthole Drilling
  2. Explosives Charge Delivering (shot firing)
  3. Clearing (Backfilling) – in rotary, in order for the process to be repeated in the same borehole; in hydraulic and bucket wheel blasting machines, clearing is not required as they are able to clamp off the existing hole and make another cut without backfilling it up. The drilled boreholes are typically used to place explosives charges for either demolition or construction purposes.”

Blast Hole Drilling: What Is It And How Does It Work?

What is blast hole drilling? Blast hole drilling is a type of boring that creates tiny holes. Blasthole drillers use specialized equipment, and the process can take several hours or days depending on how large an area needs to be drilled. This method is proper when creating new buildings, relocating pipelines, or fixing water wells in remote locations. There are no noise complaints from nearby homes since it involves minimal vibrations compared with other machine bores.

Blast Hole Drilling: What Sets It Apart? Blast hole drilling machines work by grabbing soil particles at high power before forcing them through a rotating head where they are broken up into smaller pieces as they exit outwards, giving off minor dust emissions, which makes this method more environmentally friendly than other methods such as hammer drills or jackhammers. Blast hole drilling machines can also bore through hard rock and concrete, making them perfect for drilling new buildings, relocating pipelines, or fixing water wells in remote locations. There are no noise complaints from nearby homes since it involves minimal vibrations compared with other machine bores.

Blast Hole Drilling: How Does It Work? Blast Hole Drillers work by using a powerful rotating head where they blast soil particles at high power before breaking up the larger pieces as they exit outwards, giving off minor dust emissions, which makes this method more environmentally friendly than jackhammers or hammer drills. Blast hole drillers also use their technology to bore through hard rock and concrete, allowing them to be used on projects such as creating new, relocating pipelines, or creating new water wells.

Remember that Blast hole drilling is a process that involves the creation of a blast hole in an area to be mined. It can also refer to the excavation of rock employing explosives, or it may refer to any method for penetrating hard material with explosives.

Blast Hole Drilling is typically used in mining and quarrying when there are areas that need blasting. Blast Hole Drilling has been around since the late 1800s. Still, the methods have changed over time and continue to evolve as technology advances.

The first step in Blast Hole Drilling is determining what type of drill will best suit your needs based on factors such as depth, location, size, and type of ground being drilled into.

The second step would be preparing your drill site by setting up your Blast Hole Drilling equipment.

The third step would be placing and detonating the explosives safely that is efficient for Blast Hole Drilling. The fourth and final step of Blast Hole Drilling is clean-up after the drilling process has been completed, including all debris removal and restoring any mined land to its previous condition.

Blast Hole Drilling is a process that requires special attention to detail for the drilling team to be effective and efficient.

What Is Blast Hole Drilling?

Blast hole drilling is technique used for mining where a hole is drilled into the surface to be mined, the whole is packed with explosives and the explosives are detonated. The purpose of this technique is to create cracks in the rocks surrounding the hole in order to make it easier to perform mining activity and is one of the primary methods used in mining today.

This method is used when a mining company wants to explore the composition of a proposed mining area and determine the potential yield of a specific mineral that falls within that area. Creating blast holes is fundamental to the Blast hole drilling process and is used in both surface mining and underground mining operations. The main benefit of this technique is that it breaks up rocks and hard minerals to that they are made accessible and can be gathered and analyzed to determine their composition.

A blast hole digging operation consists of the following steps.

• Surveying the Location

Before blasting can begin the proposed site needs to be inspected so that decisions can be made about the size of the blast hole, the types of drills that will be used to drill the hole and so on. These will be based on the initial site survey which examines the nature of the ground, soil, rocks and minerals which will determine how blasting is carried out.

• Checking Rock Types and Formations

The raw data from the site survey is used by research geologists to plan effective and safe drilling patterns based on the soil, rocks and mineral formations identified.

• Produce Drilling Patterns

Once the research geologists have determined the safest, most efficient and effective way to proceed, the project manager will create a series of plans that set out the pattern of blast holes that will be required to break the ground up.

• Blasting Rocks

Once blast holes have been drilled to the required depth and in the most effective patterns, they are packed with a explosive charges, the strength of which will depend on the research conducted about the composition of the ground.

• Clean Up Process

Once the charges have been detonated the area is cleared of debris and loose material that has been thrown up by the explosive charges. The material is excavated and hauled away for analysis.

This process is often repeated multiple times until a desired mineral resource is located or the information required by mining engineers has been gathered.

Grade Control Drilling Company Kalgoorlie

Before your company gets well-established, you may have to source for some services from other established firms that operate in the niche of your interest. When you need admirable services of a quality grade control drilling company Kalgoorlie, you must emphasize some key points that will lead you to an ideal firm to work with. The drilling companies in this niche are many, and you must be careful not to fall merely for the first that comes your way.

It is always a good idea to research the ideal firms that you can work with. Depending on your quality requirements and expectations, you must get the firm that will serve you to your level best. When you research, you learn about the different abilities and potential of the firms which are in the operation. This should come way before you even engage anyone else consulting with them about ideal companies.

After you research on your own, maybe you can proceed and talk to several people and consult with them concerning quality drilling companies. Most people have their ideal company options, and when you inquire from them, they will give you the reasons why they prefer certain options to others combining this information with your research, you will make an educated decision concerning the perfect firm you will hire for the drilling needs.

You also have to go to the internet and look at the firms through their web pages. The companies have reviews on their sites, and these will enable you to know more about how they operate and the quality they offer their clients. If you find many positive reviews, it could be your sign that this is the firm for you. Always take time before rushing for a certain alternative since some people may be biased when in the real sense the firm they are despising is top quality.

The best grade control drilling company Kalgoorlie are given by the company which has standard equipment and tools. They must possess modern equipment that will make the project perfect. If they have the tools for the project, then they can handle it professionally and ensure they deliver the best results. Poor tools cannot bear standard results, and one should always be careful not to opt for a company that does not possess quality working equipment. They should also have highly-skilled professionals who will handle the tools right. Even if they possessed all the equipment but lack world-class professionals, then their projects will never end perfectly.