Human beings have engaged in the process of drilling holes for long period now. Initially, the methods used were basic and not very effective. However, as a result of technological advancements, deep hole drilling methods have advanced a lot. It is currently possible to reach great depths very fast and less costly. Drilling operations are also currently done on a much larger scale as before.
Well drilling is a process that people engage in for various reasons. Among the most important reasons is extraction of natural resources. People seek to extract ground water, petroleum, brine, and natural gas among others. Holes may at times be drilled to allow for injection of surface fluids into subsurface wells. Finally, researchers in need of studying subsurface formations usually drill holes to gain access to those depths. When the purpose of the drilling is to explore natural resources, then this process referred to by the term borehole drilling.
The main purpose of excavating holes initially was to extract water. The holes were dug in areas with shallow water tables and as such, the holes were only shallow and very wide. To prevent the holes from collapsing back in, the sides were lined with masonry or wooden walls. This reduced accidents and increased the life span of the wells.
Today there are two options to choose from when digging holes, that is, manual and mechanical options. Equipment used vary from simple and cheap to very complex and costly devices. Modern drilling techniques are very advanced and they make use of long drill shafts. These long drill shafts produce wells that are much deeper and narrower than those that are dug by hand.
It can sometimes be difficult to choose a drill bit because there are many of them in existence today. However, the process of choosing is made a little simpler by the fact that there are several holes that have been dug worldwide. These holes offer a basis for selecting drill bits if they are located nearby. It is also possible to change the bits in the middle of the job if it becomes necessary.
Roller cone and fixed cutter are the two kinds of drill bits that exist in the industry today. Fixed drill bits are made of no moving parts. As such, abrasion, scrapping, and shearing forces are relied upon to gouge through rock to make wells. Materials used to make these bits include natural diamond, hotpressed inserts, and polycrystalline diamond compact.
On the other hand, roller drill bit is composed of moving parts and drilling occurs as a result of movement applied against the rock. These kinds of bits are made from tungsten carbide inserts or milled tooth. Tungsten carbide inserts is used for harder formations while milled tooth is preferred for softer rocks formations.
The two kinds of drill bits come in a wide variety of models. Each model is intended for different drilling situations. This means that the manufacturing and inclusion of composites is done with this in mind. The level of efficiency can also be enhance by incorporating enhancements into the bits.
Well drilling is a process that people engage in for various reasons. Among the most important reasons is extraction of natural resources. People seek to extract ground water, petroleum, brine, and natural gas among others. Holes may at times be drilled to allow for injection of surface fluids into subsurface wells. Finally, researchers in need of studying subsurface formations usually drill holes to gain access to those depths. When the purpose of the drilling is to explore natural resources, then this process referred to by the term borehole drilling.
The main purpose of excavating holes initially was to extract water. The holes were dug in areas with shallow water tables and as such, the holes were only shallow and very wide. To prevent the holes from collapsing back in, the sides were lined with masonry or wooden walls. This reduced accidents and increased the life span of the wells.
Today there are two options to choose from when digging holes, that is, manual and mechanical options. Equipment used vary from simple and cheap to very complex and costly devices. Modern drilling techniques are very advanced and they make use of long drill shafts. These long drill shafts produce wells that are much deeper and narrower than those that are dug by hand.
It can sometimes be difficult to choose a drill bit because there are many of them in existence today. However, the process of choosing is made a little simpler by the fact that there are several holes that have been dug worldwide. These holes offer a basis for selecting drill bits if they are located nearby. It is also possible to change the bits in the middle of the job if it becomes necessary.
Roller cone and fixed cutter are the two kinds of drill bits that exist in the industry today. Fixed drill bits are made of no moving parts. As such, abrasion, scrapping, and shearing forces are relied upon to gouge through rock to make wells. Materials used to make these bits include natural diamond, hotpressed inserts, and polycrystalline diamond compact.
On the other hand, roller drill bit is composed of moving parts and drilling occurs as a result of movement applied against the rock. These kinds of bits are made from tungsten carbide inserts or milled tooth. Tungsten carbide inserts is used for harder formations while milled tooth is preferred for softer rocks formations.
The two kinds of drill bits come in a wide variety of models. Each model is intended for different drilling situations. This means that the manufacturing and inclusion of composites is done with this in mind. The level of efficiency can also be enhance by incorporating enhancements into the bits.
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