How Drilling Methods Differs According To Surface Type

1. How Drilling Methods Differ According to Different Surfaces

2. Drilling is a process of creating the holes in the surface of the land. These holes are made with drilling rigs. A drilling rig is a huge equipment and are powerful enough to dig the water, gas and oil wells.

3. Drilling Rig

4. Drilling rigs and Methods ●Drilling rigs have to sample the surface properties before starting its drilling projects, such as the mineral deposits, soil properties, test rock and underground water properties. ●These rigs are also used to install the pipes and other material for the tunnels, holes and wells. ●There are different types of drilling rigs having their own unique properties and functions, each of the drilling rig work differently for the different types of lands and surfaces.

5. 1. Auger Drilling

6. This type of drilling is mostly done on the harder grounds. It is also used to dig the mines. This is not a suitable type for the soft or weak rocks. These are an affordable and time saving type of drilling. In this drilling, the helical screw works which enters the ground while rotating. Then the land is lifted up by the blade of the screw.

7. 2. Air Core Drilling

8. This method is used for the unconsolidated and regolith ground. It is difficult to penetrate the fresh and soft rock through this method. This drill has the three blade system and made of steel and tungsten and it cuts through the suitable ground. The land cut by the drill is moved by the compressed air in the injection. By this the cuttings blow out to the surface by the tube and the drill rod. This meter can reach up to 300 meters deep. This method is expensive and takes a lot of time.

9. 3. RAB (Percussion Rotary Air Blast Drilling)

10. RAB drilling is mostly used in the exploration of the minerals, water boring, and hole drilling in mines. It is also used in the field of engineering. Through this method the land cut is blown out of the surface and collected.

11. 4. Diamond Core Drilling

12. Diamond core drilling method is a little slow as it is used in drilling mostly the hard surfaces. These drills are also known as the multiple combination rigs as they work with the reverse circulation as well as the diamond drilling role.

13. 5. Sonic Vibratory Drilling

14. A Sonic vibratory drilling rig works by sending out the high frequency from the string to the drill bit. The frequency is controlled by the worker according to the type of the land. This frequency rate is between 50-120 hertz.

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