How to Drill?

Drilling 4 main principles

1-) Digging process: It may be necessary to use different equipment during the digging process, these tools are used in the rotary drilling method and the digging tools that are digging around their axis, crushers used due to their sharp mouths during the drilling, both the impact and the digging by turning around their own axis. These are various types of excavations and sounding arrays that do not excavate directly but enable excavating materials to perform their duties.

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2-) Unloading process: It is the stage where the crushers break and the pieces formed during the drilling are taken out of the probe. Unloading and cleaning also takes place by applying different processes. The sample buyers take the materials suitable for the purpose of the work done in some probes by cutting along the progress. Mechanical cleaners, on the other hand, are tools that are used for lowering a set of mechanical tools and emptying the well and acting as a bucket. Liquid cleaners, on the other hand, clean the well by pressing drilling mud and water into the well, bringing the formation crumbs accumulated inside the surface and using the compressed air, the well is emptied and cleaned with the help of compressors.

4-) Power transfer process: This system, which consists of an engine, is responsible for providing all kinds of movement in drilling.

Classification of Drilling

In order for the drilling to be made easily and practically, classification and many features must be determined.

Classification of drilling

1-) Classification according to the depth of drilling

Shallow probes: <1000 meters of mine and water drillings
Deep soundings: natural gas and oil between 1000 and 4000 meters
Very deep soundings: 4000 meters to 6000 meters and for natural gas production
Ultra deep soundings: These are soundings made at> 6000 meters and made for scientific purposes.

2-) Classification according to hole diameter

Narrow diameter drills <6 inch
Large diameter borings Drills between 6 and 24 inches
Very large boreholes are> 24 inch boreholes.

Drilling in the ground
Soundings made by creating a gallery and tunnel system
Drilling in shallow and open waters

4-) Classification according to its aims is divided into two among these types of drilling.

a-According to the purpose of construction, the drillings are performed as auxiliary drilling, exploration drilling, development drilling and production drilling.
b-The drillings made according to the type of the item sought are divided into injection drillings, energy drillings, geothermal drillings, water drillings, oil and foundation drillings.

5-) Classification according to their methods

combined drilling (also called compound drilling)
Rotary drilling
Impact drilling

All tools and equipment used in impact drilling can be seen as an advantage since they are manufactured in our country, and because of the fact that they do not require any other consumption material other than fuel and their materials are durable, their service life is quite long. It is an economical choice because it should be used in rotary drilling works in large quantities and because of the considerable water consumption in hammer drills. In addition, another feature of impact drillings is that it allows to take samples without delay and interference. The fact that it is rather slow compared to rotary drilling can be considered as some disadvantages.