What is a rotary drilling?

rotary drilling includes the use of a large drill at the end of the hollow tube. The drill bit is designed from very thick steel wheels, usually in the three set, which are attached to the end of the pipe or solid bits, which can be twisted with diamonds. When the pipe turns in a circle, the rotary drill bit turns and chews the ground and swings out of the way. The rotary drilling is able to bore much further down the ground than any other form of drilling. This liquid does three things. First of all, it cools the drill, because rotary drilling over the rock creates great heat. The fluid also smears a bit and a tube to make it easier to pass through the ground and a rock. Perhaps the most useful feature of the fluid is that it helps to transfer the cut stone and the ground to the surface with a tube, allowing a rotary drilling for constant cutting and moving down without stopping to clean the hole.

Type of well -drilled determines what type of drilling liquid will be boundlive. The most common type of drilling is called mud - this liquid mixes with pieces of clay and helps to seal the drill cover on the ground. This is an important step because the escape case can cause many problems and damage to the area around the well. When drilling fresh water, the drill crew would not use salt water because it could contaminate fresh water. Conversely, when rotary drilling through underground salt bearings, fresh water used as a drilling fluid can cause salt to disrupt and collapse the well.

Lubrication of bits of drilling is considered important. The burnt or overheated drill bit will not be cut through the rock as quickly as a fresh and sharp drill. The drill can be changed, but this is time -consuming. To change the bits, all drill pipes must be known as the drill chain removed by the section on the section until the bit is reached the surface. Careful planning of the area to be drilled can prevent the drill from being forced too quickly on the ground.