The angle measures 135°. Always check which two numbers the angle is in between and remember the direction the numbers are going in. It is easy to make a mistake and write 145° instead.

There are many different types of angles ... When two arms of an angle lie in the opposite direction, they form a straight line from where they meet at the vortex. For this reason, these types ...

Then, once the angle is reached, the complete drillstring is rotated, including the bend, ensuring the drillbit does not drill in a different direction from the wellbore axis. One type of ...