Safe filling and emptying of the drill string
Overflow valves ensure controlled filling of the drill string with liquid during descent. This is important to create the necessary pressure and stability inside the well, preventing unwanted seepage or loss of drilling fluid circulation.
Filling the drill string:
Overflow valves play a key role in downhill operations during well drilling. They are designed to fill and empty the drill string, ensuring safety and efficiency. Installing the overflow valve above the engine is an integral part of the configuration.
After completing the descent, operators must empty the drill string before lifting. Overflow valves allow you to control the emptying process, ensuring the safe removal of drilling mud and other materials from the well.
Emptying the drill string: