How To Remove A Broken Drill Pipe

As one of the OCTG pipe, the drill pipe is often used in drilling operations. If the drill pipe is accidentally broken, the drilling operation should be stopped immediately, the drill pipe should be checked, the safety status and the position of the drill pipe should be determined, and then the broken pipe should be removed by appropriate methods.

The following are some commonly used methods for removing broken drill pipes:

1. Remove the broken rod with the help of the drill pipe joint: This is the most commonly used method for removing broken drill pipes. First, remove the slide card and joint at the top of the drill pipe, and then remove the broken rod section by section along the drill pipe with the help of the joint.

2. Use a three-claw clamp to remove the broken rod: If the broken rod is too short or too small, it is not suitable to use the above method. You can use a three-claw clamp to clamp the broken rod for removal. First, determine the position of the broken rod, then insert the clamp into the wellhead, and remove the broken rod under the control of the clamp.

3. Use magnetic force to remove: If the broken drill pipe is made of nickel-chromium steel, you can use the magnetic force to remove it. First, put the magnetic suction head into the wellhead, then find the position of the fallen drill pipe under the guidance of the compass, and then use the magnetic suction head to absorb it.

Here are some emergency treatment methods for drill pipe breakage:

1. Use a deep hole drilling rig with a huge rattle, and use the vibration of the rattle directly on the wellhead to make the broken rod fall off or be vibrated to the wellhead.

2. Use experienced drilling workers, or use tools such as cutters and manual crowbars to remove the drill pipe section.

3. Use brake self-locking torque, braking torque and other technologies to ensure that the drill pipe and the wellhead give signals and ensure that the operation instructions can be transmitted to the operator in a timely manner.

Summary

Drill pipe breakage is a very dangerous drilling accident. Appropriate methods need to be taken to remove the broken rod in time and carry out emergency treatment. Drilling companies should strengthen safety training for drilling workers, emergency treatment practices, improve the ability to respond to emergencies, and ensure the safety of drilling operations.