A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the __________.

Correct Answer: Option D — elevators

Elevators are heavy-duty, hinged clamps that latch around the tool joint of a drill pipe. They are suspended from the traveling block and are essential for supporting the weight of the entire drill string, allowing the crew to raise or lower it during tripping operations.