Alert 99 – 37 Casing Tong Support Spring Failure
WHAT HAPPENED:
A joint of 7” (17.5 cm) casing was being made up. The casing tongs were initially in high gear and were being shifted into low gear to finish up the makeup. When the tongs were shifted the support spring rod parted. The tong dies were made up and the tongs were supported by the casing string, and did not fall to the floor.