Abstract: At 1:30 p.m. on May 29, 2017, an employee was changing a seal on a power swivel. The rigging chain on the tong broke, striking the employee in the side of his head. The employee suffered a fractured skull and was killed. Keywords: Broken Chain, Fracture, Struck By
[pdf] The most common modes of shipping for drill rigs are air, sea, and land. Air shipping is the fastest mode of transport and is frequently used when time is of the essence. However, it is also the most expensive option. Sea shipping is the most cost-effective option, but it is also the slowest option.
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