![]() Tong manufacturers recommend the use of a single snub line according to the safety alert. ![]() It also can create hand/body pinch point in between the lines. The company involved stated that this practice has been found to create a possible hazard due to uneven distribution of load through the dual lines usually placing tension on only one of the lines. The rig was using two 5/8" snub lines on the tongs instead of one single 1 ¼" line. All Rights Reserved Issued January 1999 ALERT 99-04 RIG TONG SNUB LINES WHAT HAPPENED: During an inspection on a rig, the rig company found that the rig was using incorrect size wire rope lines for snub lines on the rig tongs. Copyright © 1999 International Association of Drilling Contractors. Managers & Supervisors should evaluate this information to determine if it can be applied to their own situations and practices. This material is presented for information purposes only. ![]() Safety Alert From the International Association of Drilling Contractors The Corrective Actions stated in this alert are one company’s attempts to address the incident, and do not necessarily reflect the position of IADC or the IADC HSE Committee.
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