Definition(s)
External Guylines
Lines which provide stability and run from some point in the derrick, mast, or pole to ground anchors, or to a special substructure or derrick base that provides a substitute for ground anchors.
Source: API RP 54, Recommended Practice for Occupational Safety for Oil and Gas Well Drilling and Servicing Operations, Third Edition, August 1999 (2007). Global Standards
External Guylines
“External guylines” means lines that run from some point in the derrick, mast, or pole to ground anchors or to a special substructure or derrick base which provides a substitute for ground anchors to provide stability. [Mich. Admin. Code R 408 (2013)].
Source: Oil and Gas Drilling and Servicing Operations, Michigan Administrative Code R 408, February 8, 2013. Regulations