4Merritt G H.Systems Approach to Pipe Handling Cementing,and Mud Mixing[C].Dallas:SPE1729,1967.
5Jacques M E,Herst N W.Pipe-Racking Systems:Are They Cost Efficient?[C].Amsterdam:SPE/IADC 21957,1991.
6Holger Kinzel and J(o)rg Lorenz.A New Approach to Mechanized Tubular Handling and Running as a Safe and Cost Effective Alternative[C].Amsterdam:SPE/IADC 37603,1997.
7Boyadjieff G I,Merit M A.Experiences in Automating in Pipe-handling Functions[C].Amsterdam:SPE/IADC 21956,1991.
8Merritt G H. Systems Approach to Pipe Handling Cementing and Mud Mixing. Dallas: SPE 1729, 1967.
