References
- 1. Zhu, X.H., Wang, Y., Chen, Q.S., Deng F.C., Tang L.P.: The Elastoplastic Contact Analysis of Drilling Pipe-Slip Dog and Optimal Design of Slip Dog, The 2010 international conference on computational and information science.10.1109/ICCIS.2010.51
- 2. Zhu, X.H., Wang, Y., Chen, Q.S., Tang L.P., Tong, H.: Optimal Design of Slip Dog Based on the Elasticoplasticity contact analysis, Applied Mechanics and Materials, Vol. 35, pp. 1718-1723, 2010.
- 3. Yeung, M.R,, Jiang, Q.H., Sun, N.: A Model of Edge2to2edge Contact for Three-dimensional Discontinuous Deformation Analysis, Computers and Geotechnics, Vol. 34, no. 3, pp. 175-186.10.1016/j.compgeo.2006.11.001
- 4. Zhou, S.P.: Calculation of the Lim ited Load-bearing Capacity of the Pipe String Inside a Slip, Journal of Xi’an Petroleum Institute(Natural Science Edition), Vol. 16, no. 2, pp. 50-54, 2001.
- 5. .Cui, X.B.: Analysis of the Load Bearing Capacity of Tubes Inside Slips, Acta Troleisinica, Vol. 21, no. 1, pp. 87-90, 2000.
- 6. Tian, H.L., Hu, S.Y.: Experimental study on frictional factor between chuck jaw and drilling rod, Coal Ceology and Exploration, Vol. 31, no. 2, pp. 68-70, 2003.
- 7. Liu, W.L.: To investigate the effects of different tooth surface slip on clamping force of drilling machine, Mining safety and environmental protection, Vol. 34, no. 6, pp. 81-83, 2007.
- 8. W.H.Spiri, W.B.Reinhold: The slip mechanism of drill pipe damage, Oil drilling machinery, no. 5, pp. 53-58, 1982.
- 9. Wang, Y.: The power slip nip technology of drilling tool failurel, Drilling and production technology, Vol. 29, no. 3, pp. 113-115, 2007
- 10. Wang, Y., Xu, W., Li, S., Zhang, H.: The Drilling Tool Against Expiration Technology of Power slip Clamp Area, Drilling & Production Technology, Vol. 29, no. 3, pp. 113-115, 2006.
- 11. Merahn.,, Zayera., Shuai, B.A.: Finite element evaluation of clearance effect on tube-to-tubesheet joint strength, International Journal of Pressure Vessels and piping. Vol. 80, no, 12, pp. 579-585, 2003.10.1016/j.ijpvp.2003.08.007
- 12. Liu, F.J., Zheng, J.Y.: Forming mechanism of double-layered tubes by internal hydraulic expansion, Pressure Vessel and piping, Vol. 81, no. 3, pp. 625-633, 2004.10.1016/j.ijpvp.2004.03.014
- 13. Tesco Corporation: Patent Application Publication, US：11/937,220, 2007.
- 14. Hibbitt., Karlsson Sorensen.: ABAQUS/ Explicit User’s Manual Version6.4.1, Inc. 2003.
- 15. Cui, C., Luan M.T., Zhao Y.H., Sun Z.Q.: Numerical Elasto-plastic Analysis of Interaction Characteristics of PiledRaft Foundation Based on ABAQUS, Journal of Wuhan University of Technology. Vol. 31, no, 6, pp. 60-64, 2009.