Books

1.     Li Zifeng. Tubalur Mechanics in Oil-Gas Wells and Its Applications[M]. Beijing: China Petroleum Industry Press, 2008. (in Chinese) (manuscript dowload: http://www.worldnpa.org/pdf/ebooks/TubularMechanicsinOil-GasWellsandItsApplications.pdf)

2.     Li Zifeng.  Rod and Pipe String Mechanics in Oil and Gas Wells[M]. Beijing: China Petroleum Industry Press, 1996. (in Chinese)

3.     Li Zifeng.  Theory of Well Trajectory Control[M]. Beijing: China Petroleum Industry Press, 1996. (in Chinese)

4.     Hu Bozhong, Dong Fuzhou & Li Zifeng. Slimhole Drilling and Production Technology[M]. Beijing: China Petroleum Industry Press, 1997. (in Chinese)

5.     Li Zifeng. Design and Control of Well Path-Chapter 3 of Petroleum Engineering[M]. Beijing: China Petroleum Industry Press,  2000. (in Chinese)

6.     Li Zifeng.  Chapter 3 and 5 of Applied Theoretical Foundation of Well Trajectory[M]. Beijing: China Petroleum Industry Press, 1993. (in Chinese)

 

Journal Papers

1.     LI Zifeng, CAI Yutian, LI Dongmei, XU Yandong. Mechanical analysis of pipe string in formation testing[J]. Acta Petrolei Sinica, 2011, 32(4): 709-716. (in Chinese)

2.     LI Zi-feng. Influence of internal and external pressure on equivalent axis force and stability of pipe string in oil wells[J]. Journal of China University of Petroleum(Edition of Natural Science), 2011, 35(1): 65-67. (in Chinese)

3.     WANG Wen-long, LI Zi-feng. Influence of shock absorber on longitudinal vibration of drill string under different vibration inducing conditions[J]. Engineering Mechanics, 2011, 28(4): 221-225. (in Chinese)

4.     LI Zifeng, MENG Xianpeng, LIANG Erguo, WANG Zhongfu, LI Tianqun. Experimental study on relationship between weight losing of slurry by curing and casing axial tension[J]. Oil Drilling & Production Technology, 2010, 32(6): 23-27. (in Chinese)

5.     LI Zifeng, ZHANG Xin, WANG Peng, LI Runqi. Analysis of bending moment on the bit in sidetrack drilling[J]. Oil Drilling & Production Technology, 2010, 32(5): 13-16. (in Chinese)

6.     Zifeng Li. Observation theory of moving objects [J]. Phys. Essays, 2011, 24(1): 34-38. (in English)

7.     LI Zifeng LI Jiwei. Can the Renewable Energy Be Regenerated?[J]. China Terminology, 2011, (2): 45-47. (in Chinese)

8.     LI Zi-feng, LI Xue-jiao. Naming of Material System and Rectification of the Word Antimatter [J].  Science and Technology of West China, 2011, 10(16): 1,46. (in Chinese)

9.     LI Zi-feng, WANG Peng, LI Xue-jiao, LI Run-qi. The Nature of Temperature and Geothermal Distribution[J].  Science and Technology of West China, 2010, 9(14):1-2. (in Chinese)

10.  LI Zi-feng. Particle Nature of Light and Light Speed[J].  Science and Technology of West China, 2010, 9(13): 16-17. (in Chinese)

11.  Yang Xinjun, Li Zifeng, Chen Fengbo, et al. A simulation of drilling conditions by the new-type oil-well casing abrasion testing machine[J]. China Petroleum Machinery, 2011, 39(1): 13-16. (in Chinese)

12.  HAN Dong-ying, ZHOU Guo-qiang, LI Zi-feng, SHI Pei-ming. Ultimate bearing capacity prediction of derrick steel structures based on dynamic measurement parameters[J]. Journal of Vibration and Shock, 2011, 30(1): 106-110. (in Chinese)

13.  Zifeng Li, Dongping Yao, Robello Samuel. Simplified model for expansion and contraction of slotted tubulars[J]. Journal of Petroleum Science and Engineering,2010, 72: 244–250. (in English)

14.  Zhang Yong-gui, Li Zi-feng, Zhang Li-ping. Study on the casing strength of vacuum insulated shaft[J]. Engineering Mechanics, 2010, 27(5): 179-183. (in Chinese)

15.  Yang Xin-jun, Li Zi-feng, Wang Zhao-yun, Tian Xinmin. Simulating experiment of casing cementing with pre-expansion[J]. Engineering Mechanics, 2010, 27(6): 223-227. (in Chinese)

16.  ZHAO Wenbin, LI Zifeng. WANG Guobin, et al . Mechanical analysis software of workover pipe strings and its application [J]. Oil Drilling & Production Technology, 2010, 32(3):23-26. (in Chinese)

17.  LI Jingyuan, CHEN Guochun, LI Zifeng, et al. Application of filter technique to diagnosis of sucker-rod pumping system[J]. Acta Petrolei Sinica, 2010, 31(1): 144-147. (in Chinese)

18.  LI Zi-feng, HU Zhi-xing, ZHOU Xing-mei. Application Possibilities of Tubular Mechanics in Oil-gas Wells in Micro / Nano Systems[J]. Science and Technology of West China, 2010, 9(9): 16-19. (in Chinese)

19.  Li ZiFeng, Yang XinJun, Wang ZhaoYun, Tian XinMin. The pre-expension technique to protect casing from thermal failure in thermal recovery wells[J]. Acta Mechanica Solida Sinica (AMSS) (Chinese edition), 2009, 30(2):162-169.

20.  Li Zifeng, Zhang Yonggui, Yang Xinjun. Interaction model between creep formation and oil well casing [J]. ACTA PETROLI SINICA,2009,30(1):129-131. (in Chinese)

21.  LI Zifeng, DAI Jiang, YU Zhendong. Mechanical analysis of downhole strings for two-layer fracturing and its application[J]. Oil Drilling & Production Technology, 2009, 31(1): 81-84. (in Chinese)

22.  Li Zi-Feng, Yang Xin-Jun, Wang Zhao-Yun, Tian Xin-Min. Casing cementing with internal prepressurization for thermal recovery wells[J]. Engineering Mechanics, 2008, 25(6): 219-224 (in Chinese)

23.  Li Zifeng, Han Dongying, Zhou Guoqiang. Model parameters identification and over-all properties evaluation for complex load carrying steel structures[J]. Chinese Journal of Applied Mechanics, 2008, 25(4): 678-682. (in Chinese)

24.  Zifeng Li. Casing cementing with half warm-up for thermal recovery wells[J]. Journal of Petroleum Science and Engineering, 2008, 61(2-4):94-98. (in English)

25.  Zifeng Li. Casing Cementing with Internal Pre-pressurization for Thermal Recovery Wells[J]. Journal of Canadian Petroleum Technology, 2008, 47(12): 44-49. (in English)

26.  Li Zi-Feng, Yang Xin-Jun, Wang Zhao-Yun, Tian Xin-Min. Casing cementing with internal prepressurization for thermal recovery wells[J]. Engineering Mechanics, 2008, 25(6): 219-224. (in Chinese)

27.  Li Zifeng, Li Jingyuan. Mathematical Models for 3D Analysis of Rotary Steering BHA Under Small Deflection. Journal of Energy Resources Technology, 2008 ,130(1): 013101-7. (in English)

28.     Li Zifeng. Special Relativity Arising from a Misunderstanding of Experimental Results on the Constant Speed of Light. Physics Essays, 2008 , 21 (2):96-102 . (in English)

29.  Han Dong-Ying, Zhou Guo-Qiang, Li Zi-Feng. Forecast method study on ultimate bearing capacity of large-scale steel structure rack with damage and defacements[J]. Acta Metrologica Sinica, 2007, 28(4): 370-374. (in Chinese)

30.     Han Dongying, Li Zifeng, Zhou Guoqiang. Simulation model for ultimate bearing capacity of in-service oil drilling derrick[J]. Acta Petrolei Sinica, 2007,,28(2): 120-123,128. (in Chinese)

31.     Li Tianjiang, Li Zifeng, Guo Zhenhua, Zhao Yanchao, Wang Changjin, Shen Zhonghua. Relationship of pore and permeability models between NMR log and conventional log in tight sandstone gas reservoir[J]. Nuclear Techniques, 2007, 30(7): 589-592. (in Chinese)

32.     Han Dong-Ying, Li Zi-Feng, Zhou Guo-Qiang. Ultimate bearing capacity analysis of derrick steel structures based on partial model updating theory[J]. Engineering Mechanics, 2007, 20(10): 175-179, 185. (in Chinese)

33.     Li Zifeng, Li Tianjiang, Wang Changjin, et al.. The essence of special relativity and its influence on science, philosophy & society[J]. Scientific Inquiry, 2007, 8(2): 229-236. (in English)

34.     Li Zifeng, Wang Zhaoyun. Materialistic views of space-time and mass-energy[J]. Scientific Inquiry, 2007, 8(2): 237-241. (in English)

35.     Li Zifeng, Tian Xinmin. Magic weapons for supporting relativity[J]. Scientific Inquiry, 2007, 8(2): 250-255. (in English)

36.     Li Zifeng. The essential relationship between mass and energy[J]. Scientific Inquiry, 2007, 8(2): 256-262. (in English)

37.   Li Zifeng, Li Jingyuan. Fundamental Equations for Dynamic Analysis of Rod and Pipe String in Oil-Gas Wells and Application in Static Buckling Analysis[J]. Journal of Canadian Petroleum Technology, 2002, 41(5):44-53. (in English)

38.  Li Zifeng, Ma Xingrui, Huang Wenhu & Liu Xisheng. 3D Analysis of Bottom Hole Assembly under Large Deflection[J]. SPE Drilling & Completion, 1996, 11(2):104-110. (in English)

39.  Li Zifeng. Criterion and Erosion Mechanism of Cavitating Jet[J]. Engineering Mechanics, 2007, 24(3):185-188. (in Chinese)

40.  Li Tianjiang, Li Zifeng Zhao Yanchao, et al. Consistency of Pore Structures between NMR and Mercury Intrusion Method[J]. Natural Gas Industry, 2005, 26(10): 57-59. (in Chinese)

41.  Li Zifeng. Cavitating Jet and Its Application Prospects in Rock Cutting during Well Drilling[J]. Natural Gas Industry, 2006, 26(8): 86-89. (in Chinese)

42.  Li Zifeng, Wang Changjin, Li Tianjiang, et al. Development of Oil Well Drill Pipe –Casing Frictional Wear Tester[J]. China Petroleum Machinery, 2006, 34(11):11-13,19. (in Chinese)

43.  Han Dongying, Li Zifeng, Zhou Guoqiang, et al. Safety Bearing Capacity Evaluation for Drilling Derrick Based on Vibration Parameters[J]. Petroleum Drilling Techniques, 2006, 34(6):48-51. (in Chinese)

44.  Li Zifeng, Li Tianjiang. Opposing the Theory of Relativity Similar Opposing Ghosts and Gods Theory[J]. Chinese Academic Forum, 2006, (35): 58. (in Chinese)

45.  Li Zifeng. The Essential Relationship between Mass and Energy[J]. Chinese Academic Forum, 2006, (34): 55-57. (in Chinese)

46.  Li Zifeng, Tian Xinmin. Magic Weapons for Supporting Relativity[J]. Chinese Academic Forum, 2006, (33): 50-51. (in Chinese)

47.  Li Zifeng, Wang Zhaoyun. The Views of Space-time and Mass-energy of Materialism[J]. Chinese Academic Forum, 2006, (31): 15-16. (in Chinese)

48.  Li Zifeng, Li Tianjiang, Wang Changjin, et al. The Essence of Special Relativity and Its Influence on Science-Philosophy and Society[J]. Scientific Research Monthly, 2005, (13):  80-83. (in Chinese)

49.  Li Zifeng. Special Relativity Being from Misunderstanding of Principle of Constant Speed of Light[J]. Finding, 2005, (S):128-132. (in Chinese)

50.  Han Dongying, Zhou Guoqiang, Li Zifeng. Analysis of the Ultimate Bearing Capacity of Oil Field Drilling Masts[J]. PETROLEUM SCIENCE, 2005, 2(3):33-36. (in English)

51.  Dai Jiang, Cui Lihong, Li Zifeng, et al. Improvement of Preventing Tubing Overflow Tool in the Course of Well Cleanout and Reverse Cleanout[J]. Drilling & Production Technology,  2005, 28(5): 77-79. (in Chinese)

52.  Li Jingyuan, Li Zifeng. Realization of Well Path Prediction[J]. Natural Gas Industry, 2005, 25(5): 62-64. (in Chinese)

53.  Li Zifeng. Pre-pressured Cementing for Thermal Recovery Wells. Petroleum Drilling Techniques, 2005, 33(1):1-4. (in Chinese)

54.  Li Zhigang, Li Zifeng, Hao Shumin, et al. Study and Application of Fracturing Techniques for the Tight Gas Reservoir with Low Pressure[J]. Natural Gas Industry, 2005, 25(1):96-99. (in Chinese)

55.  Li Zifeng, Zhang Yonggui, Hou Xutian, et al. Analysis of Longitudinal and Torsion Vibration of Drillstring[J]. Engineering Mechanics, 2004, 21(6): 203-210. (in Chinese)

56.  Li Zifeng, Li Tianjiang, Yang Xinjun, et al. Half Pre-Heating Cementing Technology for Thermal Recovery Well[J]. Oil Drilling & Production Technology, 2004, 26(5):16-18. (in Chinese)

57.  Li Zifeng, Li Zhigang. Analysis of Longitudinal Vibration of Drill-string[J]. Natural Gas Industry, 2004, 24(6):70-73. (in Chinese)

58.  Li Zifeng. Some Problems in The Recent Research of Drillstring Bifurcation[J]. China Petroleum Machinery, 2004, 32(6): 68-70. (in Chinese)

59.   Li Zifeng, Zhao Jinhai, Li Jingyuan. Mathematical Models for 3D Analysis of Rotary Steering Bottom Hole Assembly with Small Deflection[J]. ACTA PETROLI SINICA, 2004, 25(1):84-88. (in Chinese)

60.   Zhao Jinhai, Zhao Jinzhou, Han Laiju, Li Zifeng. Study on Mechanical Property of Push-The-Bit Rotary Steering BHA[J]. Oil Drilling & Production Technology, 2004, 26(1):13-15. (in Chinese)

61.   Li Zifeng, Zhao Jinhai, Jiang Shu. Preliminary Study on Influencing Factors of the Forces and Trajectory Control for Bottom Hole Assembly[J]. Oil Drilling & Production Technology, 2003, 25(6):35-37. (in Chinese)

62.   Li Zifeng, Li Jingyuan, Zhao Ping, et al. Mechanical Analysis of Expandable Screen Pipe[J]. China Petroleum Machinery, 2003, 31(12):6-8. (in Chinese)

63.   Jiang Shu, Li Zifeng, Yang Xinjun, et al. Consideration of the Current Enhanced Oil Recovery[J]. Oil Drilling & Production Technology, 2002, 24(3):23-26. (in Chinese)

64.   Li Zifeng, Li Tonglin. Accuracy of the Boundary Conditions at the Upper Tangent of the Conventional BHA[J]. Oil Drilling & Production Technology, 2002, 24(1):31-32. (in Chinese)

65.   Li Zifeng, Jiang Shu, Yang Xinjun. Current Status and Developing Trend of Mechanical Study of Rod and Pipe Strings in Oil and Gas Wells[J]. China Petroleum Machinery, 2002, 30(12):30-33. (in Chinese)

66.   Jiang Shu, Li Zifeng. Study on the Bit Boundary Condition[J]. Oil Drilling & Production Technology, 2001, 23(4):34. (in Chinese)

67.   Li Zifeng. Discussion on the Matrix Stress Formula[J]. Oil Drilling & Production Technology, 2001, 23(3):41. (in Chinese)

68.   Li Zifeng. The Accuracy of Bilateral Stress Elliptic Theory[J]. Oil Drilling & Production Technology, 2000, 22(6):35-36. (in Chinese)

69.  Li Zifeng, Zhao Xinrui, Zhao Deyun. Mathematical Model for 3D Analysis of General Bottomhole Assembly under Small Deflection and Its Application[J]. Engineering Mechanics.2000, 17(6):121-129. (in Chinese)

70.   Li Zifeng, Li Xiangfang, Shan Zhigang. Monitoring Wellbore Cleaning Degree and Sticking Possibility in Offshore Extended Wells[J]. Petroleum Drilling Techniques, 2000, 28(5):4-6. (in Chinese)

71.   Li Jingyuan, Li Zifeng, Zhao Xinrui, Zhao Deyun. 3D Static Analysis Method of General Bottom Hole Assembly (BHA) under Small Deflection[J]. Journal of Xi'an Petroleum Institute (Natural Science Edition), 2000, 15(3):39-44. (in Chinese)

72.   Li Zifeng. “Non-buckling Drill Col1ar “ No Theoretical Foundation[J]. Acta Petrolei Sinica,  1999, 20(5):82-83. (in Chinese)

73.   Li Zifeng, Li Jingyuan, Ma Xingrui, Huang Wenhu. Fundamental Equations and Its Applications for Dynamical Analysis of Rod and Pipe in Oil and Gas Wells[J]. Acta Petrolei Sinica, 1999, 20(3):88-91. (in Chinese)

74.   Li Jingyuan, Li Zifeng, Ma Xingrui, et al. Mechanical Analysis of tubing in Thermal Recovery Wells[J]. Engineering Mechanics, 1998, 15(3):51-60. (in Chinese)

75.   Li Zifeng, Ma Xingrui, Huang Wenhu, et al. Mechanical Analysis of Casing in Thermal Recovery Wells[J]. Engineering Mechanics, 1998, 15(2):19-26. (in Chinese)

76.   Li Jingyuan, Li Zifeng. Force Analysis of Rod String on Screw Pump System and Allocation of Stabilizer[J]. China Petroleum Machinery, 1998, 26(1):13-17. (in Chinese)

77.   Li Zifeng, Yu Hongjiang, Zhu Zhenrui, et al. Steady State Tubing String Tension-Torque Physical Models and Its Application for Side Tracking Horizontal well During Workover Operation[J]. Oil Drilling & Production Technology, 1997, 19(4):58-63. (in Chinese)

78.   Li Zifeng. Stability of Pipe of Oil-Gas Well and Criss-Cross Curing[J]. West China Exploration Engineering, 1997, 9(2):23-25,27. (in Chinese)

79.   Li Zifeng. Hydraulic Inclination Controller- Vibration Dampener- Thruster[J]. China Petroleum Machinery, 1997, 25(3):31-33. (in Chinese)

80.   Li Jingyuan, Li Zifeng. Rock Elastic-plastic Stress around a Wellbore and Its Stability under Permeation Osmosis[J]. Engineering Mechanics, 1997, 14(1):131-137. (in Chinese)

81.   Li Zifeng, Ma Xingrui and Huang Wenhu. Static Stability of Pipe String in Oil and Gas Wells[J]. Engineering Mechanics, 1997, 14(1): 17-25. (in Chinese)

82.   Li Zifeng. Some Problems with Study of Drillstring Mechanics[J]. China Petroleum Machinery. 1996, 24(8):32-35. (in Chinese)

83.   Li Zifeng. Elastic-Plastic Stress around a Wellbore and Its Stability[J]. Scientia Geologica Sinica, 1996, 5(2):163-171. (in English)

84.   Li Zifeng, Wu Dehua, Huang Yaofang. Mathematical Model for Temperature Filed of Wellbore and Formation[J]. Oil Drilling & Production Technology, 1996, 18(1):54-58. (in Chinese)

85.   Li Zifeng, Ma Xingrui, Huang Wenhu. A General Formulation of Drill Stem Mechanics and Its Application[J]. ACTA MECHANICA SINACA, 1995, 27(4): 406-414. (in Chinese)

86.   Li Zifeng Wu Dehua, Huang Yaofang, et al. Thermo-elasticity Analysis of Casing String and Tubing String during Injecting Steam[J]. Oil Drilling & Production Technology, 1995, 17(6): 62-68. (in Chinese)

87.   Li Zifeng, Li JIngyuan, Ma Xingrui, Huang Wenhu.A Mathematical Model of Newton Fluid Laminar Flow Induced by Spin and Revolution of Drillstring[J]. Mechanics and Practice, 1995, 17(5):51-53. (in Chinese)

88.   Li Zifeng, Sun Yuxue, Liu Xisheng. Mathematical model for Predicting Well Bore Trajectory[J]. Journal of Daqing Petroleum Institute, 1995, 19(2):6-9. (in Chinese)

89.   Li Zifeng, Zhang Jifen, Li Jingyuan, et al. Diagnoses of Downhole Working Conditions of Sucker Rod Pumps in Directional Wells[J]. Oil Drilling & Production Technology, 1995, 17(1): 55-60. (in Chinese)

90.   Li Zifeng, Ma Xingrui, Huang Wenhu. Fundamental Equations for Dynamical Analysis to the Pipe in An Oil and Gas Well[J]. Mechanics and Practice, 1995, 17(1):40-42. (in Chinese)

91.   Li Zifeng, Li Jingyuan, Zhang Shaonan. A Mathematical Model for Prediction and Diagnosis of the Behavior of Sucker Rod Pumping Systems in Directional and Horizontal Wells[J]. Journal of Daqing Petroleum Institute, 1994, 18(4):28-31. (in Chinese)

92.   Li Zifeng, Cai Yutian, Chen Tiancheng, et al. Interaction Model between Formation and Bit During the Elliptic Distribution of Rock Drillability[J]. Petroleum Drilling Techniques, 1994, 22(4):17-18. (in Chinese)

93.   Li Zifeng, Ma Xingrui, Huang Wenhu. Linear Buckling of Drill String in Horizontal Section[J]. OCTG & Line Pipe, 1994, (3): 31-35. (in Chinese)

94.   Li Zifeng, Ma Xingrui, Huang Wenhu. Geometrically Nonlinear Bending of Slender Bar (Tube) under Compression Torsion Loading in a Horizontal Pipe[J]. Mechanics and Practice, 1994, 16(3):16-18. (in Chinese)

95.   Li Zifeng, Li Jingyuan. Three-Dimensional Drilling Velocity Equation and Its Reverse Evolution Model[J]. West-China Exploration Engineering, 1994, 6(2):8-11. (in Chinese)

96.   Li Zifeng, Ma Xingrui, Huang Wenhu. The Buckling of a Circular Rod or Pipe Laterally Constrained to be Contact with a Horizontal Circular Cylinder[J]. Journal of Harbin Institute of Technology, 1994, 26(1): 96-100. (in Chinese)

97.   Li Zifeng, Zhou Daqian, Li Jingyuan.  Impact of Various Factors on Lateral Forces of Bit[J]. Oil Drilling & Production Technology, 1993, 15(6):27-34. (in Chinese)

98.   Li Zifeng, Li Jingyuan, Kong Fanjun. Comment on Tension-Torque Model of Drillstring[J]. China Petroleum Machinery, 1993,21(8):43-46. (in Chinese)

99.   Li Zifeng, Zhang Shaonan, Li Jingyuan. Mathematical Model for Longitudinal Vibration of Downhole Strings in Directional and Horizontal Wells[J]. China Petroleum Machinery, 1993, 21(7):.46-50. (in Chinese)

100.        Li Zifeng, Liu Xisheng. 3D Mechanical Analysis of Steerable Bottom hole Tool Assembly under Small Deflection[J]. Petroleum Drilling Techniques, 1993, 21(2):1-6. (in Chinese)

101.        Li Zifeng, Liu Xisheng. A Steady Tension-Torque Model for Drillstring in Horizontal Wells[J]. Petroleum Drilling Techniques, 1992, 20(4):1-6. (in Chinese)

102.        Li Zifeng, Li Jingyuan, Kong Fanjun. Coupling Vibration in Drill String[J]. Petroleum Drilling Techniques, 1992, 20(2):16-17, 57. (in Chinese)

103.        Li Zifeng, Li Bangda. Influence of the Drill Fluid Flow on Lateral Vibration of Drill Stem[J]. China Petroleum Machinery, 1992, 20(1):37-41. (in Chinese)

104.        Li Jingyuan, Li Zifeng. A New Idea of Pumping Unit Rotational Balance[J]. Journal of Daqing Petroleum Institute, 1988, 12(2):21-26. (in Chinese)

105.        Li Zifeng et al. A Prediction Technique for the Behavior of Sucker-Rod Pumping Systems[J]. Journal of Daqing Petroleum Institute, 1987,11 (4):32-39. (in Chinese)

106.        Dai Minying, Li Zifeng. The Theoretical Study on Controlling the Locus of Well Bore by Bit Weight[J]. Oil Drilling and Production Technology, 1987, 9(3):29-32. (in Chinese)

107.        Zhang Shaonan, Tao Jingming and Li Zifeng. Computerized Prediction Technique for Rod Pumping Wells[J]. Oil Drilling and Production Technology, 1986, 8(4):45-50. (in Chinese)

108.        Tao Jingming, Zhang Shaonan and Li Zifeng. Predicting the Dynamometer Cards of Sucker-Rod Pump[J]. Journal of Daqing Petroleum Institute, 1986, 10(2):18-31. (in Chinese)

109.        Li Zifeng, Yang Minjia, Li Bangda. Analysis of Mechanism on Production Casing Failure[J]. Oil Drilling & Production Technology, 1985, 7(4):47-53. (in Chinese)

 

Conference Papers

1.     Zifeng Li, Dongping Yao, G.Robello Samuel. Modeling of Expandable Slotted Tubulars[C]. SPE 109647, The 2007 SPE Annual Technical Conference and Exhibition held in Anaheim, California, U.S.A., 11–14. (in English)

2.     Zifeng Li, Boyun Guo. Analysis of Longitudinal Vibration of Drillstring in Air and Gas Drilling[C]. SPE 107697, The 2007 SPE Rocky Mountain Oil & Gas Technology Symposium held in Denver, Colorado, U.S.A., 16–18 April 2007. (in English)

3.     Zifeng Li. Criterion and Erosion Mechanism of Cavitation Jet[C]. Proceedings of ISFP’2007:5^th International Symposium on Fluid Power Transmission and Control, June 6-8, 2007, Beidaihe, China. (in English)

4.     Zifeng Li, Xisheng Liu, Daqian Zhou. A Steady Tension-Torque Model for Drillstring in Horizontal Wells[C], SPE 26295-MS. (in English)

5.     Zifeng Li, Fundamental Equations for Dynamical Analysis of Rod and Pipe String in Oil and Gas Wells[C], SPE 56044-MS. (in English)

6.     Zifeng Li. Mathematical Models for Analysis of Bottom Hole Assembly[C], SPE 57012-MS. (in English)

7.     Zifeng Li. Static Buckling of Rod and Pipe String in Oil and Gas Wells[C], SPE 57013-MS. (in English)

8.     Jingyuan Li, Zifeng Li.Prediction and Diagnosis of Sucker-Rod Pumping Systems in Directional Wells[C], SPE 57014-MS. (in English)

9.     Li Zifeng, Li Jingyuan. Monitoring Sand Bed Using Tension-Torque Model in Offshore Long Reach Horizontal Wells[C]. International Conference on Computation Methods, FP253. December 2004, Singapore. (in English)

10.  Li Zifeng, Li Jingyuan. Fundamental Equations for Dynamic Analysis of Rod and Pipe String in Oil and Gas Wells[C]. Korea-China Joint Symposium on Hydrocarbon Exploration and Development Technology, 1998, Seoul, Korea. (in English)

11.  Li Zifeng, Li Jingyuan. Static Buckling of Rod and Pipe String in Oil and Gas wells[C]. Korea-China Joint Symposium on Hydrocarbon Exploration and Development Technology, 1998, Seoul, Korea. (in English)