Chapter emphases: Performance of drilling fluid and adjustment method, solids control and apply performance require of Completion fluid Chapter difficulty: Analysis to drilling fluid performance influence factor, Affects the mechanism of Completion fluid to exploration Explanation: Specialized course Oilfield chemistry, Craft principle of Drilling Fluid narrate Drilling fluid additive and mechanism. This chapter content is the technology base of drilling Chapter 4 optimization of drilling parameters Section 1 Relations of Various Parameters during Drilling (1) The primary factor influencing ROP (2)ROP analysis model (3) Bit wear model (4) Related coefficient of drilling model determineation Section emphases: The factor influencing ROP Section difficulty: Quantify analysis of influence factor Section 2 Optimization of mechanic rock bricking parameters (1) Establishment of objective functions (2 Extremal condition and Constraints of objective function (3) Bit optimum wear, optimum woB and optimum ROP Section emphases: Influence and regulateon of mechanical rock bricking parameters Section difficulty: Establishment and application of objective function Section 3 Design of Hydraulics optimization (1) Hydraulic performance of jet bit (2)Basic relations of water horsepower transmission (3) Calculation of friction pressure in circulation (4)Drill pump operating characteristic (5) Standard of hydraulics optimization (6 Maxium bit hydropower (7) Maxium jet impact force (8) Design of hydraulics Optimization Section emphases: Calculation of hydraulic parameters, the affecting mechanism on ROP Section difficulty: Principle and method of jet drilling optimization design Chapter 5 Well orbit design and track control Section 1 Well track's basic concept (1) Basic parameters of track (2) Calculation parameters of track (3 Graphic method of track Section emphases: Track parameters computational methods Section difficulty: Affection of different computational method Section 2 Track's survey and computation (1 Deviational survey method and briefly introduction of inclinometer (2) Regulation of deviation survey computational data (3) Track computational methods Section emphases: Measure methods and principle, measured parameters track computational methods Section difficulty: Principle and reasonable choice for different computational methods Section 3 Deviation control technology for straight well (1)Well deviation analysis (2) Packed hole assembly in Well deviation control (3)Pendulum assembly in Well deviation control Section emphases: Reason of Well deviation, deviation control method and application Section difficulty: Main Protect deviation control method's mechanism Section 4 Direction well orbit design (1)Direction well orbit classification (2)Conventional two-dimensional direction well Section emphases: Track design methods and application Section 5 Directional well deflecting tool and track control (1) PDM deflecting tool (2)Rotary table drilling deflecting tool (3)Basic method of direction well track control (4 Calculation of hole deflection (5 hole orientation with deflecting tools Section emphases: Method and principle of track control, device and technological process Section difficulty: Influence of controlled variable for track and its determination Section 6 Horizontal well drilling technology introduction (1) Horizontal well concept (2) Horizontal well economic efficiency and application prospect (3) The horizontal well drilling 's difficultyChapter emphases:Per formance of dr illing fluid and adjustment method, Solids cont rol and apply, Per formance requi re of Completion fluid. Chapter difficulty:Analysis to dr illing fluid per formance influence factor, Affects the mechanism of Completion fluid to exploration. Explanation:Specialized course Oilfield chemist ry、Craft pr inciple of Dr illing Fluid nar rate Dr illing fluid additive and mechanism. This chapter content is the technology base of dr illing fluid. Chapter 4 Optimization of dr illing parameters Section 1 Relations of Var ious Parameters dur ing Dr illing (1) The pr imary factor influencing ROP (2) ROP analysis model (3) Bit wear model (4) Related coefficient of dr illing model determineation Section emphases:The factor influencing ROP Section difficulty:Quantify analysis of influence factor Section 2 Optimization of mechanic rock br icking parameters (1) Establishment of objective functions (2) Ext remal condition and Const raints of objective function (3) Bit optimum wear、optimum WOB and optimum ROP Section emphases: Influence and regulateon of mechanical rock br icking parameters Section difficulty:Establishment and application of objective function Section 3 Design of Hydraulics Optimization (1) Hydraulic per formance of jet bit (2) Basic relations of water horsepower t ransmission (3) Calculation of f r iction pressure in ci rculation (4) Dr ill pump operating character istic (5) Standard of hydraulics optimization (6) Maxium bit hydropower (7) Maxium jet impact force (8) Design of hydraulics Optimization Section emphases:Calculation of hydraulic parameters, the affecting mechanism on ROP Section difficulty:Pr inciple and method of jet dr illing Optimization design Chapter 5 Well orbit design and t rack cont rol Section 1 Well t rack’s basic concept (1) Basic parameters of t rack (2) Calculation parameters of t rack (3) Graphic method of t rack Section emphases:Track parameter ’s computational methods. Section difficulty:Affection of different computational methods. Section 2 Track’s survey and computation (1) Deviational survey method and br iefly int roduction of inclinometer (2) Regulation of deviation survey computational data (3) Track computational methods Section emphases:Measure methods and pr inciple, measured parameter ’s t rack computational methods. Section difficulty:Pr inciple and reasonable choice for different computational methods. Section 3 Deviation cont rol technology for st raight well (1) Well deviation analysis (2) Packed hole assembly in Well deviation cont rol (3) Pendulum assembly in Well deviation cont rol Section emphases: Reason of Well deviation, deviation cont rol method and application. Section difficulty:Main Protect deviation cont rol method’s mechanism Section 4 Di rection well orbit design (1) Di rection well orbit classification (2) Conventional two-dimensional di rection well Section emphases:Track design methods and application. Section 5 Di rectional well deflecting tool and t rack cont rol (1) PDM deflecting tool (2) Rotary table dr illing deflecting tool (3) Basic method of di rection well t rack cont rol (4) Calculation of hole deflection (5) hole or ientation with deflecting tools Section emphases:Method and pr inciple of t rack cont rol, device and technological process. Section difficulty:Influence of cont rolled var iable for t rack and its determination. Section 6 Hor izontal well dr illing technology int roduction (1) Hor izontal well concept (2) Hor izontal well economic efficiency and application prospect (3) The hor izontal well dr illing's difficulty