Section emphases: Horizontal well's technology and application, Key technologies, development and applicatio Section difficulty: Horizontal well's track control technology and its application Chapter 6 oil&gas well pressure control Section 1 Wellbore and Formation pressure system (1) Relation of wellbore and Formation pressure (2)Balanced drilling (3)Underbalanced drilling Section emphases: Well pressure system and pressure balance relations, balance pressure, under balanced drilling and application Section difficulty: Influence mechanism of various pressures to well drilling Section 2 formation fluids invasion and examination 1)Formation fluid invasion in well bore (2) Annular Two-Phase Flow in Wellbores distribution and flow characteristics while gas cutting (3) Formation fluids invasion and examination Section emphases: Formation fluid invasions examination method and theory. Section difficulty: Gas cut influence Section 3 Control of formation fluid invasion (1 shutting in procedure while well kick (2) drilling fluids density calculation in kill well (3)Killing well 's theory and method Section emphases: Relationship of SPP, CP and reservoir pressure; Relationship of casing shoe pressure and formation fracture pressure; Various pressure balance and computation. Section difficulty: Influence of Gas invasion to pressure system Chapter 7 Casing Cementing and well completion Section 6 Wellbore structure design (1)Casing type tructure designs principal (3)Design coefficient (4)Well structure design's methods (5 Casing and wellbore size determineation Section emphases: Foundation and design method of Well structure design Section difficulty: The determination of casing setting depth Section 2 Casing string's design (1)Casing and casing string (2)Casing strings stress analysis and casing strength (3) Casing strength's principle of design Section emphases: Casing string design method and project Section difficulty: Under many load functions intensity criterion and practical application Section 3 Cement injection technology (1)Oil well cement (2) The relationship of cement characteristic and cementing engineering (3) Leading fluid system (4)Improving cementing quality measure Section emphases: Influence well cementation quality's primary factor and countermeasure Section difficulty: Wellbore diameter, flow pattern, rheology, technology's influence to cementing quality, gelling bridge resulted weight loss mechanism, affecting factors in gas well cementing, engineering strategy. Section 4 Completion Technique 1) Reservoir drilling (2)Oil&gas well completion principle and downhole structure type (3)Open hole completion (4) Perforation plet (5) Sand control completion (6 Special well completion (7)Well completion wellhead Section emphases: Completion technique methods, feature and suita bility Section difficulty: The relationship of completion methods and oil reservoir exploitation Chapter 8 other drilling technique and operation Section 1 Borehole problems and treatment (1) Well blowout and treatment (2)Lost circulation and treatment (3)Pipe Sticking and treatment (4)Drilling toll accident and treatment (5)Downhole fish/junk and treatment Section emphases: lost circulation, pipe sticking and treatment. Section difficulty: pipe sticking point determination with mechanical calculation method Section 2 Coring technology (1)OutlineSection emphases:Hor izontal well’s technology and application, Key technologies、development and application. Section difficulty:Hor izontal well’s t rack cont rol technology and its application Chapter 6 Oil&gas well pressure cont rol Section 1 Wellbore and Formation pressure system (1) Relation of wellbore and Formation pressure (2) Balanced dr illing (3) Underbalanced dr illing Section emphases:Well pressure system and pressure balance relations, balance pressure, under balanced dr illing and application. Section difficulty:Influence mechanism of var ious pressures to well dr illing. Section 2 Formation fluids invasion and examination (1) Formation fluid invasion in well bore (2) Annular Two-Phase Flow in Wellbores dist r ibution and flow character istics while gas cutting (3) Formation fluids invasion and examination Section emphases:Formation fluid invasion’s examination method and theory. Section difficulty:Gas cut influence Section 3 Cont rol of formation fluid invasion (1) shutting in procedure while well kick (2) dr illing fluids density calculation in kill well (3) Killing well ‘s theory and method Section emphases:Relationship of SPP, CP and reservoi r pressure; Relationship of casing shoe pressure and formation f racture pressure; Var ious pressure balance and computation. Section difficulty:Influence of Gas invasion to pressure system. Chapter 7 Casing & Cementing and well completion Section 6 Wellbore st ructure design (1) Casing type (2) Well st ructure design’s pr incipal (3) Design coefficient (4) Well st ructure design’s methods (5) Casing and wellbore size determineation Section emphases:Foundation and design method of Well st ructure design. Section difficulty:The determination of casing setting depth Section 2 Casing st r ing’s design (1) Casing and casing st r ing (2) Casing st r ing’s st ress analysis and casing st rength (3) Casing st rength’s pr inciple of design Section emphases:Casing st r ing design method and project. Section difficulty:Under many load functions intensity cr iter ion and practical application. Section 3 Cement injection technology (1) Oil well cement (2) The relationship of cement character istic and cementing engineer ing (3) Leading fluid system (4) Improving cementing quality measuree Section emphases:Influence well cementation quality’s pr imary factor and countermeasure Section difficulty:Wellbore diameter、flow pattern、rheology、technology’s influence to cementing quality, gelling, br idge resulted weight loss mechanism, affecting factors in gas well cementing, engineer ing st rategy. Section 4 Completion Technique (1) Reservoi r dr illing (2) Oil&gas well completion pr inciple and downhole st ructure type (3) Open hole completion (4) Per foration completion (5) Sand cont rol completion (6) Special well completion (7) Well completion wellhead Section emphases:Completion technique methods, feature and suitability. Section difficulty:The relationship of completion methods and oil reservoi r exploitation. Chapter 8 Other dr illing technique and operation Section 1 Borehole problems and t reatment (1) Well blowout and t reatment (2) Lost ci rculation and t reatment (3) Pipe Sticking and t reatment (4) Dr illing toll accident and t reatment (5) Downhole fish/junk and t reatment Section emphases:lost ci rculation、pipe sticking and t reatment. Section difficulty:pipe sticking point determination with mechanical calculation method Section 2 Cor ing technology (1) Outline