Well Drilling Engineering Programme English name: Well Drilling Engineering Course number: 040135 Applicable specialties: Petroleum Engineering Period: 54 Credit: 3 Course category: Basic courses in subject Course Type: major course 1. Course Property and objective Drilling engineering is one of the three major courses in PE, which is the petroleum Engineering requirement course. The purpose is let student know oil-gas well drillings essential technology equipment, downhole tools, mastering drilling engineering's essential fundamental, theory and technology, understanding well drilling development trend technology and frontier, preliminarily possessed scientific research ability in drilling engineering, and the ability of oil-field work 2、 Contents Chapter 1 Drilling engineering and geologic conditions Section 1 Underground pressure feature (1)Different underground pressure (2)Underground pressure evaluation (3 Formation fracture pressure Section emphases: reservoir pressure, formation fracture pressure, formation stress prediction principle, test procedure Section difficulty: Abnormal formation pressure and evaluation Section 2: engineering mechanics natrue of rock (1) mechanical characteristic of rock (2)mechanical characteristic rock and the affecting factor in bottomhole condition (3) abrasiveness of rock (4) drilla bility of rock (5 hardness and plasticity factor test (experiment) Section emphases: mechanics nature of rock and the affecting factor, hardness and plasticity evaluation and its application Chapter 2 Drilling tools Section 1 drill bit (1 construction and work principal of blade bit (2) construction and work principal of cone bit (3) construction and work principal of diamond bit, PDc bit (4) bit type and classification Section emphases: cone bit, PDC bits construction and drilling principal Section difficulty: mechanism of cone bit sliping and its application Section 2: drill String (1) function and composition of drill string (2) mode of operation and force analysis of drill string Section emphases: The classification and construction of drill string, design basis of drii string, reason of drill string failure and its prevention Section difficulty: Mechanism analysis of column out of work Chapter 3 Drilling fluids Section 1 Definition and Function of Drilling fluids (1) Definition of Drilling fluids (2) Function of Drilling fluids Section 2 Composition and classification of Drilling fluids (1)Composition of Drilling fluids (2) Classification of Drilling fluid Section 3 Property Drilling fluids (1) Density of Drilling fluid (2)Rheology and its property Adjustment of Drilling fluids (3) Mud cake property and Fluid loss additive in Drilling fluid Section 4 Solids control of Drilling fluid 1) The influence of solid phase to ROP (2) Method of Solids control (3) The Solids control appliance of Drilling fluid (4)Polymeric Flocculant Section 5 Sloughing and caving Prevention measure (1) Indication and harm of Sloughing (2)Caving prevention measure Section 6 Reservoir damage and Completion fluids 1) Primary cause and damage prevention measure of Reservoir (2)Completion fluidsWell Drilling Engineering Programme English name: Well Dr illing Engineer ing Course number: 040135 Applicable specialties: Pet roleum Engineer ing Per iod:54 Credit: 3 Course category: Basic courses in subject Course Type: major course 1、Course Proper ty and Objective Dr illing engineer ing is one of the three major courses in PE, which is the Pet roleum Engineer ing requi rement course. The purpose is let student know oil-gas well dr illing's essential technology , equipment, downhole tools, master ing dr illing engineer ing's essential fundamental, theory and technology, understanding well dr illing development t rend, new technology and f rontier, preliminar ily possessed scientific research ability in dr illing engineer ing, and the ability of oil-field work. 2、Contents Chapter 1 Dr illing engineer ing and geologic conditions Section 1 Underground pressure feature (1) Different underground pressure (2) Underground pressure evaluation (3) Formation f racture pressure Section emphases: reservoi r pressure、formation f racture pressure、formation st ress、 prediction pr inciple、test procedure Section difficulty: Abnormal formation pressure and evaluation Section 2:engineer ing mechanics nat rue of rock (1) mechanical character istic of rock (2) mechanical character istic rock and the affecting factor in bottomhole condition (3) abrasiveness of rock (4) dr illability of rock (5) hardness and plasticity factor test (exper iment) Section emphases:mechanics nature of rock and the affecting factor, hardness and plasticity evaluation and its application. Chapter 2 Dr illing tools Section 1 dr ill bit (1) const ruction and work pr incipal of blade bit (2) const ruction and work pr incipal of cone bit (3) const ruction and work pr incipal of diamond bit, PDC bit (4) bit type and classification Section emphases:cone bit 、PDC bit's const ruction and dr illing pr incipal Section difficulty: mechanism of cone bit sliping and its application Section 2: dr ill St r ing (1) function and composition of dr ill st r ing (2) mode of operation and force analysis of dr ill st r ing Section emphases:The classification and const ruction of dr ill st r ing, design basis of dr ii st r ing, reason of dr ill st r ing failure and its prevention. Section difficulty:Mechanism analysis of column out of work. Chapter 3 Dr illing fluids Section 1 Definition and Function of Dr illing fluids (1) Definition of Dr illing fluids (2) Function of Dr illing fluids Section 2 Composition and Classification of Dr illing fluids (1) Composition of Dr illing fluids (2) Classification of Dr illing fluids Section 3 Proper ty Dr illing fluids (1) Density of Dr illing fluid (2) Rheology and its proper ty Adjustment of Dr illing fluids (3) Mud cake proper ty and Fluid loss additive in Dr illing fluid Section 4 Solids cont rol of Dr illing fluids (1) The influence of solid phase to ROP (2) Method of Solids cont rol (3) The Solids cont rol appliance of Dr illing fluid (4) Polymer ic Flocculant Section 5 Sloughing and caving Prevention measure (1) Indication and harm of Sloughing (2) Caving prevention measure Section 6 Reservoi r damage and Completion fluids (1) Pr imary cause and damage prevention measure of Reservoi r (2) Completion fluids