Литература по нефтяной
и газовой промышленности

Wolfgang F Prassl: Drilling Engineering

Авторы: Wolfgang F. Prassl

Название: Drilling Engineering

Формат: PDF

Размер: 14 Mb

 

Contents

1 Introduction
1.1 Objectives
1.2 General
1.3 Personal at rig site
1.4 Miscellaneous
2 Rotary Drilling Rig 5
2.1 Rig Power System
2.2 Hoisting System
2.2.1 Derrick
2.2.2 Block and Tackle
2.2.3 Drawworks
2.3 Rig Selection
2.4 Circulation System
2.4.1 Mud Pumps
2.5 The rotary System
2.5.1 Swivel
2.5.2 Kelly
2.5.3 Rotary Drive
2.6 Drilling Cost Analysis
2.6.1 Drilling Costs
2.6.2 Drilling Time
2.6.3 Tripping Time
2.7 Examples
3 Geomechanics
3.1 Geology Prediction
3.2 Pore pressure Prediction
3.2.1 Hydrostatic Pressure
3.3 Fracture Gradient Prediction
3.3.1 Interpretation of Field Data
3.4 Mud Weight Planning
3.5 Examples
4 Drilling Hydraulics
4.1 Hydrostatic Pressure Inside the Wellbore
4.2 Types of Fluid Flow
4.3 Rheological Classification of Fluids
4.4 Laminar Flow in Pipes and Annuli
4.5 Turbulent Flow in Pipes and Annuli
4.6 Pressure Drop Across Surface Connections
4.7 Pressure Drop Across Bit
4.8 Initiating Circulation
4.9 Optimization of Bit Hydraulics
4.10 Particle Slip Velocity
4.11 Surge and Swab Pressure
4.12 Examples
5 Drilling Bits
5.1 Drill Bit Types
5.1.1 Roller Cone Bit
5.1.2 Fixed Cutter Bit
5.1.3 Coring
5.2 Drill Bit Classification
5.2.1 Roller Bit Classification
5.2.2 Drag Bit Classification
5.3 Drill Bit Selection and Evaluation
5.3.1 ToothWear
5.3.2 BearingWear
5.3.3 GaugeWear
5.4 Factors that Affect the Rate Of Penetration
5.4.1 Bit Type
5.4.2 Formation Characteristics
5.4.3 Drilling Fluid Properties
5.4.4 Operating Conditions
5.4.5 BitWear
5.4.6 Bit Hydraulics
5.5 Examples
6 Drillstring Design
6.1 Drill Pipe Classification
6.2 Calculation of Neutral Point
6.3 Drillstring Design Calculations
6.3.1 Tension
6.3.2 Collapse
6.3.3 Biaxial Loading
6.3.4 Shock Loading
6.3.5 Torsion
6.4 Drillpipe Bending resulting from Tonging Operations
6.5 Selecting Drill Collar Weights
6.6 Stretch of Drillpipe
6.7 Critical Rotary Speeds
6.8 BottomHole Assembly Design
6.9 Placement of Stabilizers and Reamers
6.9.1 Building Assemblies
6.9.2 Holding Assemblies
6.9.3 Dropping Assemblies
6.9.4 WOB Increase
6.10 Dogleg Severity Analysis
6.11 Examples
7 Drilling Fluid
7.1 Functions of Drilling Mud
7.2 Types of Drilling Mud
7.2.1 Water-base Muds
7.2.2 Oil-base Muds
7.3 Mud Calculations
7.4 Recommended Mud Flow Properties
7.5 Examples
8 Casing Design
8.1 Casing Types
8.1.1 Conductor Casing
8.1.2 Surface Casing
8.1.3 Intermediate Casing
8.1.4 Production Casing
8.1.5 Liners
8.2 Casing Setting Depths
8.3 Casing Connections
8.4 API Casing Performance Properties
8.5 General Casing Design Criteria
8.6 Graphical Method for Casing Design
8.7 Maximum Load Casing Design for Intermediate Casing
8.8 Casing Centralizer Spacings
8.9 Stretch in Casing
8.10 Examples
9 Directional Drilling and Deviation Control
9.1 Mayor Types ofWellbore Trajectories
9.2 Trajectory Calculation
9.3 Calculating the Survey of a Well
9.3.1 Average anglemethod
9.3.2 Radius of curvaturemethod
9.3.3 Minimum Curvature Method
9.4 Dogleg Severity Calculations
9.5 Deflection Tools and Techniques
9.5.1 Natural Formation Effects
9.5.2 Hydraulic Method (Jetting)
9.5.3 Mechanical Methods
9.6 While Drilling Techniques
9.6.1 Measurement While Drilling
9.6.2 Logging While Drilling
9.6.3 Data Transfer
9.7 Examples
10 Borehole Problems
10.1 Differential Pipe Sticking
10.2 Free Point Calculation
10.3 Freeing Differentially Stuck Pipe
10.3.1 Spotting Organic Fluids
10.3.2 Hydrostatic Pressure Reduction

10.3.3 Backoff Operations

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