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Fundamentals of Drilling
Principles of Drilling
Fluid Technologypresentation No. 5
Fundamentals of Onshore Drilling
references:
• Bernt S. Aadnoy, Iain Cooper, Stefan Z. Miska, Robert F. Mitchell, Michael L. Payne:
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vance r ng an e ec no ogy. , : - - - - .
• Robello G. Samuel, Xiushan Liu: Advanced Drilling Engineering – Principles and
Design. Gulf Publishing Company, Houston Texas, 2009,
ISBN: 978-1-933762-34-0.
• Boyun Guo, Gefei Liu: Applied Drilling Circulation Systems (Hydraulics, Calculations
and Models). Gulf Publishing Company, Houston Texas, 2011,ISBN: 978-0-12-381957-4.
• Drilling Fluids Processing Handbook . Gulf Publishing Company, Houston Texas,
2004, ISBN: 978-0-7506-7775-2.
• Robello, R. G.: Downhole Drilling Tools. Gulf Publishing Company, Houston, Texas
2007, ISBN: 978-1933762135.
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Drilling Mud – Why do We Deal With?
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Technical Key Functions of Drilling Fluids
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Mud Properties Controlling Technical Key Functions
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Fundamentals of Cutting Transport
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Fundamentals of Cutting Transport
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Cutting Transport – The Role of Drilling Fluid Rheology
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Cutting Transport – The Role of Drilling Fluid Rheology
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Theory of Fluid Rheology
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Drilling Mud Viscosity – Measuring Equipment
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Drilling Mud Viscosity – Measuring Equipment
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Flow Models Describing Pseudoplastic Drilling Fluid Rheology
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Shear Thinning of Drilling Fluids – Influence on Drilling Process
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Influence of Yield Point on Cuttings Transport Efficiency
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Gel Building Properties of Drilling Fluids
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Optimizing Drilling Hydraulics
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Mud Additives Controlling Rheology
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State Diagram of Colloidal Montmorillonite Suspension in Water
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Support of the Borehole Wall – Balancing Formation Pressure
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Balancing FormationPressures
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Instruments for Measuring Mud Density
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Instruments for Measuring Mud Density
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Weighting Materials for Drilling Muds
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Solids Content and Mud Density for Various Weighting Materials
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Supporting the Borehole Wall – Hydraulic Casing Effect
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Filtercakes and Differential Sticking Mechanism
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Destabilisation of Red Shale Caused by Contact with Water
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Additives Controlling Filtration Properties and Free Water Activity
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Prevention of Lost Circulation – Factors to Consider
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Reducing Friction – Controlling Torque / Drag
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L b i i C ffi i f D illi M d
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Lubricity Coefficients of Drilling Muds
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I hibiti C i
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Inhibiting Corrosion
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M d Ci l ti S t d S lid C t l E i t
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Mud Circulation System and Solids Control Equipment
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M d Ci l ti S t d S lid C t l E i t
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Mud Circulation System and Solids Control Equipment
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Solids Removal by Hydrocyclones
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Solids Removal by Hydrocyclones
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Solids Removal by Decanting Centrifuges
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Solids Removal by Decanting Centrifuges
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Classification of Mud Systems
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Classification of Mud Systems
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Characterization of Mud Systems – Clean Water
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Characterization of Mud Systems – Clean Water
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Characterization of Mud Systems – Bentonite/Polymer Muds
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Characterization of Mud Systems Bentonite/Polymer Muds
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Typical Composition of Bentonit / Polymer Muds
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Typical Composition of Bentonit / Polymer Muds
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Characterisation of Mud Systems – Biopolymer Mud
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Characterisation of Mud Systems Biopolymer Mud
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Characterisation of Mud Systems – Oil Base Muds
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y
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Geoscientific Objectives Influenced by Mud Properties
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j y p
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THE END!!!
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