presentation no 5
TRANSCRIPT
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 1/45
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:
1
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.
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 2/45
Drilling Mud – Why do We Deal With?
2
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 3/45
Technical Key Functions of Drilling Fluids
3
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 4/45
Mud Properties Controlling Technical Key Functions
4
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 5/45
Fundamentals of Cutting Transport
5
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 6/45
Fundamentals of Cutting Transport
6
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 7/45
Cutting Transport – The Role of Drilling Fluid Rheology
7
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 8/45
Cutting Transport – The Role of Drilling Fluid Rheology
8
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 9/45
Theory of Fluid Rheology
9
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 10/45
Drilling Mud Viscosity – Measuring Equipment
10
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 11/45
Drilling Mud Viscosity – Measuring Equipment
11
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 12/45
Flow Models Describing Pseudoplastic Drilling Fluid Rheology
12
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 13/45
Shear Thinning of Drilling Fluids – Influence on Drilling Process
13
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 14/45
Influence of Yield Point on Cuttings Transport Efficiency
14
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 15/45
Gel Building Properties of Drilling Fluids
15
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 16/45
Optimizing Drilling Hydraulics
16
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 17/45
Mud Additives Controlling Rheology
17
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 18/45
State Diagram of Colloidal Montmorillonite Suspension in Water
18
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 19/45
Support of the Borehole Wall – Balancing Formation Pressure
19
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 20/45
Balancing FormationPressures
20
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 21/45
Instruments for Measuring Mud Density
21
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 22/45
Instruments for Measuring Mud Density
22
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 23/45
Weighting Materials for Drilling Muds
23
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 24/45
Solids Content and Mud Density for Various Weighting Materials
24
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 25/45
Supporting the Borehole Wall – Hydraulic Casing Effect
25
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 26/45
Filtercakes and Differential Sticking Mechanism
26
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 27/45
Destabilisation of Red Shale Caused by Contact with Water
27
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 28/45
Additives Controlling Filtration Properties and Free Water Activity
28
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 29/45
Prevention of Lost Circulation – Factors to Consider
29
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 30/45
Reducing Friction – Controlling Torque / Drag
30
L b i i C ffi i f D illi M d
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 31/45
Lubricity Coefficients of Drilling Muds
31
I hibiti C i
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 32/45
Inhibiting Corrosion
32
M d Ci l ti S t d S lid C t l E i t
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 33/45
Mud Circulation System and Solids Control Equipment
33
M d Ci l ti S t d S lid C t l E i t
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 34/45
Mud Circulation System and Solids Control Equipment
34
Solids Removal by Hydrocyclones
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 35/45
Solids Removal by Hydrocyclones
35
Solids Removal by Decanting Centrifuges
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 36/45
Solids Removal by Decanting Centrifuges
36
Classification of Mud Systems
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 37/45
Classification of Mud Systems
37
Characterization of Mud Systems – Clean Water
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 38/45
Characterization of Mud Systems – Clean Water
38
Characterization of Mud Systems – Bentonite/Polymer Muds
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 39/45
Characterization of Mud Systems Bentonite/Polymer Muds
39
Typical Composition of Bentonit / Polymer Muds
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 40/45
Typical Composition of Bentonit / Polymer Muds
40
Characterisation of Mud Systems – Biopolymer Mud
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 41/45
Characterisation of Mud Systems Biopolymer Mud
41
Characterisation of Mud Systems – Oil Base Muds
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 42/45
y
42
Geoscientific Objectives Influenced by Mud Properties
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 43/45
j y p
43
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 44/45
THE END!!!
44
7/29/2019 Presentation No 5
http://slidepdf.com/reader/full/presentation-no-5 45/45
45