Training & Development

1.

Training & Development
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2. Basic Multiphase MPD Operations

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Slide 2
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3. Before We Start: Your Safety is Our Primary Concern

CPR-certified volunteer?
Who wants to call 5-911?
Who would be our Runner?
Is there an AED nearby?
Volunteer?
Where are the exits?
Where is the Muster Point?
Are there any schedules drills
today?
Other essential information:
– Bathrooms are where?
– Kitchen/coffee/drink area?
– Smoking area?
Slide 3
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4. Pre-Test

Take 10 minutes to answer as many questions as you can on
the pre-test.
Slide 4
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5. Course Objectives

Identify and explain basic multiphase MPD drilling fluid
systems.
Identify and explain the equipment used in multiphase MPD
and how it works.
Identify and explain the basic operating procedures for a
multiphase MPD operation.
Identify and explain operational considerations for a
multiphase MPD operation.
Slide 5
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6. 1. Multiphase MPD Drilling Fluid Systems

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Slide 6
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7. Chapter Objectives

Identify and explain the difference between single phase
MPD, multiphase MPD and UBD.
Identify well conditions where multiphase MPD is used to
drill.
Identify and explain the different fluid systems used in
multiphase MPD.
Slide 7
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8. Multiphase MPD Applications

5
Introduction
Define MPD
Define UBD
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Slide 8
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9. Multiphase MPD Applications

5
Why use multiphase MPD?
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Slide 9
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10. Multiphase MPD Applications

Slide 10
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Advantages of MPD
Increase ROP
Decrease lost circulation incidents
Reduce drilling down time
Eliminate or minimize casing strings
Provide ability to drill through transition zones
Reduces skin damage in target production zone
Increases production rate
Increases recoverable fluids
5

11. Multiphase MPD Applications

6
Disadvantages of MPD
Increase in the amount of equipment
More complex drilling procedure
More personnel required
More complex hydraulic simulations
Slide 11
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12. Multiphase MPD Drilling Phases

8
Introduction
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Slide 12
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13. Multiphase MPD Drilling Phases

8
Multiphase MPD Drilling Phases
Gas Phase
Single phase system
Multiphase System
– Example gases
Maximum ROP
Substantial savings
Air
Cryogenic nitrogen (expensive)
Membrane nitrogen
CO2
Exhaust gases
Natural gas
– Disadvantages
Slide 13
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Explosion
BHCT close to BHST
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– Advantage

14. Multiphase MPD Drilling Phases

9
Liquid Phase
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Slide 14
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15. Service Gas: Nitrogen

10
Service Gas: Nitrogen
Introduction
Cryogenic
Membrane generated
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Slide 15
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16. Service Gas: Nitrogen

10
Service Gas: Nitrogen
Cryogenic Nitrogen
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Slide 16
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17. Service Gas: Nitrogen

10
Service Gas: Nitrogen
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Slide 17
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18. Service Gas: Nitrogen

11
Service Gas: Nitrogen
Membrane Generated Nitrogen
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Slide 18
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19. Service Gas: Nitrogen

11
Service Gas: Nitrogen
Membrane Generated Nitrogen
Generation Process
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Slide 19
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20. Service Gas: Nitrogen

12
Service Gas: Nitrogen
Membrane Generated Nitrogen
Membrane System
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Slide 20
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21. Service Gas: Air, Exhaust, Natural

13
Air
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Slide 21
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22. Service Gas: Air, Exhaust, Natural

14
Exhaust Gas
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Slide 22
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23. Service Gas: Air, Exhaust, Natural

15
Service Gas: Air, Exhaust, Natural
Natural Gas
Use
Natural Gas Content
Hydrocarbons
Methane
Ethane
Propane
Butanes
Pentanes
Hexanes
Heptane
% by Weight
70-98
01-10
Trace-5
Trace-2
Trace-1
Trace-0.5
Trace-0.5
Non-hydrocarbons
Nitrogen
Carbon Dioxide
Hydrogen Sulfide
Helium
Slide 23
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% by Weight
Trace-15
Trace-5
Trace-3
Trace or none
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24. Gas Liquid Mixtures

16
Gas Liquid Mixtures
Introduction
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Slide 24
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25. Gas Liquid Mixtures

16
Gas Liquid Mixtures
Pure Gas or Mist
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Slide 25
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26. Gas Liquid Mixtures

17
Gas Liquid Mixtures
Mud Rings
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Slide 26
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27. Gas Liquid Mixtures

17
Gas Liquid Mixtures
Foam
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Slide 27
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28. Gas Liquid Mixtures

18
Gas Liquid Mixtures
Foam
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Slide 28
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29. Gas Liquid Mixtures

18
Gas Liquid Mixtures
Aerated Liquids
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Slide 29
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30. Multiphase MPD Applications

Discussion:
Is the MPD crew the only one involved in multiphase MPD
operations?
What are the consequences if one of the team players doesn’t
fulfill his / her tasks correctly?
Slide 30
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31. Exercise: Chapter Review

Based on the information covered in the chapter, answer the
questions.
Slide 31
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19

32. Chapter Objectives

Identify and explain the difference between single phase
MPD, multiphase MPD and UBD.
Slide 32
© 2010 Schlumberger. All rights reserved.
Schlumberger-Private

33. Chapter Objectives

Identify well conditions where multiphase MPD is used to
drill.
Slide 33
© 2010 Schlumberger. All rights reserved.
Schlumberger-Private

34. Chapter Objectives

Identify and explain the different fluid systems used in
multiphase MPD.
Slide 34
© 2010 Schlumberger. All rights reserved.
Schlumberger-Private