Training & Development презентация

Basic Multiphase MPD Operations
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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?
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Pre-Test
Take 10 minutes to answer as many questions as you can on the pre-test.
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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.
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1. Multiphase MPD Drilling Fluid Systems
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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.
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Multiphase MPD Applications
Introduction
Define MPD
Define UBD
5
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Multiphase MPD Applications
Why use multiphase MPD?
5
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Multiphase MPD Applications
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
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Multiphase MPD Applications
Disadvantages of MPD
Increase in the amount of equipment
More complex drilling procedure
More personnel required
More complex hydraulic simulations
6
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Multiphase MPD Drilling Phases
Introduction
8
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Multiphase MPD Drilling Phases
Gas Phase
Single phase system
Advantage
Maximum ROP
Substantial savings
Multiphase System
Example gases
Air
Cryogenic nitrogen (expensive)
Membrane nitrogen
CO2
Exhaust gases
Natural gas
Disadvantages
Explosion
BHCT close to BHST
8
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Multiphase MPD Drilling Phases
Liquid Phase
9
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Service Gas: Nitrogen
Introduction
Cryogenic
Membrane generated
10
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Service Gas: Nitrogen
Cryogenic Nitrogen
10
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Service Gas: Nitrogen
10
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Service Gas: Nitrogen
Membrane Generated Nitrogen
11
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Service Gas: Nitrogen
Membrane Generated Nitrogen
Generation Process
11
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Service Gas: Nitrogen
Membrane Generated Nitrogen
Membrane System
12
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Service Gas: Air, Exhaust, Natural
Air
13
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Service Gas: Air, Exhaust, Natural
Exhaust Gas
14
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Service Gas: Air, Exhaust, Natural
Natural Gas
Use
Natural Gas Content
15
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Gas Liquid Mixtures
Introduction
16
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Gas Liquid Mixtures
Pure Gas or Mist
16
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Gas Liquid Mixtures
Mud Rings
17
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Gas Liquid Mixtures
Foam
17
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Gas Liquid Mixtures
Foam
18
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Gas Liquid Mixtures
Aerated Liquids
18
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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?
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Exercise: Chapter Review
Based on the information covered in the chapter, answer the questions.
19
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Chapter Objectives
Identify and explain the difference between single phase MPD, multiphase MPD and UBD.
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Chapter Objectives
Identify well conditions where multiphase MPD is used to drill.
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