Introductions
Drilling Technology Overview
UnderBalanced Operations (UBO)
Definitions, Concept and Application
Candidate I.D./ Technique Selection
Hydraulics/Hole Cleaning
Determining the Operational Window
Operational Techniques
UBO Equipment
RCDs, Flow Chokes, Separators
Surface Fluid Handling Equipment and Layout
Flow Path Design
Flow Drilling
Gasified Fluids
Case History; UBO Operations
Managed Pressure Drilling (MPD)
MPD Overview
Concept and Technique Selection
Basis Of Design (Design & Operational Elements)
Elements of Hydrodynamic Modeling
Required Surface Equipment
Configuration
Flow Paths
Offshore Floaters
Surface Monitoring
MPD Variations
Varying Pressure
CBHP and Advanced MPD Techniques
PCP (Point of Constant Pressure)
MPD Sample Hydraulic Design
Fluid Type Selection
Use of Hydraulic Simulator Software
Determining Optimum Flow Rates
Case History: Several Onshore and Offshore Examples
Mud Cap Operations
Concept / Applications
System Design and Equipment Layout
Mudcap Fluids and Volume Calculations
Mudcap Operations
High Pressure Mudcap
MPD Connections and Tripping
MPD and UBO Completions Guidelines
Transitioning to and from MPD
UBO/MPD Hydraulic Design Using ERDS Software
Case History: Australia MUDCAP, Makassar Straight
PMCD
Dual Gradient
Concept / Applications - RMR
Reel Well
EC-Drill
Case History; Generic Examples
Casing Drilling
Overview and Applications
Casing Drilling Systems
TESCO “Casing Drilling”
WEATHERFORD “Drilling with Casing”
BAKER “EZ Drill”
Casing Drilling Cont.’
Casing Drilling Systems
TESCO “Casing Drilling”
WEATHERFORD “Drilling with Casing”
BAKER “EZ Drill”
Design Elements
Candidate Identification
Casing and Connection Considerations
Hydraulics
Bits (Drill Shoes) and BHAs
Casing Drilling Mechanics
Case History: Conoco Phillips Lobo Field South Texas
Unconventional Plays
Current status of development in Lower 48
Economic Impact
Combining Horizontal / ERD Drilling and Frac Technologies
Drilling Issues
Shale Play Completions
Multi-stage Isolation / Frac
Completion Equipment Systems
Case History: Cheyenne Petroleum, “Eagleford Shale”
HP/HT Operations
Definitions and HP/HT Challenges (limitation for HT)
Planning Issues
Pore Pressure / Fracture Gradient (Narrow Margins)
Casing program Options
Wellbore ballooning / fracture charging
Effects of temperature on well design and mud properties
Dynamic & static volumetric well control techniques / bullheading
Rig Issues
Rig Component Requirements
Pre job rig inspections
Well Control Issues
Kick prevention and detection in HP/HT wells
Kill Methods
BOP Equipment
Surface Pressure Limitations
Drilling Fluid Issues
Stability and Density Issues
Oil Mud Advantages
Testing
Mud Coolers (Chillers)
Drilling Operation and Contingencies
Downhole Drilling Tools (MWD/LWD etc.) Limitations
Some Completion Issues
Intelligent Completions
Definitions and Concept (Digital oil field)
IC Candidates - Reservoir Analysis and Completion Design
Completion Equipment Systems
Electoric system
Hydraulic system
Real-Time Sensors for Flow, Temperature and Pressure
Electoric control system
Optical control system
Remote and Real-Time Monitoring and Control (Well Inflow and Injection)
IC System Vendors
Major Service Companies
Case Study Example:
Expandable CSG
Concept & Applications
Baker
Weatherford
Enventrure
Slimhole Drilling
Definitions and Concept
CT drilling
Small bit issue
New Bit
Definitions & Applications
Hybrid and Special Purpose Bits
Particle Impact Drilling (PID)
High performance mud ( Basic Introduction )
Definitions & Applications
Comparision with OBM / SBM
Wrap-Up and Closing
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