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Rig Selection and basic planning steps
Exploration and production licences
Exploration, development and abandonment
Well planning and design
Drilling pipes, casing, collar, kelly, tubing
Oil & gas delivery pipes
Drilling bits
Drilling personnel
Drilling economics
Drilling cost estimates
Communications and safety issues
Crisis management
Risk evaluation
Risk definition
Mapping of HSE & risks
Cause assessment
HSE analysis
Risk reduction
Barriers
Accidents
Offshore blowouts
Economics in accidents
Collapse of rigs
Sunk rigs
Pressure in fluids at rest
Hydrostatic pressure
Atmospheric pressure
Pore pressure
Darcy`s law
Hole sections and well trajectory
Units
Primary well control
Secondary well control
Tertiary well control
Formation pressure
Normal formation pressure
Abnormal pressure
Salt beds
Mineralisation
Tectonic causes
Formation fracture pressure
Leak-off tests and procedure
Rig components
Introduction to petroleum geology
     o Sedimentology
     o Classification of sedimentary rocks
     o Texture in granular sediments
     o Grain size
     o Sorting
     o Grain shape
     o Packing
     o Sand and sandstone and classification
     o Porosity
     o Permeability
     o Controls on Porosity and Permeability
     o Diagenesis
     o Changes of porosity with burial depth
Completion/ workover fluids
Foam drilling fluids
Oil based muds
Synthetics
Water based muds
Casing
     o Conductor
     o Suface casing
     o Intermediate casing
     o Production casing
Liner
Sementing
Wire line operations
Measurement while drilling
     o Systems
     o Directional tools
     o Gamma ray tools
     o NGT tool
     o SP log
     o Sonic tool
     o Density tool
     o Neutron tool
Daily drilling report
Material balance equations
Drilling fluid economics
Drilling fluid properties
Pressure
Hydrostatic pressure
Pump pressure
Imposed pressure
Pressure imposed by the pump
Pressure imposed by the formation
Kicks
Swabbing of formation fluids into the borehole
Insufficient mud density
Poor well planning
Lost circulation
Recognition of kicks
HPHT subsea technology

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Drilling seminar Sigve Hamilton Aspelund

  • 1. Rig Selection and basic planning steps Exploration and production licences Exploration, development and abandonment Well planning and design Drilling pipes, casing, collar, kelly, tubing Oil & gas delivery pipes Drilling bits Drilling personnel Drilling economics Drilling cost estimates Communications and safety issues Crisis management Risk evaluation Risk definition Mapping of HSE & risks Cause assessment HSE analysis Risk reduction Barriers Accidents Offshore blowouts Economics in accidents Collapse of rigs Sunk rigs Pressure in fluids at rest Hydrostatic pressure Atmospheric pressure Pore pressure Darcy`s law Hole sections and well trajectory Units Primary well control Secondary well control Tertiary well control Formation pressure Normal formation pressure Abnormal pressure Salt beds Mineralisation Tectonic causes
  • 2. Formation fracture pressure Leak-off tests and procedure Rig components Introduction to petroleum geology o Sedimentology o Classification of sedimentary rocks o Texture in granular sediments o Grain size o Sorting o Grain shape o Packing o Sand and sandstone and classification o Porosity o Permeability o Controls on Porosity and Permeability o Diagenesis o Changes of porosity with burial depth Completion/ workover fluids Foam drilling fluids Oil based muds Synthetics Water based muds Casing o Conductor o Suface casing o Intermediate casing o Production casing Liner Sementing Wire line operations Measurement while drilling o Systems o Directional tools o Gamma ray tools o NGT tool o SP log o Sonic tool o Density tool o Neutron tool Daily drilling report Material balance equations
  • 3. Drilling fluid economics Drilling fluid properties Pressure Hydrostatic pressure Pump pressure Imposed pressure Pressure imposed by the pump Pressure imposed by the formation Kicks Swabbing of formation fluids into the borehole Insufficient mud density Poor well planning Lost circulation Recognition of kicks HPHT subsea technology