3185884
Description
Mind Map by Hoa Truong, updated more than 1 year ago
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Created by Hoa Truong
over 8 years ago
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LEC 1-DRILLING
- WHY
- only way to bring oil+gas->surface
- only way to direct locate HC +its
flowrate
- sampling subsurface geology
- extract+inject fluid
- world need for energy, 30
billions bbl/year (2010)
- 450 years worth of plants
burn/year in fossil fuel
- 450 years worth of plants
burn/year in fossil fuel
- only way to bring oil+gas->surface
- HISTORY
- 1st commercial oil productn.:
27/08/1859 Drake Well, Pennsylvania
- oil for light until light bulb invent 1878
- late 1800s, oil: car fuels,ship,
plane,locomotive energy
- late 1800s, oil: car fuels,ship,
plane,locomotive energy
- oil for light until light bulb invent 1878
- 1st commercial oil productn.:
27/08/1859 Drake Well, Pennsylvania
- politic<=>Price<=>supply/demand<=>
drilling activity
- Deep water,
extreme temp,
remote areas
drilling
- >cost, >complicated, risky,
temp decrease at sea
bed->viscosity+transport
- >cost, >complicated, risky,
temp decrease at sea
bed->viscosity+transport
- EXPLORATION
- DRILLING
- COMPLETION
- PRODUCTION
- complete drill for
well efficient+
exact fluid
- PRODUCTION
- COMPLETION
- DRILLING
- Drilling engineer
- Casting Program
- Mud program
- Drilling hydrolic +solid
control program
- site, rig, well path plan
- specific specialist
equipment needed
- Well control
- Monitor, drill bit, rig selection
- Fishing operation
- Evaluation program
- maintain regulatory compliance
- maintain regulatory compliance
- Evaluation program
- Fishing operation
- Monitor, drill bit, rig selection
- Well control
- specific specialist
equipment needed
- site, rig, well path plan
- Drilling hydrolic +solid
control program
- completion
- cementation
- Mud program
- making hole-
ready for
completion
- Casting Program
- WELLS
- Types
- 1. Wildcat/Explor.n Well
- prove existance
HC, collect info-
tests- understand
reservoir-
stimulate models
subsurface
physical map- cal.
~oil/gas
commercial
- prove existance
HC, collect info-
tests- understand
reservoir-
stimulate models
subsurface
physical map- cal.
~oil/gas
commercial
- 2. Appraisal/
Evaluation Well
- define abundant
+ deposition of
reservoir,
rock+fluid
properties, flow
press.
production
capacity, analyse
cooring+ logging
- costly, time
consuming, test while
drill for data
- define abundant
+ deposition of
reservoir,
rock+fluid
properties, flow
press.
production
capacity, analyse
cooring+ logging
- 3.
Development/
Production
Well
- drill for just prod.n, some testing
- improve models, monitor
- less cost
- drill for just prod.n, some testing
- improve models, monitor
- different types
require different
equip, design,risk
- 1. Wildcat/Explor.n Well
- Types
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