WorksheetsLife Cycle of Oil and Gas Field
Total questions: 13
Worksheet time: 9mins
(a) relies on underground pressure to drive fluids to the surface.
What does Gamma Ray (GR) log measure?
fluid type
shale content
sand content
size of wellbore
First casing placed into a wellbore is called...
Production casing
Cement
Surface casing
Conductor casing
What's the correct order of life cycle of oil/gas field?
Exploration → Development → Production → Abandonment
Exploration → Development→ Production → Appraisal → Abandonment
Appraisal → Exploration → Development → Production → Abandonment
Exploration → Appraisal → Development → Production → Abandonment
What does a company do when a field does not offer economics above and beyond the operating costs?
Pull out casings and plug wells with cement
Abandon the facilities as they are
Further produce oil/gas
License is kept by the company for auction
When does a company earn revenue?
Appraisal & Development
Development & Production
Appraisal, Development & Production
Production only
What does a geophysicist do?
Design wells
Use well data to find oil/gas resources
Estimate oil/gas recovery by studying reservoir characteristics
Use seismic data to find oil/gas resources
Wildcat well is...
An appraisal wells to conduct further studies
An exploratory well in underexplored areas
A production well to extract first oil
The last casing placed into a wellbore is...
(a)
Injector/injection wells are drilled to produce oil
True
False
Well engineer...
...designs, builds, maintains different types of wells
...analyses the chemical and physical properties of rocks and fluids such as well logging.
...studies reservoir from a geological point of view.
What are these called?
Bird
Rock samples
Core samples
Rock thin sections
Bonus question - what's my full name?
Farah Dayang
Hafizatul Fairuz @ Farah Haji Dayang
Hafizatul Fairuz Dayang
Dayang Hafizatul Fairuz @ Farah
