Podcast
Questions and Answers
Which control line is used to operate the subsurface safety valves (SSVs)?
Which control line is used to operate the subsurface safety valves (SSVs)?
What is the main function of a packer in a well completion process?
What is the main function of a packer in a well completion process?
What happens to the SCSSV (Subsurface safety valve) when there is something wrong with the surface equipment?
What happens to the SCSSV (Subsurface safety valve) when there is something wrong with the surface equipment?
What keeps the packer open during normal fluid flow in the well?
What keeps the packer open during normal fluid flow in the well?
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Which part of the tubing string is responsible for protection against well pressure and corrosion?
Which part of the tubing string is responsible for protection against well pressure and corrosion?
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What is the primary purpose of gas lift gas valves in a well completion process?
What is the primary purpose of gas lift gas valves in a well completion process?
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'Retrievable' and 'Permanent' are types of which component in the well completion process?
'Retrievable' and 'Permanent' are types of which component in the well completion process?
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'SSSV' stands for:
'SSSV' stands for:
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Study Notes
Functions of Tubing
- Used for production
- Acts as a killing string
- Used for injection of chemicals
- Can accommodate gas lift gas valves to assist well liquids to the surface (gas lifting process)
Considerations for Tubing in Completion
- Tubing strength
- Tubing connection
- Tubing movement
Subsurface Safety Valves (SSSV)
- Installed in the tubing string below or near the surface
- Controlled by hydraulic pressure through a capillary (control) line connected to a surface control panel
- Normally closed (failsafe) valve that requires continuous hydraulic pressure to keep it open
- Remains open during normal fluid flow and closes when surface equipment fails
Packers
- A device made of metal and rubber that fits around the tubing
- Provides a seal between the inside of the production casing and outside of the tubing string
- Must not restrict normal production flow
- Types of packers: retrievable, isolation, and production (A- Retrievable, B- Permanent)
- Functions:
- Protects casing from well pressure and corrosion
- Used for subsurface well control
- Used as an anchor for the tubing
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Description
Test your knowledge on well completion equipment such as packers, tubing, and subsurface safety valves. Learn about the functions and applications of different components in oil and gas wells.
