16 Questions
What type of flange face is commonly used in process plant applications?
Raised Face (RF)
Which valve type uses a hollow, perforated and pivoting ball to control flow through it?
Ball Valve
In what type of applications are Ring Type Joint (RTJ) flanges typically used?
High-pressure applications
Which valve type should not be used for regulating flow?
Gate Valve
What products are included in the downstream sector mentioned in the text?
Heating oil, fuel oils, and liquefied petroleum gas
What is the purpose of a throttling valve in a Naturally Flow Producing Well?
To regulate the flow of product
What is the main difference between Naturally Flow Producing Wells and Artificial Lift Wells?
Formation pressure requirement
Which type of well uses the original reservoir pressure to produce oil at a commercial rate without requiring a pump?
Naturally Flow Producing Wells
What is the purpose of a Safety Control Sub-Surface Safety Valve (SCSSV)?
To close the well in an emergency
How are most down hole safety valves controlled?
Hydraulically from the surface
What happens when hydraulic pressure is applied down a control line to the safety valve?
Forces a sleeve within the valve to slide downwards
What is the function of a Christmas tree (X-mas tree) in an oil well?
To isolate the reservoir fluids from the surface
What is the function of the Surface Safety Valve (SSV)?
To quickly shut down the well upstream in the event of overpressure or failure
What is the primary purpose of the Choke Valve?
To restrict, control or regulate the flow of hydrocarbons from the well
When would the Flowing Wing Valve (FWV) be used?
To permit the passage of well fluids to the choke
What is the purpose of the Upper Master Valve (UMV) on a Christmas Tree?
To be used as an emergency shut-in system on moderate to high pressure wells
Test your knowledge about X-mas trees in oil and gas production. Learn about their functions, types, and applications in well servicing and fluid flow control.
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