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Oil and Gas Production X-mas Tree Equipment

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Questions and Answers

What type of flange face is commonly used in process plant applications?

Raised Face (RF) (correct)
Ring-Type Joint (RTJ)
Flat Face
Metallic Face

Which valve type uses a hollow, perforated and pivoting ball to control flow through it?

Globe Valve
Butterfly Valve
Ball Valve (correct)
Gate Valve

In what type of applications are Ring Type Joint (RTJ) flanges typically used?

High-temperature applications
Low-pressure applications
Corrosive applications
High-pressure applications (correct)

Which valve type should not be used for regulating flow?

Gate Valve (D) Signup and view all the answers

What products are included in the downstream sector mentioned in the text?

Heating oil, fuel oils, and liquefied petroleum gas (B) Signup and view all the answers

What is the purpose of a throttling valve in a Naturally Flow Producing Well?

To regulate the flow of product (C) Signup and view all the answers

What is the main difference between Naturally Flow Producing Wells and Artificial Lift Wells?

Formation pressure requirement (C) Signup and view all the answers

Which type of well uses the original reservoir pressure to produce oil at a commercial rate without requiring a pump?

Naturally Flow Producing Wells (C) Signup and view all the answers

What is the purpose of a Safety Control Sub-Surface Safety Valve (SCSSV)?

To close the well in an emergency (A) Signup and view all the answers

How are most down hole safety valves controlled?

Hydraulically from the surface (B) Signup and view all the answers

What happens when hydraulic pressure is applied down a control line to the safety valve?

Forces a sleeve within the valve to slide downwards (D) Signup and view all the answers

What is the function of a Christmas tree (X-mas tree) in an oil well?

To isolate the reservoir fluids from the surface (C) Signup and view all the answers

What is the function of the Surface Safety Valve (SSV)?

To quickly shut down the well upstream in the event of overpressure or failure (C) Signup and view all the answers

What is the primary purpose of the Choke Valve?

To restrict, control or regulate the flow of hydrocarbons from the well (C) Signup and view all the answers

When would the Flowing Wing Valve (FWV) be used?

To permit the passage of well fluids to the choke (B) Signup and view all the answers

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 (A) Signup and view all the answers

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