Question 1
The function of the tubing head is to hang the tubing string inside the well.
A. True
B. False
View Answer
Answer: Option A
Explanation:
The statement is true. The function of the tubing head is to hang the tubing string inside the well. It also incorporates the attachment of the Christmas tree to the wellhead.
Question 2
The system of spools, adapters, and valves to control the pressure of a well in drilling and production operation is known as Wellhead Equipment.
A. True
B. False
View Answer
Answer: Option A
Explanation:
The statement is true. The system of spools, adapters, and valves to control the pressure of a well in drilling and production operation is known as Wellhead Equipment. It is the surface termination of a wellbore using which the casing hangers can be installed. It also incorporates the installation of the Christmas tree, tubing hanger also incorporates the hanging of the production tubing.
Question 3
What is a Back Pressure Valve?
A. It is a type of Check Valve
B. It is not used in the Oil and Gas Industry
C. Used inside the gate valve
D. Not used in multilateral wells
View Answer
Answer: Option A
Explanation:
Back Pressure Valve is a type of Check Valve used in Oil and Gas Industry. It is installed in the tubing hanger. The main purpose is to isolate the production tubing. It is designed in such a way that it restricts the pressure from below but yet enables the fluid to be pumped from above.
Question 4
What is a Choke or Bean?
A. Used to move tools on the surface
B. Used inside the packer
C. Used for lifting the pipe
D. Controls flow
View Answer
Answer: Option D
Explanation:
A choke is a flow control device provided after the wing valve to restrict, control and regulate the flow. Chokes can be a positive type or adjustable type. Positive chokes have an internal provision for receiving removable orifices of various sizes manually. Adjustable chokes adjustable choke has a stem with visible graduations indicating the effective orifice size for the fluid control.
Question 5
What is a Side Pocket Mandrel?
A. Used to house the gas-lift valve type devices
B. Used inside the packer
C. Controls the well blowout
D. Controls the lowering of strings
View Answer
Answer: Option A
Explanation:
Side Pocket Mandrel is a device used downhole to house or to store the gas-lift valve and similar type of device. Side Pocket Mandrel helps to make a communication with the annulus. It is useful for installing downhole valves.
Question 6
What is a tubing head?
A. It is the tubing hanger
B. Means of attaching the Christmas tree to the wellhead
C. It is found inside the separator
D. It is attached to the packer
View Answer
Answer: Option B
Explanation:
The Tubing head is a device that heads support the tubing string incorporates the attachment of the Christmas tree to the wellhead. The tubing head also supports the tubing string.
Question 7
What is an Adjustable choke?
A. Used to build up pressure above the bottom hole flowing pressure
B. This Choke can’t be adjusted
C. Used to control the pressure drop
D. It is used inside the packer
View Answer
Answer: Option C
Explanation:
The Adjustable Choke is a type of device used in well control operations. It is mainly used to reduce the high well pressure to atmospheric pressure in the surface facilities in the oil and gas industry. It is widely used to control the pressure drop.
Question 8
What is ASV in the oil and gas industry?
A. Armature Safety Valve
B. Anchor Safety Valve
C. Annular Surface Valve
D. Annulus Safety Valve
View Answer
Answer: Option D
Explanation:
The full form of ASV used in Oil and Gas industry is Annulus Safety Valve. The ASV is generally located at a shallow depth. The main purpose is to reduce the volume of gas stored inside the annulus and between the ASV and Wellhead.
Question 9
What is Kill Manifold?
A. Controls the fluid rate
B. Controls the rising of strings
C. Controls Kick and Blowout
D. Used in Perforating gun
View Answer
Answer: Option C
Explanation:
Kill Manifold is the main equipment to control the blowout. Kill Manifold is made up of Manual or Hydraulic Valves. It is used to pump down heavy drilling fluid into the well.
Question 10
When the Shut-in pressure exceeds 5000 psi then how many master valves are attached to the Christmas tree of the well?
A. 1
B. 2
C. 3
D. 4
View Answer
Answer: Option B
Explanation:
When the Shut-in pressure exceeds 5000 psi then 2 master valves are attached to the Christmas tree of the well. A master valve is attached to the Christmas tree. It controls the flow from the wellbore.