Quiz

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Which drive mechanism is primarily used for gas reservoirs?

Solution Gas Drive

Immiscible Water and/or Gas injection

Pressure depletion (correct)

Water-drive

What is the purpose of tertiary recovery in reservoir development?

To increase the reservoir's energy (correct)

To reduce hydrocarbon viscosity

To change the flow paths

To improve sweep and drainage efficiency

Which method is NOT used in tertiary recovery?

Chemical flooding

Gas Injection

Horizontal wells (correct)

Water Injection

Which factor is associated with viscous fingering at high Mobility ratios?

Mobility = 2.4 Signup and view all the answers

What is the range of macroscopic sweep efficiency mentioned in the text?

0.1-0.7 PV Signup and view all the answers

What is the average recovery factor for the largest Norwegian oil fields?

47% Signup and view all the answers

Which drive mechanism requires a reservoir in communication with an aquifer?

Water drive Signup and view all the answers

What is the primary recovery factor range for solution drive?

5-30% Signup and view all the answers

What is the primary recovery factor range for gas cap drive?

20-50% Signup and view all the answers

What is the primary recovery factor range for water drive?

35-75% Signup and view all the answers

Which method is used in primary recovery?

Depletion drive Signup and view all the answers

What is the typical compressibility of gas compared to water?

Gas compressibility is lower than water Signup and view all the answers

What is the gas formation volume factor (BG)?

The ratio of reservoir volume to surface volume Signup and view all the answers

What is the main challenge in gas field development?

Ensuring a sustainable plateau production rate Signup and view all the answers

Which drive mechanism is associated with pressure depletion in gas reservoirs?

Gas Cap Drive Signup and view all the answers

Which recovery method involves changing the flow paths and fluid properties of the reservoir?

Tertiary Recovery Signup and view all the answers

What is the primary recovery method that utilizes the reservoir's own energy?

Primary Depletion Signup and view all the answers

Which drive mechanism requires a reservoir in communication with an aquifer?

Water drive Signup and view all the answers

What is the primary recovery factor range for solution drive?

5-30% Signup and view all the answers

What is the primary recovery factor range for gas cap drive?

20-50% Signup and view all the answers

What is the primary recovery factor range for water drive?

35-75% Signup and view all the answers

Which recovery mechanism is primarily used in the largest Norwegian oil fields?

Water drive Signup and view all the answers

What is the range of pore volumes injected for different mobility ratios mentioned in the text?

0.4 to 71 Signup and view all the answers

What is the average recovery factor for the 25 largest Norwegian oil fields?

47% Signup and view all the answers

Which drive mechanism is commonly used for gas reservoirs?

Solution gas drive Signup and view all the answers

What is the typical gas compressibility compared to water?

5x10-4 psi-1 Signup and view all the answers

What is the gas formation volume factor (BG)?

The volume in barrels that one standard cubic feet of gas occupies as free gas in the reservoir. Signup and view all the answers

Which gas field is currently being considered as a potential CO2 sequestration site and/or storage site for green hydrogen?

Kinsale Head Signup and view all the answers

Which drive mechanism is commonly used for primary recovery in gas reservoirs?

Pressure depletion Signup and view all the answers

What is the primary recovery factor range for water drive?

50-60% Signup and view all the answers

What is the main challenge in gas field development?

Low permeability of gas reservoirs Signup and view all the answers

Which drive mechanism requires a reservoir in communication with an aquifer?

Water drive Signup and view all the answers

What is the primary recovery factor range for solution drive?

5-30% Signup and view all the answers

Which factor is associated with viscous fingering at high Mobility ratios?

Mobility ratio Signup and view all the answers

What is the primary recovery factor range for water drive?

35-75% Signup and view all the answers

Which drive mechanism is commonly associated with pressure depletion in gas reservoirs?

Gas cap drive Signup and view all the answers

What is the primary recovery factor range for gas cap drive?

50-60% Signup and view all the answers

What is the purpose of tertiary recovery in reservoir development?

To improve sweep efficiency Signup and view all the answers

Which drive mechanism is commonly used for oil reservoirs with an initial gas cap?

Depletion drive Signup and view all the answers

Which gas field in the North Celtic Sea Basin has been used for gas storage and is currently being considered as a potential site for CO2 sequestration and/or storage of green hydrogen?

Quiz

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Questions and Answers

Which drive mechanism is primarily used for gas reservoirs?

What is the purpose of tertiary recovery in reservoir development?

Which method is NOT used in tertiary recovery?

Which factor is associated with viscous fingering at high Mobility ratios?

What is the range of macroscopic sweep efficiency mentioned in the text?

What is the average recovery factor for the largest Norwegian oil fields?

Which drive mechanism requires a reservoir in communication with an aquifer?

What is the primary recovery factor range for solution drive?

What is the primary recovery factor range for gas cap drive?

What is the primary recovery factor range for water drive?

Which method is used in primary recovery?

What is the typical compressibility of gas compared to water?

What is the gas formation volume factor (BG)?

What is the main challenge in gas field development?

Which drive mechanism is associated with pressure depletion in gas reservoirs?

Which recovery method involves changing the flow paths and fluid properties of the reservoir?

What is the primary recovery method that utilizes the reservoir's own energy?

Which drive mechanism requires a reservoir in communication with an aquifer?

What is the primary recovery factor range for solution drive?

What is the primary recovery factor range for gas cap drive?

What is the primary recovery factor range for water drive?

Which recovery mechanism is primarily used in the largest Norwegian oil fields?

What is the range of pore volumes injected for different mobility ratios mentioned in the text?

What is the average recovery factor for the 25 largest Norwegian oil fields?

Which drive mechanism is commonly used for gas reservoirs?

What is the typical gas compressibility compared to water?

What is the gas formation volume factor (BG)?

Which gas field is currently being considered as a potential CO2 sequestration site and/or storage site for green hydrogen?

Which drive mechanism is commonly used for primary recovery in gas reservoirs?

What is the primary recovery factor range for water drive?

What is the main challenge in gas field development?

Which drive mechanism requires a reservoir in communication with an aquifer?

What is the primary recovery factor range for solution drive?

Which factor is associated with viscous fingering at high Mobility ratios?

What is the primary recovery factor range for water drive?

Which drive mechanism is commonly associated with pressure depletion in gas reservoirs?

What is the primary recovery factor range for gas cap drive?

What is the purpose of tertiary recovery in reservoir development?

Which drive mechanism is commonly used for oil reservoirs with an initial gas cap?

Which gas field in the North Celtic Sea Basin has been used for gas storage and is currently being considered as a potential site for CO2 sequestration and/or storage of green hydrogen?

What is the typical gas compressibility compared to water?

What is the gas formation volume factor (BG) for gas reservoirs?

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