Petroleum Technology: Water Injection Principles Quiz

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What is the advantage of using aquifer water for oil recovery?

Purity and chemical compatibility (correct)
Offshore availability
Need for extensive treatment
High concentration of algae

Why is filtering, deoxygenation, and biociding generally required for seawater used in oil recovery?

To increase chemical compatibility
To decrease purity
To reduce the concentration of algae (correct)
To enhance offshore availability

What is the primary function of the water injection surface facility in oil recovery?

Increase algae concentration
Prepare the water chemically (correct)
Extract oil from the reservoir
Reduce chemical compatibility

Where are water injection wells commonly found?

Both on- and offshore (B) Signup and view all the answers

What is the purpose of drilling a water injector well in oil recovery?

To increase oil recovery from existing reservoirs (D) Signup and view all the answers

Why are seawater sources preferred for offshore production facilities?

Convenience (A) Signup and view all the answers

What is the primary purpose of water injection in the oil and gas industry?

To maintain reservoir pressure and drive oil towards the production wells (B) Signup and view all the answers

Which of the following is NOT a type of well mentioned in the text?

Steam injection well (D) Signup and view all the answers

What is the term used to describe the process of injecting water into an oil reservoir?

Waterflooding (A) Signup and view all the answers

Which of the following is NOT a reason for using water injection in oil and gas operations?

To enhance natural gas production (D) Signup and view all the answers

What type of recovery technique is water injection considered?

Secondary recovery (A) Signup and view all the answers

Which of the following is NOT mentioned as a source of water for water injection operations?

Desalinated seawater (C) Signup and view all the answers

What is the primary purpose of filters in water injection surface facilities?

To remove impurities like sediments, sand, algae, and other biological matter (B) Signup and view all the answers

What is the typical order of filtration in water injection surface facilities?

Coarse filters, fine filters, de-oxygenation tower (C) Signup and view all the answers

Which type of filter is commonly used in water injection surface facilities?

Sand filters (C) Signup and view all the answers

What is the purpose of the de-oxygenation tower in water injection surface facilities?

To remove dissolved oxygen from the water (A) Signup and view all the answers

According to the mesh screen size chart, what is the particulate size range for a mesh size of 48?

0.012" (B) Signup and view all the answers

What type of equipment is used for chemical injection in water injection surface facilities?

Chemical injection pumps (D) Signup and view all the answers

What is the primary purpose of maintaining gas blankets on all tanks in produced-water systems?

To exclude oxygen from the produced-water systems (D) Signup and view all the answers

Which of the following is NOT a method capable of removing dissolved gases such as ammonia, H2S, or CO2 from water sources?

Reverse osmosis (B) Signup and view all the answers

Where are the high-pressure, high-flow water injection pumps typically placed in relation to the deoxygenation tower?

Near to the deoxygenation tower (D) Signup and view all the answers

What are the two most common types of pumps used for pumping water, as mentioned in the text?

Centrifugal pumps and positive displacement pumps (B) Signup and view all the answers

How can the flow rate of a piston pump be controlled?

By adjusting the speed of the piston (D) Signup and view all the answers

What is the key difference between a duplex piston pump and a single-cylinder piston pump?

Duplex pumps are double-acting, while single-cylinder pumps are single-acting (B) Signup and view all the answers

What is the pump factor in cubic inches per stroke?

$2147.76 * 15 * 0.95$ (D) Signup and view all the answers

What is the volumetric output (q) of the pump at 97% efficiency?

$75171.6$ gallons per minute (B) Signup and view all the answers

What is the horsepower output of the pump under the given conditions?

$715$ horsepower (A) Signup and view all the answers

What is the volume displaced by the forward stroke of a double-acting (duplex) pump?

$\frac{\pi}{4} * D^2 * Ls$ (D) Signup and view all the answers

What is the volume displaced by the backward stroke of a double-acting (duplex) pump?

$2 * \frac{\pi}{4} * (D^2 - d^2) * Ls$ (D) Signup and view all the answers

What is the discharge pressure of the pump?

$2000$ psi (B) Signup and view all the answers