30 Questions
What is the advantage of using aquifer water for oil recovery?
Purity and chemical compatibility
Why is filtering, deoxygenation, and biociding generally required for seawater used in oil recovery?
To reduce the concentration of algae
What is the primary function of the water injection surface facility in oil recovery?
Prepare the water chemically
Where are water injection wells commonly found?
Both on- and offshore
What is the purpose of drilling a water injector well in oil recovery?
To increase oil recovery from existing reservoirs
Why are seawater sources preferred for offshore production facilities?
Convenience
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
Which of the following is NOT a type of well mentioned in the text?
Steam injection well
What is the term used to describe the process of injecting water into an oil reservoir?
Waterflooding
Which of the following is NOT a reason for using water injection in oil and gas operations?
To enhance natural gas production
What type of recovery technique is water injection considered?
Secondary recovery
Which of the following is NOT mentioned as a source of water for water injection operations?
Desalinated seawater
What is the primary purpose of filters in water injection surface facilities?
To remove impurities like sediments, sand, algae, and other biological matter
What is the typical order of filtration in water injection surface facilities?
Coarse filters, fine filters, de-oxygenation tower
Which type of filter is commonly used in water injection surface facilities?
Sand filters
What is the purpose of the de-oxygenation tower in water injection surface facilities?
To remove dissolved oxygen from the water
According to the mesh screen size chart, what is the particulate size range for a mesh size of 48?
0.012"
What type of equipment is used for chemical injection in water injection surface facilities?
Chemical injection pumps
What is the primary purpose of maintaining gas blankets on all tanks in produced-water systems?
To exclude oxygen from the produced-water systems
Which of the following is NOT a method capable of removing dissolved gases such as ammonia, H2S, or CO2 from water sources?
Reverse osmosis
Where are the high-pressure, high-flow water injection pumps typically placed in relation to the deoxygenation tower?
Near to the deoxygenation tower
What are the two most common types of pumps used for pumping water, as mentioned in the text?
Centrifugal pumps and positive displacement pumps
How can the flow rate of a piston pump be controlled?
By adjusting the speed of the piston
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
What is the pump factor in cubic inches per stroke?
$2147.76 * 15 * 0.95$
What is the volumetric output (q) of the pump at 97% efficiency?
$75171.6$ gallons per minute
What is the horsepower output of the pump under the given conditions?
$715$ horsepower
What is the volume displaced by the forward stroke of a double-acting (duplex) pump?
$\frac{\pi}{4} * D^2 * Ls$
What is the volume displaced by the backward stroke of a double-acting (duplex) pump?
$2 * \frac{\pi}{4} * (D^2 - d^2) * Ls$
What is the discharge pressure of the pump?
$2000$ psi
Test your knowledge on the principles, operation, and treatment of water injection in petroleum production. The quiz covers understanding water injection/flooding principles, evaluating methodologies, systems, water sources, and injection cycles for offshore and onshore applications.
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