Answer :
The correct option is (d) High-pressure water is injected into the well that forces out gas deposits. In the process of hydraulic fracturing, also known as fracking, high-pressure water, along with sand and chemicals, is injected into a wellbore drilled into the earth.
The high-pressure water creates fractures in the rock formation, allowing the release of trapped oil or natural gas.
Here's a brief explanation of the fracking process:
Well Drilling: A wellbore is drilled vertically into the earth, typically several thousand feet deep.
Cementing: Steel casing is inserted into the well, and cement is pumped into the space between the casing and the wellbore walls to ensure integrity and prevent leakage of fluids.
Fracturing Fluid Injection: A mixture of water, sand (proppant), and chemicals is pumped into the well at high pressure. The fluid creates fractures in the target rock formation.
Fracture Propagation: The high-pressure fluid fractures the rock, and the proppant (sand) keeps the fractures open after the pressure is released. This allows the oil or gas to flow through the fractures.
Fluid Recovery: After the fracturing process, the injected fluid is partially recovered, typically through a separate well or collection system, and may undergo treatment and disposal.
Production: The oil or gas is then extracted through the well, as the fractures provide pathways for the hydrocarbons to flow into the wellbore and be brought to the surface.
It's important to note that fracking is a complex process with potential environmental and social impacts, and it is regulated and monitored in many jurisdictions to ensure safety and minimize risks.
To know more about hydraulic fracturing
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