Using a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas is known as ____.

Question

BlackTom AI · Accepted Answer

The question asks about a process that uses a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas.
Option 1: cracking. This term is more commonly associated with breaking down large hydrocarbon molecules into smaller ones (as in chemical cracking) rather than fracturing rock formations to release hydrocarbons. It does not describe the well-stimulation process in question.
Option 2: rotary drilling. This describes the mechanical method used to drill a well by rotating a drill bit, not the stimulation of the surrounding rock to enhance flow. It is a drilling technique, not a fracturing technique.
Option 3: mud drilling. Drilling mud (a mixture used to lubricate and cool the drill bit, carry cuttings to the surface, and maintain wellbore stability) is part of the drilling process, not the high-pressure fracturing operation described here.
Option 4: high density pumping. While this hints at pumping fluids, it is not a standard term for the stimulation method that employs a fracturing fluid to create fractures in rock.
Option 5: hydraulic fracturing (fracking). This is the well-known stimulation technique that uses a high-pressure fluid with proppants (like sand) and additives to create and propagate fractures in rock, thereby increasing permeability and allowing oil and gas to flow to the well.

11:375:101:01 INTRO ENV SCIENCE Lecture #18 Quiz

Using a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas is known as ____.

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