Well Stimulation Quiz

What is the primary purpose of well stimulation?

• To increase oil or gas production

• To seal the wellbore

• To reduce water cut

• To monitor reservoir pressure

Which of the following is NOT a common well stimulation technique?

• Hydraulic fracturing

• Acidizing

• Cementing

• Matrix stimulation

Acidizing is mainly used to:

• Clean the wellbore from scale and damage

• Increase pressure in the reservoir

• Strengthen the casing

• Remove water from the well

Hydraulic fracturing involves:

• Injecting acid into the formation

• Pumping fluid at high pressure to create fractures

• Heating the reservoir rock

• Applying cement slurry

What type of acid is most commonly used in carbonate acidizing?

• Hydrochloric acid (HCl)

• Sulfuric acid (H2SO4)

• Acetic acid

• Nitric acid

Matrix stimulation is performed by:

• Creating fractures in the formation

• Injecting acid at pressures below the fracturing pressure

• Removing formation fluids

• Cementing the annulus

Which formation damage does acidizing aim to remove?

• Clay swelling

• Organic deposits

• Scale and fines plugging

• Gas blockage

What is the primary risk during hydraulic fracturing?

• Reservoir contamination

• Fracture growth out of the target zone

• Loss of wellbore integrity

• Excessive heat generation

The proppant used in hydraulic fracturing serves to:

• Seal the fractures

• Keep fractures open

• React with formation fluids

• Increase fluid viscosity

What is a common fluid type used in hydraulic fracturing?

• Water-based gel

• Oil-based mud

• Cement slurry

• Air injection