Podcast
Questions and Answers
Why does the fluid rise to the same height in an area with well-sorted and rounded grains and no clay present?
Why does the fluid rise to the same height in an area with well-sorted and rounded grains and no clay present?
- Due to the presence of clay minerals
- Due to high permeability
- Due to high capillary pressure
- Due to low connate water (correct)
What is the main reason for lower connate water in areas with higher permeability and well-sorted grains?
What is the main reason for lower connate water in areas with higher permeability and well-sorted grains?
- Presence of clay minerals
- Higher displacement pressure
- Poorly sorted grains
- Lower displacement pressure (correct)
In the capillary pressure curve, what does the Pd represent in the context of the drainage process?
In the capillary pressure curve, what does the Pd represent in the context of the drainage process?
- Fluid rising due to high permeability
- Effect of PSD on capillary pressure
- Wetting phase pushing the nonwetting phase
- Pressure required for wetting phase displacement (correct)
What parameter affects capillary pressure along with PSD and permeability in comparing capillary pressure curves from different core samples of a reservoir?
What parameter affects capillary pressure along with PSD and permeability in comparing capillary pressure curves from different core samples of a reservoir?
What did Leverett aim to achieve by developing a relationship that could combine capillary pressure data from sands of varying porosity and permeability?
What did Leverett aim to achieve by developing a relationship that could combine capillary pressure data from sands of varying porosity and permeability?
What characteristic allows for the expression of capillary pressure data from sands of varying porosity and permeability values?
What characteristic allows for the expression of capillary pressure data from sands of varying porosity and permeability values?
What does the Pore Throat Sorting (PTS) coefficient measure?
What does the Pore Throat Sorting (PTS) coefficient measure?
In the PTS range of 1.0 to 8.0, what value indicates perfect sorting?
In the PTS range of 1.0 to 8.0, what value indicates perfect sorting?
What does a PTS coefficient much greater than 1 indicate?
What does a PTS coefficient much greater than 1 indicate?
How are the first and third quartile pressures defined in the context of PTS calculation?
How are the first and third quartile pressures defined in the context of PTS calculation?
What range of values do most rock samples fall within for the Pore Throat Sorting (PTS)?
What range of values do most rock samples fall within for the Pore Throat Sorting (PTS)?
What does a rapid jump in the capillary pressure curve after crossing the 25% saturation indicate?
What does a rapid jump in the capillary pressure curve after crossing the 25% saturation indicate?
What does the MICP equation relate?
What does the MICP equation relate?
What is the purpose of the mercury injection process?
What is the purpose of the mercury injection process?
What happens as the applied pressure increases during the mercury injection process?
What happens as the applied pressure increases during the mercury injection process?
What is the relationship between capillary pressure and pore aperture radius according to the MICP equation?
What is the relationship between capillary pressure and pore aperture radius according to the MICP equation?
What is the purpose of plotting the fractional mercury saturation against the pore aperture radius?
What is the purpose of plotting the fractional mercury saturation against the pore aperture radius?
