Pseudo Relative Permeabilities
Pseudo Relative Permeabilities
Pseudo Relative Permeabilities
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Calculation method for gas/oil well pseudos<br />
• The following information was extracted from the simulator at selected time steps:!<br />
– q o !- Oil rate for the producing half well!<br />
– q g !- Water rate for the producing half well!<br />
– BHFP !- Bottom hold flowing pressure at the mid point of top completed grid block<br />
(datum level)!<br />
– p g !- Pore volume weighted datum gas phase pressure within the 20 grid block areal<br />
window!<br />
– p o !- Pore volume weighted datum oil phase pressure within the 20 grid block areal<br />
window!<br />
– S l !- Pore volume weighted liquid saturation within the 20 grid block areal window!<br />
• For convenience a constant is calculated (drawdown per unit oil rate for k ro =1)!<br />
• Well pseudo oil and water relative permeabilities are calculated as follows: !<br />
27!<br />
<strong>Pseudo</strong>s presentation!<br />
March 2010!
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