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Designing Gel Improvements
PRRC Home
Research Groups
Reservoir Sweep Improvement
Designing Gel Improvements
Select a Topic
Gelation/Gel Properties
Resistance factors and residual resistance factors
Gelation time vs. temperature
Inherent permeability of a gel to water
Gravity effects
Diffusion dispersion
Oil "Clean up" time after a gel treatment
Unfractured Wells
Radius of gelant penetration vs. gelation time & injection rate
Radius of gelant penetration in different zones for a fixed volume of injected gelant
Radius of gelant penetration into Zone 2 relative to Zone 1 for radial flow (rp2/rp1)(Assuming that impermeable barriers separate the zones) & polymer retention
Radius of gelant penetration into Zone 2 relative to Zone 1 for radial flow (rp2/rp1) (Assuming free crossflow between the zones)
Injectivity or productivity losses and profile changes: Radial flow
Critical rate for 3-D Coning
Fractured Wells Diagnosis
Does my well have a linear flow problem?
Fracture width, permeability, and conductivity from interwell tracer data
Fracture width, permeability, and conductivity from injectivity or productivity data
Converting permeability to an effective wormhole or tube radius
Leakoff From Fractures Into Matrix Rock
Distance of gelant penetration into Zone 2 relative to Zone 1 for linear flow (Lp2/Lp1) (Assuming that impermeable barriers separate the zones)
Distance of gelant penetration into Zone 2 relative to Zone 1 for linear flow (Lp2/Lp1) (Assuming free crossflow between the zones)
Injectivity or productivity losses and profile changes: Linear flow
Natural fracture area
Extrusion Through Fractures
The pressure gradient required to extrude a gel through a fracture
The gel volume required to reach a certain distance in a two-wing fracture
The extrusion distance for a given gel volume in a two-wing fracture
The gel volume required to reach a certain radius for a radial fracture cutting a (horizontal) well
The extrusion radius for a given gel volume for a radial fracture cutting a (horizontal) well