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Wettability
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Revision as of 15:13, 8 July 2014
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15:13, 8 July 2014
→Additional techniques
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|+ {{table number|2}}Alternative wettability measurement techniques
|+ {{table number|2}}Alternative wettability measurement techniques
|-
|-
−
! Method
+
! Method
||
Observation
−
!
Observation
|-
|-
−
| Microscopic examination
+
| Microscopic examination
|
| Visual examination of the fluid surrounding grains
−
| Visual examination of the fluid surrounding grains
|-
|-
−
| Flotation method
+
| Flotation method
|
| Distribution of grains at water/oil interface or air/water interface
−
| Distribution of grains at water/oil interface or air/water interface
|-
|-
−
| Glass slide method
+
| Glass slide method
|
| Displacement of the nonwetting fluid from a glass slide
−
| Displacement of the nonwetting fluid from a glass slide
|-
|-
−
| [[Relative
[[
permeability
]]
]] method
+
| [[Relative permeability]] method
|
| Location and relative magnitudes of ''k''<sub>ro</sub> and ''k''<sub>rw</sub> curves
−
| Location and relative magnitudes of ''k''<sub>ro</sub> and ''k''<sub>rw</sub> curves
|-
|-
−
| Reservoir logs
+
| Reservoir logs
|
| [[Basic open hole tools#Resistivity|Resistivity logs]] before and after injection of a reverse wetting agent
−
| [[Basic open hole tools#Resistivity|Resistivity logs]] before and after injection of a reverse wetting agent
|-
|-
−
| Nuclear magnetic resonance
+
| Nuclear magnetic resonance
|
| Changes in the longitudinal relaxation time
−
| Changes in the longitudinal relaxation time
|-
|-
−
| Dye adsorption
+
| Dye adsorption
|
| Adsorption of a water soluble dye
−
| Adsorption of a water soluble dye
|}
|}
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