10,323
edits
Changes
Jump to navigation
Jump to search
Line 57:
Line 57: − + Line 66:
Line 66: − − <math>k = \frac{(0.2 \times φ^3)}{s^2} \times {(1-φ)^2}</math>
Migration rate calculation (view source)
Revision as of 15:42, 24 September 2014
, 15:42, 24 September 2014→Correcting for clay-rich rocks
! Porosity || Use
! Porosity || Use
|-
|-
| > 10% || <math>ax^2 + bx + c = 0</math>
| > 10% || <math>\text{k} = \frac{(0.2 \times \phi^3)}{\text{s}^2} \times {(1-\phi)^2}</math>
|-
|-
| < 10% || k = [20 × φ<sup>3</sup> ] / s<sup>2</sup> × (1 – φ)<sup>2</sup>
| < 10% || k = [20 × φ<sup>3</sup> ] / s<sup>2</sup> × (1 – φ)<sup>2</sup>
* φ = free [[porosity]]
* φ = free [[porosity]]
* s = rock surface area (surface area of grains in cross section A)
* s = rock surface area (surface area of grains in cross section A)
==Buoyancy pressure==
==Buoyancy pressure==