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Permeability. Fracture Permeability. Lamb (1957). Darcy (1856). Fracture System Permeability. Combined Permeability. Fluid Flow in Fractures & Matrix. Flow in Multiple Fracture Sets. Fracture Widths. In Situ Stress & Fracture Closure. kf & km with Stress. Hod Chalk,North Sea. k (md).

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Permeability

Fracture

Permeability

Lamb (1957)

Darcy (1856)








kf & km with Stress

Hod Chalk,North Sea

k

(md)

Nelson (1985)

Confining Pressure (psi)


Calculated Fracture Width with Stress

e

(cm)

Nelson (1985)

Confining Pressure (psi)






Permeability Anisotropy from

Whole-Core

kv vs kh max

kh 90 vs kh max

Nelson (1985)


Permeability Anisotropy Map

Ryckman

Creek

WI # 6

Nelson (1985)


Permeability Features from Core Log

kh 90/kh max

kv/kh max

Strong

B&F

Bedding &

Fractures

Fractures

Fractures

Bedding &

Fractures

Nelson

(1985)


Channeled Flow Along a Planar Fracture

Fracture Surface

Secondary

Calcite

Navajo Ss

Page Arizona

3 ft


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