Well Screen and Optimal Time of Refracturing: A Barnett Shale Well

Table 2

Well screening criteria.

Property	Perfect selection	Fair selection	Poor selection	Unit: field (SI)
Permeability	<0.0001 (9.8×10^−20)	<0.0005 (4.9×10^−19)	>0.0005 (4.9×10^−19)	md (m^2)
Porosity	>0.06	>0.04	<0.04	fraction
Fracture conductivity	>1 (3×10^−16)	<10 (3×10^−15)	>10 (3×10^−15)	md-ft (m^2-m)