Laboratory Investigation on Optimum Selection of a Sand Control Method for an Interbedded Sandstone and Mudstone Reservoir

Table 4

Reservoir characteristic statistics of the Minghuazhen Formation in the PL oilfield.

Reservoir characteristics	Range of reservoir characteristics
Median grain size ()	150-250 μm, average 200 μm
Sand uniformity coefficient (UC)	5~10
Fine particles smaller than 44 microns	10~20%, average 15%
NTG	0.4~0.6, average 0.485
Production well type	Directional well; Well inclination 30°~45°
Clay content	20%
Montmorillonite content	<5%