An expandable sand control screen (100) that is positionable within a
wellbore
comprises a fluid permeable generally tubular member (102) that is expanded
downhole. A filtering assembly is disposed exteriorly of the generally tubular
member (102). The filtering assembly includes a filter medium (106)
that prevents the flow of particulate material of a predetermined size therethrough
but allows the flow of production fluids therethrough. The filtering assembly also
includes a compliable member (118) that has a thickness that is radially
variable downhole. During or after expansion of the expandable sand control screen
(100), the radial variability of the thickness of the compliable member
(118) allows the expandable sand control screen (100) to comply with
any irregularities in the wellbore profile, thereby preventing any void regions
between the expandable sand control screen (100) and the wellbore.