| abstract |
Permeable sand screens are provided in long, open hole well bores within fluidnproducing zones by placing a perforated pipe in the open hole well bore, pumping anhardenable composition into said well bore adjacent to said fluid producing zone within theninterior of the perforated pipe therein, between the perforated pipe and the walls of the opennhole well bore and within voids or fractures in the producing zone; and after curing drillingnthe cured hard permeable mass out of the interior of the perforated pipe. |