Liner drilling using temporarily sealed liner

Abstract

A drilling apparatus including a first cylindrical layer including a plurality of cylindrical members, and a second cylindrical layer including a plurality of elongate members, the plurality of cylindrical members and the plurality of elongate members arranged to form a plurality of spaces between an outer diameter of the first cylindrical layer and an inner diameter of the second cylindrical layer.

What is claimed is: 
     
         1 . A drilling apparatus comprising:
 a first cylindrical layer including a plurality of cylindrical members; and   a second cylindrical layer including a plurality of elongate members, the plurality of cylindrical members and the plurality of elongate members arranged to form a plurality of gaps between an outer diameter of the first cylindrical layer and an inner diameter of the second cylindrical layer.   
     
     
         2 . The apparatus of  claim 1 , further comprising:
 a removable material impregnated in one or more of the plurality of gaps formed between the outer diameter of the first cylindrical layer and the inner diameter of the second cylindrical layer,   wherein the plurality of cylindrical members and the plurality of elongate members are arranged to retain the removable material in the plurality of gaps formed between the outer diameter of the first cylindrical layer and the inner diameter of the second cylindrical layer.   
     
     
         3 . The apparatus of  claim 2 , wherein the removable material is one of a water-stable polymer and an oil-stable polymer. 
     
     
         4 . The apparatus of  claim 1 , wherein the first cylindrical layer is formed from the plurality of cylindrical members coupled in parallel and defining gaps formed between one or more of the plurality of cylindrical members, and a removable material is impregnated in one or more of the gaps formed between one or more of the plurality of cylindrical members of the first cylindrical layer. 
     
     
         5 . The apparatus of  claim 4 , wherein a cross-section of the plurality of cylindrical members is triangular. 
     
     
         6 . The apparatus of  claim 4 , wherein the gaps formed between the plurality of cylindrical members are substantially wedge-shaped, wherein an apex of the wedge-shaped gaps is oriented near an outer diameter of the first cylindrical layer. 
     
     
         7 . The apparatus of  claim 1 , wherein the second cylindrical layer is formed from a plurality of elongate members coupled in parallel having gaps formed between one or more of the plurality of elongate members. 
     
     
         8 . The apparatus of  claim 7 , wherein a cross-section of the plurality of elongate members is triangular. 
     
     
         9 . The apparatus of  claim 8 , wherein the gaps formed between one or more of the plurality of elongate members are substantially wedge-shaped, wherein an apex of the wedge-shaped gaps is oriented near an inner diameter of the second cylindrical layer. 
     
     
         10 . The apparatus of  claim 7 , wherein the second cylindrical layer is disposed within the first cylindrical layer, the second cylindrical layer is coupled to the first cylindrical layer. 
     
     
         11 . The apparatus of  claim 7 , wherein the plurality of cylindrical members extend in a first direction, and the plurality of elongate members extend in a second direction, wherein the first direction is substantially perpendicular to the second direction. 
     
     
         12 . A drilling system comprising:
 a drilling liner having a first cylindrical layer formed from a plurality of cylindrical members coupled in parallel, a second cylindrical layer formed from a plurality of elongate members coupled in parallel, the plurality of cylindrical members and the plurality of elongate members arranged to form a plurality of gaps between an outer diameter of the first cylindrical layer and an inner diameter of the second cylindrical layer, and a removable material impregnated in the plurality of gaps formed between the first cylindrical layer and the second cylindrical layer; and   a drill bit coupled to the drilling liner.   
     
     
         13 . The system of  claim 12 , wherein the removable material is a dissolvable polymer configured to dissolve through contact with a specific solvent. 
     
     
         14 . A method of manufacturing a drilling liner apparatus, the method comprising:
 forming a first cylindrical layer having a first plurality of perforations formed therethrough;   forming a second cylindrical layer having a second plurality of perforations formed therethrough, wherein the second plurality of perforations are in fluid communication with the first plurality of perforations; and   impregnating one or more of the first plurality of perforations and the second plurality of perforations with a removable material,   
     
     
         15 . The method of  claim 14 , wherein forming the first cylindrical layer comprises;
 forming a plurality of cylindrical members; and   disposing a plurality of cylindrical members in parallel to form a cylinder,   wherein impregnating one or more of the first plurality of perforations includes impregnating gaps formed between one or more of the plurality of cylindrical members with the removable material.   
     
     
         16 . The method of  claim 14 , wherein forming the second cylindrical layer comprises:
 forming a plurality of elongate members; and   disposing a plurality of elongate members in parallel to form a cylinder,   wherein impregnating one or more of the second plurality of perforations includes impregnating gaps formed between one or more of the plurality of elongate members with the removable material.   
     
     
         17 . The method of  claim 14 , further comprising:
 disposing the first cylindrical layer within the second cylindrical layer; and   coupling the first cylindrical layer to the second cylindrical layer,   wherein gaps are formed between one or more of the cylindrical members and between one or more of the plurality of elongate members.   
     
     
         18 . The method of  claim 14 , wherein impregnating one or more of the first plurality of perforations includes one of submerging the first cylindrical layer into the removable material and molding the removable material into one or more of the first plurality of perforations. 
     
     
         19 . A method of drilling comprising:
 drilling a well bore to a pre-determined depth with a drill bit coupled to a drilling liner, the drilling liner having a plurality of perforations formed therethrough and a removable material impregnated in one or more of the plurality of perforations;   removing the removable material impregnated in one or more of the plurality of perforations; and   producing a production fluid, wherein the production fluid passes through the drilling liner.   
     
     
         20 . The method of  claim 19 , wherein the drilling liner includes a first cylindrical layer formed from a plurality of cylindrical members coupled in parallel, the first cylindrical layer having gaps formed between one or more of the plurality of cylindrical members, and the removable material impregnated in the gaps formed between one or more of the plurality of cylindrical members of the first cylindrical layer.