Tubular goods and liners

Abstract

Disclosed herein are tubular goods and tubular good liners which decrease or eliminate friction and mechanical wear and decrease or eliminate chemical corrosion to the walls of the tubular good. The liners may include a diffusion barrier, an adhesive, and a friction and wear resistant layer.

1 . A tubular good comprising: 
 an outer pipe layer; and    an inner layer, wherein the inner layer comprises a diffusion barrier and a friction reducing layer, and wherein the diffusion barrier is disposed radially outward of the friction reducing layer.    
     
     
         2 . The tubular good of  claim 1  further comprising an adhesive layer disposed between the diffusion barrier and the friction reducing layer.  
     
     
         3 . The tubular good of  claim 1  wherein the tubular good is an oil country tubular good.  
     
     
         4 . The tubular good of  claim 1  wherein the tubular good is a flowline tubular good.  
     
     
         5 . The tubular good of  claim 1  wherein the diffusion barrier comprises a vinyl alcohol.  
     
     
         6 . The tubular good of  claim 1  wherein the friction reducing layer comprises a polyolefin.  
     
     
         7 . The tubular good of  claim 1  wherein the compound represented by the following formula:  
       
         
           
           
               
               
           
         
       
       is used as an additive to bond the diffusion barrier and the friction reducing layer.  
     
     
         8 . The tubular good of  claim 1  wherein the friction reducing layer comprises polyethylene.  
     
     
         9 . The tubing good of  claim 1  wherein the friction reducing layer comprises a homopolymer.  
     
     
         10 . The tubing good of  claim 1  wherein the friction reducing layer comprises a copolymer.  
     
     
         11 . The tubing good of  claim 1  wherein the friction reducing layer comprises polypropylene.  
     
     
         12 . The tubing good of  claim 1  further comprising a third layer radially outward from the diffusion barrier and radially inward from the outer pipe layer.  
     
     
         13 . A method of preparing a tubular good, the method comprising: 
 providing an outer tubular layer;    providing an inner tubular layer; 
 wherein the inner tubular layer comprises a chemical barrier and a wear reducing layer;  
 wherein the chemical barrier is disposed radially outward from the wear reducing layer;  
   inserting the inner tubular layer into the outer tubular layer.    
     
     
         14 . The method of  claim 13  further comprising bonding the chemical barrier to the wear reducing layer.  
     
     
         15 . The method of  claim 13  further comprising providing an adhesive layer disposed between the chemical barrier and the wear reducing layer, wherein the adhesive layer bonds the chemical barrier to the wear reducing layer.  
     
     
         16 . The method of  claim 14  wherein the compound represented by the following formula:  
       
         
           
           
               
               
           
         
       
       is used as an additive to bond the diffusion barrier and the friction reducing layer.  
     
     
         17 . The method of  claim 13  wherein the wear reducing layer comprises a polyolefin.  
     
     
         18 . The method of  claim 13  wherein the wear reducing layer comprises polyethylene.  
     
     
         19 . The method of  claim 13  wherein the diffusion barrier comprises a vinyl alcohol.  
     
     
         20 . The method of  claim 13  wherein the wear reducing layer comprises a copolymer.  
     
     
         21 . The method of  claim 13  wherein the wear reducing layer comprises polypropylene.  
     
     
         22 . The method of  claim 13  wherein the wear reducing layer comprises a homopolymer.  
     
     
         23 . The method of  claim 13  further comprising providing a third layer wherein the third layer is disposed radially outward from the diffusion barrier and radially inward from the outer tubular layer.  
     
     
         24 . A tubular good liner comprising: 
 a wear barrier; and    a diffusion barrier; 
 wherein the diffusion barrier is disposed radially outside of the wear barrier; and  
 wherein the diffusion barrier is bonded to the wear barrier.  
   
     
     
         25 . The tubular good of  claim 24  further comprising an adhesive layer bonding the wear barrier to the diffusion barrier.  
     
     
         26 . The tubular good liner of  claim 24  wherein the compound represented by the following formula:  
       
         
           
           
               
               
           
         
       
       is used as an additive to bond the diffusion barrier and the friction reducing layer.  
     
     
         27 . The tubular good liner of  claim 24  wherein the wear barrier comprises polyethylene.  
     
     
         28 . The tubular good liner of  claim 24  wherein the wear barrier comprises polypropylene.  
     
     
         29 . The tubular good liner of  claim 24  wherein the diffusion barrier comprises a vinyl alcohol.  
     
     
         30 . The tubular good liner of  claim 24  wherein the wear barrier comprises a homopolymer.  
     
     
         31 . The tubular good liner of  claim 24  wherein the wear barrier comprises a copolymer.  
     
     
         32 . The tubular liner of  claim 24  further comprising a third layer disposed radially outward from the diffusion barrier.  
     
     
         33 . A tubular good liner comprising: 
 a means for reducing friction;    a means for preventing diffusion of a compound; and    a means for bonding the means for reducing to the means for preventing; 
 wherein the means for preventing is disposed radially outward from the means for reducing.  
   
     
     
         34 . A tubular good liner comprising polypropylene.  
     
     
         35 . The tubular good liner of  claim 34  wherein the tubular good is an oil country tubular good.  
     
     
         36 . The tubular good liner of  claim 34  wherein the tubular good is a flowline tubular good.  
     
     
         37 . The tubular good liner of  claim 34  wherein the tubular good is a slurry transport line.  
     
     
         38 . The tubular good liner of  claim 34  wherein the tubular good is a solution mining tubular good.  
     
     
         39 . The tubular good liner of  claim 34  wherein the tubular good houses a reciprocating member.  
     
     
         40 . The tubular good liner of  claim 34  wherein the tubular good contains a rotating member.  
     
     
         41 . The tubular good liner of  claim 34  wherein the tubular good transports abrasive material.  
     
     
         42 . A method for producing well fluids: 
 providing a rod pumping system comprising at least one sucker rod disposed within a string of tubing which extends into said well, the string of tubing comprising at least one tubing section having a bore and an inside diameter; a down hole pump operably connected to the at least one sucker rod; and means for reciprocating the at least one sucker rod;    wherein a liner comprising polypropylene is disposed within the bore of the tubing to eliminate or reduce contact between the at least one sucker rod and the tubing string.