Attachment of control lines to outside of tubular

Abstract

Disclosed is a downhole apparatus including a tubular and at least one line passage extending along an outer surface of the tubular. At least one end clamp is located at least one end of the line passage. The at least one end clamp includes a clamp body and at least one standoff located between the clamp body and the outer surface of the tubular defining a clamp protected space therebetween. Further disclosed is a downhole tubular system including a least two tubular apparatus, each tubular apparatus including at least one tubular and at least one line passage extending along an outer surface of the tubular. At least one end clamp is located at least one end of the line passage. The tubular system further includes at least one coupling clamp disposed at a coupling of the at least two tubular apparatus.

1 . A downhole apparatus comprising:
 a tubular;   at least one line passage extending along an outer surface of the tubular; and   at least one end clamp disposed at least one end of the line passage including:
 a clamp body; and 
 at least one standoff disposed between the clamp body and the outer surface of the tubular defining a clamp protected space therebetween. 
   
     
     
         2 . The downhole apparatus of  claim 1  wherein the at least one end clamp is joined to the at least one line passage 
     
     
         3 . The downhole apparatus of  claim 2  wherein the at least one end clamp includes a transition passage which is joined with the at least one line passage. 
     
     
         4 . The downhole apparatus of  claim 1  wherein the at least one line passage is at least two line passages. 
     
     
         5 . The downhole apparatus of  claim 4  wherein the at least two line passages are arranged substantially axially along the tubular. 
     
     
         6 . The downhole apparatus of  claim 4  wherein a first line passage of the at least two line passages is joined to a second line passage of the at least two line passages. 
     
     
         7 . The downhole apparatus of  claim 1  wherein the clamp protected space is configured to substantially secure the at least one control line to the outer surface. 
     
     
         8 . The downhole apparatus of  claim 1  wherein the end clamp extends around a circumference of the tubular. 
     
     
         9 . The downhole apparatus of  claim 1  wherein the at least one standoff is at least one clamp hinge. 
     
     
         10 . The downhole apparatus of  claim 1  comprising a plurality of centralizers extending outwardly from the outer surface of the tubular. 
     
     
         11 . The downhole apparatus of  claim 10  wherein the at least one line passage is disposed circumferentially between two adjacent centralizers of the plurality of centralizers. 
     
     
         12 . The downhole apparatus of  claim 1  wherein a plurality of lines are disposed in the protected space. 
     
     
         13 . The downhole apparatus of  claim 1  wherein the tubular is a screen segment. 
     
     
         14 . A downhole tubular system comprising:
 at least two tubular apparatus, each tubular apparatus including;
 at least one tubular; 
 at least one line passage extending along an outer surface of the tubular; and 
 at least one end clamp disposed at least one end of the line passage including:
 a clamp body; and 
 at least one standoff disposed between the clamp body and the outer surface of the tubular defining a clamp protected space therebetween; and 
 
   at least one coupling clamp disposed at a coupling of the at least two tubular apparatus including:
 at least two collars, at least one collar of the at least two collars disposed at each side of the coupling, each collar including a coupling body extending around a circumference of the outer surface defining a coupling protected space between the coupling body and the outer surface; and 
 a coupling sleeve extending between the at least two collars. 
   
     
     
         15 . The downhole system of  claim 14  comprising at least one line disposed in the coupling protected space. 
     
     
         16 . The downhole system of  claim 15  wherein the at least one line is at least one control line. 
     
     
         17 . The downhole system of  claim 15  wherein the at least one line is at least one fiber optic line. 
     
     
         18 . The downhole system of  claim 15  wherein the coupling protected space is configured to allow for helical arrangement of the at least one line. 
     
     
         19 . The downhole system of  claim 14  wherein the coupling collar comprises at least one coupling hinge. 
     
     
         20 . The downhole system of  claim 19  including at least two coupling arms extending from the at least one coupling hinge circumferentially around the outer surface. 
     
     
         21 . The downhole system of  claim 14  including at least one coupling spacer disposed between the coupling body and the outer surface to define the coupling protected space therebetween. 
     
     
         22 . The downhole system of  claim 14  wherein the coupling protected space extends substantially around the entire circumference of the outer surface. 
     
     
         23 . The downhole system of  claim 14  wherein the at least one tubular is at least one screen segment. 
     
     
         24 . The downhole system of  claim 14  wherein the at least one tubular is at least one flow through tubular with one or more lines attached thereto.