US2005173108A1PendingUtilityA1

Method of forming a mono diameter wellbore casing

Priority: Jul 29, 2002Filed: Jul 2, 2003Published: Aug 11, 2005
Est. expiryJul 29, 2022(expired)· nominal 20-yr term from priority
E21B 43/103E21B 43/106
35
PatentIndex Score
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Claims

Abstract

A method of forming a mono diameter wellbore casing.

Claims

exact text as granted — not AI-modified
1 . A method of forming a wellbore casing within a borehole that traverses a subterranean formation, comprising: 
 positioning a first wellbore casing within and coupling the first wellbore casing to the borehole;    positioning a second wellbore casing within the borehole that overlaps with and is coupled to the first wellbore casing;    positioning a tubular liner within the borehole that overlaps with and is coupled to at least a portion of the second wellbore casing;    extending the length of the borehole;    decoupling the tubular liner from the second wellbore casing and removing the tubular liner from the borehole; and    positioning a third wellbore casing within the borehole that overlaps with and is coupled to the second wellbore casing.    
   
   
       2 . The method of  claim 1 , further comprising: 
 radially expanding and plastically deforming the overlapping portions of the first and second wellbore casings; and    radially expanding and plastically the portion of the second wellbore casing that does not overlap with the first wellbore casing.    
   
   
       3 . The method of  claim 2 , wherein the inside diameters of the first wellbore casing and the second wellbore casing are substantially equal.  
   
   
       4 . The method of  claim 3 , wherein the inside diameters of the first wellbore casing and the second wellbore casing are substantially constant.  
   
   
       5 . The method of  claim 1 , further comprising: 
 radially expanding and plastically deforming the overlapping portions of the second and third wellbore casings; and    radially expanding and plastically the portion of the third wellbore casing that does not overlap with the second wellbore casing.    
   
   
       6 . The method of  claim 5 , wherein the inside diameters of the second wellbore casing and the third wellbore casing are substantially equal.  
   
   
       7 . The method of  claim 6 , wherein the inside diameters of the second wellbore casing and the third wellbore casing are substantially constant.  
   
   
       8 . The method of  claim 2 , further comprising: 
 radially expanding and plastically deforming the overlapping portions of the second and third wellbore casings; and    radially expanding and plastically the portion of the third wellbore casing that does not overlap with the second wellbore casing.    
   
   
       9 . The method of  claim 8 , wherein the inside diameters of the first, second, and third wellbore casings are substantially equal.  
   
   
       10 . The method of  claim 9 , wherein the inside diameters of the first, second, and third wellbore casings are substantially constant.  
   
   
       11 . A system for forming a wellbore casing within a borehole that traverses a subterranean formation, comprising: 
 means for positioning a first wellbore casing within and coupling the first wellbore casing to the borehole;    means for positioning a second wellbore casing within the borehole that overlaps with and is coupled to the first wellbore casing;    means for positioning a tubular liner within the borehole that overlaps with and is coupled to at least a portion of the second wellbore casing;    means for extending the length of the borehole;    means for decoupling the tubular liner from the second wellbore casing and removing the tubular liner from the borehole; and    means for positioning a third wellbore casing within the borehole that overlaps with and is coupled to the second wellbore casing.    
   
   
       12 . The system of  claim 11 , further comprising: 
 means for radially expanding and plastically deforming the overlapping portions of the first and second wellbore casings; and    means for radially expanding and plastically the portion of the second wellbore casing that does not overlap with the first wellbore casing.    
   
   
       13 . The system of  claim 12 , wherein the inside diameters of the first wellbore casing and the second wellbore casing are substantially equal.  
   
   
       14 . The system of  claim 13 , wherein the inside diameters of the first wellbore casing and the second wellbore casing are substantially constant.  
   
   
       15 . The system of  claim 11 , further comprising: 
 means for radially expanding and plastically deforming the overlapping portions of the second and third wellbore casings; and    means for radially expanding and plastically the portion of the third wellbore casing that does not overlap with the second wellbore casing.    
   
   
       16 . The system of  claim 15 , wherein the inside diameters of the second wellbore casing and the third wellbore casing are substantially equal.  
   
   
       17 . The system of  claim 16 , wherein the inside diameters of the second wellbore casing and the third wellbore casing are substantially constant.  
   
   
       18 . The system of  claim 12 , further comprising: 
 means for radially expanding and plastically deforming the overlapping portions of the second and third wellbore casings; and    means for radially expanding and plastically the portion of the third wellbore casing that does not overlap with the second wellbore casing.    
   
   
       19 . The system of  claim 18 , wherein the inside diameters of the first, second, and third wellbore casings are substantially equal.  
   
   
       20 . The system of  claim 19 , wherein the inside diameters of the first, second, and third wellbore casings are substantially constant.

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