US2014034295A1PendingUtilityA1

Method for making centralizers for centralising a tight fitting casing in a borehole

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Assignee: ENI SPAPriority: Dec 15, 2000Filed: Sep 30, 2013Published: Feb 6, 2014
Est. expiryDec 15, 2020(expired)· nominal 20-yr term from priority
Inventors:Angelo CalderoniFabrizio Zausa
E21B 17/1042E21B 17/1078
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PatentIndex Score
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Claims

Abstract

A centralizer for an oil well drill casing including at least one strip of ceramic or plastic material applied onto an outer wall of the casing.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A centralizer for an oil well drill casing comprising:
 at least one strip of ceramic or plastic material applied onto an outer wall of said casing.   
     
     
         2 . The centralizer according to  claim 1 , wherein the plastic material is a hardening resin. 
     
     
         3 . The centralizer according to  claim 2 , wherein the hardening resin is an epoxy resin. 
     
     
         4 . A system for centralization of an oil well drill casing comprising:
 said casing; and   a centralizer applied onto an outer wall of said casing, said centralizer comprising at least one strip of ceramic or plastic material.   
     
     
         5 . The system according to  claim 4 , wherein the plastic material is a hardening resin. 
     
     
         6 . The system according to  claim 5 , wherein the hardening resin is an epoxy resin.

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