US2015088425A1PendingUtilityA1

System, Method & Computer Program Product to Simulate the Progressive Failure of Rupture Disks in Downhole Environments

Assignee: LANDMARK GRAPHICS CORPPriority: Jul 11, 2012Filed: Dec 4, 2014Published: Mar 26, 2015
Est. expiryJul 11, 2032(~6 yrs left)· nominal 20-yr term from priority
Inventors:Robert Mitchell
E21B 43/12E21B 49/003G01V 99/00G06F 2111/10G06F 2119/02G06F 30/20E21B 21/08
52
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Claims

Abstract

Systems and related methods to simulate, predict, and report progressive failures of rupture disks in response to thermal expansion of trapped annular fluids.

Claims

exact text as granted — not AI-modified
1 - 18 . (canceled) 
     
     
         19 . A computer-implemented method to analyze progressive failures of rupture disks along a wellbore, the method comprising determining a consequence of a failure of a first rupture disk along the wellbore. 
     
     
         20 . A computer-implemented method as defined in  claim 19 , further comprising determining whether a second rupture disk would fail in response to the failure of the first rupture disk. 
     
     
         21 . A computer-implemented method as defined in  claim 20 , further comprising determining an alternative configuration of the wellbore in an event that failure of the second rupture disk was determined. 
     
     
         22 . A computer-implemented method as defined in  claim 19 , further comprising receiving data defining a configuration of the wellbore via a user interface. 
     
     
         23 . A computer-implemented method as defined in  claim 22 , wherein the data defining the configuration of the wellbore comprises at least one of a number of rupture disks, a burst rating of the rupture disks, a collapse rating of the rupture disks, or a depth of the rupture disks. 
     
     
         24 . A computer-implemented method as defined in  claim 19 , further comprising determining failure of one or more other rupture disks until no further failures occur. 
     
     
         25 . A computer-implemented method as defined in  claim 24 , further comprising outputting a report reflecting the failures of rupture disks. 
     
     
         26 . A computer-implemented method as defined in  claim 19 , wherein determining the consequence comprises:
 analyzing a configuration of the wellbore;   determining an annular pressure buildup of the wellbore based upon the configuration of the wellbore; and   determining whether progressive failure of rupture disks will occur along the wellbore.   
     
     
         27 . A computer-implemented method as defined in  claim 26 , wherein data defining the configuration of the wellbore comprises at least one of a number of rupture disks, a burst rating of the rupture disks, a collapse rating of the rupture disks, or a depth of the rupture disks. 
     
     
         28 . A computer-implemented method as defined in  claim 19 , further comprising determining an alternative configuration of the wellbore in an event that failure of the first rupture disk was determined. 
     
     
         29 . A system comprising processing circuitry to determine an occurrence of progressive failures of rupture disks along a wellbore, the processing circuitry performing a method as defined in any of  claims 19 - 28 . 
     
     
         30 . A non-transitory computer program product comprising instructions which, when executed by at least one processor, causes the processor to perform a method as defined in any of  claims 19 - 28 .

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