Generating and updating true vertical depth indexed data and log in real time data acquisition

Abstract

An invention for dynamically determining a trajectory of a drilled wellbore is provided. A method may include: receiving a piece of information including data converted from a measured physical characteristic of at least one of the wellbore or drilling the wellbore, the piece of information being relevant to determining a trajectory of the wellbore; and updating only a portion of the determined trajectory, a calculation of the portion of the determined trajectory being affected by the received data.

1 . A method for dynamically determining a trajectory of a drilled wellbore, comprising:
 receiving a piece of information including data converted from a measured physical characteristic of at least one of a wellbore or drilling the wellbore, the piece of information being relevant to determining a trajectory of the wellbore; and   updating only a portion of the piece of information relevant to the determined trajectory, a calculation of the portion being affected by the received data.   
   
   
       2 . The method according to  claim 1 , wherein the measured physical characteristic is provided by a first measurement device. 
   
   
       3 . The method according to  claim 2 , wherein the portion is calculated from a second measurement device positioned above the first measurement device along a progress of the wellbore to a deepest measurement device positioned along the progress of the wellbore. 
   
   
       4 . The method according to  claim 1 , wherein the piece of information indicates that a previously accepted measurement device is rejected. 
   
   
       5 . The method according to  claim 4 , wherein the portion is calculated from a measurement device positioned above the rejected previously accepted measurement device along a progress of the wellbore to a deepest measurement station positioned along the progress of the wellbore. 
   
   
       6 . The method according to  claim 1 , further comprising updating a provided cache storing the determined trajectory with only the updated portion of the trajectory. 
   
   
       7 . The method according to  claim 1 , wherein where the piece of information indicates a modification of a tie-in point for the determination of the trajectory, the updating includes calculating the entire trajectory. 
   
   
       8 . The method according to  claim 7 , further comprising generating a cache for the calculated entire trajectory. 
   
   
       9 . The method according to  claim 1 , further comprising calculating and updating a true vertical depth of a point of the wellbore based on the determined trajectory. 
   
   
       10 . A system for dynamically determining a trajectory of a drilled wellbore, comprising:
 means for receiving a piece of information including data converted from a measured physical characteristic of at least one of the wellbore or drilling the wellbore, the piece of information being relevant to determining a trajectory of the wellbore; and   means for updating only a portion of the information relevant to determining a trajectory, a calculation of the portion of being affected by the received data.   
   
   
       11 . The system according to  claim 10 , wherein the physical characteristic is provided by a first measurement device. 
   
   
       12 . The system according to  claim 11 , wherein the updating means calculates the portion from a second measurement device positioned above the first measurement device along a progress of the wellbore to a deepest measurement device positioned along the progress of the wellbore. 
   
   
       13 . The system according to  claim 10 , wherein the piece of information indicates that a previously accepted measurement device is rejected. 
   
   
       14 . The system according to  claim 13 , wherein the updating means calculates the portion from a measurement device positioned above the rejected previously accepted measurement device along a progress of the wellbore to a deepest measurement station positioned along the progress of the wellbore. 
   
   
       15 . The system according to  claim 10 , further comprising means for updating a provided cache storing the determined trajectory with only the updated portion. 
   
   
       16 . The system according to  claim 10 , wherein where the piece of information indicates a modification of a tie-in point for the determination of the trajectory, the updating means calculates the entire trajectory. 
   
   
       17 . The system according to  claim 16 , further comprising means for generating a cache for the calculated entire trajectory. 
   
   
       18 . The system according to  claim 10 , further comprising means for calculating and updating a true vertical depth of a point of the wellbore based on the determined trajectory. 
   
   
       19 . A computer program product for dynamically determining a trajectory of a drilled wellbore, comprising:
 computer usable program code stored in a computer useable medium, which, when executed by a computer system, enables the computer system to:   receive a piece of information including data converted from a measured physical characteristic of at least one of the wellbore or drilling the wellbore, the piece of information being relevant to determining a trajectory of the wellbore; and   update only a portion of the information relevant to the determined trajectory, a calculation of the portion being affected by the received data.   
   
   
       20 . The program product according to  claim 19 , wherein the data indicating a change of the physical characteristic related to a first measurement device, and the portion is calculated from a second measurement device positioned immediately above the first measurement device along a progress of the wellbore to a deepest measurement device positioned along the progress of the wellbore. 
   
   
       21 . A method for converting depth indexed data into true vertical depth indexed data in a wellbore comprising:
 providing depth indexed data from a plurality of survey stations along the wellbore;   receiving a piece of information including data converted from a measured physical characteristic of each of the plurality of survey stations, the piece of information being relevant to determining a trajectory of the wellbore;   updating only a portion of the information relevant to the determined trajectory from each of the plurality of survey stations, a calculation of the portion of being affected by the received data;   calculating and updating a true vertical depth for each of the survey stations of the wellbore based on the updated portion; and   providing true vertical depth indexed data for the plurality of survey stations along the wellbore.