Integrated well completions

Abstract

A method includes collecting data for a borehole, designing an integrated wellbore isolation plan, the integrated wellbore isolation plan including a drilling plan and a cementing plan for the borehole, and setting zonal isolation parameters for the borehole based on the integrated wellbore isolation plan.

What is claimed is: 
     
         1 . A method, comprising
 collecting data for a borehole;   designing an integrated wellbore isolation plan, the integrated wellbore isolation plan comprising a drilling plan and a cementing plan for the borehole; and   setting zonal isolation parameters for the borehole based on the integrated wellbore isolation plan.   
     
     
         2 . The method of  claim 1 , further comprising:
 building a mechanical earth model of a formation; and   selecting placement of the borehole through the formation based on geomechanics of the formation modeled in the mechanical earth model;   wherein the drilling plan comprises the placement of the borehole.   
     
     
         3 . The method of  claim 4 , further comprising:
 collecting data from the formation; and   simulating a preliminary borehole design extending through the formation, wherein placement of the borehole is selected based on simulation results from the simulating.   
     
     
         4 . The method of  claim 1 , further comprising:
 drilling at least a portion of the borehole according to the drilling plan;   monitoring borehole conditions during drilling the borehole; and   determining if the zonal isolation parameters are achievable based on the borehole conditions.   
     
     
         5 . The method of  claim 4 , further comprising modifying the drilling plan based on the borehole conditions. 
     
     
         6 . The method of  claim 1 , further comprising:
 drilling the borehole; and   cementing at least a portion of the borehole according to the cementing plan.   
     
     
         7 . The method of  claim 6 , further comprising:
 simulating the cementing plan prior to cementing to determine if the zonal isolation parameters are achievable;   monitoring the cementing in real time; and   providing a real-time comparison between the monitored cementing and the simulated cementing plan.   
     
     
         8 . The method of  claim 7 , further comprising modifying the cementing plan when the zonal isolation parameters are determined to not be achievable. 
     
     
         9 . The method of  claim 1 , further comprising:
 mapping the collected data onto a data map of the borehole a depth along the borehole from which the collected data was collected; and   determining whether the zonal isolation parameters are achievable.   
     
     
         10 . The method of  claim 9 , wherein the collected data comprises:
 simulated data from one or more simulations of the borehole; and   measured data from the borehole.   
     
     
         11 . The method of  claim 1 , wherein the integrated wellbore isolation plan further comprises a cementing evaluation plan, the method further comprising:
 simulating cement placement along the borehole to determine when to perform the cementing evaluation plan.   
     
     
         12 . The method of  claim 11 , further comprising providing a dynamic fluid placement simulator to conduct the simulating, wherein the dynamic fluid placement simulator is constructed based on previously collected real cementing data. 
     
     
         13 . A method, comprising:
 providing a fluids position map of cement placement along a borehole generated from a dynamic fluid placement simulator;   cementing a portion of the borehole;   obtaining at least one acoustic tool response over a depth interval in the cemented portion of the borehole; and   comparing a measurement value determined from the at least one acoustic tool response to the fluids position map to determine a minimum waiting-on-cement time.   
     
     
         14 . The method of  claim 13 , further comprising:
 performing cement evaluation logging on the cemented portion of the borehole after the minimum waiting-on-cement time.   
     
     
         15 . The method of  claim 13 , further comprising updating the dynamic fluid placement simulator based the measurement value determined from the at least one acoustic tool response. 
     
     
         16 . The method of  claim 13 , further comprising:
 performing at least one modification to the cementing;   comparing the measurement value of the modified cemented portion of the borehole to the fluids position map.   
     
     
         17 . The method of  claim 13 , wherein the dynamic fluid placement simulator is constructed using borehole data acquired from the borehole, the borehole data comprising borehole shape. 
     
     
         18 . A system, comprising:
 a data repository storing drilling data, cement data, and cementing evaluation data from a borehole; and   a computer processor with instructions capable of performing:
 providing the drilling data, the cement data, and the cementing evaluation data in a common format and corresponding to a depth along the borehole from which the drilling data, the cement data, and the cementing evaluation data were collected; and 
 mapping the drilling data, the cement data, and the cementing evaluation data into a data map of the borehole along the depth of the borehole. 
   
     
     
         19 . The system of  claim 18 , wherein at least one of the drilling data, the cement data and the cementing evaluation data is collected from a simulation. 
     
     
         20 . The system of  claim 18 , wherein the computer processor further comprises instructions capable of performing:
 comparing data from the simulation with measured data.