Method and system for delivering fluids into a formation to promote formation breakdown

Abstract

A method of delivering fluids into an underground geological formation to promote formation breakdown includes inputting, into a user interface, one or more geological formation parameters, inputting, into the user interface, one or more wellbore parameters, inputting, into the user interface, one or more fluid injection parameters, and calculating a desired breakdown pumping style based on each of the one or more geological formation parameters, one or more wellbore parameters, and one or more fluid injection parameters to promote geological formation breakdown.

1 . A method of delivering fluids into an underground geological formation to promote formation breakdown comprising:
 inputting, into a user interface, one or more geological formation parameters;   inputting, into the user interface, one or more wellbore parameters;   inputting, into the user interface, one or more fluid injection parameters; and   calculating a desired breakdown pressure style based on each of the one or more formation parameters, one or more wellbore parameters, and one or more fluid injection parameters to promote geological formation breakdown.   
     
     
         2 . The method of  claim 1 , wherein inputting, into the user interface, one or more geological formation parameters includes inputting at least one of a geological formation lithological type and reservoir mechanical properties of the geological formation. 
     
     
         3 . The method of  claim 1 , wherein inputting, into the user interface, one or more wellbore parameters includes inputting at least one of a wellbore depth, a wellhead pressure rating, open hole configuration, casing configuration and a wellbore deviation. 
     
     
         4 . The method of  claim 1 , wherein inputting, into the user interface, one or more fluid injection parameters includes inputting at least one of a fluid type, a frac pump type, and a fluid rheological properties. 
     
     
         5 . The method of  claim 1 , further comprising: inputting, into the user interface, at least one drilling parameter and completion parameter. 
     
     
         6 . The method of  claim 5 , wherein inputting, into the user interface, at least one drilling parameter includes inputting at least one of a number of perforation clusters, a number of perforations per perforation cluster, perforation intervals and perforation diameter. 
     
     
         7 . The method of  claim 1 , further comprising: monitoring fluid injection pressure of the desired pumping pattern. 
     
     
         8 . The method of  claim 7 , further comprising: monitoring a fluid injection rate of change of the pumping pressure of the desired pumping pattern. 
     
     
         9 . The method of  claim 8 , further comprising: adjusting the rate of change of fluid injection pressure based on one of the fluid injection pressure and the rate of change of the fluid injection pressure of the desired pattern. 
     
     
         10 . A system comprising:
 a user interface;   a memory; and   a central processor unit (CPU), communicatively coupled to the memory and the user interface, the system configured to perform a method comprising:
 receiving, into the user interface, one or more formation parameters; 
 receiving, into the user interface, one or more wellbore parameters; 
 receiving, into the user interface, one or more fluid injection parameters; and 
 calculating a desired breakdown pressure style based on each of the one or more formation parameters, one or more wellbore parameters, and one or more fluid injection parameters to promote geological formation breakdown. 
   
     
     
         11 . The system of  claim 10 , wherein receiving, into the user interface, one or more geological formation parameters includes receiving at least one of a geological formation lithological type and reservoir mechanical properties of the geological formation. 
     
     
         12 . The system of  claim 10 , wherein receiving, into the user interface, one or more wellbore parameters includes receiving at least one of a wellbore depth, a wellhead pressure rating, open hole configuration, casing configuration and a wellbore deviation. 
     
     
         13 . The system of  claim 10 , wherein receiving, into the user interface, one or more fluid injection parameters includes inputting at least one of a fluid type, a frac pump type, and a fluid rheological properties. 
     
     
         14 . The system of  claim 10 , further comprising: receiving, into the user interface, at least one drilling parameter and completion parameter. 
     
     
         15 . The system of  claim 14 , wherein receiving, into the user interface, at least one drilling parameter includes receiving at least one of a number of perforation clusters, a number of perforations per perforation cluster, perforation intervals and perforation diameter. 
     
     
         16 . The system of  claim 10 , further comprising: monitoring fluid injection pressure of the desired pumping pattern. 
     
     
         17 . The system of  claim 16 , further comprising: monitoring a rate of change of the fluid injection pressure of the desired fluid injection pattern. 
     
     
         18 . The system of  claim 17 , further comprising: adjusting the rate of change of fluid injection pressure based on one of the fluid injection pressure and the rate of change of the fluid injection pressure of the desired pattern. 
     
     
         19 . The system of  claim 10 , further comprising: introducing a breakdown fluid into a wellbore at the desired breakdown pressure style, wherein the breakdown fluid comprises a reactive fluid including one of a hydrochloric acid, blends of hydrochloric acid, hydrofluoric acid and citric acid. 
     
     
         20 . The system of  claim 10 , further comprising: introducing a breakdown fluid into a wellbore at the desired breakdown pressure style, wherein the breakdown fluid comprises a gas including one of a nitrogen gas, a nitrogen and carbon dioxide mixture, a mixture of carbon dioxide and a liquid, and a gas from a combusted propellant. 
     
     
         21 . The system of  claim 10 , further comprising: introducing a breakdown fluid into a wellbore at the desired breakdown pressure style, wherein the breakdown fluid comprises a mixture of a reactive fluid and a gas.