Compositions And Methods For Controlled Break Of Fluid-Loss Barriers Post-Perforation

Abstract

Embodiments of the disclosure are materials, methods, and tools to make and break fluid loss control barriers within the perforations of a wellbore on-demand. Tools include heat emitting tools, magnetic tools, acoustic tools, gamma ray tools, and vacuum tools.

What is claimed is: 
     
         1 . A method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well in a formation, comprising:
 perforating a wellbore to form the wellbore perforations between the wellbore and the formation;   forming, within the wellbore perforations, a fluid loss control barrier comprising heat susceptible material;   inserting a heat emitting tool comprising a heater into the wellbore; and   applying heat to the wellbore perforations using the heater.   
     
     
         2 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heater is a heat coil. 
     
     
         3 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat susceptible material comprises wax. 
     
     
         4 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat susceptible material comprises an emulsion. 
     
     
         5 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 4 , wherein the emulsion is an oil/water emulsion. 
     
     
         6 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat emitting tool further comprises a power source. 
     
     
         7 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 6 , wherein the power source is a downhole battery. 
     
     
         8 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat emitting tool further comprises a sand screen located above the heater. 
     
     
         9 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat from the heater penetrates less than 5 feet, less than 4 feet, less than 3 feet, less than 2 feet, less than 1.5 feet, less than 1 foot, or less than 7 inches into the formation from the exterior of the wellbore. 
     
     
         10 . The method of for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat from the heater penetrates at least 6 inches, 9 inches, 1 foot, 1.5 feet, or 2 feet into the formation from the wellbore. 
     
     
         11 . The method of for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat emitting tool is attached to a wash-pipe. 
     
     
         12 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat emitting tool is attached to a lower completion. 
     
     
         13 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , wherein the heat emitting tool is embedded in a sand screen. 
     
     
         14 . The method of making and removing fluid-loss barriers in a wellbore perforations prior to producing a well of  claim 1 , wherein applying heat to the wellbore perforations using the heater happens at least partially concurrently with installing a lower completion. 
     
     
         15 . The method of making and removing fluid-loss barriers in a wellbore perforations prior to producing a well of  claim 1 , wherein applying heat to the wellbore perforations using the heater happens after installing a lower completion. 
     
     
         16 . The method for making and removing fluid-loss barriers in wellbore perforations prior to producing a well of  claim 1 , further comprising installing an upper completion prior to inserting the heat emitting tool. 
     
     
         17 . An on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation comprising:
 perforating cement and casing located between the wellbore and the formation;   creating a fluid loss control barrier comprising fluid loss control material within the perforations, thereby plugging the perforations such that fluid cannot move between the interior of the well and the formation; and   lowering a perforation fluid loss barrier breaking tool into the wellbore past the perforations, thereby breaking the fluid loss control barrier and allowing fluid movement between the interior of the well and the formation.   
     
     
         18 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the perforation fluid loss barrier breaking tool physically removes the fluid loss control material from the fluid loss control barrier. 
     
     
         19 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the perforation fluid loss barrier breaking tool degrades the fluid loss control material from the fluid loss control barrier. 
     
     
         20 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the fluid loss control barrier comprises microwave susceptible particles and the perforation fluid loss barrier breaking tool comprises a microwave generator. 
     
     
         21 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the fluid loss control barrier comprises heat susceptible particles and the perforation fluid loss barrier breaking tool comprises a heater. 
     
     
         22 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the fluid loss control barrier comprises gamma ray susceptible particles and the perforation fluid loss barrier breaking tool comprises a gamma ray generator. 
     
     
         23 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the fluid loss control barrier comprises acoustic susceptible particles and the perforation fluid loss barrier breaking tool comprises an acoustic force generator. 
     
     
         24 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the perforation fluid loss barrier breaking tool is attached to a wash-pipe. 
     
     
         25 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the perforation fluid loss barrier breaking tool is attached to a lower completion. 
     
     
         26 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein the perforation fluid loss barrier breaking tool is embedded in a sand screen. 
     
     
         27 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein breaking the fluid loss control barrier occurs at least partially concurrently with installing the lower completion. 
     
     
         28 . The on-demand method for making and removing fluid-loss barriers from perforations connecting a wellbore with a formation of  claim 17 , wherein breaking the fluid loss control barrier happens after installing the lower completion.