Permeability flow balancing within integral screen joints

Abstract

A SAGD system including at least one borehole having a tubular therein; and at least one baffle disposed on the tubular, the baffle extending radially outwardly of the tubular into proximity with a formation.

1 . A SAGD system comprising:
 at least one borehole having a tubular therein; and   at least one baffle disposed on the tubular, the baffle extending radially outwardly of the tubular into proximity with a formation.   
     
     
         2 . A SAGD system as claimed in  claim 1  wherein the at least one baffle is configured to withstand a heated fluid. 
     
     
         3 . A SAGD system as claimed in  claim 2  wherein the heated fluid is steam. 
     
     
         4 . A SAGD system as claimed in  claim 1  wherein the system further includes a plurality of open hole anchors. 
     
     
         5 . A SAGD system as claimed in  claim 4  wherein the anchors are spaced along a length of the tubular. 
     
     
         6 . A downhole configuration for a SAGD system comprising:
 a tubular; and   one or more baffles on the tubular, the one or more baffles configured to be extendible in a radial direction from the tubular to reduce annular flow along the tubular when installed in a borehole.   
     
     
         7 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the radial direction is radially outwardly from the tubular. 
     
     
         8 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the one or more baffles are configured to extend radially into proximity with a borehole within which the tubular is intended to be installed. 
     
     
         9 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the one or more baffles are constructed of a heat tolerant material. 
     
     
         10 . A downhole configuration for a SAGD system as claimed in  claim 9  wherein the heat tolerant material is metal. 
     
     
         11 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the one or more baffles are metal deformable seals. 
     
     
         12 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the one or more baffles come into contact with a formation defining the borehole. 
     
     
         13 . A downhole configuration for a SAGD system as claimed in  claim 6  wherein the one or more baffles form a seal with a formation defining the borehole. 
     
     
         14 . A borehole system comprising:
 a borehole; and   one or more metal-to-formation baffles extending radially to proximity with a formation interface.   
     
     
         15 . A borehole system as claimed in  claim 14  wherein the one or more metal-to-formation baffles are positioned relative to the borehole to contain a fluid to a target area. 
     
     
         16 . A borehole system as claimed in  claim 15  wherein the fluid is heated. 
     
     
         17 . A borehole system as claimed in  claim 14  wherein the one or more metal to formation baffles are configured and positioned to tailor a production profile of the wellbore system. 
     
     
         18 . A borehole system comprising:
 a tubular configured to be disposed within an open hole borehole, the tubular being intended to be exposed to a heated fluid; and   one or more tubular-to-formation baffles spaced along the tubular and extending into proximity with the formation.   
     
     
         19 . A borehole system as claimed in  claim 18  wherein one or more of the one more tubular-to-formation baffles comprise metal material. 
     
     
         20 . A borehole system as claimed in  claim 18  wherein one or more of the one more tubular-to-formation baffles comprise polymeric material.