Method and product for use of guar powder in treating subterranean formations

Abstract

A method of treating a subterranean formation using a well-treating fluid is provided, the subterranean formation penetrated by a wellbore, the method comprising preparing the well-treating fluid by admixing a fast-hydrating high-viscosity guar powder to a hydrating liquid to prepare the well-treating fluid; hydrating the guar powder; admixing a cross-linker to the well-treating fluid; and introducing the well-treating fluid to the wellbore at a temperature and a pressure sufficient to treat the subterranean formation. A product is also provided comprising a well-treating fluid for use in treating subterranean formations with the well-treating fluid comprising a hydrating liquid; a gelling agent, the gelling agent comprising a fast-hydrating high-viscosity guar powder; and a cross-linker.

I claim:  
     
         1 . A method of treating a subterranean formation using a well-treating fluid, the subterranean formation penetrated by a wellbore, the method comprising: 
 (A) preparing the well-treating fluid by admixing a fast-hydrating high-viscosity guar powder to a hydrating liquid to prepare the well-treating fluid;    (B) hydrating the guar powder;    (C) admixing a cross-linker to the well-treating fluid; and    (D) introducing the well-treating fluid to the wellbore at a temperature and a pressure sufficient to treat the subterranean formation.    
     
     
         2 . The method of  claim 1 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         3 . The method of  claim 1 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         4 . The method of  claim 1 , wherein the guar powder of (A) is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         5 . The method of  claim 4 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         6 . The method of  claim 1 , wherein (C) comprises using a cross-linker comprising a cross-linking agent.  
     
     
         7 . The method of  claim 6 , wherein a delaying agent is admixed to the well-treating fluid prior to the admixing of the cross-linker.  
     
     
         8 . The method of  claim 1 , wherein (C) comprises using a cross-linker comprising a cross-linking agent and a delaying agent.  
     
     
         9 . The method of  claim 8 , wherein the cross-linker is disposed to delay the cross-linking until after the well-treating fluid is introduced into the wellbore.  
     
     
         10 . The method of  claim 8 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         11 . The method of  claim 8 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         12 . The method of  claim 8 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         13 . The method of  claim 8 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         14 . The method of  claim 1 , wherein (C) further comprises admixing a delayed breaking agent to the well-treating fluid.  
     
     
         15 . The method of  claim 14 , wherein (C) further comprises admixing the delayed breaking agent in an amount comprising from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         16 . The method of  claim 14 , wherein (C) further comprises admixing a propping agent to the well-treating fluid.  
     
     
         17 . The method of  claim 1 , wherein (C) further comprises admixing a propping agent to the well-treating fluid.  
     
     
         18 . The method of  claim 1 , wherein (D) further comprises admixing a propping agent to the well-treating fluid before introduction of the well-treating fluid into the wellbore.  
     
     
         19 . The method of  claim 18 , wherein (D) further comprises admixing a delayed breaking agent to the well-treating fluid before introduction of the well-treating fluid into the wellbore.  
     
     
         20 . The method of  claim 19 , wherein the delayed breaking agent is admixed in an amount comprising from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         21 . The method of  claim 1 , wherein (D) further comprises admixing a delayed breaking agent to the well-treating fluid before introduction of the well-treating fluid into the wellbore.  
     
     
         22 . The method of  claim 21 , wherein the delayed breaking agent is admixed in an amount comprising from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         23 . The method of  claim 1 , further comprising: 
 (E) introducing a breaking agent to the wellbore, the breaking agent introduced after the subterranean formation has been treated with the well-treating fluid.    
     
     
         24 . A well-treating fluid for use in treating subterranean formations, the well-treating fluid comprising: 
 a hydrating liquid;    a gelling agent, the gelling agent comprising a fast-hydrating high-viscosity guar powder; and    a cross-linker.    
     
     
         25 . The well-treating fluid of  claim 24 , wherein the guar powder comprises from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         26 . The well-treating fluid of  claim 24 , wherein the guar powder comprises from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         27 . The well-treating fluid of  claim 24 , wherein the guar powder is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         28 . The well-treating fluid of  claim 27 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         29 . The well-treating fluid of  claim 24 , wherein the cross-linker comprises a cross-linking agent.  
     
     
         30 . The well-treating fluid of  claim 29 , wherein the well-treating fluid further comprises a delaying agent.  
     
     
         31 . The well-treating fluid of  claim 24 , wherein the cross-linker comprises a cross-linking agent and a delaying agent.  
     
     
         32 . The well-treating fluid of  claim 31 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         33 . The well-treating fluid of  claim 31 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         34 . The well-treating fluid of  claim 31 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         35 . The well-treating fluid of  claim 31 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         36 . The well-treating fluid of  claim 24 , wherein the well-treating fluid further comprises a delayed breaking agent.  
     
     
         37 . The well-treating fluid of  claim 36 , wherein the delayed breaking agent comprises from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         38 . The well-treating fluid of  claim 36 , wherein the well-treating fluid further comprises a propping agent.  
     
     
         39 . The well-treating fluid of  claim 24 , wherein the well-treating fluid further comprises a propping agent.  
     
     
         40 . A well-treating fluid for use in treating subterranean formations, the treatment comprising a fracture stimulation, the well-treating fluid comprising: 
 a hydrating liquid;    a gelling agent, the gelling agent comprising a fast-hydrating high-viscosity guar powder;    a cross-linker; and    a propping agent.    
     
     
         41 . The well-treating fluid of  claim 40 , wherein the guar powder comprises from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         42 . The well-treating fluid of  claim 40 , wherein the guar powder comprises from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         43 . The well-treating fluid of  claim 40 , wherein the guar powder is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         44 . The well-treating fluid of  claim 43 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         45 . The well-treating fluid of  claim 40 , wherein the cross-linker comprises a cross-linking agent.  
     
     
         46 . The well-treating fluid of  claim 45 , wherein the well-treating fluid further comprises a delaying agent.  
     
     
         47 . The well-treating fluid of  claim 40 , wherein the cross-linker comprises a cross-linking agent and a delaying agent.  
     
     
         48 . The well-treating fluid of  claim 47 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         49 . The well-treating fluid of  claim 47 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         50 . The well-treating fluid of  claim 47 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         51 . The well-treating fluid of  claim 47 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         52 . The well-treating fluid of  claim 40 , wherein the well-treating fluid further comprises a delayed breaking agent.  
     
     
         53 . The well-treating fluid of  claim 52 , wherein the delayed breaking agent comprises from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         54 . A well-treating fluid for use in treating subterranean formations, the treatment comprising a fracture stimulation, the well-treating fluid comprising: 
 a hydrating liquid;    a gelling agent, the gelling agent comprising a fast-hydrating high-viscosity guar powder;    a cross-linker, the cross-linker comprising a cross-linking agent and a delaying agent;    a delayed breaking agent; and    a propping agent.    
     
     
         55 . The well-treating fluid of  claim 54 , wherein the guar powder further comprises from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         56 . The well-treating fluid of  claim 54 , wherein the guar powder further comprises from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         57 . The well-treating fluid of  claim 54 , wherein the guar powder is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         58 . The well-treating fluid of  claim 57 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         59 . The well-treating fluid of  claim 54 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         60 . The well-treating fluid of  claim 54 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         61 . The well-treating fluid of  claim 54 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         62 . The well-treating fluid of  claim 54 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         63 . The well-treating fluid of  claim 54 , wherein the delayed breaking agent comprises from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         64 . A method of treating a subterranean formation using a well-treating fluid, the subterranean formation penetrated by a wellbore, the method comprising: 
 (A) preparing the well-treating fluid by admixing a fast-hydrating high-viscosity guar powder to a hydrating liquid to prepare the well-treating fluid;    (B) hydrating the guar powder;    (C) admixing a cross-linker and a delayed breaking agent to the well-treating fluid; and    (D) introducing the well-treating fluid to the wellbore at a temperature and a pressure sufficient to treat the subterranean formation.    
     
     
         65 . The method of  claim 64 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         66 . The method of  claim 64 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         67 . The method of  claim 64 , wherein the guar powder of (A) is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         68 . The method of  claim 67 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         69 . The method of  claim 64 , wherein (C) comprises using a cross-linker comprising a cross-linking agent.  
     
     
         70 . The method of  claim 69 , wherein a delaying agent is admixed to the well-treating fluid prior to the admixing of the cross-linker.  
     
     
         71 . The method of  claim 64 , wherein (C) comprises using a cross-linker comprising a cross-linking agent and a delaying agent.  
     
     
         72 . The method of  claim 71 , wherein the cross-linker is disposed to delay the cross-linking until after the well-treating fluid is introduced into the wellbore.  
     
     
         73 . The method of  claim 71 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         74 . The method of  claim 71 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         75 . The method of  claim 71 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         76 . The method of  claim 71 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         77 . The method of  claim 64 , wherein (C) further comprises admixing the delayed breaking agent in an amount comprising from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         78 . The method of  claim 64 , wherein (C) further comprises admixing a propping agent to the well-treating fluid.  
     
     
         79 . The method of  claim 64 , wherein (D) further comprises admixing a propping agent to the well-treating fluid.  
     
     
         80 . A method of performing a fracture treatment in a subterranean formation using a well-treating fluid, the subterranean formation penetrated by a wellbore, the method comprising: 
 (A) preparing the well-treating fluid by admixing a fast-hydrating high-viscosity guar powder to a hydrating liquid to prepare the well-treating fluid;    (B) hydrating the guar powder;    (C) admixing a cross-linker and a propping agent to the well-treating fluid; and    (D) introducing the well-treating fluid to the wellbore at a temperature and a pressure sufficient to stimulate the fracture treatment of the subterranean formation.    
     
     
         81 . The method of  claim 80 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         82 . The method of  claim 80 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         83 . The method of  claim 80 , wherein the guar powder of (A) is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         84 . The method of  claim 83 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         85 . The method of  claim 80 , wherein (C) comprises using a cross-linker comprising a cross-linking agent.  
     
     
         86 . The method of  claim 85 , wherein a delaying agent is admixed to the well-treating fluid prior to the admixing of the cross-linker.  
     
     
         87 . The method of  claim 80 , wherein (C) comprises using a cross-linker comprising a cross-linking agent and a delaying agent.  
     
     
         88 . The method of  claim 87 , in which the cross-linker is disposed to delay the cross-linking until after the well-treating fluid is introduced into the wellbore.  
     
     
         89 . The method of  claim 87 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         90 . The method of  claim 87 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         91 . The method of  claim 87 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         92 . The method of  claim 87 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         93 . The method of  claim 80 , wherein (C) further comprises admixing a delayed breaking agent to the well-treating fluid.  
     
     
         94 . The method of  claim 93 , wherein (C) further comprises admixing the delayed breaking agent in an amount comprising from about 0.01 to about 2.5 percent by weight of the hydrating liquid.  
     
     
         95 . The method of  80 , further comprising: 
 (E) introducing a breaking agent to the wellbore.    
     
     
         96 . A method of performing a fracture treatment to a subterranean formation using a well-treating fluid, the subterranean formation penetrated by a wellbore, the method comprising: 
 (A) preparing the well-treating fluid by admixing a fast-hydrating high-viscosity guar powder to a hydrating liquid to prepare the well-treating fluid;    (B) hydrating the guar powder;    (C) admixing a cross-linker, a propping agent, and a delayed breaking agent to the well-treating fluid, wherein the cross-linker comprises a delaying agent and a cross-linking agent, and wherein the cross-linker is disposed to delay the cross-linking until after the well-treating fluid is introduced to the wellbore;    (D) introducing the well-treating fluid to the wellbore at a temperature and a pressure sufficient to stimulate the fracture treatment of the subterranean formation; and    (E) breaking the well-treating fluid with the delayed breaking agent, the delayed breaking agent disposed to delay breaking of the well-treating fluid until after stimulation of the fracture treatment.    
     
     
         97 . The method of  claim 96 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.05 to about 1.0 percent by weight of the hydrating liquid.  
     
     
         98 . The method of  claim 96 , wherein (A) further comprises admixing the guar powder in an amount comprising from about 0.15 to about 0.3 percent by weight of the hydrating liquid.  
     
     
         99 . The method of  claim 96 , wherein the guar powder of (A) is selected from the group consisting of: 
 (1) a de-polymerized fast-hydrating guar powder;    (2) a derivative of the de-polymerized fast-hydrating guar powder; and    (3) a derivative of the fast-hydrating high-viscosity guar powder.    
     
     
         100 . The method of  claim 99 , wherein the derivative of the fast-hydrating high-viscosity guar powder and the derivative of the de-polymerized fast-hydrating guar powder are selected from the group consisting of: 
 (1) hydroxy propyl guar powder;    (2) carboxy methyl guar powder; and    (3) carboxy methyl hydroxy propyl guar powder.    
     
     
         101 . The method of  claim 96 , wherein the cross-linking agent comprises from about 10.0 to about 40.0 percent by weight of the guar powder.  
     
     
         102 . The method of  claim 96 , wherein the cross-linking agent comprises from about 20.0 to about 35.0 percent by weight of the guar powder.  
     
     
         103 . The method of  claim 96 , wherein the delaying agent comprises from about 0.5 to about 25.0 percent by weight of the guar powder.  
     
     
         104 . The method of  claim 96 , wherein the delaying agent comprises from about 2.0 to about 10.0 percent by weight of the guar powder.  
     
     
         105 . The method of  claim 96 , wherein (C) further comprises admixing the delayed breaking agent in an amount comprising from about 0.01 to about 2.5 percent by weight of the guar powder.