Electrically conductive oil-based fluids

Abstract

Capped carbon-based nanoparticles may be added to an oil-based fluid to improve the electrical conductivity of the oil-based fluid. The oil-based fluid may be a drilling fluid, a completion fluid, a drill-in fluid, a stimulation fluid, a servicing fluid, and combinations thereof. In a non-limiting embodiment, the oil-based fluid composition may be circulated in a subterranean reservoir wellbore.

What is claimed is: 
     
         1 . A method comprising:
 adding capped carbon-based nanoparticles in the form of capped graphene oxide to an oil-based fluid to form a fluid composition, wherein the electrical conductivity of the fluid composition is higher than the electrical conductivity of the oil-based fluid without the capped graphene oxide.   
     
     
         2 . The method of  claim 1 , wherein the capped graphene oxide is added to the oil-based fluid prior to circulating the fluid composition into a subterranean reservoir wellbore. 
     
     
         3 . The method of  claim 1 , wherein the capped graphene oxide is added to the oil-based fluid after introducing the oil-based fluid into a subterranean reservoir wellbore. 
     
     
         4 . The method of  claim 1 , wherein the fluid composition further comprises non-capped carbon-based nanoparticles. 
     
     
         5 . The method of  claim 4 , wherein the amount of non-capped carbon-based nanoparticles within the fluid composition ranges from about 0.0001 wt % to about 15 wt %. 
     
     
         6 . The method of  claim 1 , wherein the amount of capped graphene oxide within the fluid composition ranges from about 0.0001 wt % to about 25 wt %. 
     
     
         7 . The method of  claim 1 , wherein the capped graphene oxide is chemically capped. 
     
     
         8 . The method of  claim 7 , wherein the capped graphene oxide is functionalized before being chemically capped. 
     
     
         9 . The method of  claim 1 , wherein the capped graphene oxide is formed by combining non-capped graphene oxide with a metal carbonyl species capping component. 
     
     
         10 . The method of  claim 1 , further comprising using the fluid composition to perform a procedure selected from the group consisting of well logging, drilling, completion, fracturing, acidizing, stimulating, cementing, and combinations thereof. 
     
     
         11 . The method of  claim 1 , wherein the oil-based fluid is a downhole fluid selected from a group consisting of a drilling fluid, a completion fluid, a drill-in fluid, a stimulation fluid, a servicing fluid, and combinations thereof.