US2010252253A1PendingUtilityA1

Injection of treatment materials into a geological formation surrounding a well bore

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Assignee: SCHLUMBERGER TECHNOLOGY CORPPriority: Jan 13, 2006Filed: Jun 18, 2010Published: Oct 7, 2010
Est. expiryJan 13, 2026(expired)· nominal 20-yr term from priority
Inventors:Ian C. WaltonJohn W. StillAlfredo FayardCharles Woodburn
E21B 43/263E21B 43/25C09K 8/80C09K 8/62C09K 8/60
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Claims

Abstract

Methods and systems for creating fractures in a geological formation surrounding a well bore. In one implementation, a treatment material may be disposed at the bottom of the well bore. One or more propellant apparatuses may be immersed in the treatment material and a propellant may then be burned inside a first propellant apparatus to create fractures in the geological formation.

Claims

exact text as granted — not AI-modified
1 . A propellant apparatus, comprising:
 a carrier;   a propellant disposed inside the carrier; and   a treatment material imbedded inside the propellant, wherein the treatment material comprises at least one of acid, chelant, solvent, surfactant, brine, oil, and enzyme.   
     
     
         2 . The propellant apparatus of  claim 1 , wherein the treatment material comprises proppants. 
     
     
         3 . A propellant apparatus, comprising:
 a carrier;   a propellant disposed inside the carrier; and   a treatment material coating an outside surface of the propellant, wherein the treatment material comprises at least one of acid, chelant, solvent, surfactant, brine, oil, and enzyme.   
     
     
         4 . The propellant apparatus of  claim 3 , wherein the treatment material comprises proppants. 
     
     
         5 . A propellant apparatus, comprising:
 a carrier;   a propellant disposed inside the carrier; and   a treatment material coating an inside surface of the carrier, wherein the treatment material comprises at least one of acid, chelant, solvent, surfactant, brine, oil, and enzyme.   
     
     
         6 . The propellant apparatus of  claim 5 , wherein the treatment material comprises proppants. 
     
     
         7 . A propellant apparatus, comprising:
 a carrier;   a propellant disposed inside the carrier; and   a treatment material coating an outside surface of the carrier, wherein the treatment material comprises at least one of acid, chelant, solvent, surfactant, brine, oil, and enzyme.   
     
     
         8 . The propellant apparatus of  claim 7 , wherein the treatment material comprises proppants.

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