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Title: Using colloidal silica as a zonal isolation material and fast path blocker in geological formations

Abstract

A system for blocking fast flow paths in geological formations includes preparing a solution of colloidal silica having a nonviscous phase and a solid gel phase. The solution of colloidal silica is injected into the geological formations while the solution of colloidal silica is in the nonviscous phase. The solution of colloidal silica is directed into the fast flow paths and reaches the solid gel phase in the fast flow paths thereby blocking flow of fluid in the fast paths.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1632467
Patent Number(s):
10538990
Application Number:
15/875,183
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 01/19/2018
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 02 PETROLEUM

Citation Formats

Bourcier, William L., Roberts, Sarah K., Roberts, Jeffery J., Ezzedine, Souheil M., and Hunt, Jonathan D. Using colloidal silica as a zonal isolation material and fast path blocker in geological formations. United States: N. p., 2020. Web.
Bourcier, William L., Roberts, Sarah K., Roberts, Jeffery J., Ezzedine, Souheil M., & Hunt, Jonathan D. Using colloidal silica as a zonal isolation material and fast path blocker in geological formations. United States.
Bourcier, William L., Roberts, Sarah K., Roberts, Jeffery J., Ezzedine, Souheil M., and Hunt, Jonathan D. Tue . "Using colloidal silica as a zonal isolation material and fast path blocker in geological formations". United States. https://www.osti.gov/servlets/purl/1632467.
@article{osti_1632467,
title = {Using colloidal silica as a zonal isolation material and fast path blocker in geological formations},
author = {Bourcier, William L. and Roberts, Sarah K. and Roberts, Jeffery J. and Ezzedine, Souheil M. and Hunt, Jonathan D.},
abstractNote = {A system for blocking fast flow paths in geological formations includes preparing a solution of colloidal silica having a nonviscous phase and a solid gel phase. The solution of colloidal silica is injected into the geological formations while the solution of colloidal silica is in the nonviscous phase. The solution of colloidal silica is directed into the fast flow paths and reaches the solid gel phase in the fast flow paths thereby blocking flow of fluid in the fast paths.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {1}
}

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