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Title: Cementing a wellbore using cementing material encapsulated in a shell

Abstract

A system for cementing a wellbore penetrating an earth formation into which a pipe extends. A cement material is positioned in the space between the wellbore and the pipe by circulated capsules containing the cement material through the pipe into the space between the wellbore and the pipe. The capsules contain the cementing material encapsulated in a shell. The capsules are added to a fluid and the fluid with capsules is circulated through the pipe into the space between the wellbore and the pipe. The shell is breached once the capsules contain the cementing material are in position in the space between the wellbore and the pipe.

Inventors:
; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1298002
Patent Number(s):
9,416,619
Application Number:
14/055,800
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA) LLNL
DOE Contract Number:
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Oct 16
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Aines, Roger D., Bourcier, William L., Duoss, Eric B., Spadaccini, Christopher M., and Cowan, Kenneth Michael. Cementing a wellbore using cementing material encapsulated in a shell. United States: N. p., 2016. Web.
Aines, Roger D., Bourcier, William L., Duoss, Eric B., Spadaccini, Christopher M., & Cowan, Kenneth Michael. Cementing a wellbore using cementing material encapsulated in a shell. United States.
Aines, Roger D., Bourcier, William L., Duoss, Eric B., Spadaccini, Christopher M., and Cowan, Kenneth Michael. Tue . "Cementing a wellbore using cementing material encapsulated in a shell". United States. doi:. https://www.osti.gov/servlets/purl/1298002.
@article{osti_1298002,
title = {Cementing a wellbore using cementing material encapsulated in a shell},
author = {Aines, Roger D. and Bourcier, William L. and Duoss, Eric B. and Spadaccini, Christopher M. and Cowan, Kenneth Michael},
abstractNote = {A system for cementing a wellbore penetrating an earth formation into which a pipe extends. A cement material is positioned in the space between the wellbore and the pipe by circulated capsules containing the cement material through the pipe into the space between the wellbore and the pipe. The capsules contain the cementing material encapsulated in a shell. The capsules are added to a fluid and the fluid with capsules is circulated through the pipe into the space between the wellbore and the pipe. The shell is breached once the capsules contain the cementing material are in position in the space between the wellbore and the pipe.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 16 00:00:00 EDT 2016},
month = {Tue Aug 16 00:00:00 EDT 2016}
}

Patent:

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  • A system for cementing a wellbore penetrating an earth formation into which a pipe extends. A cement material is positioned in the space between the wellbore and the pipe by circulated capsules containing the cement material through the pipe into the space between the wellbore and the pipe. The capsules contain the cementing material encapsulated in a shell. The capsules are added to a fluid and the fluid with capsules is circulated through the pipe into the space between the wellbore and the pipe. The shell is breached once the capsules contain the cementing material are in position in themore » space between the wellbore and the pipe.« less
  • A primary cementing process for completion of a casing in a wellbore in fluid communication with a subterranean hydrocarbon-bearing formation below an earthen surface is described comprising: (a) admixing a gelation solution at the surface consisting essentially of a water-soluble carboxylate-containing polymer, a complex capable of crosslinking the polymer and formed of at least one chromic species and at least one acetate species, and a solvent for the polymer and the complex, (b) injecting the gelation solution into a volume behind the casing in the wellbore; and (c) crosslinking the gelation solution to substantial completion in the volume to formmore » a non-flowing crosslinked polymer cement gel which substantially cements the casing to the face of the wellbore.« less
  • This patent describes a method of cementing in a wellbore penetrating subterranean formations. It comprises: mixing a predetermined quantity of Portland cement containing at least 2 percent by weight of the predetermined quantity of Portland cement of tricalcium aluminate; at least 2 percent by weight of the predetermined quantity of the Portland cement of gypsum; and 0.3--2.0 percent by weight of the predetermined Portland cement of polyvinyl alcohol that is formed by less than 92 percent hydrolysis of the acetate moieties of polyvinyl acetate to polyvinyl alcohol; and sufficient water to form a pumpable cement slurry; and pumping the slurrymore » to a desired location in the wellbore; and allowing the slurry to harden to a solid mass.« less
  • Aqueous hydraulic cement compositions containing polymaleic anhydride as a flow-property-improving and turbulence-inducing additive and their use in cementing wells are disclosed. 8 claims
  • In a method of cementing wells to be subjected to steam treating or thermal stimulation, a heat sensitive or thermoplastic material is peripherally applied to the external surface of a substantial section of a string of well pipe prior to cementing the pipe string in a well bore. During steaming or heat treating operations, when heat is applied to the pipe string, the thermoplastic material will melt and flow. The well pipe originally coated is thus free to expand and/or grow during thermal stimulation and pipe failure is substantially inhibited. (10 claims)