Methods and compositions for sealing an expandable tubular in a wellbore
AssigneeHalliburton Energy Services, Inc.
InventorsLance E. Brothers, M. Vikram Rao, Anne M. Culotta
Life of this patent
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Abstract
Methods and compositions are provided for sealing an expandable tubular in a wellbore wherein the methods basically comprise placing the expandable tubular in the wellbore, placing a resilient sealing composition into the wellbore, expanding the expandable tubular and allowing the sealing composition to set in the wellbore.
Claims137
A method of sealing an expandable tubular in a wellbore comprising the steps of:
- placing the expandable tubular in the wellbore;
- placing a resilient sealing composition into the wellbore;
- expanding the expandable tubular;
- and
- allowing the sealing composition to set in the wellbore.
A method of sealing an expandable tubular in a wellbore comprising the steps of:
- placing the expandable tubular in the wellbore;
- placing a polymeric sealing composition into the wellbore;
- expanding the expandable tubular;
- and
- allowing the sealing composition to set in the wellbore.
A method of sealing an expandable tubular in a wellbore comprising the steps of:
- placing the expandable tubular in the wellbore;
- placing a foamed sealing composition into the wellbore;
- expanding the expandable tubular;
- and
- allowing the sealing composition to set in the wellbore.
A method of sealing an expandable tubular in a wellbore comprising the steps of:
- (a) placing the expandable tubular in the wellbore;
- (b) placing a resilient sealing composition into the wellbore before or after step (a);
- (c) expanding the expandable tubular before or after step (b);
- and
- (d) allowing the sealing composition to set in the wellbore before, after or during step (c).
A method of sealing expandable tubulars in a wellbore comprising the steps of:
- (a) placing a first expandable tubular in the wellbore;
- (b) placing a first resilient sealing composition into the wellbore before or after step (a);
- (c) expanding the first expandable tubular before or after step (b);
- (d) allowing the first resilient sealing composition to set in the wellbore before, after or during step (c);
- (e) having or extending the wellbore extend below the first expandable tubular;
- (f) placing a second expandable tubular in the wellbore;
- (g) placing a second resilient sealing composition into the wellbore before or after step (f);
- (h) expanding the second expandable tubular before or after step (g);
- and
- (i) allowing the second resilient sealing composition to set in the wellbore before, after or during step (h).
Dependencies are inferred from the claim text.