Micro-Crosslinked Gels and Associated Methods
AssigneeHalliburton Energy Services, Inc.
InventorsJason E. Bryant, Thomas D. Welton, Richard W. Pauls
Life of this patent
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Abstract
Provided are methods that include a method comprising: providing a micro-crosslinked gel that comprises micro-domains; and placing the micro-crosslinked gel into a subterranean formation via a well bore penetrating the formation at a desired pressure. In another aspect, the invention provides compositions that include a micro-crosslinked gel comprising a jigsaw configuration of micro-domains and particulates.
Claims24
A method comprising:
- providing a micro-crosslinked gel that comprises micro-domains;
- and
- placing the micro-crosslinked gel into a subterranean formation via a well bore penetrating the subterranean formation at a desired pressure.
A method comprising:
- providing a base gel, wherein the base gel comprises:
- a base fluid;
- and
- a gelling agent;
- providing a crosslinking agent;
- crosslinking at least a portion of the gelling agent in the base gel with the crosslinking agent to form a substantially permanently crosslinked gel;
- and
- applying shear to the substantially permanently crosslinked gel so as to form a micro-crosslinked gel that comprises at least a plurality of micro-domains.
A micro-crosslinked gel comprising a jigsaw puzzle configuration of micro-domains and particulates.
A method comprising:
- providing a base gel, wherein the base gel comprises:
- a base fluid;
- and
- a gelling agent;
- providing a crosslinking agent;
- crosslinking at least a portion of the gelling agent in the base gel with the crosslinking agent to form a substantially permanently crosslinked gel;
- applying shear to the substantially permanently crosslinked gel so as to form a micro-crosslinked gel that comprises at least:
- a plurality of micro-domains;
- and
- a plurality particulates;
- and
- placing the micro-crosslinked gel into a subterranean formation via a well bore penetrating the subterranean formation at a pressure that is above the fracture gradient of the subterranean formation.
A method comprising:
- providing a base gel, wherein the base gel comprises:
- a base fluid;
- and
- a gelling agent;
- providing a crosslinking agent;
- crosslinking at least a portion of the gelling agent in the base gel with the crosslinking agent to form a substantially permanently crosslinked gel;
- applying shear to the substantially permanently crosslinked gel so as to form a micro-crosslinked gel that comprises at least:
- a plurality of micro-domains;
- and
- a plurality particulates;
- placing the micro-crosslinked gel in a subterranean formation;
- and
- forming a gravel pack in or near a selected portion of the subterranean formation.
Dependencies are inferred from the claim text.