摘要:
The present invention relates to methods for controlling the migration of particulates, such as proppant and formation sands, from subterranean formations using solutions of tackifying materials. One embodiment of the present invention provides a method of treating a subterranean formation comprising the steps of placing a tackifying composition into the subterranean formation and then placing an after-flush fluid into the subterranean formation.
摘要:
The present invention relates to methods and compositions for removing resin coatings. More particularly, the present invention relates to methods and compositions for removing coatings comprising epoxy and/or furan. Some embodiments of the methods of the present invention comprise removing a resin coating from a surface comprising the step of applying to the surface a cleaning solution comprising: a pH-adjusting agent, a solvent, and water. Other embodiments of the present invention comprise cleaning solutions comprising a pH-adjusting agent, a solvent, and water wherein the cleaning solution is suitable for use in cleaning a resin from a surface.
摘要:
A method of consolidating a proppant particulates comprising substantially coating proppant particulates with an integrated consolidation fluid comprising a hardening agent that itself comprises a piperazine, a derivative of piperazine, or a combination thereof; placing the coated proppant particulates into a portion of a subterranean formation; and, allowing the integrated consolidation fluid to substantially cure. A method of stabilizing a portion of a subterranean formation comprising applying a preflush solution to the subterranean formation; applying an integrated consolidation fluid to the subterranean formation, wherein the integrated consolidation fluid comprises a hardening agent component itself comprising a piperazine, a derivative of piperazine, or a combination thereof; and, allowing the integrated consolidation fluid to substantially cure. An integrated consolidation fluid capable of consolidating a subterranean formation comprising a hardenable resin component and a hardening agent component itself comprising a piperazine, a derivative of piperazine, or a combination thereof.
摘要:
Methods comprising: providing at least a plurality of liquid hardenable resin coated particulates that have been at least partially coated with a liquid hardenable resin component; providing at least a plurality of liquid hardening agent coated particulates that have been at least partially coated with a liquid hardening agent component; suspending the liquid hardenable resin coated particulates and the liquid hardening agent coated particulates in a treatment fluid; and placing the treatment fluid into a subterranean formation. Methods comprising: providing at least a plurality of coated particulates that have been at least partially coated with one component of a two component resin system; coating at least a plurality of the coated particulates on a job site with a second component of a two component resin system; suspending the coated particulates in a treatment fluid; and placing the treatment fluid into a subterranean formation.
摘要:
A method of propping at least one fracture in a subterranean formation, that comprises forming a plurality of proppant aggregates, each proppant aggregate comprising a binding fluid and a filler material, and introducing the plurality of proppant aggregates into the at least one fracture, is provided. Methods of fracturing a subterranean formation also are provided.
摘要:
Methods comprising: providing a consolidating agent emulsion composition that comprises an aqueous fluid, a surfactant, and a consolidating agent; and coating at least a plurality of particulates with the consolidating agent emulsion to produce a plurality of consolidating agent emulsion coated particulates. Methods comprising: providing a treatment fluid comprising a consolidating agent emulsion comprising an aqueous fluid, an amine surfactant, and a consolidating agent; and introducing the treatment fluid into a subterranean formation. Methods comprising the steps of: coating a plurality of particulates with a consolidating agent emulsion to produce consolidating agent emulsion coated particulates; providing a treatment fluid comprising an aqueous fluid, a surfactant, and a consolidating agent; introducing the treatment fluid into a subterranean formation. Consolidating agent emulsion compositions comprising: an aqueous fluid; a surfactant; and a consolidating agent comprising a non-aqueous tackifying agent or resin.
摘要:
At least one method is provided comprising: providing a tackifying compound and at least one surfactant; mixing the surfactant with the tackifying compound to form a tackifying compound surfactant mixture; coating the tackifying compound surfactant mixture onto particulates to form coated particulates; mixing the coated particulates into a treatment fluid; and placing the treatment fluid into a subterranean formation.
摘要:
Methods of increasing the permeability of a portion of a subterranean formation may comprise providing a remediation fluid capable of decreasing the tackiness of a tackifying agent, the remediation fluid comprising a surfactant; introducing the remediation fluid into the portion of the subterranean formation, wherein a plurality of tackified particulates at least partially coated with formation fines are located within the portion; and allowing at least a substantial portion of the formation fines to detach from the plurality of tackified particulates.
摘要:
The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated particulates comprising the steps of coating particulates with a resin or a tackifying agent to create pre-coated particulates; and, covering the pre-coated particulates with a partitioning agent to create coated particulates. Another embodiment of the present invention provides a method of treating a subterranean formation comprising the steps of providing coated particulates made by a method comprising the steps of substantially coating particulates with a resin or a tackifying agent to create pre-coated particulates; and, substantially covering the pre-coated particulates with a partitioning agent to create coated particulates; substantially slurrying the coated particulates in a servicing fluid to create a coated particulate slurry; and, placing the coated particulate slurry into the subterranean formation.
摘要:
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the adhesive substance comprises an aqueous tackifying agent or a silyl modified polyamide; substantially slurrying the partitioned, coated particulates in a treatment fluid to create a particulate slurry; and, placing the particulate slurry into the portion of the subterranean formation.