A method includes providing an expandable metal slurry downhole in a wellbore. The expandable metal slurry includes granules of an expandable metal material suspended or dispersed in a fluid. Further, the method includes positioning the expandable metal slurry within the wellbore such that the granules of the expandable metal material in the expandable metal slurry are activatable to expand and form a seal within the wellbore.

Treatment fluids and methods of using a treatment fluid for minimizing fluid loss in a wellbore are disclosed. A method may comprise providing a drill-in fluid. The drill-in fluid may comprise an aqueous liquid, a base oil, a polyol, an emulsifying surfactant, and a solid bridging agent. The method may further comprise circulating the drill-in fluid through a drill-string and past a drill bit. The method may further comprise drilling in a reservoir section of a subterranean formation to extend a wellbore in the reservoir section the drill-in fluid is circulated therein.

Treatment fluids and methods of using a treatment fluid for minimizing fluid loss in a wellbore are disclosed. A method may comprise providing a drill-in fluid. The drill-in fluid may comprise an aqueous liquid, a base oil, a polyol, an emulsifying surfactant, and a solid bridging agent. The method may further comprise circulating the drill-in fluid through a drill-string and past a drill bit. The method may further comprise drilling in a reservoir section of a subterranean formation to extend a wellbore in the reservoir section the drill-in fluid is circulated therein.

A polymerizable chemical system for consolidating particulates in a subterranean formation including a liquid resin, a curing agent, and a permeability enhancing additive. The chemical system is a homogenous composition that polymerizes to forms a solid upon heating at a temperature greater than 60° C. Consolidating particulates in a subterranean formation includes providing a polymerizable chemical system comprising a liquid resin, a curing agent, and a permeability enhancing additive to a subterranean formation, and polymerizing the polymerizable chemical system to consolidate particulates in the formation to yield a porous consolidated particulates pack.

A polymerizable chemical system for consolidating particulates in a subterranean formation including a liquid resin, a curing agent, and a permeability enhancing additive. The chemical system is a homogenous composition that polymerizes to forms a solid upon heating at a temperature greater than 60° C. Consolidating particulates in a subterranean formation includes providing a polymerizable chemical system comprising a liquid resin, a curing agent, and a permeability enhancing additive to a subterranean formation, and polymerizing the polymerizable chemical system to consolidate particulates in the formation to yield a porous consolidated particulates pack.

The invention relates to a nanofluid preparation method (100) from biogenic material, said method comprising the steps of: Treating (120) biogenic material with a strong acid to remove metal impurities; Heating (140) the treated biogenic material at a first temperature comprised between 150° C. and 500° C.; Heating (150) the treated biogenic material at a second temperature above 600° C. to pyrolyze the treated biogenic material; Grinding (160) the pyrolyzed biogenic material to obtain nanoparticles of biogenic material; and Mixing (180) nanoparticles of biogenic material with an organic solvent to form a nanofluid, said organic solvent comprising a low polarity solvent. The invention also relates to a nanofluid obtainable by the nanofluid preparation method and the use of such a nanofluid for example for reducing fines migration or enhanced crude oil recovery. The invention also relates to a system for enhanced crude oil recovery from a reservoir well.

The invention relates to a nanofluid preparation method (100) from biogenic material, said method comprising the steps of: Treating (120) biogenic material with a strong acid to remove metal impurities; Heating (140) the treated biogenic material at a first temperature comprised between 150° C. and 500° C.; Heating (150) the treated biogenic material at a second temperature above 600° C. to pyrolyze the treated biogenic material; Grinding (160) the pyrolyzed biogenic material to obtain nanoparticles of biogenic material; and Mixing (180) nanoparticles of biogenic material with an organic solvent to form a nanofluid, said organic solvent comprising a low polarity solvent. The invention also relates to a nanofluid obtainable by the nanofluid preparation method and the use of such a nanofluid for example for reducing fines migration or enhanced crude oil recovery. The invention also relates to a system for enhanced crude oil recovery from a reservoir well.

According to embodiments disclosed herein, a gel fluid composite may include a nanosilica gel and a plurality of quantum dot tracers. The nanosilica gel may be configured to seal one or more downhole fractures in a wellbore. The plurality of quantum dot tracers may be dispersed in the nanosilica gel. The plurality of quantum dot tracers may each include a semiconductor particle core housed in a silica shell.

Certain invert emulsion treatment fluids for use in subterranean formations are provided. In certain embodiments, the methods comprise: providing an invert emulsion treatment fluid that comprises an oleaginous external phase, and an internal phase that comprises one or more alcohols and one or more polar organic compounds that are soluble in the internal phase; and introducing the treatment fluid into at least a portion of a subterranean formation.

Methods including providing a silane composition selected from the group consisting of a dipodal silane, a long-chain silane, and any combination thereof, wherein the dipodal silane includes at least two carbon chains having between about 2 and about 36 carbon atoms, and wherein the long-chain silane includes at least one carbon chain having between about 2 and about 36 carbon atoms; coating proppant particulates with the silane composition, thereby forming silane composition coated proppant particulates; and introducing the silane composition coated proppant particulates into at least one fracture in a subterranean formation, thereby stabilizing loose particulates therein.