Polymeric clay stabilizers including at least one ionic repeating unit for treatment of subterranean formations. A method of treating a subterranean formation that can include obtaining or providing a composition comprising including a polymeric clay stabilizer including at least one ionic repeating unit, wherein the clay stabilizer has a melting point or glass transition temperature that is equal to or less than 100 C. The method can also include placing the composition in a subterranean formation.

A drag-reducing additive comprises a dispersion polymer and a microemulsion. The dispersion polymer comprises a polymer and a saline solution, and the microemulsion comprises a solvent, a surfactant and an aqueous phase. The drag-reducing additive can be combined with an aqueous treatment fluid to form a drag-reducing composition. A method of using a drag-reducing composition, wherein the method comprises providing a drag-reducing additive comprising a dispersion polymer and microemulsion, forming the drag-reducing composition by combining the drag-reducing additive with an aqueous treatment fluid, and injecting the drag-reducing composition into a subterranean formation, a pipeline or a gathering line.

Sealant compositions that may be used for creating fluid flow preventing barriers in a subterranean formation. A method may comprise reacting components comprising an oxazoline functionalized polymer and a crosslinking agent in a subterranean formation to create a barrier in the subterranean formation.

A method begins with the step of preparing a drag-reducing additive by mixing a dispersion polymer with a surfactant and a solvent. The method continues with the step of forming a drag-reducing composition by combining the drag-reducing additive with an aqueous treatment fluid. The method further involves the step of injecting the drag-reducing composition into a subterranean formation, a pipeline or a gathering line.

A variety of methods and well treatment fluids are disclosed, including, in one embodiment, a method of treating a subterranean formation, comprising contacting the subterranean formation with a well treatment additive, wherein the well treatment additive comprises an ionic liquid comprising a cation and an anion having the following formula: [R.sub.1R.sub.2R.sub.3R.sub.4N].sup.+[X].sup.?, wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 are individually selected from the group consisting of an alkyl group, a hydroxyalkyl group, and a combination thereof provided that at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4 is the hydroxyalkyl group, and wherein the anion X.sup.? comprises at least one anion selected from the group consisting of F.sup.?, Cl.sup.?, Br.sup.?, I.sup.?, H.sub.2PO.sub.4.sup.?, HPO.sub.4.sup.2?, PO.sub.4.sup.3?, HSO.sub.4.sup.?, C.sub.7H.sub.7OSO.sub.3.sup.?, C.sub.7H.sub.7SO.sub.3.sup.?, SO.sub.4.sup.2?, CH.sub.3SO.sub.3.sup.?, C.sub.2H.sub.5OSO.sub.3.sup.?, CH.sub.3OSO.sub.3.sup.?, C.sub.2H.sub.5OSO.sub.3.sup.?, and combinations thereof. In one or more embodiments, a well treatment fluid comprises a base fluid and a well treatment additive comprising the ionic liquid.

A camera module comprising a polymer composition that includes a polymer matrix containing a liquid crystalline polymer and a mineral filler is provided. The liquid crystalline polymer contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more of the polymer. Further, the polymer composition exhibits a melt viscosity of from about 30 to about 400 Pa-s, as determined at a shear rate of 400 seconds.sup.?1 and at a temperature 15? C. higher than the melting temperature of the composition in accordance with ISO Test No. 11443:2005.

Stable water based High-Temperature-High-Pressure (HTHP) and/or Non-HTHP crosslinked copolymers for oil and gas applications consist of (i) a crosslinked, linear polyvinyl amide/polymerizable carboxylic acid) copolymer, having a composition, by weight, of 25-75 wt. % of a vinyl amide monomer selected from vinyl pyrrolidone, vinyl caprolactam, N-vinyl-N-methylacetamide and mixtures thereof, and 25-75 wt. % of a polymerizable carboxylic acid monomer selected from acrylic acid, (meth)acrylic acid, crotonic acid, itaconic acid, maleic acid and mixture thereof; and (ii) a crosslinker in an amount of 0.01-5% based on weight of total monomers. Also discloses relevant compositions comprising said copolymer and method of use thereof.

Sealers are used to selectively divert flow through liner openings during stimulation operations. The sealers comprise an aggregate of dissolvable particles that will allow the sealer to dissolve more quickly once the stimulation operation is finished. The aggregate preferably comprises a distribution of different particle sizes. Larger particles will provide the primary bridge across the opening, with smaller sizes filling gaps between the larger particles and allowing the aggregate to more effectively plug the opening.

A method of preparing a drag-reducing composition that includes a dispersion polymer includes steps for preparing the dispersion polymer, steps for incorporating the dispersion polymer into a drag-reducing composition, and steps for using the drag-reducing composition. The step of preparing a dispersion polymer includes preparing an aqueous mixture by adding a water-soluble salt and at least one polymeric dispersant to water and polymerizing one or more water-soluble monomers in the aqueous mixture. Once the dispersion polymer has been combined with the drag-reducing additive, the combination is injected into a subterranean formation, a pipeline or a gathering line.

Various embodiments disclosed relate to a silane-functionalized polyalkyleneimine (PAI) clay stabilizer for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation. The method can include placing in the subterranean formation a silane-functionalized PAI clay stabilizer.