Nano-sized mixed metal oxide carriers capable of delivering a well treatment additive for a sustained or extended period of time in the environment of use, methods of making the nanoparticles, and uses thereof are described herein. The nanoparticles can have a formula of:
A/[M.sub.x.sup.1M.sub.y.sup.2M.sub.z.sup.3]O.sub.nH.sub.m
where x is 0.03 to 3, y is 0.01 to 0.4, z is 0.01 to 0.4 and n and m are determined by the oxidation states of the other elements, and M.sup.1 can be aluminum (Al), gallium (Ga), indium (In), or thallium (Tl). M.sup.2 and M.sup.3 are not the same and can be a Column 2 metal, Column 14 metal, or a transition metal. A is can be a treatment additive.

Synthesizing Janus material including forming a lamellar phase having water layers and organic layers, incorporating nanosheets and a functional agent into the lamellar phase, and attaching the functional agent to the nanosheets in the lamellar phase to form Janus nanosheets.

A method for recovering associated gaseous hydrocarbons from a well for producing liquid hydrocarbons, the method comprising (i) providing gaseous hydrocarbons from a hydrocarbon well; (ii) providing a cryogenic liquid from an air separation unit or an associated nitrogen liquefaction facility within proximity of the hydrocarbon well; (iii) liquefying the gaseous hydrocarbons at a hydrocarbon liquefaction facility within proximity to the hydrocarbon well to thereby produce a liquefied hydrocarbon gas, where heat associated with the gaseous hydrocarbons is transferred to the cryogenic liquid; and (iv) transferring the liquefied hydrocarbon gas to an air separation unit or nitrogen liquefaction facility.

Nanogas dispersions including an electrochemically activated (“ECA”) aqueous solution having an electrolyte and water; and a plurality of gas-filled cavities (i.e., nanobubbles) dispersed within the ECA aqueous solution. An enhanced oil recovery system including a reservoir containing an ECA aqueous solution; a nanogas dispersion generator configured to generate a nanogas dispersion within the ECA aqueous solution, the nanogas dispersion having the ECA aqueous solution and a plurality of nanobubbles dispersed therein; and an injection pump connected to the reservoir and configured to pump an effective amount of the nanogas dispersion into a subterranean formation. A method for treating a subterranean formation including: providing a nanogas dispersion made of an ECA aqueous solution and a plurality of nanobubbles; pumping an effective amount of the nanogas dispersion into the subterranean formation; and extracting a mixture of water from the subterranean formation to a surface-located device.

Nanogas dispersions including an electrochemically activated (“ECA”) aqueous solution having an electrolyte and water; and a plurality of gas-filled cavities (i.e., nanobubbles) dispersed within the ECA aqueous solution. An enhanced oil recovery system including a reservoir containing an ECA aqueous solution; a nanogas dispersion generator configured to generate a nanogas dispersion within the ECA aqueous solution, the nanogas dispersion having the ECA aqueous solution and a plurality of nanobubbles dispersed therein; and an injection pump connected to the reservoir and configured to pump an effective amount of the nanogas dispersion into a subterranean formation. A method for treating a subterranean formation including: providing a nanogas dispersion made of an ECA aqueous solution and a plurality of nanobubbles; pumping an effective amount of the nanogas dispersion into the subterranean formation; and extracting a mixture of water from the subterranean formation to a surface-located device.

A silane-modified colloidal silica in the form of a Pickering emulsion and a method for enhancing recovery of hydrocarbons and improving conformance using it. When injected into an oil well, the silane-modified colloidal silica separates into an aqueous phase and oil/oleic phase. The aqueous phase forms a gel that blocks the flow of water and the oleic phase that forms permits oil to flow out of the well.

A silane-modified colloidal silica in the form of a Pickering emulsion and a method for enhancing recovery of hydrocarbons and improving conformance using it. When injected into an oil well, the silane-modified colloidal silica separates into an aqueous phase and oil/oleic phase. The aqueous phase forms a gel that blocks the flow of water and the oleic phase that forms permits oil to flow out of the well.

A liquid phase huff and puff method of enhanced oil recovery (EOR) applied to multiple groups of existing horizontal or vertical wells in a shale or tight rock reservoir resulting in additional oil recovery. The method utilizes a pumping phase for a chosen pumped well group, and a production phases for the remaining well groups. The production phases typically last longer than the pumping phases. The method operates such that while one of the well groups is pumping, the remaining well groups are producing, A new pumped well group is chosen from the production well groups upon completion of each pumping phase, with the previous pumped well group being converted to a producing well group.

A liquid phase huff and puff method of enhanced oil recovery (EOR) applied to multiple groups of existing horizontal or vertical wells in a shale or tight rock reservoir resulting in additional oil recovery. The method utilizes a pumping phase for a chosen pumped well group, and a production phases for the remaining well groups. The production phases typically last longer than the pumping phases. The method operates such that while one of the well groups is pumping, the remaining well groups are producing, A new pumped well group is chosen from the production well groups upon completion of each pumping phase, with the previous pumped well group being converted to a producing well group.

A method for recovering subsurface fluid from rock formations by adding an enzyme-based green solvent to a carrier fluid and injecting the enzyme-based green solvent and the carrier fluid into a production well. The enzyme-based green solvent and the carrier fluid are directed down a flow path of the production well. The solvent soaks in the production well before reversing the flow path of the production well. The enzyme-based green solvent and the carrier fluid travel up the flow path with a plurality of recovered deposits from the production well in the enzyme-based green solvent.