A novel inorganic fine particle reinforced foam system for an oil-gas field and preparation method thereof. The reinforced foam system comprises a gas phase and a liquid phase; the gas phase is nitrogen, carbon dioxide or the air; the liquid phase is prepared from, by mass: 0.2-0.8 wt % of a foaming agent, 0.5-2.0 wt % of novel inorganic fine particles and balance of water; the novel inorganic fine particles are fine particulate matter with diameters being smaller than or equal to 2.5 microns captured and screened from the atmosphere.

Various embodiments disclosed relate to foam compositions and methods of using the same for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation including placing a foam composition in the subterranean formation. The foam composition can include a blowing agent and a surfactant. The foam composition can include at least one of a) a foam agent including an alkoxylated alcohol ether sulfate, and b) a polysaccharide foam stabilizer.

Various embodiments disclosed relate to foam compositions and methods of using the same for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation including placing a foam composition in the subterranean formation. The foam composition can include a blowing agent and a surfactant. The foam composition can include at least one of a) a foam agent including an alkoxylated alcohol ether sulfate, and b) a polysaccharide foam stabilizer.

Disclosed is a foam booster that is capable of producing or increasing the amount of foam in any given composition. The foam booster includes a saccharide blend having 30 wt. % to 50 wt. % of an aldohexose or mixture of aldohexoses, 20 wt. % to 55 wt. % of a ketohexose or mixture of ketohexoses; and 10 wt. % to 20 wt. % of a disaccharide or mixture of disaccharides.

The present invention relates to a foam containing water, between 5 and 30 wt % on total weight of the foam of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), a foaming agent, and at least 25 vol % on total volume of the foam of a gas, and having a pH of between 2 and 5, to a viscosified composition containing water, between 5 and 30 wt % on total volume of the composition of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), and at least 0.01 wt % on total weight of the composition of a viscosifying agent, and having a pH of between 2 and 5, and to a process for treating a subterranean formation comprising introducing the above foam or viscosified composition into the formation.

The present invention relates to a foam containing water, between 5 and 30 wt % on total weight of the foam of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), a foaming agent, and at least 25 vol % on total volume of the foam of a gas, and having a pH of between 2 and 5, to a viscosified composition containing water, between 5 and 30 wt % on total volume of the composition of a chelating agent selected from the group of glutamic aid N,N-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA), N-hydroxyethyl ethylenediamine-N,N′,N′-triacetic acid or a salt thereof (HEDTA), and at least 0.01 wt % on total weight of the composition of a viscosifying agent, and having a pH of between 2 and 5, and to a process for treating a subterranean formation comprising introducing the above foam or viscosified composition into the formation.

Y-Grade NGL fracturing systems and methods of using Y-Grade NGL stimulation fluids.

Various embodiments disclosed relate to compositions including mycelium and methods of treatment of subterranean formations with the same. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a composition including a mycelium.

Various embodiments disclosed relate to compositions including mycelium and methods of treatment of subterranean formations with the same. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a composition including a mycelium.

The present application provides a gas-generating aqueous fluid containing a gas-generating compound like an azo compound, and an organic amine like a primary, secondary or tertiary amine, a hydrazine, a hydrazide, or a semicarbazide. The aqueous fluid may also a viscosifier, and a foaming surfactant. The present application also provides a method of using the gas-generating composition to modulate density of a wellbore fluid for use in downhole applications. The method optionally includes adding an oxidizer to the wellbore fluid.