Patent application number | Description | Published |
20090008090 | Generating Heated Fluid - A subterranean zone is treated by exothermically decomposing hydrogen peroxide in or near the subterranean zone. The decomposed hydrogen peroxide yields at least oxygen and heated water. The oxygen is combusted to further heat the heated water. The heated water is introduced into subterranean zone to treat the subterranean zone. In certain instances, the heated water is heated to produce 100% quality steam. Additional water may be supplied for treating the subterranean zone, for example, by supplying the hydrogen peroxide in solution with water. | 01-08-2009 |
20100089578 | Prevention of Water Intrusion Into Particulates - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those where particulates may be subject to water intrusion. Certain methods pertain to providing diffusion barriers for particulates. Of these, certain diffusion barriers may provide hydrophobic coatings to the particulates, certain diffusion barriers may provide fillers that may act to prevent water intrusion into surface features of particulates, and certain diffusion barriers may be initiated with diagenesis source material. | 04-15-2010 |
20100089579 | Additives to Suppress Silica Scale Build-Up - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those where particulates and/or surfaces may be subject to silica scale build-up. Certain embodiments pertain to utilizing silica scale control additives with particulate packs. Of these, certain methods may treat particulate packs in a subterranean formation with silica scale control additives, certain methods may combine silica scale control additives with particulates prior to formation of a particulate pack, and certain compounds may provide the features of both silica scale control additives and particulates. | 04-15-2010 |
20110036572 | Methods for Swelling Swellable Elements in a Portion of a Well Using an Oil-in-Water Emulsion - A method is provided for swelling water-swellable elements located in a portion of a well. The method comprises the steps of: (A) introducing an oil-in-water emulsion into the portion of the well, wherein the oil-in-water emulsion comprises: (i) an aqueous liquid, wherein the aqueous liquid is the external phase of the oil-in-water emulsion; (ii) a hydrocarbon liquid, wherein the hydrocarbon liquid is an internal phase of the oil-in-water emulsion, and wherein the hydrocarbon liquid is adjacent to the external phase of the oil-in-water emulsion; and (iii) a surfactant; and (B) allowing the oil-in-water emulsion to contact the water-swellable element for a sufficient length of time to cause the thickness of the water-swellable element to expand by a desired percentage, wherein the desired percentage is at least 5%. | 02-17-2011 |
20110036573 | Methods for Swelling Swellable Elements in a Portion of a Well Using a Water-in-Oil Emulsion - A method is provided for swelling hydrocarbon-swellable elements located in a portion of a well. The method comprises the steps of: (A) introducing a water-in-oil emulsion into the portion of the well, wherein the water-in-oil emulsion comprises: (i) a hydrocarbon liquid, wherein the hydrocarbon liquid is the external phase of the water-in-oil emulsion; (ii) an aqueous liquid, wherein the aqueous liquid is an internal phase of the water-in-oil emulsion and wherein the aqueous liquid is adjacent to the external phase of the water-in-oil emulsion; and (iii) a surfactant; and (B) allowing the water-in-oil emulsion to contact the hydrocarbon-swellable element for a sufficient length of time to cause the thickness of the hydrocarbon-swellable element to expand by a desired percentage, wherein the desired percentage is at least 5%. | 02-17-2011 |
20120172263 | Additives to Suppress Silica Scale Build-Up - Composition comprising a plurality of particulates wherein at least some particulates are at least partially covered with a coating that impedes the intrusion of water into the particulates; and, a silica scale control additive, wherein the silica scale control additive is capable of suppressing silica scale build-up proximate the plurality of particulates. Some compositions further include a treatment fluid wherein and the silica scale control additive are present in the treatment fluid. | 07-05-2012 |
Patent application number | Description | Published |
20100218947 | Methods for Improving Low-Quality Proppant and Method of Using Low-Quality Proppant in Subterranean Operations - The present invention relates to improved low-quality particulates and methods of making such improved particulates. A method of treating a portion of a subterranean formation, comprising providing a slurry comprising a treatment fluid and low-quality particulates at least partially coated with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid; introducing the slurry into a subterranean formation; and, depositing the coated, low-quality particulates into the portion of this subterranean formation. A method of improving particulates, comprising at least partially coating low-quality particulates with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid. | 09-02-2010 |
20100230099 | Methods for Improving Low-Quality Proppant and Method of Using Low-Quality Proppant in Subterranean Operations - The present invention relates to improved low-quality particulates and methods of making such improved particulates. A method of treating a portion of a subterranean formation, comprising providing a slurry comprising a treatment fluid and low-quality particulates at least partially coated with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid; introducing the slurry into a subterranean formation; and, depositing the coated, low-quality particulates into the portion of this subterranean formation. A method of improving particulates, comprising at least partially coating low-quality particulates with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid. | 09-16-2010 |
20100311618 | Fluid Treatment Systems, Compositions and Methods for Metal Ion Stabilization in Aqueous Solutions and/or Enhanced Fluid Performance - Fluid treatment systems and compositions are provided including (a) at least one material including (1) at least one carboxylic acid functional group and (2) at least one sulfur-containing group selected from the group consisting of sulfonyl functional groups, sulfonate functional groups and mixtures thereof; (b) at least one friction reducing agent selected from the group consisting of guar gums, polyacrylamides, hydratable cellulosic materials, viscoelastic surfactants, and mixtures thereof; and (c) at least one scale control agent. The fluid treatment systems and compositions can be used to treat aqueous systems, for example as fracturing fluids for treating aqueous compositions found in subterranean formations. Methods for inhibiting formation and/or precipitation of metal oxides in an aqueous composition using the fluid treatment systems or compositions also are provided. | 12-09-2010 |
20110136703 | Compositions for Stimulating Liquid-Sensitive Subterranean Formations - A method comprising: A subterranean formation stimulation fluid comprising a stimulation gas and a consolidating agent. Suitable consolidating agents include aqueous tackifying agents, curable compositions, and noncurable and nonaqueous consolidating compositions. | 06-09-2011 |
20120165232 | Methods of Controlling the Degradation Rate of Hydrolytically Degradable Materials - Methods of affecting the rate at which a hydrolytically degradable material degrades comprising: providing a hydrolytically degradable material, the degradable material having an intrinsic degradation rate; providing a modifier, the modifier being capable of affecting the intrinsic degradation rate of the hydrolytically degradable material; placing the hydrolytically degradable material and the modifier into a subterranean formation; and allowing the modifier to affect the intrinsic degradation rate of the hydrolytically degradable material so that the hydrolytically degradable material degrades at a second degradation rate. | 06-28-2012 |
20120184469 | Stimulated Liquid-Sensitive Subterranean Formations - Liquid-sensitive subterranean formation zones having at least one pathway enhanced by a stimulation process involving a stimulation fluid that comprises: a continuous gas phase comprising a stimulation gas; a consolidating agent in a solvent within the continuous gas phase; and, a surfactant that enhances the miscibility of the consolidating agent with the stimulation gas. In some cases the continuous gas phase may be a liquefied gas. | 07-19-2012 |