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US20050126781 Methods of generating gas in well treating fluids  
The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone,...
US20060272816 Proppants Useful for Prevention of Scale Deposition  
Proppants for treating subterranean which are scale resistant as well as fluids containing and methods of using such proppants. The proppant materials are less susceptible to fouling by residual...
US20110278008 WELL TREATMENT FLUID COMPOSITIONS AND METHODS OF USE THAT INCLUDE A DELAYED RELEASE PERCARBONATE FORMULATION  
A well treatment fluid and method of use includes water, at least one hydratable polymer, an optional crosslinking agent, and a delayed release percarbonate formulation effective to reduce initial...
US20130292121 SURFACTANT FORMULATIONS FOR FOAM FLOODING  
A foam generating surfactant formulation includes a betaine, an alpha-olefin sulfonate and a nanofluid. The betaine is preferably a cocamidopropyl betaine or laurel betaine. The alpha-olefin...
US20130126169 Tight Gas Stimulation by In-Situ Nitrogen Generation  
Provided is a method and composition for the in-situ generation of synthetic sweet spots in tight-gas formations. The composition can include nitrogen generating compounds, which upon activation,...
US20090159288 Chemically enhanced thermal recovery of heavy oil  
Described herein are methods for removing heavy oils from underground reservoirs. The methods involve the use of chemical compositions in combination with steam techniques for the efficient...
US20160040059 Subterranean Reservoir Treatment Method  
A method is given for heterogeneous proppant placement in fracturing by in situ aggregation of fine mesh proppant particulates or other materials such as fibers in a subterranean fracture. A...
US20140174743 Well Treatment with Complexed Metal Crosslinkers  
Disclosed are compositions and methods for treating subterranean formations, in particular, oilfield stimulation compositions and methods using polymer viscosified fluid crosslinked with metal...
US20050028976 Compositions and methods for controlling the release of chemicals placed on particulates  
The present invention relates to methods and compositions for creating and using particulate materials having treating agents absorbed thereon and coated with a degradable coating material. One...
US20150060072 METHODS OF TREATMENT OF A SUBTERRANEAN FORMATION WITH COMPOSITE POLYMERIC STRUCTURES FORMED IN SITU  
Methods of treating a subterranean formation are disclosed that include placing a treatment fluid into a subterranean formation, the treatment fluid containing a solid agent and one or more...
US20120037368 CONTROLLED RELEASE PROPPANT  
Materials are delivered into oil well reservoirs. Highly sensitive, mechanical, biological and chemical agents can be delivered to subterranean formations with rigid, impermeable capsules. A...
US20050194142 Compositions and methods for controlling unconsolidated particulates  
The present invention relates to methods for stabilizing an unconsolidated or weakly consolidated zone of a subterranean formation. One embodiment provides a method of stabilizing a subterranean...
US20130146288 Method and apparatus to increase recovery of hydrocarbons  
Methods for enhancing the extraction of fluids from subterranean formation through wells using hydrogen produced in-situ. Certain embodiments produce hydrogen in-situ through reactions of a...
US20100263867 UTILIZING ELECTROMAGNETIC RADIATION TO ACTIVATE FILTERCAKE BREAKERS DOWNHOLE  
A downhole wellbore filtercake breaker is disclosed comprising one or more breaker chemicals (or activators thereof) capable of being activated with radiation to form one or more breaker reaction...
US20070039732 Methods and compositions for improving hydrocarbon recovery by water flood intervention  
Methods useful in improving hydrocarbon recovery from subterranean formations using relative permeability modifier (RPM) macromolecules are described. The RPMs are typically crosslinked RPMs...
US20070017706 Methods of drilling and consolidating subterranean formation particulates  
The present invention relates to improved methods for drilling well bores penetrating producing zones while controlling formation particulates. Some embodiments of the present invention provide...
US20100038086 Conformance Control Through Stimulus-Responsive Materials  
A method, apparatus and production well system that utilize stimulus-responsive materials for “conformance control” and profile control along the fluid flow path in a well as part of a gravel pack...
US20070204989 Preformed particle gel for conformance control in an oil reservoir  
Expandable and hydrophilic polymeric particles may be made in a non-emulsion system, and with controllable hardness and delay in their time to swell in a fresh or salt water environment. These...
US20150337638 HYDROCARBON STIMULATION BY ENERGETIC CHEMISTRY  
Disclosed are methods and compositions for stimulating a hydrocarbon formation by generating heat and/or pressure in the formation, in either a fracturing or matrix treatment. This invention...
US20150315891 DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE DISPERSION SOLUTION  
A dispersion solution for drilling obtained by dispersing, in an aqueous medium, a polyoxalate as the hydrolysable resin material. The dispersion solution for drilling comprises an aqueous medium...
US20120234544 DEGRADABLE GELS IN ZONAL ISOLATION APPLICATIONS  
A method of treating a formation that includes emplacing an oxidizing breaker fluid into a region of the formation occupied by a gel; and allowing sufficient time for the oxidizing breaker fluid...
US20140048273 METHOD, SYSTEM, AND COMPOSITION FOR PRODUCING OIL  
A method, system, and composition for producing oil from a formation utilizing an oil recovery formulation comprising a surfactant, an alkali, a polymer, and a paraffin inhibitor are provided.
US20080217012 Gelled emulsions and methods of using the same  
Gelled emulsions contain (i.) an external phase of an aqueous water-soluble solvent solution, polymeric viscosifying agent and, optionally, an oxidative and/or acidic breaker; and (ii.) an...
US20160244659 RESERVOIR STIMULATION BY ENERGETIC CHEMISTRY  
A self-initiating, self-reactive treatment fluid for treating a hydrocarbon-bearing reservoir in a formation includes (a) an ammonium salt capable of being exothermally oxidized to produce heat...
US20160096988 Methods for Servicing Subterranean Wells  
Pumpable process-fluid compositions comprise polyacrylamide, a non-metallic crosslinker and a pH-adjustment material. Such compositions have utility in the context of controlling lost circulation...
US20160060985 Methods for Servicing Subterranean Wells  
Pumpable process-fluid compositions comprise polyacrylamide, a non-metallic crosslinker and a pH-adjustment material. Such compositions have utility in the context of controlling lost circulation...
US20100326660 USE OF DIRECT EPOXY EMULSIONS FOR WELLBORE STABILIZATION  
A direct emulsion wellbore fluid, including: a continuous non-oleaginous phase; a discontinuous oleaginous phase; a stabilizing agent; an oil-miscible epoxy-based resin; and a hardening agent;...
US20060081374 Process for downhole heating  
Neutral electrolytes, relatively neutral electrolytes, metal oxides, metal hydroxides and/or organic exothermic hydration chemicals may be hydrated with water at a controlled location in a...
US20050263283 Methods for stabilizing and stimulating wells in unconsolidated subterranean formations  
The present invention relates to methods of stabilizing an unconsolidated portion in a subterranean formation and stimulating fluid production from the stabilized portion. Some embodiments of the...
US20140262275 ALKALI POLYMER SURFACTANT SANDWICH  
Aspects of the invention relate to methods for enhancing the amount of oil recovered from subterranean reservoirs or reducing the amount of surfactant needed. The method includes injecting a first...
US20080078545 Treatment fluids viscosifield with modified xanthan and associated methods for well completion and stimulation  
The present invention relates to viscosified treatment fluids used in well completion and stimulation operations for oil and gas production, and more particularly, to viscosified treatment fluids...
US20070163779 Compositions containing a buffer and a peroxide or peracid useful for treating wells  
Compositions containing a peroxide or peracid and an organic acid salt buffer are disclosed. The compositions are useful for removing polymers from oil and gas wells, while simultaneously...
US20150376999 DOWNHOLE POLYMER FOAM APPLICATIONS  
A method of treating a subterranean formation penetrated by a wellbore by contacting an energized fluid with the subterranean formation; and reducing a partial pressure of the energized fluid by...
US20140151042 Chelate Compositions And Methods And Fluids For Use In Oilfield Operations  
A breaker fluid may include a base fluid; and an inactive chelating agent. A process may include pumping a first wellbore fluid comprising an inactive chelating agent into a wellbore through a...
US20150211328 WELL SEALING VIA THERMITE REACTIONS  
Wells are sealed by means of thermite reaction charges inserted into the wells. The reaction charge can be diluted by addition of metal oxides, silica, or the like control reaction pressure, peak...
US20130228334 METHOD AND COMPOSITION TO REDUCE GEL VISCOSITY IN THE INTERMEDIATE TEMPERATURE RANGE  
Methods for reducing a viscosity of a viscosified fluid include reacting, such as by depolymerizing and/or decomposing, a polymeric material of the viscosified fluid with a breaking agent...
US20060157247 Additive For, Treatment Fluid For, and Method of Plugging a Tubing/Casing Annulus in a Well Bore  
For tubing/casing annulus plug treatment to plug a well, a tubing/casing annulus plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, a filter aid,...
US20160289548 Well Treatment Methods and Fluids  
A method includes forming a well treatment fluid by combining an aqueous fluid, a viscosifying agent, a crosslinker, and a rheology modifier containing an aldehyde. The viscosifying agent is...
US20170101572 DEGRADATION AGENT ENCAPSULATION  
Degradation agent encapsulation is provided. In one possible implementation, a capsule includes a degradation agent configured to encourage degradation of the part and a coating at least partially...
US20060137878 Drilling fluid additive and method  
A method is provided for drilling a wellbore including the steps of: providing a drilling mud comprising a primary amine; circulating the drilling mud while the wellbore is being drilled wherein...
US20080169103 Surfactant Wash Treatment Fluids and Associated Methods  
Of the many methods and compositions provided herein, in one embodiment, the invention provides a method comprising: providing an oil-wet well bore surface; providing a surfactant wash treatment...
US20080035344 DELAYED POLYACRYLAMIDE-CO-ALUMINUM HYDROXYL CHLORIDE GEL  
A delayed gelling system useful in conformance control in the production of petroleum from subterranean formations is disclosed. The gelling system comprises an acidic aqueous solution of...
US20150136397 METHOD AND COMPOSITION FOR ENHANCED OIL RECOVERY BASED ON SUPERCRITICAL CARBON DIOXIDE AND A NONIONIC SURFACTANT  
Embodiments of the present disclosure are directed towards oil recovery compositions. As an example, an oil recovery composition can include a dimeric non-ionic surfactant and carbon dioxide.
US20110290489 METHOD AND COMPOSITION  
A method of controlling ingress of water into a production well used to extract fluid hydrocarbons the method comprising the steps of: introducing a composition comprising a polymer, a polar...
US20170096592 ACID SOLUBLE FLAKES AS LOST CIRCULATION MATERIAL  
Compositions and methods for formulating lost circulation materials are provided. More particularly, in certain embodiments, the present disclosure relates to drilling fluids that comprise...
US20070187098 Permeable zone and leak plugging using cross-linking composition comprising delay agent  
A method for plugging a permeable zone or leak in a subterranean formation comprises introducing into the formation a cross-linking composition which comprises (a) an aqueous liquid, (b) a pH...
US20070187102 Hydraulic fracturing methods using cross-linking composition comprising delay agent  
A method for hydraulically fracturing a subterranean formation comprises introducing into the formation a cross-linking composition which comprises (a) an aqueous liquid, (b) a pH buffer, (c) a...
US20150034320 SYSTEM AND METHOD FOR EXTRACTING PETROLEUM AND GENERATING ELECTRICITY USING NATURAL GAS OR LOCAL PETROLEUM  
One embodiment is a method for extracting oil from a near-depleted oil well. A portable natural gas, methane, or petroleum reformer is brought to a site of the oil well. A quantity of natural gas,...
US20140290951 FILTERCAKE REMOVAL USING EXOTHERMIC IN-SITU NITROGEN-PRODUCING REACTANTS  
Removal of filtercake particles from a wellbore is achieved by injecting two (2) water-soluble nitrogen-containing salts and an organic acid resulting in the generation of nitrogen gas and...
US20170037296 PROCESS FOR RECOVERY OF OIL  
The present invention relates to a process for recovering oil from an oil-reservoir comprising at least the steps of a) providing solid particles and water, whereby the solid particles comprise at...

Matches 1 - 50 out of 94 1 2 >