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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... |
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US20130269942 |
METHOD AND SYSTEM FOR SEALING A VOID IN AN UNDERGROUND WELLBORE
Voids (14) in a underground wellbore (1) are sealed by:—inserting a corrosion prone object (10A-C, 12) in the void injecting an oxidizing agent into the void (14); and—allowing the oxidizing agent... |
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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... |
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US20110125476 |
Probabilistic Simulation of Subterranean Fracture Propagation
Systems, methods, and instructions encoded in a computer-readable medium can perform operations related to stochastic simulation of subterranean fracture propagation. A plurality of subterranean... |
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US20150027710 |
POLY(ALKYENYLAMIDE)-POLYSACCHARIDE HYDROGELS FOR TREATMENT OF SUBTERRANEAN FORMATIONS
The present invention provides compositions including poly(alkenylamide)-polysaccharide hydrogels for treating a subterranean formation and methods of using the same. In various embodiments, the... |
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US20150083417 |
METHOD OF USING SURFACE MODIFYING METALLIC TREATMENT AGENTS TO TREAT SUBTERRANEAN FORMATIONS
A method of treating a subterranean formation comprises pumping into a well penetrating the formation a surface modifying treatment agent having a metallic anchor and at least one hydrophobic tail... |
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US20130153225 |
Compositions and Methods for Treatment of Well Bore Tar
Of the many compositions and methods provided herein, one method includes contacting tar resident in a well bore with a tar stabilizer comprising an acrylonitrile-butadiene copolymer; and allowing... |
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US20140174724 |
HOLLOW HYDROGEL CAPSULES AND METHODS OF USING THE SAME
The present invention relates to hollow hydrogel capsules. In various embodiments, the present invention provides a method of treating a subterranean formation with a hollow hydrogel capsule... |
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US20140060840 |
ALTERING A COMPOSITION AT A LOCATION ACCESSED THROUGH AN ELONGATE CONDUIT
A composition flowing along an elongate conduit to a location accessed by that conduit contains a precursor substance which, arriving at the location, is converted electrochemically to chemically... |
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US20110290488 |
Creation of a Hydrate Barrier During In Situ Hydrocarbon Recovery
Certain viscous oil reservoirs are too deep to be commercially mined but lack an adequate top seal to employ in situ recovery methods such as SAGD. Without an adequate top seal, gases from the... |
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US20110303411 |
SWELLABLE/DEGRADABLE "SAND" PLUG SYSTEM FOR HORIZONTAL WELLS
This invention relates to a swellable and degradable sand plug system used in horizontal wellbores and the use of the system in treating horizontal wellbores. The slurry composition comprises a... |
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US20120318510 |
METHODS OF GENERATING MAGNETIC PARTICLES IN A SUBTERRANEAN ENVIRONMENT
The subject disclosure relates to methods of generating magnetic particles in a wellbore. More particularly, the subject disclosure relates to a fluid system which comprises two or more fluids... |
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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... |
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US20140116704 |
Wellbore Servicing Methods and Compositions Comprising Degradable Polymers
A method of servicing a wellbore comprising providing a degradable polymer and a delayed action construct within a portion of a wellbore, a subterranean formation or both; wherein the delayed... |
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US20120279711 |
Environmentally Friendly Low Temperature Breaker Systems and Related Methods
An embodiment of the present invention includes a method comprising: (a) providing a filter cake on a surface in a subterranean formation, the filter cake comprising a polymer and a bridging... |
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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... |
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US20120152544 |
COLD WEATHER COMPATIBLE CROSSLINKER SOLUTION
Disclosed herein is a well treatment fluid comprising an aqueous solution comprising greater than or equal to about 1 wt % boron, at least 5 wt % of a co-solvent, and greater than or equal to... |
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US20130146289 |
TWO-STAGE FILTER CAKE REMOVAL COMPOSITION FOR DRILLING FLUIDS AND METHOD OF USE THEREOF
Disclosed is a two-stage filter cake removal composition, and method of use thereof, for use in a wellbore for controlled removal of a filter cake present in a target production zone. The... |
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US20140116703 |
Wellbore Servicing Methods and Compositions Comprising Degradable Polymers
A method of servicing a wellbore comprising providing a degradable polymer within a portion of a wellbore, a subterranean formation or both; preparing a wellbore servicing fluid comprising a... |
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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... |
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US20150090442 |
CHEMICAL BASED WELL KICKOFF SYSTEM FOR NATURALLY FLOWING WELLS
A reaction apparatus for providing reactants from a surface to a wellbore to create a generated gas when the reactants undergo a reaction in situ to affect the density of a fluid in the wellbore,... |
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US20080217013 |
TUNABLE SURFACTANTS FOR OIL RECOVERY APPLICATIONS
The systems and methods described herein provide for modified lignins and other compositions that may be useful as surfactants. These compositions have particular utility for energy-related... |
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US20150129209 |
Methods and Systems for Causing Reaction Driven Cracking in Subsurface Rock Formations
Methods and systems for causing reaction driven cracking in subsurface rock formations are disclosed. In some embodiments, the methods include the following: drilling one or more holes in a... |
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US20140144638 |
Methods for Controlling Unconsolidated Particulates in a Subterranean Formation
Methods of treating a wellbore in a subterranean formation comprising unconsolidated particulates including providing a treatment fluid comprising a furan-based resin and a stimuli-delayed acid... |
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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... |
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US20140138092 |
WELLBORE SERVICING METHODS AND COMPOSITIONS COMPRISING DEGRADABLE POLYMERS
Methods of servicing a wellbore comprising: providing a degradable polymer within a portion of a wellbore and/or a subterranean formation; providing a wellbore servicing fluid comprising a... |
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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;... |
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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,... |
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US20090159287 |
IN-SITU FORMATION OF SOLIDS FOR WELL COMPLETIONS AND ZONAL ISOLATION
A sol of metallic alkoxide is pumped into a desired location in a wellbore and allowed to gel, creating solids in-situ. The sol is either unstabilized, requiring rapid placement before gelling, or... |
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US20080110618 |
In Situ Fluid Formation for Cleaning Oil- or Synthetic-Oil-Based Mud
Nanoemulsion, macroemulsions, miniemulsions, microemulsion systems with excess oil or water or both (Winsor I, II or III phase behavior) or single phase microemulsions (Winsor IV) improve the... |
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US20120247772 |
Method for Isolating and Completing Multi-Zone Gravel Packs
A gel barrier may be created within an annulus in a one-step operation by combining two or more solutions within the annulus. The two solutions may include a first solution, such as a silicate... |
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US20100319920 |
METHODS FOR IMPROVING THE PRODUCTIVITY OF OIL PRODUCING WELLS
Methods for treating formations bearing brine and at least one of black oil or volatile oil using a composition containing a nonionic polymer and solvent. The solvent at least one of solubilizes... |
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US20140231080 |
IN-SITU ARTIFICIAL PRESSURIZATION OF A WELL WITH CARBON DIOXIDE RECYCLING TO INCREASE OIL PRODUCTION
Described herein are systems and methods that utilize bicarbonate and acid to form carbon dioxide in a well (e.g., an oil well) to increase pressure in the well to facilitate production of oil and... |
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US20090126932 |
REVERSIBLE POLYMERIC GELATION FOR OILFIELD APPLICATIONS
This invention relates to the synthesis and use in oilfield applications of copolymers which can undergo the Diels-Alder reaction to form a gel. Under appropriate conditions, the retro Diels-Alder... |
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US20130112414 |
Engineered Methods and Materials for Wellbore Strengthening in Subterranean Operations
A method of wellbore strengthening may include providing a wellbore strengthening fluid comprising a drilling fluid, a particulate, and a fiber; introducing the wellbore strengthening fluid into a... |
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US20120285698 |
Dual Density Mud Return System
Systems and methods for lifting drilling fluid from a well bore in a subsea formation are disclosed. Some system embodiments include a drill string suspended within a drilling riser to form the... |
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US20140110117 |
MODIFIED NONIONIC SURFACTANT FORMULATIONS FOR ENHANCED OIL RECOVERY
Embodiments of the present disclosure include modified nonionic surfactant formulations having a nonionic surfactant and a pour point depressant, where the modified nonionic surfactant... |
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US20150041136 |
Method for the in-situ generation chlorine dioxide
The invention relates to the in-situ generation of chlorine dioxide for the treatment of hydrocarbon processing systems. The composition comprises a source of chlorite, a source of persulfate and... |
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US20070169937 |
Methods of using lost circulation compositions
A method of servicing a wellbore in contact with a subterranean formation, comprising: placing a wellbore servicing fluid comprising a crosslinkable polymer system and a filler into a lost... |
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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... |
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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... |
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US20120285685 |
Method of Using Asparaginase as a Polyacrylamide Enzyme Breaker
Asparaginase, such as asparaginase derived from Aspergillus oryzae, may be used to break down or defragment polyacrylamides in oil field applications. The asparaginase is useful in reducing the... |
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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... |
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US20130220616 |
In Situ Heat Generation
Introducing a fluid composition and a heat-generating fluid into a wellbore may improve timing and/or conditions of generating in situ heat downhole. The generated heat may be used to melt wax,... |
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US20080035338 |
Dual functional components and associated methods
Many methods and compositions are provided. One of the methods provided comprises the steps of: providing an aqueous treatment fluid that comprises a polysaccharide and a dual functional... |
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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... |
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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... |
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US20150247395 |
Free-Flowing Aqueous Compositions And Processes For Enhancing The Production Rate Of Mineral Oil And/Or Natural Gas From An Underground Deposit Comprising Mineral Oil And/Or Natural Gas
The present invention relates to free-flowing aqueous compositions and to a process for enhancing the production rate of mineral oil and/or natural gas from an underground deposit which comprises... |
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US20140262276 |
VISCOSITY ENHANCEMENT OF POLYSACCHARIDE FLUIDS
A method of treating a subterranean formation includes providing a treatment composition comprising at least one hydroxyl carboxylic acid, a crosslinkable component and a crosslinking agent. The... |
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US20120138303 |
Methods of Providing Fluid Loss Control or Diversion
Methods of controlling fluid loss, providing fluid diversion, or plugging a portion of a well bore using a treatment fluid including relatively insoluble borate material particulates that are... |