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9010430 Method of using shaped compressed pellets in treating a well  
Shaped particulates which have been compressed from a composite of a well treatment agent and adsorbent in a matrix may be introduced into horizontal or deviated oil or gas wells. The well...
8978762 Well servicing fluid and method of servicing a well with the fluid  
A well servicing fluid is formulated by combining ingredients comprising: an aqueous based fluid comprising sulfate ions at a concentration greater than 50 mg/l; a chelating agent; and an acid in...
8950491 Downhole assembly for treating wellbore components, and method for treating a wellbore  
A downhole assembly for delivering chemical treatment to a wellbore at the level of a hydrocarbon-bearing formation is provided. The chemical treatment is in solid phase, and slowly dissolves when...
8915301 Treatment of saline streams  
This invention presents innovative methods to treat saline streams such as produced water, seawater, and the like. The invention can be used to: (1) de-NORM produced water; or (2) de-NORM and...
8893799 Subsurface safety valve including safe additive injection  
A safety valve for an effluent-production installation, the safety valve comprising a longitudinal shell in which there extends a production tube defining an inside volume for effluent flow. The...
8881811 Additives to suppress silica scale build-up and methods of use thereof  
Treatments and compounds for use in subterranean formations where surfaces may be subject to silica scale build-up. Certain embodiments pertain to utilizing silica scale control additives with...
8857511 Method and apparatus for restoring contaminated groundwater  
Apparatus and method are provided to restore contaminated groundwater based on in-situ periodic pumping and recharging. The apparatus includes a contaminated groundwater suction system, an in-situ...
8776880 Process for enhanced oil recovery using the ASP technique  
A process for the enhanced recovery of oil in a deposit introduces into the deposit an alkaline aqueous solution of a water-soluble polymer containing a surfactant. The aqueous solution of...
8746341 Quaternary foamers for downhole injection  
A method of foaming a fluid for recovering gas from a gas well and enhancing oil production from a gas-lifted oil well penetrating a subterranean oil-bearing formation is disclosed and claimed....
8727007 Shale gas waste water treatment method  
Organo clay and activated carbon are mixed to form a particle mixture. The particle mixture is contacted with waste water having chlorides and other contaminants, such as organic materials, heavy...
8695707 Asphaltene removal composition and methods  
This invention relates to compositions and methods of removing an organic deposit including introducing a fluid, wherein the fluid comprises at least two non-polar organic solvents and at least...
8672033 Method of improving performance and efficiency of wellbore pump for hydrocarbon production  
Method of improving performance or efficiency of a wellbore pump associated with a wellbore and/or for increasing the rate of production of reservoir fluid from a reservoir, in which a wellbore...
8616284 Methods for removing residual polymer from a hydraulic fracture  
Viscoelastic surfactant (VES) gelled aqueous fluids containing water, a VES in an amount effective to increase the viscosity of the water, and an internal breaker may be useful in removing a...
8602098 Hydrate control in a cyclic solvent-dominated hydrocarbon recovery process  
The present invention relates generally to in situ hydrate control during hydrocarbon production when applying a recovery method utilizing cyclic injection of light hydrocarbon solvents. Hydrate...
8573303 Treatment for recycling fracture water—gas and oil recovery in shale deposits  
A method and apparatus for hydrocarbon recovery and/or treatment of frac water includes introducing a volume of water into a formation, recovering the introduced water, with the recovered...
8567502 Filtration of dangerous or undesirable contaminants  
Nanoparticle-treated substrates, such as screens, sand beds or proppant beds, may effectively filter and purify fluids such as waste water or fluids produced from a formation, as well as other...
8534359 Leach recovery of oil from oil sands and like host materials  
Oil sands and like host materials are leached with a selected leachant to render pumpable the oil (including heavy oil, bitumen or kerogen and asphaltenes) as leachate. In a preferred embodiment,...
8517691 Apparatus/method for temperature controlled methanol injection in oil and gas production streams  
An automatically controlled methanol injection system for oil and gas production streams including an electric methanol injection pump and a temperature sensor and switch, the sensor and switch...
8517104 Process for increasing the transport flow rate of oil from producing wells  
A process for increasing, on an existing installation, the amount of water-soluble polymer in an emulsion injected into pipelines transporting oil produced at offshore oil wells, includes before...
8505626 α-Amino acid phosphonic acid compounds, method of preparation of use thereof  
Novel aminoacid alkylphosphonic acid compounds are disclosed. These compounds can be used in multiple applications, in particular in a scale inhibitor functionality in aqueous systems, including...
8434556 Apparatus and methods for removing mercury from formation effluents  
An apparatus and related methods for removing hazardous trace elements from hydrocarbon reservoir effluent is implemented by placing an adsorbing volume of material designed to adsorb the...
8430162 Continuous downhole scale monitoring and inhibition system  
A technique facilitates monitoring of conditions which are prone to cause scale precipitation around downhole equipment. The technique also enables a local, downhole reaction to the potential for...
8424600 Methods and systems for treating subterranean wells  
The present invention is directed to a method and system for treating a well having a wellbore extending from a ground surface or subsea surface downhole to an oil producing formation. Oil...
8408306 Processes and systems for treating oil and gas wells  
Systems and processes are provided for removing fluid from a subterranean well and enhancing the production of oil and/or gas are herein disclosed. In one embodiment, the system includes an...
8381811 Method of enhancing adsorption of an inhibitor onto a wellbore region  
The instant disclosure is directed to a method of enhancing adsorption of a salt inhibitor onto a wellbore region, wherein the method comprises preconditioning the wellbore region, emplacing the...
8336624 Squeeze process for reactivation of well treatment fluids containing a water-insoluble adsorbent  
A process for fracturing a subterraneous formation in the production of an oil well is described. The process steps include injecting an initial charge of a mixture, the mixture being formed from...
8235119 Drilling fluid and method for reducing lost circulation  
Lost circulation of drilling fluid is one of the most serious and expensive problems facing the drilling industry. The present invention relates to an improved drilling fluid for reducing or...
8196663 Dead string completion assembly with injection system and methods  
In some embodiments, apparatus useful for providing fluids or equipment into a subterranean well through a production tubing and associated dead string includes an injection system that is movable...
8146661 Cryogenic treatment of gas  
Systems and methods of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream....
8146666 Surfactant method for improved oil recovery from subterranean reservoirs  
A method to enhance oil recovery from a subterranean reservoir, the reservoir being accessible via a production well. The method includes injecting a surfactant solution that includes surfactants...
8133587 Proppant materials comprising a coating of thermoplastic material, and methods of making and using  
The present invention provides thermoplastic coated proppants and methods for preparing the thermoplastic coated proppants. Methods for using these proppants in subterranean well formations and...
8093304 Demulsification of water-in-oil emulsion  
A method of demulsifying a water-in-oil emulsion is provided. The method includes treating a volume of fluids comprising oil and water by adding a salt of a polynuclear, aromatic sulfonic acid to...
8047292 Method and apparatus for preventing slug flow in pipelines  
Disclosed is a method and system for controlling the formation of liquid or gas slugs along a pipeline. In embodiments, an injection unit injects a liquid surface tension reducing agent, such as a...
8047296 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems  
The technical challenges for a smooth transition between using both a thermodynamic hydrate inhibitor (THI) and a kinetic hydrate inhibitor (KHI) to simply using only the KHI in multiple tie-in...
8016041 Treatment for recycling fracture water gas and oil recovery in shale deposits  
A method and apparatus for hydrocarbon recovery and/or treatment of frac water includes introducing a volume of water into a formation, recovering the introduced water, with the recovered...
8003214 Well treating materials comprising coated proppants, and methods  
The present invention is directed to an improved thermoplastic material-coated particulate composition useful for hydraulic fracturing treatments, gravel packing for sand control or other well...
7997342 Subterranean treatment fluids comprising viscoelastic surfactant gels  
Among many things, in some embodiments, improved viscoelastic surfactant gels that comprise non-aqueous tackifying agents, and their associated methods of use, are provided. In one embodiment, the...
7992641 Method and apparatus for on-site nitrate production for a water processing system  
An electric plasma arc apparatus and method produces nitrogen compounds, solely using ambient air extracted in proximity to the apparatus. The nitrogen compounds are brought into contact with a...
7992639 Methods for improved hydrocarbon and water compatibility  
Improvement in the compatibility of hydrocarbon and water is achieved by surface active agents newly synthesized by mixed microbial populations. Methods for enhancing the microbial production of...
7963338 Methods to treat produced water  
Methods are disclosed to treat produced water from hydrocarbons production facilities. The disclosed methods can be used to either: (1) de-NORM produced water; or (2) de-NORM and partially de-salt...
7861787 Wellbore fluid treatment tubular and method  
A wellbore tubular including: an inner tubular wall; an opening through the inner tubular wall; an outer tubular wall positioned about the inner tubular, the outer tubular wall including an...
7793727 Low rate gas injection system  
A dewatering device is provided that can be inserted concentrically within the production tubing string of a natural gas-producing wellbore. The dewatering device includes a pressure-isolating...
7789159 Methods to de-sulfate saline streams  
Methods are disclosed to de-sulfate saline streams such as seawater, brine from seawater desalination plants, and the like. The disclosed methods can also co-produce de-ionized water and inorganic...
7735558 Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications  
Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing...
7721806 Automatic chemical treatment system with integral flush fluid dispenser and method for using the same  
A wellbore chemical treating system includes a pressure vessel for containing a treating chemical. The pressure vessel is closed to atmospheric pressure. A first controllably operated valve is...
7717177 Energized fluid for generating self-cleaning filter cake  
A process for generating and subsequently breaking a filter cake, including dissolving a non-reactive gas in a wellbore fluid to form an energized fluid; pumping the energized fluid into a...
7708075 System and method for injecting a chemical downhole of a tubing retrievable capillary bypass safety valve  
A chemical injection system includes a TRSV; a communication nipple in operable communication with the TRSV and positioned relative to the TRSV to be downhole of a flapper closure mechanism...
7709419 Method and thermodynamic inhibitors of gas hydrates in water-based fluids  
The present invention relates to an additive that inhibits formation of gas hydrates for water-based drilling fluid, the additive having at least the following constituents (weight percent): a...
7681638 Wellbore treatment for reducing wax deposits  
A method of reducing wax deposition in an oil wellbore tubing includes providing an aqueous bioslurry comprising at least one microbe capable of degrading paraffin wax at about 20-45° C. and a...
7677317 Liquid carbon dioxide cleaning of wellbores and near-wellbore areas using high precision stimulation  
The invention relates to a method to clean a wellbore and the near wellbore area adjacent to the wellbore of a hydrocarbon bearing formation adjacent to the production zone of the wellbore. The...
Matches 1 - 50 out of 320 1 2 3 4 5 6 7 >