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Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 507/242 - Nitrogen is part of a hetero ring


Subclass of Class 507 - Earth boring, well treating, and oil field chemistry
Definition: Compositions wherein said component contains nitrogen as
No. of patents: 79
Last issue date: 10/14/2008


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NumberTitleIssue Date
7435845Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention thus provides the use of compounds of the formula (1) where R...
10/14/2008
7398824Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts
A formulation containing a copolymer derived from a cationic monomer effectively inhibits and controls the formation of inorganic scales. Suitable copolymers include those comprising an acrylamide unit and a quaternary ammonium salt group, and optionally an acrylate...
07/15/2008
7358215Quaternary ammonium salts as thickening agents for aqueous systems
This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improv...
04/15/2008
7238648Viscoelastic surfactant fluids and related methods of use
Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfactants such as dihydroxyl alkyl...
07/03/2007
7237608Self diverting matrix acid
A method is described for treating a subterranean formation with a low viscosity fluid system that contains a viscoelastic surfactant at a concentration too low to viscosify the fluid, but that is concentrated in the formation so that the fluid system gels. The flui...
07/03/2007
7219735Packer fluid
A packer fluid is provided for use with a wellbore fluid in an annulus or casing bore, having an aqueous portion which contains additives for preventing corrosion, microbiological activity, salt and scale deposition, and an environmentally-acceptable capping fluid w...
05/22/2007
7216709Hydraulic fracturing using non-ionic surfactant gelling agent
The present invention generally relates to a method for treating a subterranean formation with an aqueous viscoelastic treating fluid that an aqueous base fluid and one or more non-ionic amido amine oxide surfactant gelling agents. The treatment method comprises inj...
05/15/2007
7178610Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations
The present invention relates to subterranean treatment fluids. In particular, the present invention relates to subterranean treatment fluid compositions that comprise polyoxazoline compositions and methods for using such compositions in subterranean applications. I...
02/20/2007
7148184Self-diverting foamed system
A method is given for diverting acids in matrix acidizing and acid fracturing. The acids are diverted with a diverting agent that is an energized or foamed acidic viscoelastic surfactant system that contains a viscoelastic surfactant that gels and increases in visco...
12/12/2006
7127959Process for assessing inhibition of petroleum corrosion
The present invention is an apparatus for simulating corrosion activity in liquid and vapor/condensate corrosion environments. The apparatus includes a container, including a lower region containing the liquid and an upper region, including a condenser, a heater for...
10/31/2006
7084095Methods for controlling the rheological properties of viscoelastic surfactants based fluids
It was found that the addition of polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of viscoelas...
08/01/2006
7060661Acid thickeners and uses thereof
The present invention generally relates to aqueous, acidic compositions thickened with an amidoamine oxide gelling agent and/or viscoelastic surfactant of the general formula I: wherein R1 is a saturat...
06/13/2006
6939483Brine fluids with improved corrosion properties
It has been discovered that ammonia and amines are useful to increase the pH and corrosion resistance of high density brines, such as zinc bromide brines, without significantly reducing their densities. The ammonia or amine additive is preferably incorporated by con...
09/06/2005
6936574Process for controlling gas migration during well cementing
The present invention provides a cement composition and a process for using the cement composition to inhibit gas migration from a subterranean zone into the cement. The process comprises displacing a gelling additive, preferably comprised within a cement compositio...
08/30/2005
6924253Scale removal
A method for treating a wellbore (or well casing) and the contiguous wellbore area to remove scale (mineral deposits comprised of, e.g., BaSO4, CaCO3, etc.) in the context of hydrocarbon recovery and other applications is disclosed, said method including contacting ...
08/02/2005
6905605Method for inhibiting the plugging of conduits by gas hydrates
A method for inhibiting hydrate formation in a hydrocarbon flow by adding an amount of a dendrimeric compound effective to inhibit formation of hydrates at conduit temperatures and pressures, and flowing the mixture containing the dendrimeric compound and any hydrat...
06/14/2005
6608005Wellbore fluids and their application
Non-aqueous base wellbore fluids characterized by enhanced electrical conductivity due to formulation with specified ionic liquids are disclosed. Drilling, completion, and workover methods utilizing the wellbore fluids are also disclosed....
08/19/2003
6544932Additives for inhibiting gas hydrate formation
An additive for inhibiting the formation of gas hydrates in connection with hydrocarbon production and transportation comprising the water-soluble polymers comprising structural elements of the formula ##STR1## wherein each R is independently H or C1...
04/08/2003
6506710Viscoelastic surfactants and compositions containing same
A method for controlling the rheology of aqueous systems, particularly for those intended for underground use, includes injecting an aqueous viscoelastic fluid containing a surfactant gelling agent into the system. The viscoelastic surfactant composition ...
01/14/2003
6369004Additives for inhibiting gas hydrate formation
An additive for inhibiting the formation of gas hydrates in connection with hydrocarbon production and transportation comprising the water-soluble polymers comprising structural elements of the formula ##STR1## wherein each R is independently H or C.sub.1...
04/09/2002
6350721Fluids and techniques for matrix acidizing
Liquids comprised solely of anions and cations ("ionic liquids") are disclosed as novel components of fluids (and techniques relying upon those fluids) for stimulation of hydrocarbon wells. In particular, the fluids disclosed are useful in matrix acidizin...
02/26/2002
6124246High temperature epoxy resin compositions, additives and methods
Improved high temperature epoxy resin compositions, additives and methods are provided. A hardenable epoxy resin composition of the present invention is comprised of an epoxy resin, an aromatic diluent, a hardening agent and a hardening retarder for delay...
09/26/2000
5922653Compositions and processes for treating subterranean formations
A composition and a process for using the composition for applications in a subterranean formation are provided. The composition comprises a clay, a polymer, and a liquid. The polymer comprises repeat units derived from a nitrogen-containing olefinic mono...
07/13/1999
5779938Compositions and methods for inhibiting corrosion
The invention is an effective, easy to produce, and economical corrosion inhibitor which can be used in a variety of environments. The corrosion inhibitor of the present invention is the salt of certain tertiary amines. The corrosion inhibitor is the reac...
07/14/1998
5756004Quaternary ammonium compounds useful for inhibiting metal corrosion
The present invention provides improved quaternary ammonium compounds useful as metal corrosion inhibitors in aqueous acid solutions, methods of preparing the compounds, metal corrosion inhibited aqueous acid solutions containing the compounds and methods...
05/26/1998
5690176Composition effective in removing asphaltenes
Process for the dissolution of asphaltene sediments in oil wells which consists in introducing a solubilizing composition for the above asphaltenes into the oil wells, characterized in that the solubilizing composition comprises: (a) a basically hydrocarb...
11/25/1997
5366643Method and composition for acidizing subterranean formations
The invention relates to a method and composition for acidizing a subterranean formation employing an acidic solution comprising hydrochloric acid solution containing a corrosion inhibitor present in a corrosion-reducing effective amount. The corrosion in...
11/22/1994
5335733Method for delaying gelation of a gelable polymer composition injected into a subterranean formation
The gelation of a gelable composition is delayed by using, inter alia, a crosslinking rate retardant selected from the group consisting of epoxides, ethers, and mixtures thereof....
08/09/1994
5219476Gellable aqueous composition and its use in enhanced petroleum recovery
The permeability of high-permeability zones in a oil reservoir can be reduced by using a gellable aqueous composition with delayed gelation. The composition comprises: a) water; b) a high-molecular weight natural or synthetic water-soluble polymer cross-l...
06/15/1993
5174957Emulsion minimizing corrosion inhibitor for naphtah/water systems
A corrosion inhibitor formulation for oil and water systems which formulation is resistant to sludge formation and does not tend to stabilize oil/water emulsions when added to oil and water systems. The corrosion inhibitor includes an imidazoline dissolve...
12/29/1992
5104557Mercaptan composition for dissolving sulfur and process for its use
A composition is disclosed for dissolving sulfur and preventing or removing sulfur plugs from sour gas and oil wells or other conduits through which sulfur bearing liquids flow which comprises a major proportion of a liquid or gaseous mercaptan, a minor p...
04/14/1992
5084210Corrosion inhibitor
A corrosion inhibitor including an acetylinic alcohol is disclosed which is used in connection with a chlorine dioxide process for controlling biomass and cleaning water injection wells and oil producing wells by injecting the chlorine dioxide oxidant int...
01/28/1992
5051197Scale removal treatment
An aqueous composition comprises an aminopolycarboxylic acid and a water-soluble organosilicon compound. The composition is useful for removing scale from well equipment and/or openings in a subterreanean formation, and for stabilizing fine particles with...
09/24/1991
5028344Stabilizing agent for profile control gels and polymeric gels of improved stability
An aqueous polymeric gel-forming composition of improved stability for selectively plugging highly permeable zones in subterranean oil-bearing formations. The composition comprises an aqueous solution of a water-dispersible polymer present in a viscosifyi...
07/02/1991
5002673Corrosion inhibitor and method of use
A corrosion inhibitor formulation for use in well treatig acids includes a highly polar aprotic solvent having dissolved therein (a) a complex of a metal compound and a quaternary ammonium compound and (b) a dispersant capable of dispersing the complex in...
03/26/1991
4992182Scale removal treatment
A method for treating a subterranean formation, or a well penetrating the formation, comprises injecting into the well an aqueous composition containing an aminopolycarboxylic acid and a water-soluble organosilicon compound. By use of the method, scale is...
02/12/1991
4957640Corrosion prevention with compositions prepared from organic fatty amines and nitrogen-containing aromatic heterocyclic compounds
Corrrosion inhibiting compositions containing compositions prepared from (1) nitrogen-containing aromatic heterocyclic compound having at least one group of either (a) a carboxylic acid, (b) carboxylic acid ester, (c) carboxylic acid annhydride, (d) carbo...
09/18/1990
4925578Polymer-thickened aqueous solutions containing a mercaptobenzothiazole
Improved solutions are proposed for an oil recovery process in which oil is displaced by a viscous alkaline aqueous solution. The improved aqueous alkaline solution contains a water-thickening partially hydrolyzed polyacrylamide polymer and a stabilizer c...
05/15/1990
4861884Compositions prepared from amino substituted pyrazines and carboxylic acids, carboxylic acid anhydrides, carboxylic acid esters or carboxylic acid halides
Novel compositions are prepared from (1) amino substituted pyrazine compounds such as pyrazinamine and (2) at least one of (a) a carboxylic acid, (b) carboxylic acid anhydride, (c) carboxylic acid ester or (d) combination thereof, such as tall oil fatty a...
08/29/1989
4848470Process for removing flow-restricting materials from wells
An improved process for removing from a wellbore in a subterranean formation particulate material bonded together by a cured phenolic resin. The material is contacted with a solvent composition comprising a liquid selected from the groups: N,N-dimethylfor...
07/18/1989
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