|
Match
|
Document |
Document Title |
|
|
7611208 |
Methods for constructing underground borehole configurations and related solution mining methods
Disclosed are methods for solution mining of evaporite minerals, such as trona, comprising drilling an access well and at least two lateral boreholes; injecting a fluid; circulating the fluid...
|
|
|
7600567 |
Desalination method
A method of recovering hydrocarbons from a porous subterranean hydrocarbon-bearing formation comprising the steps of: a) feeding to at least on reverse osmosis unit of a desalination assembly a...
|
|
|
7581594 |
Surfactant method for improved oil recovery from fractured reservoirs
A method to enhance oil recovery from a fractured carbonate reservoir, the reservoir being accessible via a production well. The method includes injecting a surfactant solution including...
|
|
|
7578968 |
Microbiological control in oil or gas field operations
Processes for effecting biocidal activity in subterranean oil and gas wells being drilled, completed, worked over or produced are described. In general the process comprises blending with aqueous...
|
|
|
7575048 |
Drive for a rotating chemical dispensing apparatus
A chemical dispensing apparatus includes a housing and a cartridge support within the housing. A rotating cartridge with chemical stick receptacles is rotatably supported about an axis of rotation...
|
|
|
7572381 |
Scale inhibition in water systems
The present invention relates to use of compositions comprising: (a) a copolymer of an unsaturated phosphonic acid (or salt of such an acid) with an unsaturated sulphonic acid (or salt of such an...
|
|
|
7510012 |
Bubble breaker assembly
A method and system are disclosed for dispersing gas bubbles in a multiphase mixture in a production tubing in an crude oil production well or in a riser connected to such a well, by means of one...
|
|
|
7503389 |
Method and apparatus for downhole artificial lift system protection
A fluid conditioning system designed to be installed between the well perforation and the intake of a pump used to effect artificial lift is used to filter and chemically treat production fluids....
|
|
|
7501065 |
Methods for treating agricultural drainage water and the like
Zero discharge processing methods for the treatment of agricultural drainage water (ADW) are disclosed. The disclosed methods are capable of meeting the three critical issues in treating ADW: (1)...
|
|
|
7500522 |
Fluid with asphaltene control
Asphaltene control additives are added to base fluids which are introduced directly or indirectly into a hydrocarbon-bearing formation to mitigate asphaltene deposition in the formation which...
|
|
|
7493955 |
Well treating compositions for slow release of treatment agents and methods of using the same
A composite of a well treatment agent adsorbed onto a water-insoluble adsorbent is useful in the treatment of oil and gas wells and may be introduced, as a well treatment fluid, with a carrier...
|
|
|
7481276 |
Method of inhibiting and/or preventing corrosion in oilfield treatment applications
Corrosive effects arising during oilfield treatment applications are inhibited and/or prevented by introducing into an oil or gas well at least one compound of formula I:
wherein:
R 1 ...
|
|
|
7475730 |
Method of treating well with foamed composition
The annular surface between the tubing and casing of an oil or gas well may be contacted with a foamed well treatment composition containing a gas, a foaming agent and a liquid well treatment...
|
|
|
7455109 |
Water flooding method
A method of recovering hydrocarbons from a porous subterranean hydrocarbon-bearing formation comprising: (a) feeding a first stream comprising a high salinity water to a first side of a...
|
|
|
7448448 |
System and method for treatment of a well
A fluid injection system is used in a well. Fluid stages are arranged in repeating series within a tubing of the fluid injection system to facilitate control over effects of injection. A sensor...
|
|
|
7401653 |
Substances to stimulate the extraction of crudeoil and a method of processing them
Substances to stimulate the extraction of crude oil and a method, of processing them: This invention is about substances to stimulate the extraction of crude oils, especially the ponderous and...
|
|
|
7398824 |
Method 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...
|
|
|
7395864 |
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...
|
|
|
7392848 |
Methods to produce sulfate-free saline water and gypsum
Methods are disclosed for the selective separation of sulfate from a saline stream such as seawater to produce nearly sulfate-free saline stream for oil-fields water injection operations. The...
|
|
|
7392846 |
Silicate-containing additives for well bore treatments and associated methods
Methods and compositions for use in subterranean operations, and more particularly, additives comprising one or more silicates used to treat tar resident in a well bore, and methods of use, are...
|
|
|
7367400 |
Motor protector and method for chemical protection of same
A chamber for use in a submersible pump assembly. The submersible pump assembly has a submersible motor which is connected to a power source and which will drive a submersible pump in the...
|
|
|
7331389 |
Re-use of recovered treating fluid
Treating fluid production and subterranean formation treating methods as well as treating fluid compositions that reuse at least part of a prior treating fluid, particularly a fluid having one or...
|
|
|
7325603 |
Methods of well treatment
A method is disclosed relating to the treatment of a hydrocarbon well, which method comprises administering down a bore hole thermophilic microorganisms capable of generating a well treatment...
|
|
|
7318476 |
Automatic chemical treatment system with integral flush fluid dispenser
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...
|
|
|
7273103 |
Cement compositions comprising environmentally compatible defoaming agents and methods of use
Provided herein are defoaming agents that comprise lecithin and a solvent. Optionally, they may comprise hydrophobic particles. One embodiment provides a method comprising: providing a well fluid...
|
|
|
7270180 |
Scaling inhibitors and method for using the same in high density brines
A formulation containing a copolymer derived from a cationic monomer effectively inhibits and controls the formation of inorganic scales. The formulation has particular application in the removal...
|
|
|
7234525 |
Automated chemical stick loader for gas wells and method of loading
The automated chemical stick loader includes a ground-based stick storage and dispensing cabinet, an automated valve actuating system atop the wellhead, and a fixed stick transfer tube extending...
|
|
|
7216712 |
Treatment of oil wells
Hydrocarbon solids are removed from an oil well by feeding into the oil well a composition comprising at least 40 vol. % dense phase carbon dioxide and at least 30 vol. % of a C 1 –C 3 alkanol...
|
|
|
7216705 |
Methods of placing treatment chemicals
Among the methods provided are methods of treating a subterranean formation comprising placing a solid treatment chemical and a tacky polymer onto a solid substrate to create a coated solid...
|
|
|
7164051 |
Gas hydrate inhibitors
A method for inhibiting formation of hydrocarbon hydrates in mixtures of water and a hydrate-forming guest molecule involves adding a reaction product to the mixtures in an effective amount to...
|
|
|
7163056 |
Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound (“esterquat”) and methods of their use. One embodiment...
|
|
|
7159655 |
Method for inhibiting or controlling inorganic scale formations
A formulation containing a copolymer derived from a cationic monomer effectively inhibits and controls the formation of inorganic scales. The formulation has particular application in the removal...
|
|
|
7144549 |
Biocide impregnation of coatings for ESP components
An electric submersible pump has one or more components coated with a biocide-incorporated coating for the purpose of controlling the activity of bacteria. The portions exposed to well fluid are...
|
|
|
7140433 |
Diamine terminated primary amine-aldehyde sulfur converting compositions and methods for making and using same
A new class of sulfur scavenging or converting compositions is disclosed comprising diamine terminated, amine-aldehyde adducts, where the adducts are substantially bimolecular amine-aldehyde...
|
|
|
7093663 |
Methods to solve alkaline-sulfate scales and related-gases problems
Methods for the removal of alkaline and sulfate scales from aqueous saline streams such as seawater, oil-gas fields produced waters, formation waters, and the like. Such processing methods can also...
|
|
|
7086465 |
In situ production of a blending agent from a hydrocarbon containing formation
An in situ process for treating a hydrocarbon containing formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may...
|
|
|
7040401 |
Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus
An automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus. In one configuration, arrival of a plunger is sensed as the plunger ascends from the wellbore...
|
|
|
7028776 |
Methods for the inhibition of salt blockages in oil and gas wells
Compositions and methods for the inhibition of salt formation in oil and gas wells are disclosed. In particular, nitrilotriacetamide and its salts are effective at treating existing salt...
|
|
|
7008964 |
Contaminant removal from natural resources
A zero-valent metal emulsion containing zero-valent metal particles is used to remediate contaminated natural resources, such as groundwater and soil. In a preferred embodiment, the zero-valent...
|
|
|
7004258 |
Method and apparatus for enhancing oil and gas flow in a well
An apparatus for increasing oil and gas recovery includes a delivery mechanism for automatically introducing a flow enhancing substance into a plunger of an oil or gas well and method.
|
|
|
6983802 |
Methods and apparatus for enhancing production from a hydrocarbons-producing well
Methods and apparatus for producing hydrocarbons from a well, and especially for producing gas from low pressure gas wells containing water, are disclosed. An electrical submersible pump is...
|
|
|
6973936 |
Fluid injection system
A fluid injection system controls the distribution of fluid from a supply line to a selected well at an adjustable rate. A fluid barrier divides a cylinder into first and second chambers. A...
|
|
|
6948562 |
Production of a blending agent using an in situ thermal process in a relatively permeable formation
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a selected section of the formation. The...
|
|
|
6942037 |
Process for mitigation of wellbore contaminants
A method is disclosed for intermittently mitigating hazardous sulfur compounds, such as hydrogen sulfide, mercaptans and sulfur oxides, from a fluid in the head space of a wellbore. The method...
|
|
|
6905605 |
Method 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...
|
|
|
6894008 |
Method of increasing pH of high-density brines
It has been discovered that carbonate powders and bicarbonate powders are useful to increase the pH and corrosion resistance of high-density brines, such as zinc bromide brines, without...
|
|
|
6818599 |
Method for in situ forming of unstable oil in water emulsion, especially as well servicing fluid
A method for in situ forming of an unstable oil in water emulsion includes the steps of providing a mixture of an aqueous alkali salt solution and a surfactant, and pumping the mixture down a well...
|
|
|
6810957 |
Well constructions with inhibited microbial growth and methods of antimicrobial treatment in wells
The invention includes methods of inhibiting microbial growth in a well. A packing material containing a mixture of a first material and an antimicrobial agent is provided to at least partially...
|
|
|
6772838 |
Lightweight particulate materials and uses therefor
Methods and compositions useful for sand control and/or hydraulic fracturing of subterranean formations that utilize relatively lightweight and/or substantially neutrally buoyant particles as...
|
|
|
6769488 |
Well treatment tool and method of treating a well
A well treatment tool is installed along the sucker rod string of a well, within the surrounding production tube string. The tool provides for the distribution of a treatment fluid (solvent, etc.)...
|