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WO/2001/090283A1 |
Used Motor Oil (UMO) is reprocessed by vaporization and partial condensation. The UMO vapor fraction from the thermal reactor (10) may contain gasoline and chlorinated solvents, and will contain vaporized lubricating oil boiling range co...
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WO/2001/080982A1 |
A method and apparatus for the dehydration of oils is shown. A water containing oil stream (40) is dehydrated by contacting stream (40) with one side of a defect-free, nonporous membrane (18). The membrane (18) divides a separation chamb...
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WO/2001/079648A2 |
A method of drilling a bore hole is described; a desiccant is added to a hydrocarbon based fluid (crude oil, refined oil, diesel fuel, mineral oil - etc.) used as a drilling fluid to drill bore holes (oil and gas wells, mine shafts - etc...
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WO/2001/074468A2 |
The present invention relates to a process for the separation of emulsions, such as oil/water emulsions. More particularly, the present invention is a process for separating oil/water emulsions that does not require the use of high tempe...
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WO/2001/057163A1 |
A method of purifying a mixture, said mixture comprising an oil Product, at least one additive and water; wherein: said oil Product is a liquid fuel oil composition or lubricating oil composition, at least part of the water is in the for...
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WO/2001/045818A1 |
A process for removing even tightly emulsified oil, water and solid emulsions by the application of a shear force sufficient to break the emulsion. In one particular application, a tank bottom sludge produced in the petroleum industry is...
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WO/2001/040410A1 |
Petroleum additive formulations include a petroleum additive dissolved in a carrier fluid including at least one compound of the formula (I): (R?2¿)¿p?-Ph-(CH¿2?)¿m?-COO-(AO)¿n?-R?1¿ where; R?1¿ is C¿1? to C¿10? alkyl; AO is alk...
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WO/2001/040412A1 |
The present invention accordingly provides a petroleum fuel additive formulation which includes at least one petroleum fuel additive, particularly at least one paraffin wax pour point depressant and/or at least one dehazing agent dissolv...
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WO/2001/034266A1 |
A method, of separating oil, water and solids from oily feeds in the form of emulsions and muds is described, in which the feed has first been conditioned through pH regulation in a known manner in order to destabilise it, where the feed...
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WO/2001/007139A1 |
Process for separating an emulsion of a bituminous oil and water into a liquid water phase and a liquid bituminous oil phase, wherein the following steps are performed: (a) raising the temperature of the bituminous oil/water emulsion hav...
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WO/2000/075262A1 |
The present invention provides a process for de-acidifying crude oil and/or crude oil distillate, said process comprising: (a) contacting crude oil and/or crude oil distillate with a Group IIA metal hydroxide in the presence of water, wh...
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WO/2000/072948A1 |
A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid stream (40) of concern with one side of...
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WO/2000/052114A1 |
It has been discovered that metal-containing components can be transferred from a hydrocarbon phase to a water phase in an emulsion breaking process by using a composition which is a blend of polymers. The composition includes at least o...
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WO/2000/050541A1 |
The invention is directed towards a process for desalting crude oil that requires less wash water than conventional desalting methods. In the practice of the invention, a chemical demulsifier formulation comprising an emulsion-breaking c...
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WO/2000/050540A1 |
The invention is directed towards a process for desalting crude oil that requires less wash water than conventional desalting methods. In the preferred embodiment of the invention, a chemical demulsifier formulation comprising an emulsio...
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WO/2000/025062A1 |
Method for transporting a flow of fluid hydrocarbons containing water through a treatment and transportation system including a pipeline, wherein the flow of fluid hydrocarbons is introduced into a reactor where it is mixed with particle...
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WO/2000/023540A1 |
A process for the conversion of hydrocarbons that are solid or have a high boiling temperature and may be laden with metals, sulfur or sediments, into liquids (gasolines, gas oil, fuels) with the help of a jet of gas properly superheated...
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WO/2000/013762A1 |
Demulsification of a water-in-oil, especially a water-in-crude oil, emulsion is effected by contacting it with an aqueous composition having at least one oil-soluble demulsifier and at least one water-soluble surfactant. These aqueous fo...
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WO/2000/000261A1 |
A two phase liquid media coalescer comprises a chamber such as a pipe (1) which may be fitted into a process system by way of pressure sealable fittings (23, 24). Contained within the chamber is a coalescer media (5) manufactured from fi...
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WO/1999/043767A1 |
A method for processing crude oil, characterized by comprising allowing crude oil to permeate through a membrane by immersing a membrane module in the crude oil in a processing tank and pressurizing the crude oil or by subjecting the cru...
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WO/1999/029386A2 |
The present invention relates to methods for dehydrating crude oil and petroleum products as well as a gaseous condensate and liquid hydrocarbons. The purpose of this invention is to increase the dehydration efficiency of flows of hydroc...
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WO/1999/025795A1 |
An invention is disclosed whereby refinery waste emulsion streams such as API slop oils, desalter rag layer emulsions, mud pit sludges and the like having high viscosities and specific gravity approaching that of water can be treated for...
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WO/1999/024709A1 |
The present invention relates to a new type of separator intended to remove the water and solids contained in diesel fuel, said apparatus having a high flow treatment capacity and being improved preferentially in order to remove the wate...
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WO/1999/019425A1 |
A process for upgrading heavy crude oil production is described which involves adding a diluent, or solvent, which is a light hydrocarbon to reduce the viscosity and specific gravity of the crude oil being processed. After dilution, the ...
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WO/1999/016834A1 |
The invention relates to essentially water insoluble amphiphilic particles or molecules with predominantly hydrophilic and predominantly hydrophobic domains distributed anisotropically on their surface and with a particle size of between...
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WO/1999/007808A1 |
The invention relates to a method for demulsifying emulsions containing water and oil into a water and oil phase by adding demulsifiers. According to the invention, alkoxylation products of C¿10-24?-carboxylic acid esters containing OH ...
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WO/1999/000169A1 |
A method and apparatus for providing a preliminary separation of production fluid. A vessel (1) has an annular inlet (5) opening upwardly at the bottom of the vessel. The inlet has means (4) for causing the mixture to swirl to generate a...
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WO/1998/044078A1 |
A system for recovering liquid hydrocarbons from hydrates on an ocean floor includes a vessel, a positioning subsystem coupled to the vessel for holding the vessel in a desired location over a hydrate formation, a hydrate recovery subsys...
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WO/1998/013440A1 |
A process for separating vaporous mixtures of hydrocarbons, water and emulsifier derived from the remediation of wellbore fluid, such as a mud containing solid particulate material in which the vaporous mixture is quenched in transfer li...
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WO/1998/007494A1 |
The present invention relates to techniques for separating hydrocarbon emulsions, preferably those of the 'water-in-oil' and 'oil-in-water' types. The method for separating and dehydrating emulsion-state hydrocarbon media uses the coales...
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WO/1997/040903A1 |
A method and an apparatus for separating a water/organic/solid emulsion, wherein the solid comprises particles having a length of about 50 'mu'm or less, are disclosed. The method comprises the steps of (1) directing the water/organic/so...
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WO/1997/038067A1 |
The present invention relates to diesel fuel and lubrication oil defoaming agents, and crude oil demulsifiers, as well as methods for using same. In particular, the defoaming agents and demulsifiers are comprised of copolymers which have...
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WO/1997/035945A2 |
A process for purifying a liquid hydrocarbon feedstock containing organo-sulfur compounds wherein an aqueous sulfuric acid solution containing ions of a transition metal, such as vanadium, chromium, manganese, cobalt, cerium or mixtures ...
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WO/1997/028234A1 |
The invention concerns demulsifiers based on polyalkyl (meth)acrylate cooligomers or copolymers CNP built up from the following components: A) 10-95 wt % (meth)acrylic acid esters of formula (I) in which R stands for hydrogen or methyl a...
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WO/1997/020611A1 |
Compositions of an alkylphenol-formaldehyde resin and poly(alkylene glycol) are effective at breaking water-in-oil emulsions in a liquid hydrocarbon. Preferably, the composition is employed in a crude oil desalting system.
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WO/1997/012947A1 |
The use of high flash point, low vapor pressure compositions for injection into, and coating of, gas and oil wells and surrounding underground hydrocarbon bearing formations and processing equipment for the purpose of removing scale, par...
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WO/1997/012144A2 |
The present invention relates to a new type of fluid purification apparatus, with high flow capacity, preferably for the purification of diesel fuel, which can also be used for any other type of fuel or fluid. The apparatus comprises a h...
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WO/1997/005065A1 |
An oil and water processing device used in internal combustion engines, circulatory systems, exhaust systems or various feed water supply systems for preventing or removing generation of scale, slime and rust in piping, and efficiently p...
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WO/1996/040603A1 |
A method for breaking an emulsion comprising oil and water into oil and water phases comprising treating the emulsion with a chemical demulsifier and passing the mixture through a hollow chamber having a uniform cross section and subject...
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WO/1996/040841A1 |
The invention pertains to the separation of different substances, more specifically, to a method and device for the filtration, degassing and dehydration of, and removal of ageing products from insulation and other petroleum oils. The te...
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WO/1996/020133A1 |
The present invention provides for a method of decreasing the metals content of metal containing petroleum streams by forming a mixture of the petroleum fraction containing those metals and an essentially aqueous electrolysis medium, and...
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WO/1996/011225A1 |
Production of oxalkylates of oligoamines or polyamines in a two-stage process in which, in the first stage, a molecule of alkylene oxide per NH group is added to the oligoamine or polyamine in the presence of water, alcohols or acids or ...
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WO/1996/005272A2 |
Sulphosuccinic esters and long chain hydrocarbyl phosphoric acid esters are used as crude oil demulsifiers.
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WO/1995/034522A1 |
A method for breaking an emulsion comprising oil and water into oil and water phases comprising treating the emulsion with a chemical demulsifier and passing the mixture through a hollow chamber (22) having a uniform cross section and su...
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WO/1995/033018A1 |
A method for separating water from crude oil uses as petroleum emulsion cracking agent a mixture of A) active cracking compounds of the structural type (a) polyethyleneamine alkoxylates, (b) mono- or oligoamine alkoxylates, (c) alkoxylat...
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WO/1995/015802A1 |
A method of separating a first liquid from a second liquid in a mixture or suspension of the two liquids, the first liquid having a substantially higher electrical conductivity than the second liquid, which method includes the step of ap...
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WO/1995/007325A1 |
Particles of sand coated with oil are loaded into a housing (1). A fluidising unit (3) is provided towards the bottom of the housing. The fluidising unit fluidises the particles and discharges them from the housing to a separator, such a...
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WO/1995/004771A1 |
Reactions products from olefinically unsaturated carboxylic acids and polyetherols suitable as demulsyfing agents for crude oil emulsions are obtained by (A) condensing one or several unsaturated C3-C10-carboxylic acids or their derivati...
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WO/1994/027701A1 |
Described is a method of removing water from waste oil consisting of either an oil-in-water or a water-in-oil emulsion using compounds selected from (A) the group comprising alkoxylation products of fatty alcohols and corresponding amine...
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WO/1994/026844A2 |
Method and apparatus for substantially atmospheric separation of hydrocarbons or water from an emulsion or dispersion of hydrocarbons, water, and/or solids. Microwave energy is applied to the emulsion or dispersion via a waveguide that i...
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