Assignee: Conoco Specialty Products Inc.

Location: Houston, TX
No. of patents: 25

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Number	Title	Issue Date
5514266	Oil-water separation apparatus employing a floating skimmer, a hydrocyclone and a tubular separation device An apparatus for treating contaminated, e.g. oily, water including a floating skimmer (3) for skimming the surface of the contaminated water (2). The contaminated water from the skimmer is fed to a hydrocyclone (6) for separation of the water and contamin...	05/07/1996
5350525	System and process for hydrocyclone separation of particulate solids and at least one liquid phase from a multiphase liquid mixture This invention relates to a system for separating a multiphase liquid mixture into a plurality of streams. The invention has particular utility in the oil industry where particulate solids are produced with an oil/water mixture. Preferably, the mixture is...	09/27/1994
5336410	Three chamber vessel for hydrocyclone separator The present invention relates to a hydrocyclone apparatus which is simple in design, more space efficient, and easier to maintain than prior art designs. The invention comprises a three chamber vessel wherein the inlet chamber is between the outlet and ov...	08/09/1994
5194150	Three chamber vessel for hydrocyclone separator The invention provides a highly space efficient solution to designing hydrocyclone vessels and the liners that are used therein. Moreover, the invention reduces the maintenance requirements for the vessels by providing the liners as units which are preass...	03/16/1993
5151079	Method and apparatus for reduction of particle disintegration This invention relates to an improved particulate receiving chamber within a centrifugal separation device and more particularly within a decanter centrifuge. The improved receiving chamber reduces particle disintegration of the particulates which is part...	09/29/1992
5129468	Method and apparatus for separating drilling and production fluids In a drilling system where production fluids are produced during the drilling operation, a brine solution is used to prevent development of a filter cake on the formation and thereby in the absence of such filter cake, allow production to occur. A separat...	07/14/1992
5110471	High efficiency liquid/liquid hydrocyclone A high efficiency small diameter hydrocyclone for separating liquid/liquid constituents of a mixture. An effective separation portion Le of the hydrocyclone separation chamber begins at a small diameter throat DT where acceleration a...	05/05/1992
5108608	Cyclone separator with multiple outlets and recycling line means A hydrocyclone separator for separating oil and water components of a fluid mixture to provide a more dense water component that is substantially free of oil, having three outlets at the end of the hydrocyclone opposite the inlet end. One of the outlets r...	04/28/1992
5100552	Cyclone separator with enlarged underflow section A cyclone separator with an inlet and two outlets for separating oil and water from an oil-water mixture wherein the separation chamber has a large diameter inlet end and a smaller diameter underflow outlet end, and is generally comprised of first, second...	03/31/1992
5093006	Liquid separator Liquid separator and method of separating oil and water components of a liquid mixture wherein the oil component is made up of droplets of a less dense phase in a more dense water phase, using a hydrocyclone for separating the components. A less dense com...	03/03/1992
5071557	Liquid/liquid hydrocyclone A high efficiency hydrocyclone for separating liquid constituents of a mixture wherein one constituent is a dispersed phase in another continuous phase constituent. The separation chamber of the hydrocyclone is configured such that a first steep tapered o...	12/10/1991
5071556	Hydrocyclone having a high efficiency area to volume ratio A high efficiency hydrocyclone for separating a dispersed liquid phase from a continuous liquid phase in a mixture includes a separation chamber having an effective separation portion Le that begins where the slope or curve of the portion is le...	12/10/1991
5055202	Method and apparatus for maintaining predetermined cyclone separation efficiency For separating an oil and water mixture, the mixture is applied to the inlet of a cyclone separator so that the oil emerges from an overflow outlet and the water from an underflow outlet. Sensors measure the purity of the separated water and oil component...	10/08/1991
5049277	Cyclone separator Cyclone separator for separating liquid components from a liquid mixture, having an axially extending separating chamber (12) with an underflow outlet (22) for outlet of more dense components at one end thereof and an overflow outlet (18) for outlet of le...	09/17/1991
5037558	Liquid separator Liquid separator including a liquid-liquid hydrocyclone (10) and a method for enhancing the operation of the liquid-liquid hydrocyclone in which the mixture to be separated is first passed through a mixing and/or residence vessel (90), such as a cross pla...	08/06/1991
5032275	Cyclone separator A cyclone separator comprising at least a primary portion having generally the form of a volume of revolution and having a first end and a second end, the diameter at said second end being less than at said first end, at least one inlet, the or each said ...	07/16/1991
5021165	Oil and water separating system with hydrocyclone and floatation device A separation system for separating oil and water components of a liquid mixture wherein the oil component is comprised of droplets of a less dense phase in a more dense water phase. The mixture is fed to separation devices including a hydrocyclone for gen...	06/04/1991
5017288	Cyclone separator A cyclone separator (10) of the dewatering type which comprises an elongated separating chamber (12) having an axis of symmetry between opposite first and second ends, the separating chamber being of greater cross-sectional dimension at the first end than...	05/21/1991
5009785	System and apparatus for the separation of multi-phase mixture Apparatus for separating multi-phase liquid mixtures or at least partially separating a more dense liquid component of the mixture from a less dense liquid component thereof. An outer casing has a cavity therein, an intake port through which the mixture i...	04/23/1991
5009784	Cyclone separator with oppositely directed separating chambers A cyclone separator for separating components of a liquid mixture including oil and water phases has oppositely disposed separating chambers with a common intermediate portion positioned between the separating chambers which provides a common inlet and in...	04/23/1991
4995989	Separating liquids Apparatus (100) for separating components of a liquid mixture such as oil from water. The apparatus comprises a cyclonic device (110) and a separating device (150). The cyclonic device has a tangential inlet (112) for inlet of the mixture, an elongate cha...	02/26/1991
4983283	Cyclone separator A cyclone separator comprising an elongated separating chamber having a longitudinal axis of symmetry between opposite first and second ends, the separator including at least one feed inlet (3) adjacent the first end and at least two outlets (4), (5), the...	01/08/1991
4980064	Cyclone separator with enlarged underflow section A cyclone separator with an inlet and two outlets for separating oil and water from an oil-water mixture wherein the separation chamber has a large diameter inlet end and a smaller diameter underflow outlet end. The overflow is arranged as an axial outlet...	12/25/1990
4976872	Cyclone separator A cyclone separator for separating a denser liquid component from a less dense liquid component of a multi-phase liquid mixture wherein one phase is in the form of drops dispersed in the other phase, the separator having an elongated, unobstructed separat...	12/11/1990
4966703	Cyclone separator Cyclone separator having an elongate tapered separating chamber (25) with an axial overflow outlet (34) at the larger diameter end (10a) and an underflow outlet (23) at the smaller diameter end (10b). Inlet to the separating chamber is provided via an axi...	10/30/1990

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Assignee: Conoco Specialty Products Inc.