| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166357000 | Separator | 24 |
| 20080210434 | Subsea Tanker Hydrocarbon Production System - A subsea and modular tanker-based hydrocarbon production system comprising a plurality of interlinked individual tank units which is wholly submersible, is wholly detachable from, and wholly re-attachable to, its associated subsea wellhead infrastructure. Modularity of the interlinked tank unit system allows for the processing, measurement, and storage of hydrocarbons from a wide variety of offshore hazard and water-depth related conditions and situations. In addition to being both detachable and re-attachable, the modularity of the system provides for a number of unit systems to be conjoined at surface and towed to market. | 09-04-2008 |
| 20080245528 | Separating Device - The invention comprises a sealing body ( | 10-09-2008 |
| 20080264645 | APPARATUS FOR MITIGATING SLUGGING IN FLOWLINE SYSTEMS - A system for mitigating slugging in the conveyance of hydrocarbons in a flowline includes a first portion of flowline that extends substantially longitudinally along a declining surface. The first flowline portion carries multiphase hydrocarbons. A second portion of flowline extends upward from adjacent the first portion of flowline, and is in fluid communication with the first portion of flowline. A slug-mitigating region is between the first and second portions of flowline so slug-mitigating assembly receives the hydrocarbons from the first portion of flowline and conveys the hydrocarbons to the second portion of flowline. The slug-mitigating region has consecutively joined tubular segments that are each arcuate along a predetermined arcuate angle, with substantially uniform cross-sections. The first portion of flowline can be a subsea flowline extending along a sea floor, and the second portion of flowline can be a riser. | 10-30-2008 |
| 20090211763 | Vertical Annular Separation and Pumping System with Integrated Pump Shroud and Baffle - A Vertical Annular Separation and Pumping System (VASPS) utilizing an isolation baffle to replace a standard pump shroud associated with an electrical submersible pump. The isolation baffle may be a one piece plate positioned so as to direct produced wellbore liquids around the electrical submersible pump motor to provide a cooling medium to prevent overheating and early failure of the electrical submersible pump. | 08-27-2009 |
| 20090211764 | Vertical Annular Separation and Pumping System With Outer Annulus Liquid Discharge Arrangement - A system for producing hydrocarbon fluids from a subsea formation comprises at least one producing well ( | 08-27-2009 |
| 20090301729 | Device for Controlling Slugging - A device for inhibiting severe slug flow in a multiphase fluid stream flowing through a pipeline and into a riser, wherein, the device is positioned immediately upstream of the riser and comprises at least one unit comprising (i) an upwardly inclined section of pipe having a lower end and an upper end and (ii) either a substantially horizontal section of pipe having a first end and a second end or a downwardly inclined section of pipe having an upper end and a lower end, wherein the lower end of the upwardly inclined section of pipe is connected either directly or indirectly with the pipeline, the upper end of the upwardly inclined section of pipe is connected either directly or indirectly with the first end of the horizontal section of pipe or with the upper end of the downwardly inclined section of pipe, and the second end of the horizontal section of pipe or the lower end of the downwardly inclined section of pipe is connected either directly or indirectly with the riser, and wherein the angle of inclination of the upwardly inclined section of pipe is in the range 5 to 90° to the horizontal, and the length of the upwardly inclined section of pipe is in the range 1 to 30 feet. | 12-10-2009 |
| 20100155075 | METHOD FOR LIQUID CONTROL IN MULTIPHASE FLUID PIPELINES - A method for control of liquid or liquid slugs in multi phase fluid pipelines, including a multiphase pipeline for the transportation of a fluid, consisting of mainly gas and some liquid such as water an/or gas condensate. The gas is evacuated via a gas separation unit connected to the multiphase pipeline to a second gas transport pipe, and the liquid is fed to a dedicated pipeline section acting as a buffer volume pipeline. The separation unit includes one or several vertical pipes connected at a distance from one another along the multiphase pipeline, whereby the gas is transported separately to a downstream processing facility on a platform or onshore or the like, and whereby the liquid proceeds to the loop which may preferably be an extension of the multiphase pipeline, or the liquid and gas may be re-combined and led in a common transport pipeline to the desired destination. | 06-24-2010 |
| 20110120721 | Separation of Drill Cuttings from Drilling Fluid on a Seabed - A method and device for recovering drilling fluid used in connection with the provision of a subsea well, in which the drilling fluid is circulated from a vessel on a sea surface via a drill string and out through a drill bit into an annulus which is defined by a borehole and the drill string. The device includes a filtering device which is connected, in respect of fluid, to an annulus and which is arranged to contain drill cuttings and drilling fluid. A fluid line extends from a portion of the filtering device to the vessel, the fluid line being arranged to carry drilling fluid which has been separated from the drill cuttings back to the vessel. | 05-26-2011 |
| 20110155384 | SUBSEA FLUID SEPARATOR - The present application is directed to a subsea separator. The subsea separator suitably comprises (a) a housing having an inlet for receiving a fluid mixture, a non-gaseous fluid outlet located along the housing at a point lower than the inlet, and a gas outlet located along the housing at a point higher than the inlet; (b) a deflector means located within the housing for acting on fluid entering the housing; and (c) a sealing means in communication with the gas outlet for preventing non-gaseous fluid from exiting the housing through the gas outlet, the sealing means being operationally configured to open and seal the gas outlet based on the volume of non-gaseous fluid within the separator; wherein the separator is operationally configured to operate under a differential pressure including a greater external hydrostatic pressure than internal pressure and vice versa. | 06-30-2011 |
| 20110155385 | METHOD AND SYSTEM FOR SUBSEA PROCESSING OF MULTIPHASE WELL EFFLUENTS - A method and system are disclosed for subsea processing multiphase well effluents comprising natural gas and liquid from a subsea hydrocarbon containing formation, which system ( | 06-30-2011 |
| 20110290500 | Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well - Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments allow diversion of fluids out of a tree to a subsea processing apparatus followed by the return of at least some of these fluids to the tree for recovery. Alternative embodiments provide only one flowpath and do not include the return of any fluids to the tree. Some embodiments can be retro-fitted to existing trees, which can allow the performance of a new function without having to replacing the tree. Multiple diverter assembly embodiments are also described. | 12-01-2011 |
| 20120012328 | Dual gradient pipeline evacuation method - The method of removing a first liquid from a subsea pipeline which has a central portion lower than each of the ends of the subsea pipeline by pumping a second lower density fluid into the pipeline and the either removing the second lower density fluid by either displacing it with gas or evaporating the second lower density fluid to a gas. | 01-19-2012 |
| 20120024534 | SUBSEA MACHINE AND METHODS FOR SEPARATING COMPONENTS OF A MATERIAL STREAM - Systems and methods include using a subsea machine for separating a mixture received from a seabed well. The subsea machine includes: a chamber configured to receive and separate by gravity the mixture received from the seabed well. The chamber includes: a housing configured to contain the mixture received from the undersea well during separation, and a piston provided inside the housing and separating the housing into a top section and a bottom section. The piston is configured to move in a first direction along an axis to create more space in the top section for receiving the mixture from the seabed well and to move in a second opposite direction along the axis for removing the mixture from the chamber after separation has occurred. | 02-02-2012 |
| 20120181041 | Gas Hydrate Harvesting - A harvester ( | 07-19-2012 |
| 20130008663 | OFFSHORE HEAVY OIL PRODUCTION - A system is provided for the production of heavy crude oil from an undersea reservoir, and for the treatment of the crude oil to facilitate its transport. A floating body ( | 01-10-2013 |
| 20130025874 | SYSTEM AND METHOD FOR SAMPLING MULTIPHASE FLUID AT A PRODUCTION WELLSITE - Techniques for separating downhole fluid from a wellbore penetrating a subterranean formation are provided. These techniques may involve a cyclone separator having a housing with an intake for receiving the downhole fluid and at least one outlet, a cyclone section for rotating the downhole fluid, and an isolation plate positioned below the cyclone section. The isolation plate has a plurality of slots along a perimeter thereof positionable adjacent an inner surface of the housing for selectively passing portions of the downhole fluid out of the cyclone section. The cyclone separator further having a catching section for receiving the portions of the downhole fluid passing through the isolation plate for gravitational separation into a plurality of phases therein. The catching section has a plurality of baffles for stopping rotation of the portions of the downhole fluid. | 01-31-2013 |
| 20130206421 | EQUIPMENT FOR THE CONVEYING AND RECOVERY OF HYDROCARBONS FROM AN UNDERWATER WELL FOR THE EXTRACTION OF HYDROCARBONS, UNDER UNCONTROLLED RELEASE CONDITIONS - The present invention relates to equipment for the conveying and recovery of hydrocarbons from an underwater well for the extraction of hydrocarbons under uncontrolled release conditions, comprising a chamber ( | 08-15-2013 |
| 20130206422 | Gas Handler, Riser Assembly, and Method - Method, riser assembly and gas handler for diverting gas from a riser, The riser assembly includes a riser having a first end and a second end and a conduit extending from the first end to the second end; a gas handler connected to the riser and provided between the first end and the second end, the gas handler having an external casing; plural pipes attached to an outside of the riser such that at least one pipe of the plural pipes enters through the external casing; and a gas vent pipe configured to start at the gas handler and extend towards the second end of the riser and the gas vent pipe is further configured to divert a gas from the gas handler through the outside of the riser. | 08-15-2013 |
| 20130312980 | Injecting A Hydrate Slurry Into A Reservoir - A method and systems are provided for injecting a hydrate slurry into a reservoir. The method includes combining gas and water within a subsea simultaneous water and gas (SWAG) injection system. The method also includes forming a hydrate slurry from the gas and the water, and injecting the hydrate slurry into a reservoir. | 11-28-2013 |
| 20140158364 | Separator and Method of Separation - A method of separating a multiphase fluid, the fluid including a relatively high density component and a relatively low density component, that includes introducing the fluid into a separation region; imparting a rotational movement into the multiphase fluid; forming an outer annular region of rotating fluid of predetermined thickness within the separation region; and forming and maintaining a core of fluid in an inner region. Fluid entering the separation vessel is directed into the outer annular region and the thickness of the outer annular region is such that the high density component is concentrated and substantially contained within this region, the low density component being concentrated in the rotating core. A separation system employing the method is also provided. The method and system are particularly suitable for the separation of solid debris from the fluids produced by a subterranean oil or gas well at wellhead flow pressure. | 06-12-2014 |
| 20150101820 | SUBSEA FLOW SPLITTING ARRANGEMENT - A subsea system and an oil/gas outlet arrangement for splitting of oil and gas. The subsea system comprising a separator ( | 04-16-2015 |
| 20150136411 | Slug Mitigation System for Subsea Pipelines and Risers - A slug mitigation system for subsea pipelines includes a riser located between a low level and an upper (above sea-) level of a pipeline, where an inline separator, e.g. an “I-SEP”, is located upstream of a first stage separator. A throttling valve or fixed restriction is located downstream or upstream in series with the inline separator. Further aspects may also include a surface jet pump upstream of the in-line separator and/or a cyclonic separator downstream of the in-line separator. | 05-21-2015 |
| 20160040483 | ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD - What is provided is a method and apparatus wherein a rotating and reciprocating swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections with the mandrel of the swivel being comprised of double box end joints and using double pin end subs to connect a plurality of such mandrel joints together. | 02-11-2016 |
| 20160138372 | METHOD OF USING A SURFACE JET PUMP TO MITIGATE SEVERE SLUGGING IN PIPES AND RISERS - A slug mitigation system for subsea pipelines that includes a riser located between a low subsea level and an upper topside level of a pipeline. There is also a separator located at the top of the riser; and a surface jet pump located at a gas outlet of the separator. In another embodiment of a slug mitigation system, the surface jet pump is located downstream of an in-line separator on a gas outlet using high pressure gas from a downstream process or compressor. | 05-19-2016 |
