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WO2004004863A1 - Separation du petrole et du sable - Google Patents

Separation du petrole et du sable Download PDF

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Publication number
WO2004004863A1
WO2004004863A1 PCT/GB2003/002685 GB0302685W WO2004004863A1 WO 2004004863 A1 WO2004004863 A1 WO 2004004863A1 GB 0302685 W GB0302685 W GB 0302685W WO 2004004863 A1 WO2004004863 A1 WO 2004004863A1
Authority
WO
WIPO (PCT)
Prior art keywords
sand
separator device
oil
water
vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB2003/002685
Other languages
English (en)
Inventor
Michael Joseph Bowe
Linda Jane Mccausland
Andrew Derek Turner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Accentus Medical PLC
Original Assignee
Accentus Medical PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0215428A external-priority patent/GB0215428D0/en
Priority claimed from GB0215552A external-priority patent/GB0215552D0/en
Application filed by Accentus Medical PLC filed Critical Accentus Medical PLC
Priority to AU2003251129A priority Critical patent/AU2003251129A1/en
Publication of WO2004004863A1 publication Critical patent/WO2004004863A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34—Arrangements for separating materials produced by the well
    • E21B43/40—Separation associated with re-injection of separated materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/283—Settling tanks provided with vibrators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34—Arrangements for separating materials produced by the well
    • E21B43/35—Arrangements for separating materials produced by the well specially adapted for separating solids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34—Arrangements for separating materials produced by the well
    • E21B43/36—Underwater separating arrangements

Definitions

  • This invention relates to a method and apparatus for separating oil from sand, and also to a separator for use on the sea bed, for separating different components from an oil or gas well.
  • the risers become a significant cost.
  • the risers are the pipes carrying fluids from the well to a processing plant which may be on a floating platform.
  • the risers must be capable of withstanding the high pressures of the fluids, which may exceed 600 atmospheres (> 60 MPa) .
  • the fluid emerging from the well consists of a mixture of gas, oil, water and sand, and because of its multi-phase nature the pressure drop through the riser may be significant and indeed variable, and the riser diameter must therefore be large.
  • Separation may be undertaken using large vessels in which the phases separate under gravity, and separate smaller diameter risers can then be provided for the oil phase and the gas phase.
  • the water associated with the oil may not be pure enough to be discharged to the environment, but can be re-injected into the well using high-pressure pumps at the well head.
  • the sand that also collects in the separator is more difficult to deal with, because it is also usually contaminated with oil and so should not be discharged directly to the seabed.
  • One solution is to bring the separator module to the surface (say once a year) and remove the sand for further treatment, but this is expensive and may cause disruption to oil production.
  • a separator device for use on the sea bed, the separator device comprising a vessel in which sand will be present, immersed in water, in use of the device, the vessel being provided with ultrasonic transducers to subject the contents to intense ultrasonic irradiation, and means to energize the ultrasonic transducers arranged such that the sand is subjected to such irradiation for at least one brief time period of no more than 60 s, so as to remove any oil from the sand.
  • Energising the transducers tends to disperse the sand in the water, to separate any oil from the surface of the sand particles, and may also tend to emulsify any oil into the water; this may be due to fluidisation of the water and sand mixture, or cavitation within the mixture, and particle/particle collisions. After the or each period of irradiation the sand separates from the oil/water mixture due to the density difference. This cleaning process can be repeated. The water can subsequently be re-injected into the oil well using a pump.
  • water in this specification refers to the aqueous phase associated with oil and gas in the oil well, and is perhaps more accurately referred to as a brine.
  • the emulsification may be improved if the separator also comprises means to electrolyse brine so as to generate sodium hypochlorite, or caustic (sodium hydroxide) . This may enhance removal of- the oil from the sand, and dispersion of the oil in the water.
  • the ultrasonic cleaning step may be performed only when a significant quantity of sand has collected in the vessel.
  • the sand is then allowed to settle, and the removed oil droplets allowed to float up. If the oil is emulsified into the water, the resulting oil- • contaminated water may be re-injected into the reservoir.
  • the sand may then be again contacted with water from the well, and the ultrasonic cleaning repeated. . This cleaning process is usually performed several times, to reduce the oil contamination to negligible levels.
  • the sand may be subjected to such an ultrasonic cleaning step on a continuous basis, whilst immersed in water. The cleaned sand, dispersed in water from the well, can then be discharged onto the sea bed.
  • an array of ultrasonic transducers is provided, each mounted on the outside of the wall of the vessel.
  • the separator device also comprises a rechargeable battery to provide electricity for energising the transducers, and for operating water injection pumps, and possibly also to generate caustic or sodium hypochlorite .
  • the battery is a rechargeable lithium ion battery.
  • Such a battery may be trickle charged through a cable from a generator on a production platform at the surface. Alternatively it may be trickle charged from a seabed generator.
  • the separator device preferably also includes a thermoelectric generator to generate electricity from fluids at two different temperatures.
  • the generator might utilize the temperature difference between the fluids from the oil well, which may be at 200°C, and the surrounding sea water which is typically at about 5°C.
  • a suitable temperature difference may be generated by causing gas (say from the gas riser) to flow through a vortex tube, so generating higher and lower temperature gas streams, the gas streams subsequently being fed back into the gas riser for example at a venturi .
  • the invention also provides a process for cleaning sand that is contaminated with, oil, the method comprising mixing the sand with an aqueous liquid, . and subjecting this mixture to intense ultrasonic irradiation for at least one brief time period of no more than 60 s, so as to remove any oil from the sand. At least with some types of oil the irradiation period may be less than 30 s, for example 20 s.
  • This is preferably performed using a tubular duct with an array of ultrasonic transducers extending longitudinally and circum-ferentially over its external surface, the sand/liquid mixture being caused to flow along the duct.
  • Figure 1 shows a seabed separator device
  • Figure 2 shows an inlet valve for the separator device of figure 1;
  • FIG. 3 shows an alternative seabed separator device
  • Figure 4 shows another alternative seabed separator device .
  • a separator device 10 is arranged on the seabed 12 adjacent to a wellhead 14 through which emerges a fluid stream comprising oil, gas, an aqueous phase (referred to as water) and some sand, at an elevated pressure.
  • the fluid stream is fed through a vortex flow modulator 16 (in order to adjust flowrate) into a separator tank 18 in which it separates into three layers: gas 20, oil 21 and water 22.
  • the flow rate may be adjusted in response to a sensor (not shown) of the liquid level in the separator tank 18.
  • Phase separation is enhanced by the vortex flow at the outlet from the modulator 16.
  • the separator tank 18 would typically be " of length between 6 and 9 m, and of diameter between 1.8 and 2.4 m.
  • Risers 24 and 26 carry the gas 20 and oil 21 respectively to a production platform at the surface (not shown) .
  • a pump 28 is activated, intermittently, to re- inject the water into the well.
  • the vortex flow modulator 16 comprises a vortex chamber 30 with an axial inlet 32 and an axial outlet 34 between which is a baffle plate 36.
  • a plunger 38 may be actuated to adjust the flow rate through the inlet 32.
  • bypass ducts 40 (only one of which is shown) that supply fluid from upstream of the plunger 38 to tangential inlets 42 in the vortex chamber 30. Adjusting the plunger 38 enables the flow rate from the wellhead 14 to be adjusted.
  • the duct 44 communicating with the outlet 34 has a weir structure 46 defined by a radial gap between a stepped end of the duct
  • the weir 46 is at a level in the vicinity of the interface between the oil phase 21 and the water phase 22, while the inner tube 48 which primarily carries gas and entrained liquid droplets follows a J-shaped path to emerge in the gas phase 20 just below an impactor plate 50.
  • the vortex flow modulator 16 the weir 46 and the impactor plate 50 assist in separating the three fluid phases, which also separate within the tank 18 because of their density differences .
  • the sand is the densest component, and an inclined tray 52 immersed in the water phase 22 is arranged to catch the sand emerging from the weir 46.
  • Several ultrasonic transducers 54 are mounted in an array on the underside of the tray 52, and are connected to a signal generator 56. From the bottom corner of the tray 52 an outlet duct 58 extends to near the seabed 12, incorporating a multi-phase pump 60.
  • sand 55 gradually collects in the tray 52.
  • the sand 55 usually has oil associated with it.
  • the transducers 54 are activated so that the ultrasonic energy is focused into the bed of sand and the immediately adjacent water.
  • the ultrasound fluidises the sand 55, and any oil film on the sand particles is disrupted and dislodged by cavitation and particle/ particle collisions.
  • the transducers 54 are activated for a succession of brief pulses, for example pulses of 5 s with intervals of 1 minute between pulses, and between the pulses the displaced oil droplets migrate out of the sand bed, and float up out of the water phase 22.
  • Sodium hydroxide or sodium hypochlorite generated in situ electrochemically may be introduced into the oil -contaminated sand prior to ultrasonic cleaning to enhance the effectiveness and completeness of separation.
  • the transducers 54 are again activated to fluidise the sand 55 and at the same time the pump 60 is actuated to pump ⁇ the clean sand out onto the seabed 12.
  • Any overall change of pH can be prevented by subsequently mixing the acidic liquid from near the anode of the • electrolysis cell with the aqueous phase in the tank 18) .
  • the pressure of the fluids emerging from the wellhead 14 is typically considerably greater than the surrounding pressure of the sea water in the vicinity of the separator 10, for example the fluids may be at between 500 and 1000 atmospheres, whereas at a depth of 100 m the seawater is only at about 10 atmospheres.
  • the sand cleaning process described in the previous paragraph may be carried out online, at this elevated pressure, in which case the pump 60 may be replaced by a valve.
  • the sand cleaning process may be carried out at the seabed ambient pressure; this entails closing the valve at the wellhead 14 or alternatively the flow modulating valve 16, closing valves (not shown) at the bottom of the risers 24 and 26, and opening a pressure equalisation valve (not shown) between the water 22 in the tank 18 and the sea water surrounding it. If it is necessary to maintain production from the wellhead 14 during such a cleaning process, this may be achieved by providing two identical separator tanks 18, so that one may be in use while the other is undergoing this sand-cleaning process.
  • the electrical power needed for electrolysis and to operate the water reinjection pump 28, the signal generator 56 for the transducers 54, the flow modulating valve 16, and the sand outlet pump 60 is provided by a rechargeable battery 62.
  • This may in principle be trickle charged using a cable (not shown) from the surface, but it is usually preferable if the separator device 10 incorporates means to generate the electricity. As indicated diagrammatically in figure 1 this may consist of a stack of thermocouples 64 generating electricity from the temperature difference between the water 22 in the tank 18, and the ambient sea water.
  • FIG 3 there is shown a modified sand separator device 70, many features of which are the same as in the device 10 of figure 1 and are referred to by the same reference numbers.
  • the separator tank 18 in this case contains a generally funnel-shaped sand collecting tray 72, at least the lower portion of the tray 72 being below the interface between oil 21 and water 22.
  • Ultrasonic transducers 74 are provided around the outlet duct of the funnel-shaped tray 72, and these are continuously energized by the signal generator 56, so that as the sand falls down the outlet duct it is continuously subjected to ultrasonic cleaning while in the water phase 22.
  • a counter-current flow of in-situ electrochemically generated caustic or sodium hypochlorite solution may enhance the effectiveness of the ultrasonic cleaning.
  • a sand collection trap 76 is arranged below the outlet from the funnel-shaped tray 72, and an array of ultrasonic transducers 54 are coupled to the underside of the trap 76.
  • An outlet duct 58 is connected to the base of the sand trap 76, and leads to an outlet valve 78.
  • the separator device 70 continuously cleans sand as it falls through the outlet duct of the funnel-shaped tray 72, so that the sand 75 in the sand trap 76 is substantially clean. At intervals the transducers 54 are activated by the signal generator 56 so as to fluidise the sand 75 in the trap 76, and the valve 78 is opened to eject a slurry of clean sand and water onto the seabed.
  • the separator device 70 is intended to operate online, so that the contents of the tank 18 remain at the elevated pressure of the fluids from the wellhead 14 at all times. It will be appreciated that a separator device may differ from those shown in figures 1 and 3 while remaining within the scope of the invention.
  • a separator device 80 may comprise an upright cylindrical tank 82 with a generally conical base 83, separation of the fluids taking place within that tank 82; the conical base 83 has an outlet duct 84 communicating with a sand storage and cleaning vessel 86 below the tank 82.
  • Ultrasonic transducers 74 may be provided on the wall of the outlet duct 84 between the two vessels, or transducers 54 may be arranged to subject the sand 85 within the storage vessel 86 to intense ultrasonic irradiation.
  • a water reinjection pump 28 can extract water from the upper part of the sand cleaning vessel 86, the pump 28 being activated only when the sand 85 is not fluidised. This arrangement has the advantage that if the oil becomes emulsified as a result of the ultrasonic treatment, the water and emulsified oil can be immediately disposed of by reinjection. This contaminated water would then, be replaced by comparatively clean water flowing down the duct 84 from the cylindrical tank 82. At intervals, the clean sand can be fluidised and ejected onto the seabed by opening a valve 78.
  • an apparatus similar to that described in relation to Figure 3 may be used on a beach, for example, to decontaminate oiled sand.
  • the oily sand is mixed with water such as seawater. If the quantity of oil is large, then gravity separation may be utilized as a first step; but the significant aspect of the procedure is to pass the oiled sand/water mixture through an ultrasonic irradiation duct with an array of transducers 74 on the wall of the duct. The sand can then be returned to the beach, and the oil (which may be in an emulsion) stored separately for subsequent treatment or disposal.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Soil Sciences (AREA)
  • Physical Water Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Un dispositif de séparation (10) est destiné à être utilisé près d'une tête de puits sous-marin (14); il comprend un récipient (52) servant à collecter le sable pendant l'utilisation. Le récipient (52) se trouve à l'intérieur d'un réservoir (18) dans lequel les phases liquides se séparent sous l'effet de la gravité; à cette fin, il est immergé dans l'eau (22). Les transducteurs ultrasoniques (54) sur la paroi (10) du récipient sont couplés à un générateur de signaux (56) de manière à soumettre le sable à l'action d'un rayonnement ultrasonique intense. Cela permet de nettoyer le sable (55) puis de l'éjecter (60) sur le fonds marin.
PCT/GB2003/002685 2002-07-04 2003-06-24 Separation du petrole et du sable Ceased WO2004004863A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003251129A AU2003251129A1 (en) 2002-07-04 2003-06-24 Seperation of oil from sand

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0215428.4 2002-07-04
GB0215428A GB0215428D0 (en) 2002-07-04 2002-07-04 Seabed separator
GB0215552A GB0215552D0 (en) 2002-07-05 2002-07-05 Seabed separator
GB0215552.1 2002-07-05

Publications (1)

Publication Number Publication Date
WO2004004863A1 true WO2004004863A1 (fr) 2004-01-15

Family

ID=30117091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2003/002685 Ceased WO2004004863A1 (fr) 2002-07-04 2003-06-24 Separation du petrole et du sable

Country Status (2)

Country Link
AU (1) AU2003251129A1 (fr)
WO (1) WO2004004863A1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100012A1 (fr) * 2008-02-07 2009-08-13 Amcol International Corporation Traitement sous-marin de courants de fluide
EP1815900A3 (fr) * 2006-02-07 2009-10-07 Safety-Kleen Europe Limited Dispositif de séparation et procédé
US7677673B2 (en) 2006-09-26 2010-03-16 Hw Advanced Technologies, Inc. Stimulation and recovery of heavy hydrocarbon fluids
RU2437702C1 (ru) * 2010-07-19 2011-12-27 Олег Савельевич Кочетов Песколовка
WO2012010990A1 (fr) * 2010-07-22 2012-01-26 Ecopetrol S.A. Dispositif dessableur de pétroles bruts
WO2012099344A3 (fr) * 2011-01-19 2012-09-13 한국과학기술원 Appareil pour la séparation et le stockage de fluide de puits sous-marin
US8268167B2 (en) 2006-02-07 2012-09-18 Safety-Kleen Europe Limited Separation apparatus and method
ITFI20120071A1 (it) * 2012-04-04 2013-10-05 Tea Sistemi S P A Apparato separatore per miscele gas-acqua-olio, e relativo processo di separazione
WO2015048106A3 (fr) * 2013-09-30 2015-09-11 Saudi Arabian Oil Company Appareil et procédé de production de pétrole et de gaz par effet de flottabilité
WO2015135764A1 (fr) * 2014-03-13 2015-09-17 Siemens Aktiengesellschaft Dispositif et procédé de traitement d'un liquide contenant des gouttelettes d'huile
CN106593402A (zh) * 2016-12-26 2017-04-26 广汉市思科信达科技有限公司 一种超声波处理油田的系统
CN106593404A (zh) * 2016-12-26 2017-04-26 广汉市思科信达科技有限公司 一种超声波分离原油处理系统
CN106593403A (zh) * 2016-12-26 2017-04-26 广汉市思科信达科技有限公司 一种超声波处理采油系统
CN106703781A (zh) * 2016-12-26 2017-05-24 广汉市思科信达科技有限公司 一种超声波采油成套系统
CN109260774A (zh) * 2018-11-30 2019-01-25 北京科技大学 一种高效浆体浓密和稳定排放装置及方法
US10213812B2 (en) 2015-04-30 2019-02-26 Transition Solutions Limited Method and device to remove a contaminant from a material
CN110499186A (zh) * 2019-07-26 2019-11-26 南京绿帝环保能源科技有限公司 一种废矿物油杂质振荡分离装置及其分离方法
US10612956B2 (en) 2017-10-27 2020-04-07 Natural Gas Solutions North America, Llc Using flameless combustion of fuel gas to generate power for a gas meter

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US4178243A (en) * 1975-11-10 1979-12-11 American Minechem Corporation Method and apparatus for controlled dewaterizing of coal treatment underflow
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EP0458015A1 (fr) * 1990-05-24 1991-11-27 Winkelhorst Trenntechnik Gmbh Procédé pour le traitement d'émulsions lubrifiantes réfrigérantes contaminées avec des huiles étrangères
DE4414701A1 (de) * 1994-04-27 1995-11-02 Arnold Grimm Reinigung kontaminierter Böden mittels Ultra-Schall-Systeme
DE4420210A1 (de) * 1994-06-09 1995-12-14 Donalies Michael Dipl Chem Verfahren und Vorrichtung zur Trennung von Feststoffen und hydrophoben Substanzen in Suspension mit Hilfe von Ultraschall-Flotation
WO1998051387A2 (fr) * 1997-05-16 1998-11-19 Scott Harold W Procedes et dispositif a ultrasons pour la separation de matieres dans un melange fluide
WO2002024302A2 (fr) * 2000-09-19 2002-03-28 Mccasland Edwin D Separation de materiaux ayant differentes gravites specifiques

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Publication number Priority date Publication date Assignee Title
US3017342A (en) * 1958-09-05 1962-01-16 Bendix Corp Oil separation process
US4178243A (en) * 1975-11-10 1979-12-11 American Minechem Corporation Method and apparatus for controlled dewaterizing of coal treatment underflow
US4358373A (en) * 1980-12-08 1982-11-09 Rock Oil Corporation Continuous apparatus for separating hydrocarbon from earth particles and sand
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DE4414701A1 (de) * 1994-04-27 1995-11-02 Arnold Grimm Reinigung kontaminierter Böden mittels Ultra-Schall-Systeme
DE4420210A1 (de) * 1994-06-09 1995-12-14 Donalies Michael Dipl Chem Verfahren und Vorrichtung zur Trennung von Feststoffen und hydrophoben Substanzen in Suspension mit Hilfe von Ultraschall-Flotation
WO1998051387A2 (fr) * 1997-05-16 1998-11-19 Scott Harold W Procedes et dispositif a ultrasons pour la separation de matieres dans un melange fluide
WO2002024302A2 (fr) * 2000-09-19 2002-03-28 Mccasland Edwin D Separation de materiaux ayant differentes gravites specifiques

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8268167B2 (en) 2006-02-07 2012-09-18 Safety-Kleen Europe Limited Separation apparatus and method
EP1815900A3 (fr) * 2006-02-07 2009-10-07 Safety-Kleen Europe Limited Dispositif de séparation et procédé
EP2514497A1 (fr) * 2006-02-07 2012-10-24 Safety-Kleen Europe Limited Ecumoir allongé inamovible pour être utilisé dans la séparation de substances immiscibles
US7677673B2 (en) 2006-09-26 2010-03-16 Hw Advanced Technologies, Inc. Stimulation and recovery of heavy hydrocarbon fluids
GB2469414B (en) * 2008-02-07 2011-12-21 Amcol International Corp Underwater processing of fluid streams
WO2009100012A1 (fr) * 2008-02-07 2009-08-13 Amcol International Corporation Traitement sous-marin de courants de fluide
GB2469414A (en) * 2008-02-07 2010-10-13 Amcol International Corp Underwater processing of fluid streams
RU2437702C1 (ru) * 2010-07-19 2011-12-27 Олег Савельевич Кочетов Песколовка
WO2012010990A1 (fr) * 2010-07-22 2012-01-26 Ecopetrol S.A. Dispositif dessableur de pétroles bruts
WO2012099344A3 (fr) * 2011-01-19 2012-09-13 한국과학기술원 Appareil pour la séparation et le stockage de fluide de puits sous-marin
KR101238629B1 (ko) 2011-01-19 2013-02-28 한국과학기술원 해저 유정유체 분리 및 저장장치
ITFI20120071A1 (it) * 2012-04-04 2013-10-05 Tea Sistemi S P A Apparato separatore per miscele gas-acqua-olio, e relativo processo di separazione
WO2013150473A1 (fr) * 2012-04-04 2013-10-10 Tea Sistemi S.P.A. Appareil de séparation pour des mélanges gaz-eau-pétrole et procédé de séparation
US9346688B2 (en) 2012-04-04 2016-05-24 Tea Sistemi S.P.A. Separator apparatus for gas-water-oil mixtures, and separation process
WO2015048106A3 (fr) * 2013-09-30 2015-09-11 Saudi Arabian Oil Company Appareil et procédé de production de pétrole et de gaz par effet de flottabilité
US9670754B2 (en) 2013-09-30 2017-06-06 Saudi Arabian Oil Company Apparatus and method for producing oil and gas using buoyancy effect
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