WO2011101228A2 - Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain - Google Patents

Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain Download PDF

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Publication number
WO2011101228A2
WO2011101228A2 PCT/EP2011/051280 EP2011051280W WO2011101228A2 WO 2011101228 A2 WO2011101228 A2 WO 2011101228A2 EP 2011051280 W EP2011051280 W EP 2011051280W WO 2011101228 A2 WO2011101228 A2 WO 2011101228A2
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
conductor
reservoir
guide
inductor
Prior art date
Application number
PCT/EP2011/051280
Other languages
German (de)
English (en)
Other versions
WO2011101228A3 (fr
Inventor
Norbert Huber
Dirk Diehl
Andreas Koch
Michael Koolman
Muris Torlak
Bernd Wacker
Original Assignee
Siemens Aktiengesellschaft
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 to BR112012020495A priority Critical patent/BR112012020495A2/pt
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP11702606A priority patent/EP2507471A2/fr
Priority to CA2790618A priority patent/CA2790618A1/fr
Publication of WO2011101228A2 publication Critical patent/WO2011101228A2/fr
Publication of WO2011101228A3 publication Critical patent/WO2011101228A3/fr

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Classifications

    • 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
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
    • 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/001—Cooling arrangements
    • 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/006—Combined heating and pumping means
    • 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
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2406—Steam assisted gravity drainage [SAGD]
    • E21B43/2408—SAGD in combination with other methods
    • 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
    • E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/03—Heating of hydrocarbons

Definitions

  • the invention relates to a plant for the in situ recovery of a carbonaceous substance from an underground deposit with reduction of its viscosity.
  • a device is used in particular for the promotion of
  • SAG steam assisted gravity drainage
  • water vapor which may be added to the solvent, is pressed under high pressure through a tube extending horizontally within the seam.
  • the heated, molten and detached from the sand or rock bitumen or heavy oil seeps to a second about 5 m deeper located pipe through which the promotion of the liquefied bitumen or
  • Production pipe is dependent on reservoir geometry.
  • the steam has to fulfill several tasks at the same time, namely the introduction of heating energy for
  • the SAGD process starts by introducing steam through both pipes, for example for three months, in order first to liquefy the bitumen in the space between the pipes as quickly as possible. Thereafter, the steam is introduced only through the upper tube and the promotion through the lower tube can begin.
  • Patent application DE 10 2007 036 832 AI described a device in which parallel inductor or electrode arrangements are present, which are connected above ground to an oscillator or inverter.
  • German patent applications In the older, German patent applications
  • resistive heating between two electrodes may additionally be carried out.
  • Induktorschreiben energized in various geometric configurations to heat the reservoir inductively. In this case, it is assumed within the reservoir of a constant distance of the inductors, resulting in homogeneous electrical
  • a variation of the heating power along the inductors can, as described in the earlier applications, be carried out specifically by sectionwise injection of electrolytes, whereby the impedance is changed. This sets accordingly
  • a device for conveying a hydrocarbon-containing substance, in particular bitumen or heavy oil is provided from a reservoir, wherein the
  • Reservoir with heat energy to reduce the viscosity of the substance can be acted upon, including at least one
  • Conductor loop for inductive energization as electrical / electromagnetic heating of the reservoir is provided, wherein a conductor - an inductor - the conductor loop in is surrounded at least a portion of a liquid guide.
  • no introduction of steam via the liquid guide is provided.
  • a combination may additionally be advantageous with the SAGD method, for example the cooling of the inductor according to the device according to the invention and the introduction of steam via a further tube or a further tube.
  • the section of the conductor means a section of the conductor. Assuming that the conductor is essentially a twisted cable encased in a tubular sheath, the portion of the conductor means a section along the length of the cable and sheath.
  • a conductor in particular a serial resonant circuit or a part thereof is understood, which is brought in a cable-like structure with external insulation. This is
  • the liquid guide is an extended hollow body - for example, a tube or a tube - to understand, can be transported through the liquid.
  • Liquid can be routed along the conductor and into the reservoir.
  • the following advantages may result: i) increasing the electrical conductivity in the reservoir by introducing liquid into the reservoir.
  • a problem with electromagnetic heating by induction of some deposits is that the electrical
  • Conductivity in the deposit may be relatively low, and therefore the resulting, in the deposit
  • thermal power may not be sufficient, or even high energy losses occur in the immediate vicinity of the deposit due to the large penetration depths of the magnetic fields.
  • according to the invention can be dispensed with an increase in the electrical input ⁇ power, whereby the profitability and environmental friendliness of the process would be significantly affected.
  • Substance e.g. of the oil, by introducing liquid into the reservoir.
  • the electrical conductivity ⁇ ness can be reduced in the immediate area around the conductor and thus reduce the geometry requires high heating power you ⁇ te right on the ladder. It is thus possible to achieve a more homogeneous heating power density in the reservoir.
  • the cooling is particularly advantageous for larger storage depths - about greater than 130 m - advantageous because otherwise it could lead to overheating of the inductor, for example, at temperatures of about 200 ° C or more.
  • a plastic insulation of the inductor could not permanently withstand such a high temperature. It should be noted here that the boiling point of water in the reservoir at a depth of 130 m or more can be around 200 ° C.
  • the heat of the conductor comprises heat due to ohmic losses in the conductor, but more importantly, the heat from the reservoir, which the conductor would receive from the reservoir without corresponding cooling from the environment, can be more significant.
  • the heat from the reservoir which the conductor would receive from the reservoir without corresponding cooling from the environment, can be more significant.
  • Pipe wall which in turn in contact with the reservoir is, advantageously, the tube wall heat
  • Liquid is guided in an outer tube.
  • the inventive idea is based essentially on a liquid guide with a closed liquid circuit in which cool liquid ⁇ speed along the conductor flows within the liquid guide is heated in the reservoir and again from the
  • the liquid is fed via the liquid guide into the reservoir and is distributed there in the ground to further effects - for example, the improvement of the conductivity in the
  • the liquid guide and the conductor may be arranged to each other such that a liquid in the liquid guide causes cooling of the conductor. It is irrelevant whether it is the conductor's own waste heat or whether it is heat acting on the conductor from the outside, from the reservoir heated by the current-carrying conductor.
  • the cooling effect can be enhanced by movement of the liquid, in particular along the conductor and with circulation or exchange of the liquid, since warm liquid is thereby conducted away and cool liquid can flow.
  • the liquid guide and the conductor may be arranged to each other such that a liquid in the liquid guide causes cooling of the conductor. It is irrelevant whether it is the conductor's own waste heat or whether it is heat acting on the conductor from the outside, from the reservoir heated by the current-carrying conductor.
  • the cooling effect can be enhanced by movement of the liquid, in particular along the conductor and with circulation or exchange of the liquid, since warm liquid is thereby conducted away and cool liquid can flow.
  • Liquid guide part of a substantially closed liquid circuit in which a means for tau ⁇ rule - in particular on the surface and not within the reservoir - is provided to one within the
  • Liquid guide heated liquid to cool again.
  • the re-cooling of the liquid can be effected by tubes which pass through colder region of the reservoir, i.
  • the liquid is not brought to the surface, but circulates only in the depth.
  • the liquid guide may be formed as a tube and / or tube, wherein the conductor is disposed within the tube or the tube, in particular so that when supplying a liquid, the conductor of the
  • the tube and / or the tube can be arranged approximately coaxially-centered to the conductor, wherein in particular at least one web within the tube or the tube for fixing or positioning of the conductor or for stabilizing the position of the conductor within the
  • Hose or the tube is provided. Along an axial direction of the hose / tube may be repeatedly provided webs to secure the position of the conductor.
  • a web can also have an axial extent, which even extends in a particular embodiment over the entire length of the hose / tube.
  • the conductor within the tube or the tube can also be arranged freely movable, ie the
  • Ladder is uncentered in the hose or pipe and means for fixing is omitted.
  • the liquid guide may be formed as a plurality of hoses and / or tubes.
  • a plurality of capillaries and / or a porous material may be provided to transport the liquid in the liquid guide.
  • These variants are preferably arranged such that the conductor is surrounded by the plurality of hoses and / or pipes and / or capillaries and / or the porous material, wherein preferably the plurality of hoses and / or pipes and / or
  • Capillaries and / or the porous material and the conductor are arranged within a common tubular outer shell.
  • liquids are all parallel to one another or twisted. These embodiments can be understood that the liquid does not flow around the head directly but hoses / pipes are attached to the outside of the head.
  • a conductor is composed of a multiplicity of partial conductors and these partial conductors can be arranged around the fluid guide.
  • the liquid guide in the form of the plurality of hoses and / or tubes may be formed such that at least one first tube and / or tube is provided, in which the liquid in opposite directions to a flow direction of the liquid ⁇ speed in one at least one second hose and / or pipe flows.
  • a closed circuit can be formed.
  • two bodies above ground liquid in the liquid guide are pumped from each of the two places only a subset of the available tubes or tubes are filled.
  • a homogeneous temperature along the conductor is achieved with a gegenläufi ⁇ gen cooling liquid guide.
  • thermally insulating means In an extension, between the liquid guide and the reservoir, in particular between the liquid guide and the outer shell, thermally insulating means
  • thermally insulating means is in particular designed as an air- or gas-filled or as a vacuum-enclosing cavity.
  • Thermal insulation from the liquid guide against the reservoir proves to be particularly advantageous, since in a suitable embodiment, the inductively introduced heating power is dissipated again only to the smallest possible proportion by the liquid cooling.
  • Pressure of a liquid or to circulate the liquid may be provided, in particular a pump, so that by means of the pressure increasing means, a movement of the liquid is achieved in the liquid guide. In this way, a cooling circuit can be operated.
  • thermosyphon - may be provided.
  • a reservoir for the liquid in addition to the liquid ⁇ management and the pump may be in particular a reservoir for the liquid, a heat exchanger and other devisirdi ⁇ cal or underground hydraulic connections.
  • the reservoir can be carried out either under atmospheric pressure or as a pressure vessel.
  • a pressure holder may be provided by means of which the liquid is kept at a higher pressure level as a coolant is circulated and under high pressure level, to avoid boiling at high power input.
  • the overall system has a return for the liquid to the surface.
  • Liquid guide has a perforation, so that upon supply of a liquid, the liquid from the liquid ⁇ keits Installation can penetrate into the reservoir, and the
  • Perforation in turn has holes that can be configured in shape and / or size and / or distribution such that when supplying a liquid under a predetermined pressure, the conductor over the entire length of the liquid ⁇ management surrounded portion of the conductor loop is sufficiently cooled.
  • liquid guide being sufficiently filled with liquid throughout the length and / or by the conductor
  • predetermined perforation is adjusted so that leakage of the liquid through the perforation over a longer period of application is guaranteed.
  • liquid conducted through the liquid guide system thermally insulates an environment in the reservoir and / or that the conductor is cooled by the liquid conducted through the liquid guide.
  • a liquid for cooling water may be provided, in particular desalted and / or decalcified and / or mixed with an agent acting as antifreeze - eg glycol -.
  • salt water, oil, emulsions or solutions may be provided.
  • the basic form for the liquid may preferably be an extracted liquid which can be precipitated from the desired delivery material conveyed from the reservoir.
  • the liquid guide may be perforated, so that when supplying a liquid, the liquid from the liquid guide penetrates through the perforation in the reservoir or
  • Holes or slits which are located in a liquid ⁇ guide, so that liquid can escape from the interior of the liquid guide to the outside in the vicinity of the holes or slots.
  • the fluid guide consists at least partially of porous material or capillaries, so that the fluid can be released by these means to the environment.
  • the introduction of the liquid into the reservoir can thereby increase the electrical conductivity of the reservoir and / or increase the pressure in the reservoir.
  • a pressure booster for a pressure booster for a pressure booster
  • Increasing the pressure of a liquid or to circulate the liquid may be provided, in particular a pump, so that by means of the pressure increasing means, a liquid with increased pressure can be introduced into the liquid guide.
  • a liquid with increased pressure can be introduced into the liquid guide.
  • so much pressure is to be generated by the pump that a predetermined amount of liquid penetrates into the reservoir via the perforation.
  • elevated pressure is meant that an ambient pressure in the reservoir should be overcome.
  • the hydrostatic pressure in the reservoir in the vicinity of the perforation should be exceeded so that the liquid can escape, for example, with a pressure of 10 000 hPa (10 bar).
  • the perforation can be designed in such a way and / or means can be provided that an intrusion of solids and / or sands from the reservoir in the Is substantially prevented.
  • Such agents are known to ⁇ play, under the term "Gravel Pack".
  • Perforation has holes that can be configured in shape and / or size and / or distribution such that when a liquid is supplied under predetermined pressure, the liquid distributed over a length of the liquid guide through the perforation in an environment of the conductor loop in the reservoir, so that the electrical conductivity of the reservoir changes and / or the pressure in the reservoir is increased.
  • the liquid can be controlled so that the electrical conductivity within the reservoir in its embedding is predominantly increased and / or that the electrical conductivity in the reservoir in the immediate vicinity of the conductor is lowered.
  • the perforation should be designed such that the entire length of the liquid guide - apart from the supply from the surface to the target region in
  • the increase of the pressure in the reservoir is in particular
  • Perforation is adjusted so that leakage of the liquid through the perforation over a longer period of application is guaranteed.
  • water or an organic or inorganic solution as the electrolyte is suitable as the liquid to be supplied.
  • the liquid may preferably have at least one of the following constituents: salts, weak acids, weak bases, CO 2 , or solvents which in particular contain alkanes, for example methane, propane, butane.
  • a valve of a production tubing for discharging the liquefied hydrocarbonaceous substance from the reservoir can be closed and at a later time, depending on the
  • liquid guide in the presence of a perforation in the liquid guide a closing of the liquid circuit is not necessary. It can ⁇ loop two separate liquid guides may be provided, each for one half of the conductor loop, forming the two fluid guides in the reservoir, without the liquid would Retired ⁇ pumped back to the surface, for example for the conductors.
  • Liquid that is fed into the reservoir in liquid form is particularly advantageous ⁇ way, when the liquid is extracted at least partially or even completely removed from the produced water oil / bitumen mixture.
  • the desired substance to be conveyed should be separated from the extracted water-oil / bitumen mixture and the aqueous residue be post-processed or treated.
  • this can be done in a much simpler way compared to the injection of water vapor.
  • oil and / or gas separation from the liquid can first take place. What remains is a residual liquid - also known as produced water - which also contains oil components, suspended particles and sands and a large number of chemical elements or compounds. On a removal of the remaining oil content or even of many chemical elements can now
  • a desalting of the residual liquid can be provided after desanding, so that there is no excessively high salt concentration in the reservoir by continuously introducing the treated residual liquid.
  • Heat exchanger may be provided to bring the treated residual liquid to a higher temperature to prevent unwanted cooling of the reservoir, resulting in a pressure drop or an increase in viscosity.
  • 1 shows a device with a cooling of a
  • Figure 2 is a perspective view of a
  • FIGS 3, 4, 5, 6 are cross sections of different inductors with liquid management
  • FIG. 7 shows a perforated fluid guide
  • FIG. 8 shows a device for injecting a
  • Figure 9 shows a device for processing
  • Figure 1 shows, schematically illustrated, an apparatus for in-situ recovery of a hydrocarbonaceous substance from an underground reservoir 6 as a reservoir while reducing its viscosity, wherein a cooling of
  • Inductors 10 is provided. Such a device may be, for example, an apparatus for recovering bitumen from an oil sands deposit.
  • a device may be, for example, an apparatus for recovering bitumen from an oil sands deposit.
  • Deposit 6 may in particular be an oil sands deposit or an oil shale occurrence, from which
  • Bitumen or other heavy oils can be obtained.
  • a tube 9 for introducing steam is shown, which is arranged substantially between parallel sections of an inductor 10 within the reservoir 6 and which is fed via a steam generator 8.
  • a steam generator 8 By means distributed over the length of the tube arranged nozzles - not shown - the steam is pressed into the reservoir 6.
  • the apparatus for in situ recovery of a hydrocarbonaceous substance further comprises an inductor 10 extending into wells within the reservoir 6.
  • the inductor 10 or portions thereof are to be considered as the inventive conductor. It will be a closed
  • Conductor loop formed consisting of the two horizontally extending in the reservoir 6 back and forth conductors of the inductor 10, as well as conductor pieces 11 which act little or no heating and run above ground or from the earth's surface 5 into the deposit 6 lead to to ensure the power connection for the inductor 10.
  • both loop ends of the conductor loop are arranged above ground.
  • the loop is simply closed by - see ladder 11 in the figure.
  • an electrical supply 1 including all the necessary electrical equipment such as inverter and generator, through which the necessary power and the necessary voltage is applied to the conductor loop, so that the inductors 10 as a conductor for an electrical / electromagnetic heater for mixer ⁇ generation serve in the site 6.
  • the inductors 10 are opposite at least parts of
  • the conductor loop can be used in areas where this
  • Heating power can be greatly reduced. In this way, the heating power can be introduced in defined areas of the deposit 6.
  • the inductor 10 may be
  • a cooling circuit is provided to cool the inductor 10.
  • the refrigeration cycle comprises a liquid guide 12 which, according to the figure, almost nearly equips the conductor loop along its length
  • Induktor 10 passed liquid through a second liquid guide 12 along a second portion of the Inductor 10 is returned.
  • the components to provide the liquid are above ground, the components to provide the liquid. These are a reservoir 3, in which the liquid 14 is located for cooling.
  • a pump 2 is provided to pump the liquid 14 into the cooling circuit and to ensure a flow rate.
  • a recooler 4 is provided, through which the heated cooling liquid can be cooled down.
  • the liquid guide 12 is formed in the figure as a coaxial sheathing to the inductor 10, so that the inductor 10 - or a sheath of the inductor 10 - is surrounded as completely as possible during operation of a cooling liquid.
  • the device may be operated such that when current is applied to the inductor 10, which heats the vicinity of the inductor 10 in the reservoir 6, a cooling fluid is always conducted through the fluid guide 12 along the inductor 10.
  • the inductor 10 heats the bottom in the vicinity of the inductor 10, whereby the heated floor itself becomes the thermal radiator.
  • the inductor 10 is to be protected from elevated temperatures. This is done by the cooling liquid in the liquid guide 12 in the form of the described external cooling of the inductor 10, whereby
  • the temperature absorbed by the inductor 10 is dissipated again, so that the inductor 10 does not heat or at least only slightly or to a lesser extent.
  • the liquid guide 12 may be additionally sheathed by a thermal insulator. In this way, in particular boiling of water directly on the inductor 10 in the reservoir 6 can be prevented, which in turn would have a negative impact on an uncooled protective sheath of the inductor 10, since the protective sheath for electrical insulation of the inductor 10 is provided and usually made of plastic, but a permanent increase in temperature could attack the plastic.
  • the inductor 10 is integrated with the liquid guide 12 and may be laid as a unit.
  • FIG. 2 schematically illustrates a section of an inductor 10 with surrounding cooling in a perspective illustration.
  • An inductor 10 centered in a tubular jacket 15 of the liquid guide 12 is surrounded by a liquid guide 12.
  • the positioning of the inductor 10 may for example be determined solely by the flowing liquid in the liquid guide 12. On a centering is omitted according to Figure 2.
  • the inductor 10 is accordingly largely free to move in the liquid guide 12 and could e.g. also due to the weight coming from the inside to lie on the liquid jacket.
  • the diameter of the inductor 10 may preferably be 30 to 100 mm.
  • the gap width of the inductor 10 will be preferential ⁇ , 5 mm to 50 mm and the mass flow of
  • Cooling medium within the liquid guide 12 preferably 5 to 100 1 / min.
  • FIG. 1 The cross section is taken along a sectional surface, as indicated in Figure 1 by A-A.
  • a support of the inductor 10 by, for example, star-shaped spacers - webs 16 -, preferably 2 to 5 spacers are used.
  • the webs 16 are preferably attached to the inner wall of the shell 15 and are connected in the center via stabilizers 17 or attached directly to the outer shell of the inductor 10.
  • the inductor 10 is located coaxially in the center of the casing 15 of the liquid guide 12 and is either laid as a unit with the casing 15 and the webs 16 or is subsequently retracted.
  • the liquid guide 12 results from the cavities within the casing 15.
  • the width of the webs 16 may for example be in the range 5-30 mm, so that the pressure losses of the cooling medium in the liquid ⁇ guide 12 are not too large.
  • a thermal insulator 18 between the tubes / tubes and the outer shell 20 may additionally be used. In this sense is also to be understood, if these spaces remain empty, ie air or a specific gas or a vacuum serve as thermal insulation.
  • the thickness of a thermal insulation ⁇ layer can be selected between 3 and 50 mm.
  • the hose or pipe diameter of the liquid guide 12 can be between 10 and 100 mm and the
  • Mass flow of the cooling medium can be between 5 and 100 1 / min.
  • the inductor 10 may for example consist of 10 to 2000 partial conductors whose total cross-sectional area
  • FIG. 7 shows in schematic form a portion of an inductor 10 is illustrated with a surrounding cooling in a perspective view, wherein a liquid guide is formed ⁇ perforated 12 so that liquid can escape, whereby the liquid actually
  • liquid form or possibly as a gas, so e.g. Steam.
  • an inductor 10 which is centered in a hose-shaped sheath 15, is surrounded by a liquid guide 12.
  • the liquid guide 12 and the casing 15 includes a perforation 12 consisting of a plurality of holes and passages through which the liquid transported from the inside to the outside can penetrate. The size, position and frequency of the holes should be adapted to the desired conditions and by the
  • FIG. 7 Representation in FIG. 7 is not intended to be restrictive to interpre ⁇ tion, in particular so that, for example, 30 to 300 1 / min over the entire length of the liquid guide 12 can escape.
  • the holes of the perforation 21 can be arranged symmetrically on the entire circumference of the sheath 15. However, it could also be advantageous to provide an uneven distribution. Also over the length of the liquid guide 12, the distribution and / or the configuration of the holes may change, in particular because the pressure within the liquid guide 12 may change due to the exiting liquid. An escaping liquid into the reservoir 6 in the vicinity of the inductor 10 has an advantage in that thereby in this way an electrolyte in the
  • Reservoir can be injected, which on the one hand can increase the electrical conductivity in the reservoir 6 and on the other hand, an increased pressure within the
  • Figure 8 corresponds basically to the structure of Figure 1. There is a conductor loop, which is operated by an electrical supply 1. Sections as
  • Acting electrode are highlighted as inductor 10. These are the horizontal and parallel in the deposit 6
  • Liquid system introduced that consists of the liquid inlet 13 and the liquid guide 12.
  • the liquid guide 12 is again intended to denote the sections extending horizontally and parallel in the deposit 6.
  • the liquid introduction 13 includes the
  • the feed takes place in the present example, in contrast to Figure 1 from the left on the drawing plane, but also a supply from the right, as in Figure 1 would be conceivable.
  • the essential difference from FIG. 1, however, is that in the horizontal subterranean section, the liquid guide 12 has a perforation 21, through which an emerging one Liquid 22 is indicated by arrows.
  • the liquid guide 12 already ends underground. For this purpose, a termination 23 of the liquid ⁇ guide 12 is provided, this conclusion may also have a perforation.
  • liquid guide 12 is returned to the surface for a remaining liquid residue.
  • liquid guide 12 to the
  • the liquid guide 12 would thus be liquidless in the last section.
  • liquid is introduced into the cooling system by means of a pump 2 or similar device.
  • the pressure remains essentially unchanged until the liquid guide 12, since no liquid outlet is provided until the beginning of the liquid guide 12.
  • a portion of the liquid is introduced through the perforation 21 in the reservoir. 6
  • Another part of the liquid continues to flow along the
  • Liquid guide 12 wherein liquid is always discharged through the perforation 21. This results in a
  • the liquid flows along the inductor 10 and can dissipate heat.
  • liquid flows into the reservoir 6, in the vicinity of the inductors 10, whereby the pressure in the reservoir 6 can be increased or a decreasing pressure due to the transport of the hydrocarbonaceous substance
  • Liquid applied through the pump 2 should be pressure
  • the pressure should be higher than the pressure of the Hydrosta ⁇ diagram corresponding water column and is, for example (10 bar) in the range between 10000 to 50000 hPa hPa (50 bar).
  • Pressure relief in the reservoir 6 is made by opening the production pipe (not shown) at a time when the pressure on an overburden above the reservoir 6 becomes too high.
  • Suitable electrolytes, displacers or solvents are, in particular, organic or inorganic liquids or gases modified in the state of matter, or combinations thereof.
  • Liquid 22 applicable.
  • the inductor 10 can be located in a perforated injector tube or tube, in which centering of the inductor 10 is dispensed with.
  • the diameter of the inductor 10 will preferably be 30 to 100 mm.
  • the annular gap width will preferably be 5 mm to 50 mm and the mass flow of the cooling medium preferably 30 to 300 1 / min.
  • the inductor 10 is located in a perforated Injektorrohr or hose, wherein a support of the inductor 10 is carried out by star-shaped spacers.
  • the diameter of the inductor 10 will preferably be 30 to 100 mm.
  • the annular gap width will preferably be 5 mm to 50 mm and the mass flow of the cooling medium preferably 30 to 300 1 / min.
  • one or more perforated injector tubes or hoses are attached to the inductor 10.
  • the direct contact of the inductor 10 to the reservoir is intended hen. The lack of contact may even be advantageous as the heat transfer from the surrounding hot reservoir back to the inductor 10 is reduced.
  • the diameter of the inductor 10 will preferably be 30 to 100 mm.
  • the diameter of the adjacent tubes preferably be 5 mm to 50 mm and the mass flow of the cooling medium preferably 30 to 300 1 / min.
  • the device in contrast to FIG. 8, in a further design variant, can be designed so that only partial regions of the inductor 10 lie in an injector tube or tube. Furthermore, the exit holes of the perforation 21 may be distributed unevenly or even be present sections in which no perforation 21 is present. Concerning .
  • the aforementioned embodiments should be mentioned again that primarily no supply of steam is provided which is generated above ground, but a supply of liquids. Also, an additional feed of steam is preferably omitted.
  • FIG. 9 schematically shows a sectional view of a deposit 6, wherein the deposit 6 is arranged below the earth's surface 5 and has an area 7 with oil deposits.
  • a conductor loop is provided, wherein in FIG. 9 only one inductor 10 of the conductor loop is shown.
  • the inductor 10 is at least partially encased by a liquid guide 12.
  • the conductor loop is operated by an electrical supply 1, as in the preceding embodiments.
  • FIG. 1 and 8 not shown - is a production pipe 39 for transporting the substance to be conveyed in
  • a production stream 30 in the form of a liquid-solid-gas mixture - i. a phase mixture - be transported to the surface of the earth 5 for processing.
  • the substance to be delivered is separated from the liquid-solid-gas mixture by means of an oil / gas separator.
  • a resulting separated oil 32 is indicated in the figure as an arrow, as well as an alternatively or additionally resulting separated gas 33.
  • Deposit 6 can be injected in liquid form.
  • the residual liquid 34 is supplied to a desanding device 35, in which sands and other solids are separated off. After this treatment step, a sanded residual liquid 36 remains.
  • a further treatment step takes place.
  • the degritted residual liquid 36 is supplied to a Entsalzungseinrich ⁇ tung 37 through which the salt content of the degritted residual liquid is reduced 36th This can be achieved by adding specific chemicals.
  • Desalting means 37 ideally achieve a salinity in the resulting conditioned liquid 38 which corresponds to a natural salinity within the deposit 6.
  • the treatment can thus be limited to desanding and desalination.
  • Cooling circuit according to Figure 1 or the liquid injection of Figure 8 are supplied. A further alternative variant is explained below with reference to FIG.
  • the treated liquid 38 is fed to a pump 2 and pressed under pressure into the liquid inlet 13, which later into the liquid guide 12
  • Darge ⁇ represents, in which the inductor 10 over sections existing webs 16 is fixed within the liquid guide or - introduction.
  • the conditioned liquid 38 is thus introduced along the inductor 10 within the liquid inlet 13 and the liquid guide 12 within a hose or tube to a depth of the reservoir 6.
  • the liquid guide is slit 12 is formed so that the liquid ⁇ ness 38 penetrates through the slots 40 from the liquid guide 12 in the ground.
  • the length of the liquid guide 12 is limited and ends, while the inductor 10 on
  • the liquid guide 12 may be present along the substantially entire active length of the inductor 10, as in FIG. 8, to ensure a more extensive distribution of the liquid to be injected.
  • Water treatment is required as in the steam-based method, since the injection water does not have to be evaporated above ground.
  • the injection can advantageously also via continuous heat exchanger - not shown in Figure 9 - heated water can be used to unwanted cooling of the
  • the device with respect to temperature and thus pressure control in the reservoir is easy to control.

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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)
  • Electromagnetism (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

L'invention concerne un dispositif et un procédé de transport d'une substance hydrocarbonée, notamment de bitume ou de pétrole extra-lourd, issue d'un réservoir (6), ledit réservoir (6) pouvant être alimenté en énergie thermique afin de réduire la viscosité de ladite substance, au moins une boucle conductrice (10, 11) destinée à l'alimentation en courant inductif étant prévue à cet effet en tant que chauffage électrique/électromagnétique, au moins une section d'un conducteur (10) de la boucle conductrice (10, 11) étant entouré d'un conduit de liquide (12).
PCT/EP2011/051280 2010-02-22 2011-01-31 Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain WO2011101228A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112012020495A BR112012020495A2 (pt) 2010-02-22 2011-01-30 dispositivo e método para obter, especialmente in situ, uma substância carbonácea de um depósito subterrâneo
EP11702606A EP2507471A2 (fr) 2010-02-22 2011-01-31 Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain
CA2790618A CA2790618A1 (fr) 2010-02-22 2011-01-31 Dispositif et procede d'extraction, notamment d'extraction in-situ, d'une substance carbonee situee dans un gisement souterrain

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010008776A DE102010008776A1 (de) 2010-02-22 2010-02-22 Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte
DE102010008776.9 2010-02-22

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WO2011101228A2 true WO2011101228A2 (fr) 2011-08-25
WO2011101228A3 WO2011101228A3 (fr) 2012-04-05

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BR (1) BR112012020495A2 (fr)
CA (1) CA2790618A1 (fr)
DE (1) DE102010008776A1 (fr)
WO (1) WO2011101228A2 (fr)

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DE102010023542B4 (de) * 2010-02-22 2012-05-24 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte
EP2734009A1 (fr) * 2012-11-15 2014-05-21 Siemens Aktiengesellschaft Dispositif à induction pour le réchauffement d'un réservoir d'huile, notamment d'un réservoir d'huile lourde
US9474108B2 (en) * 2013-09-09 2016-10-18 Harris Corporation Hydrocarbon resource processing apparatus for generating a turbulent flow of cooling liquid and related methods

Citations (2)

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DE102007008292A1 (de) 2007-02-16 2008-08-21 Siemens Ag Vorrichtung und Verfahren zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz unter Herabsetzung deren Viskosität aus einer unterirdischen Lagerstätte
DE102007036832A1 (de) 2007-08-03 2009-02-05 Siemens Ag Vorrichtung zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz

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US6179269B1 (en) * 1998-08-21 2001-01-30 Camco International, Inc. Method and apparatus for installing a cable into coiled tubing
CA2304938C (fr) * 1999-08-31 2008-02-12 Suncor Energy Inc. Procede d'extraction ameliore, dans les puits inclines, pour la recuperation d'huile lourde et de bitume au moyen de chaleur et de solvants
DE202007006682U1 (de) * 2007-05-07 2007-08-16 Gerodur Mpm Kunststoffverarbeitung Gmbh & Co. Kg Erdwärmesonde
DE102008062326A1 (de) * 2008-03-06 2009-09-17 Siemens Aktiengesellschaft Anordnung zur induktiven Heizung von Ölsand- und Schwerstöllagerstätten mittels stromführender Leiter

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DE102007008292A1 (de) 2007-02-16 2008-08-21 Siemens Ag Vorrichtung und Verfahren zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz unter Herabsetzung deren Viskosität aus einer unterirdischen Lagerstätte
DE102007036832A1 (de) 2007-08-03 2009-02-05 Siemens Ag Vorrichtung zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz

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CA2790618A1 (fr) 2011-08-25
EP2507471A2 (fr) 2012-10-10
BR112012020495A2 (pt) 2016-05-17
WO2011101228A3 (fr) 2012-04-05
DE102010008776A1 (de) 2011-08-25

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