EP2507470A2 - Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée dans un gisement souterrain - Google Patents

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

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Publication number
EP2507470A2
EP2507470A2 EP10787342A EP10787342A EP2507470A2 EP 2507470 A2 EP2507470 A2 EP 2507470A2 EP 10787342 A EP10787342 A EP 10787342A EP 10787342 A EP10787342 A EP 10787342A EP 2507470 A2 EP2507470 A2 EP 2507470A2
Authority
EP
European Patent Office
Prior art keywords
liquid
reservoir
conductor
pressure
guide
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.)
Withdrawn
Application number
EP10787342A
Other languages
German (de)
English (en)
Inventor
Michael Koolman
Claudio Ranaudo
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2507470A2 publication Critical patent/EP2507470A2/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
    • 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
    • E21B43/40—Separation associated with re-injection of separated materials

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 extraction of bitumen or heavy oil from a reservoir under an overburden, as is the case with oil shale and / or oil sand deposits, for example in Canada.
  • oil shale and / or oil sand deposits for example in Canada.
  • the increase in fluidity can be done firstly by introducing solvents or diluents and / or on the other by heating or melting of the heavy oil or bitumen, for which by means of pipe systems, which are introduced through holes, heating takes place.
  • the most widely used and applied in-situ method for the extraction of bitumen or heavy oil is the
  • 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 si ⁇ ckert to a second about 5 m deeper located pipe through which the promotion of the liquefied bitumen or heavy oil, wherein the distance from the injector and 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 liquid, the detachment from the sand and the pressure buildup in the re ⁇ reservoir, on the one hand to make the reservoir geomechanically permeable for bitumen transport (permeability) and on the other ⁇ hand to promote the bitumen without additional pumps.
  • the SAGD method starts by steam is introduced for example, three Mo ⁇ nate through both tubes in order as quickly as possible to liquefy the bitumen in the first space between the tubes. Thereafter, the steam is introduced only through the upper tube and the promotion through the lower tube can begin.
  • SAGD method can be completed with an inductive heating device.
  • German patent application DE 10 2007 036 832 AI describes a device in which parallel inductor or electrode arrangements are present, which are connected above ground to a converter.
  • Inductor pairs of forward and return conductors or groups of inductor pairs in different geometric configurations are energized to inductively heat the reservoir.
  • a constant distance of the inductors is assumed within the reservoir, which, given a homogeneous electrical conductivity distribution, leads to a constant heating power along the inductors. Described are the spatially close together led out and return conductors in the sections, in where the overburden is pierced to minimize losses.
  • 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 by appropriately electric ⁇ lytinjetechnischsvortechnischen whose installation can be complicated or expensive.
  • a device for conveying a hydrocarbon-containing substance, in particular bitumen or heavy oil, 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 Reservoirs is provided, wherein a pressure increasing means, in particular a pump, is provided for injecting a liquid into the reservoir in liquid form, wherein a treatment device, the liquid to be injected from a withdrawn from the reservoir reservoir fluid or from one of the reservoir Re ⁇ Medium, e.g. As salines water, groundwater, water-oil mixture, in each case in particular including ⁇ enriched solids such as loam, lime, sand, extracted
  • the treatment device is provided, in particular, for the purpose of sparing a pump which is being used, and of preventing the introduction of the liquid to be injected. Blockages or blockages occur - especially from holes and slits in an injection tube.
  • the supply of liquid - in liquid form and not as vapor - via a liquid guide wherein a conductor - an inductor - the conductor loop is surrounded in at least a portion of a liquid guide.
  • inductive energization is in particular the application of a voltage / current source to the conductor loop to verste ⁇ hen, whereby an inductive power supply is made possible in the reservoir.
  • the pressure increasing means is arranged to introduce the liquid at elevated pressure in the liquid guide.
  • the extraction of the liquid from the reservoir liquid or the medium takes place in particular by chemical and / or mechanical and / or thermal treatment of the reservoir liquid or the medium.
  • the Aufbe ⁇ preparation device - as a final list - only an oil / gas separation device, a Entsandung- and a desalination, in particular only an oil / gas separation device and a sanding device. These devices are preferably connected in series one behind the other.
  • the invention relates to the introduction of a liquid in liquid form, wherein the liquid does not have to be supplied completely from the outside but in a largely closed circuit is extracted from the reservoir itself.
  • 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 erfin ⁇ tion surrounded by a liquid guide.
  • the liquid guide is an extended hollow body - for example, a tube or a tube - to understand, can be transported through the liquid.
  • a liquid By providing a liquid guide, a liquid can be passed 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 means of induction of some deposits is that the electrical conductivity in the deposit is relatively low can, and thus the resulting, introduced into the deposit ⁇ brought thermal power may not be sufficient, or even high energy losses in the immediate vicinity of the deposit due to the large penetration depths of the magnetic fields arise.
  • 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.
  • the environment of the conductor can be cooled, so that no boiling water in the reservoir comes into direct contact with the conductor or its sheath, but it should be noted that in principle a boiling of water in the reservoir voir is advantageous, for example, to achieve a displacement of oil.
  • the electrical conductivity in the immediate vicinity of the conductor can be reduced and thus the geometry-related high heating power density can be reduced directly at the conductor. 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.
  • 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 firstly heat due ohm ⁇ shear losses in the conductor, however, essential heat from the reservoir may be that would accommodate without cooling from the environment from the reservoir of the ladder.
  • the heat pipe wall is advantageously dissipated.
  • More Joule losses in the conductors can be discharged via the outer, in contact with the fluid isolation of the Lei ⁇ ters to the liquid, the liquid ⁇ ness is guided in an outer pipe.
  • 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 may be part of a substantially closed fluid circuit in which a means for sautau ⁇ rule - is provided to cool a heated within the flues ⁇ stechniks Insert liquid again - especially at the surface and not within the reservoir.
  • a means for sautau ⁇ rule - is provided to cool a heated within the flues ⁇ stechniks Insert liquid again - especially at the surface and not within the reservoir.
  • the re-cooling of the liquid can be effected by tubes which lead through colder region of the reservoir, ie the liquid is not brought to the surface, but circulates only at depth. In this case, it is preferable to install a pump at depth. It is advantageous that the electrically introduced heating power is not withdrawn from the reservoir, but only distributed differently.
  • the liquid guide can be formed as a hose and / or pipe, wherein the conductor is arranged inside the hose or the pipe, in particular so that when liquid is supplied the conductor is surrounded by the liquid.
  • the conductor is arranged inside the hose or the pipe, in particular so that when liquid is supplied the conductor is surrounded by the liquid.
  • the tube and / or the tube can be arranged approximately coaxially-centered to the conductor, in particular ⁇ at least one web within the tube or the tube for fixing or positioning of the conductor or to stabilize the position of the conductor is provided within the tube or pipe.
  • a web can also have an axial extent, even in a particular embodiment over the entire length of the
  • Hose / tube extends.
  • the conductor within the tube or the tube can also be arranged freely movable, ie, the Lei ⁇ ter is uncentered in the tube or in the tube 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 multiplicity of hoses and / or pipes and / or capillaries and / or the porous material, preferably the plurality of hoses and / or pipes and / or capillaries and / or or the porous material and the conductor are arranged within ei ⁇ ner common tubular outer shell.
  • the liquid does not flow around the conductor directly, but Schläu ⁇ che / pipes are externally mounted to 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 in one at least one second hose and / or pipe flows. In this way, for example, a closed circuit can be formed.
  • two points above ground liquid could be pumped into the liquid guide, from each of the two places only a subset of the available hoses or tubes are filled.
  • a homogeneous temperature along the conductor is achieved with a gegenläufi ⁇ gen cooling liquid guide.
  • thermally insulating means may be between the liquid guide and the reservoir, in particular between the fluid guide and the outer shell, to be attached ⁇ arranged, wherein the thermally insulating means insbeson ⁇ particular as an air- or gas-filled or enclosing as a vacuum cavity is formed ,
  • the thermal ⁇ Iso lation of the liquid guiding against the reservoir proves to be particularly advantageous, since thereby the heating power is inductively introduced sottiskühlung only a small proportion as possible through the liquid-discharged again in a suitable configuration.
  • Pressure of a liquid or to circulate the liquid 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.
  • a natural circulation optionally with boiling process - for example thermosyphon - may be provided.
  • Other elements of the overall system 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 maintained as a coolant at a higher pressure level and circulates under high pressure level to avoid boiling with high power input.
  • the overall system has a return for the liquid to the surface.
  • the invention is particularly advantageous when the liquid ⁇ keits arrangement has a perforation, so that when a liquid is supplied, the liquid from the liquid guide can penetrate into the reservoir, and the perforation in turn has holes that in shape and / or size and / or distribution can be configured such that when supplying a liquid under a predetermined pressure, the conductor over the entire length of the area surrounded by the liquid guide portion of the conductor loop is sufficiently cooled.
  • liquid guide being sufficiently filled with liquid throughout the length and / or liquid heated by the conductor being led away from the liquid guide through the holes.
  • a required add a small amount of cooling liquid through the liquid guide.
  • the above-mentioned effect is obtained preferably when the is so adapted to the applied via the feed pressure on the liquid ⁇ speed in the liquid guide at a predetermined perforation that leakage of the liquid ⁇ ness is ensured through the perforation over a longer period of application.
  • a liquid conducted through the liquid guide thermally insulates an environment in the reservoir and / or that the conductor is cooled by the liquid conducted through the liquid guide.
  • Water may be provided as liquid for cooling, in particular desalted and / or descaled and / or mixed with an antifreeze agent - e.g. Glycol.
  • an antifreeze agent e.g. 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 deposited from the desired delivery material conveyed from the reservoir.
  • the liquid guide may be perforated, so that when a liquid is supplied, the liquid from the liquid guide penetrates or is introduced through the perforation into the reservoir.
  • perforation for example, holes or slots are meant, which are located in a liquid guide so that liquid from the interior of the liquid ⁇ keits Installation can escape to the outside in the vicinity of the holes or slots.
  • the liquid guide ⁇ is at least partly made of porous material or capillaries be such that the liquid can be discharged through this order ⁇ ssen means to.
  • a pressure increasing means may be provided for raised stabili ⁇ hen the pressure of a fluid or for circulating the fluid, in particular a pump, so that by means of the pressure increasing means is a liquid having ER- elevated 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). up to 50000 hPa (50 bar) can be achieved.
  • the perforation can be designed in such a way and / or means can be provided that the penetration of solids and / or sands from the reservoir is substantially prevented.
  • Such agents are known, for example, by the term "Gravel Pack".
  • the invention is particularly advantageous if the Perfora ⁇ tion has holes that can be configured in shape and / or size and / or distribution such that at Zumoni ⁇ tion of a liquid under a given pressure, the liquid is distributed over a length of the fluid guide by the Perforation is discharged into an environment of the conductor loop in the reservoir, so that the electrical conductivity of the reservoir changed and / or the pressure in the reservoir is increased.
  • the liquid can be controlled so that the electrical conductivity within the Re ⁇ servoir is increased substantially in its Wareckung and / or that the electrical conductivity is lowered in the immediate vicinity of the conductor in the reservoir.
  • 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 reservoir - delivered in each section the same amount of liquid.
  • Increasing the pressure in the reservoir is ⁇ geous, as that is better characterized displaced in the reservoir, the hydrocarbon-containing sub ⁇ substance and / or a negative pressure in the reservoir in particular before - due to the promotion of the substance - is avoided.
  • the liquid may preferably have at least one of the fol- constricting ingredients: salts, weak acids, schwa ⁇ che bases, CO 2, polymers or solvents, in particular alkanes such as methane, propane, butane included.
  • a valve of a delivery pipe for carrying away the liquefied kohlenwas ⁇ serstoff Hän substance can be concluded from the reservoir and be opened at a later date, dependent on reaching a predetermined period of time or the achievement of a predetermined pressure within the reservoir.
  • Solar with can be increased during the period of pressure, because there is no material leaves the reservoir and additional liquid ⁇ ness is initiated.
  • the composition flues ⁇ stechnik can have, which is fed into the reservoir in liquid form.
  • the liquid is extracted at least partially, or completeness, ⁇ dig out 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. However, this can be done in a much simpler way compared to the injection of water vapor.
  • 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.
  • the viscosity within the reservoir can be reduced, i. the flow properties of bitumen can be improved. In addition, there is an increase in the stability of the reservoir.
  • a heat exchanger can also be provided in order to bring the treated residual liquid to a higher temperature in order to prevent undesired cooling of the reservoir, with the result of a pressure drop or an increase in viscosity.
  • FIG. 1 shows a device with a cooling of an inductor
  • Figure 2 is a perspective view of a ge ⁇ cooled inductor
  • 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 liquid into the reservoir
  • FIG. 9 shows a device for processing and injecting a funded production flow.
  • FIG. 1 shows, schematically illustrated, an apparatus for in situ recovery of a hydrocarbonaceous substance from an underground deposit 6 as a reservoir with reduction of its viscosity, cooling of inductors 10 being provided.
  • a device may be, for example, an apparatus for recovering bitumen from an oil sands deposit.
  • the deposit 6 may be, in particular, an oil sands deposit or an oil shale occurrence from which bitumen or other heavy oils may be recovered.
  • 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. Means the length of the pipe arranged distributed nozzles - not Darge ⁇ represents - the steam is pressed into the reservoir. 6
  • a production tubing through which collected the extracted from the reservoir 6 substance and promotes ge to a surface 5 from the reservoir 6 ⁇ out.
  • 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 considered to be the inventive conductor. It forms a closed Lei ⁇ terschleife consisting of the two horizontally in the La- gerst 6 running outgoing and return conductors of the inductor 10, as well as conductor pieces 11 which act little or no heating and run above ground or lead from the earth's surface 5 into the deposit 6 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 necessary electrical equipment such as inverter and generator, through which the necessary current and the necessary voltage is applied to the conductor loop, so that the inductors 10 as a conductor for an electric / electromagnetic heater for heat generation serve in the site 6.
  • the inductors 10 are effective against at least parts of the deposit 6 as an inductive electric heater. Due to the conductivity of at least parts of the deposit 6, this can be heated by the largely concentric around the two as possible parallel sections of the inductor 10.
  • the conductor loop can be used in areas where these extend outside the actual deposit 6 - will be greatly reduced by means of suitable guide in its Schuleis ⁇ tung - the Lei ⁇ ters-pieces 11 as. In this way, the heating ⁇ power can be introduced in defined areas of the deposit 6.
  • the inductor 10 may be in particular rod-shaped metallic conductor or twisted metalli ⁇ specific cable from a particular well conductive metal han ⁇ spindles which are formed as a resonant circuit.
  • a cooling circuit is provided to cool the inductor 10.
  • the cooling circuit comprises a liquid guide 12 which according to the figure, the conductor loop along its length almost fully ⁇ constantly sheathed. Essential is only a sheath The shroud outside the deposit 6 is not necessary, but may be advantageous, since thereby the laying of the liquid guide 12 can be carried out together with the conductor loop and thus allows a simplified installation.
  • the sections of the cooling circuit which are not explicitly intended for cooling, are marked as liquid inlets / outlets 13.
  • the liquid circuit is merely closed in a simple manner to form a ring, so that the liquid passed through a first liquid guide 12 along a first section of the inductor 10 is returned through a second liquid guide 12 along a second section of the inductor 10 ,
  • the right side of the liquid circuit is marked as liquid inlets / outlets 13.
  • FIG. 1 Figure above are the components to provide the liquid. These are a reservoir 3, in which the liquid 14 is located for cooling. Furthermore, a pump 2 is provided to pump the liquid 14 into the cooling circuit and to ensure a flow rate si ⁇ . Furthermore, a recooler 4 is provided, through which the heated cooling liquid can be cooled down. Many variants regarding the arrangement of the inductor and the
  • Cooling circuit are conceivable. For example, could be present on the left side in the figure another recooler. Furthermore, several cooling circuits could be present. Back and forth conduction of the liquid could occur along a single section of the inductor 10 and not along the entire loop.
  • 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.
  • the liquid guide 12 may be additionally sheathed by a thermal insulator.
  • the inductor 10 is integrated with the liquid guide 12 and may be laid as a unit.
  • FIG. 2 shows a portion of an inductor 10 having an imaging order ⁇ cooling is schematically illustrated in a perspective view.
  • a centered in a tubular sheath 15 of the liquid guide 12 arranged inductor 10 is surrounded by a liquid guide 12.
  • the positioning of the inductor 10 may Example ⁇ example solely by the liquid flowing in the liquid ⁇ keits entry be determined 12th Centering is omitted according to FIG. 2.
  • the inductor 10 is accordingly the greatest possible extent ⁇ freely movable in the liquid guide 12, and could, for example, come to lie on the liquid sheath also due to the force of gravity from the inside.
  • various embodiments are presented below.
  • the diameter of the inductor 10 may preferably be 30 to 100 mm.
  • the gap width of the inductor 10 is preferential, 5 mm to 50 mm and be the mass flow ofharime ⁇ diums within the fluid guide 12, preferably 5 to 100 1 / min.
  • cross sections of cooled conductors are illustrated schematically.
  • 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 casing 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 Hohl syndrome men within the casing 15th During execution of the webs 16 over the entire length of several chambers are formed between the webs 16 at the same time, which can be flowed through in different directions by the cooling liquid in different directions.
  • 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 plurality of hoses or tubes 12A, 12B, 12F are provided as liquid guide 12 around the inductor 10 in the annular space, ie within an outer sheath 20.
  • An opposite guidance of the cooling medium in the hoses / pipes is conceivable.
  • 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 cooling medium is conducted via capillaries 19 as a liquid guide 12.
  • it may also be porous material.
  • the liquid stream can be better controlled within the flues ⁇ stechniks Entry 12 and can be that the position of inductor 10 in relation to the diesstechniksat- tion exactly predetermined 12th This can be advantageous, since the induced field does not have the same strength on all sides of the inductor 10, depending on the orientation of the two inductors 10 relative to each other.
  • FIG 6 a further variant of the liquid cooling is shown in FIG 6, in which a central, the cooling medium leading hose or tube as liquid guide 12 surrounded by the sub-conductors 10A, 10B, 10F becomes.
  • the sub-conductors 10A, 10B, 10F together represent the inductor 10.
  • 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 l / min amount.
  • the inductor 10 may for example consist of 10 to 2000 partial conductors whose total cross-sectional area is typically from 10 to 2000 mm 2 . While above, a pure leadership of cooling liquid he ⁇ was explained, this will be combined in the following, that over the length of the liquid guide 12 liquid can be discharged into the reservoir 6.
  • 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 can actually escape in liquid form or possibly also as gas, eg water vapor.
  • a liquid ⁇ guide is formed perforated 12 so that liquid can escape, whereby the liquid can actually escape in liquid form or possibly also as gas, eg water vapor.
  • an inductor 10 which is centered in a tube-shaped casing 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 is to be adapted to the desired conditions and by the illustration in Figure 7 is not to be interpreted as limiting, in particular ⁇ special so that, for example, 30 to 300 1 / min over the ge ⁇ entire length of the liquid guide 12 exit can.
  • the holes of the perforation 21 can be arranged symmetrically on the entire circumference of the sheath 15. However, it could also be beneficial to have an uneven distribution provided. 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 surrounding ⁇ environment of the inductor 10 has an advantage in that thereby in this way an electrolyte can be injected into the reservoir, which on the one hand can increase the electrical conductivity in the reservoir 6 and on ⁇ , an increased pressure within the reservoir 6 the other hand, yields. Both effects indicate that the funding rate
  • the structure of Figure 8 corresponds basically to the structure of Figure 1.
  • a conductor loop which is operated by an electrical supply 1. Sections which act as elec ⁇ erode are highlighted as inductor 10. These are the horizontal and parallel running in the deposit 6 Ab ⁇ sections.
  • a reservoir 3 for providing a liquid 14, which is provided as a cooling liquid.
  • This liquid 14 is introduced by means of the pump 2 in a liquid ⁇ keitssystem that consists of the liquid inlet 13 and from the liquid guide 12.
  • the liquid-stechniks Solution 12 is intended here to turn horizontally and parallel in the reservoir 6 portions be distinguished ⁇ .
  • the liquid introduction 13 includes the
  • the liquid guide 12 has a perforation 21 through which an exiting liquid 22 is indicated by arrows. Furthermore, in the present example, the liquid guide 12 ends already underground. For this purpose, a closure 23 of the liquid guide 12 is provided, wherein this conclusion may also have a perforation. In contrast to the present embodiment, however, it is also conceivable that the liquid guide 12 is returned to the surface for a remaining liquid residue. Alternatively, although the liquid guide 12 can be returned to the surface, but results due to the pressure conditions that no liquid reaches the Erdoberflä ⁇ che 5. 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. If the liquid supplied reaches the section with the liquid guide 12 according to the invention, part of the liquid is introduced into the deposit 6 via the perforation 21. Another part of the fluid continues to flow along the fluid guide 12, always liquid is dispensed on the perfora ⁇ tion 21st This results in an outflow of liquid through the exiting liquid 22. The loss of liquid is replaced by the pump 2 by flowing liquid.
  • the liquid flows along the inductor 10 and can dissipate heat.
  • liquid flows into the reservoir 6, in order ⁇ field of the inductors 10, whereby the pressure in the reservoir 6 can be increased or a decreasing pressure due the promotion of the hydrocarbon-containing substance can be compensated for, and the electrical conductivity in the reservoir 6 can be increased, in particular in the vicinity of the inductors 10, which in turn increases the effectiveness of the inductors 10.
  • the closure 23, the dimensions of the liquid guide 12, the configuration of the perforation 21 and the pressure applied to the liquid via the pump 2 should preferably be adapted to each other - especially taking into account the existing rock formations and the depth of the deposit - that substantially said effec ⁇ te occur over the entire length of the horizontally extending inductor 10 and / or evenly liquid 22 in the laser gerooth 6 emerges.
  • the pressure is dependent on the depth of the deposit, i. from the distance of horizontally laid inductors 10 to the earth's surface 5, depending.
  • the pressure should be higher than the hydrostatic pressure of the corresponding water column and is for example in the range between 10000 hPa (10 bar) to 50,000 hPa (50 bar).
  • Pressure relief in the reservoir 6 is made by at a time when the pressure on a above the
  • Deposit 6 present overburden is too high, the / the production tubes - not shown - are opened. Depending ⁇ but it may be advantageous to keep the production pipes as long as possible close enough to the ER at a high pressure.
  • the function of the exiting liquid 22 is thus both increasing or maintaining the pressure in the reservoir 6, as well as displacement - draining - of the substance to be delivered, with a prevention of a negative pressure in the reservoir 6 is achieved.
  • a liquid in particular an electrolyte, for. B. What ⁇ water or aqueous solutions, be provided, for example, mixed with other ingredients.
  • Suitable electrolytes, displacers or solvents are, in particular, organic or inorganic liquids or gases modified in the state of matter, or combinations thereof., In particular water - preferably produced and separated from heavy oil -, salt water, weak acids, weak bases, other solvents such as methane, Propane, butane, C02 or mixtures.
  • the cross sections presented in FIGS. 2 to 5 are also applicable to the fluid guide 12 with exiting liquid 22.
  • 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 ⁇ th contact of the inductor 10 to the reservoir is provided. The lack of contact can even be beneficial as the heat Transition 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 Figure 8, in a further construction variant, can be performed so that only sectionbe ⁇ rich of the inductor are located in a injector tube or hose 10th Furthermore, the exit holes of the perforation 21 may be distributed unevenly or even be present sections in which no perforation 21 is present.
  • FIG. 9 is a sectional view of a deposit 6 is shown schematically, wherein the deposit 6 is disposed below the surface of the earth 5 and a region 7 with Has oil reserves.
  • a conductor loop is provided, wherein in FIG. 9 only one inductor 10 of the conductor loop is shown. Furthermore, 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.
  • a production pipe 39 for transporting the substance to be conveyed in the ground is present. About the production pipe 39, a production stream 30 in the form of a liquid-solid-gas mixture - ie a phase mixture - are transported to the surface 5 to Aufberei ⁇ tung.
  • 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.
  • the remaining desanded Restflüs ⁇ stechnik has 36 can already be a consistency that reindeer for a sudinjizie- in liquid form. This is because a pipe used for re-injecting can be operated long-term without suds or clogging by the deposited residual liquid 35. According to FIG. 9, 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.
  • the desalination device 37 achieves a salinity in the resulting conditioned liquid 38 which corresponds to a natural salinity within the reservoir 6.
  • the treated liquid 38 is fed to a pump 2 and pressed under pressure into the liquid inlet 13, which later merges into the liquid guide 12.
  • the inductor 10 is guided again within the liquid ⁇ introduction 13 and the liquid guide 12.
  • the embodiments of the inductor within egg ner liquid guide already discussed still apply, in particular, the embodiments according to figures 2 to 4.
  • FIG. 9 there is shown an embodiment in Figure 9, in which the inductor 10 or intra ⁇ half of the liquid guide over sections existing webs 16 . Introduction is fixed.
  • the treated liquid 38 is thus along the In ⁇ ductor 10 within the liquid inlet 13 and the liquid guide 12 within a tube or pipe introduced into a depth of the deposit 6.
  • the liquid ⁇ guide 12 is slit is formed so that the liquid 38 penetrates through the slots 40 from the liquid guide 12 in the ground.
  • the penetrating there fen liquid can evaporate in the further Zeitver ⁇ running due to the heating effect of the inductor 10 degrees.
  • the length of the liquid guide 12 is limited and ends, while the inductor 10 continues to extend horizontally.
  • the length of the slotted liquid guide 12, the frequency and size of the slots 40 and the amount of injected liquid 38 should be coordinated meet ⁇ each other.
  • the diesstechnikst- tion can be 12 as shown in Figure 8 along the substantially total active length of the inductor 10 provided to a large- ⁇ flambaigere distribution of the liquid to be injected to ge ⁇ terrologyn.
  • a procedure is advantageous in that a less expensive What is ultimately made ⁇ required than the steam-based method, as the injection water does not have to be evaporated above ground.

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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)
  • 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, depuis un réservoir (7), ledit réservoir (7) pouvant être alimenté en énergie thermique pour réduire la viscosité de la substance, au moins une boucle conductrice (10, 11) pour l'alimentation en courant inductif étant prévue à cet effet en tant que chauffage électrique/électromagnétique du réservoir (7), un moyen (2) d'augmentation de la pression, notamment une pompe, étant prévu pour injecter un liquide dans le réservoir (7) sous forme liquide, et un dispositif de préparation (31, 35, 37) assurant l'extraction du liquide à injecter à partir d'un liquide de réservoir prélevé du réservoir (7) ou d'un milieu prélevé du réservoir (7).
EP10787342A 2010-02-22 2010-11-23 Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée dans un gisement souterrain Withdrawn EP2507470A2 (fr)

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DE102010008811 2010-02-22
DE102010023542A DE102010023542B4 (de) 2010-02-22 2010-06-11 Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte
PCT/EP2010/067990 WO2011101052A2 (fr) 2010-02-22 2010-11-23 Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée dans un gisement souterrain

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013070266A2 (fr) * 2011-11-11 2013-05-16 Delp Daniel Systèmes de câble composite pour l'utilisation dans un processus de production de pétrole in situ
WO2015065412A1 (fr) 2013-10-31 2015-05-07 Siemens Energy, Inc. Système et procédé de production de méthane
US20190249532A1 (en) * 2013-12-12 2019-08-15 Rustem Latipovich ZLAVDINOV System for locking interior door latches
US10669814B2 (en) 2017-08-08 2020-06-02 Saudi Arabian Oil Company In-situ heating fluids with electromagnetic radiation
CN110318722B (zh) * 2018-03-30 2022-04-12 中国石油化工股份有限公司 地层加热提取油气系统及方法
CN110593813A (zh) * 2019-09-11 2019-12-20 望远 除砂管汇和含砂油气处理方法
US11187044B2 (en) 2019-12-10 2021-11-30 Saudi Arabian Oil Company Production cavern
US11460330B2 (en) 2020-07-06 2022-10-04 Saudi Arabian Oil Company Reducing noise in a vortex flow meter
US11725504B2 (en) 2021-05-24 2023-08-15 Saudi Arabian Oil Company Contactless real-time 3D mapping of surface equipment
US11619097B2 (en) 2021-05-24 2023-04-04 Saudi Arabian Oil Company System and method for laser downhole extended sensing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2507471A2 (fr) * 2010-02-22 2012-10-10 Siemens Aktiengesellschaft Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1868462A (en) * 1925-06-15 1932-07-19 Universal Oil Prod Co Process for producing oil gas
GB985640A (en) * 1963-11-15 1965-03-10 Shell Int Research Method of producing crude oil from an oil-bearing formation
US3848671A (en) * 1973-10-24 1974-11-19 Atlantic Richfield Co Method of producing bitumen from a subterranean tar sand formation
US3972372A (en) * 1975-03-10 1976-08-03 Fisher Sidney T Exraction of hydrocarbons in situ from underground hydrocarbon deposits
US4119149A (en) 1976-12-20 1978-10-10 Texaco Inc. Recovering petroleum from subterranean formations
US4228853A (en) * 1978-06-21 1980-10-21 Harvey A Herbert Petroleum production method
US4463805A (en) * 1982-09-28 1984-08-07 Clark Bingham Method for tertiary recovery of oil
US5126037A (en) * 1990-05-04 1992-06-30 Union Oil Company Of California Geopreater heating method and apparatus
AU778064B2 (en) * 2000-05-03 2004-11-11 Aqua-Pure Ventures Inc. Water treatment process for thermal heavy oil recovery
AU2002257221B2 (en) * 2001-04-24 2008-12-18 Shell Internationale Research Maatschappij B.V. In situ recovery from a oil shale formation
RU2303128C2 (ru) * 2001-10-24 2007-07-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Термообработка углеводородсодержащего пласта по месту залегания посредством обратной добычи через обогреваемую скважину
RU55802U1 (ru) * 2005-06-29 2006-08-27 Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") Скважинный фильтр
US7677673B2 (en) * 2006-09-26 2010-03-16 Hw Advanced Technologies, Inc. Stimulation and recovery of heavy hydrocarbon fluids
DE102007040606B3 (de) * 2007-08-27 2009-02-26 Siemens Ag Verfahren und Vorrichtung zur in situ-Förderung von Bitumen oder Schwerstöl
DE102007008292B4 (de) 2007-02-16 2009-08-13 Siemens Ag Vorrichtung und Verfahren zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz unter Herabsetzung deren Viskosität aus einer unterirdischen Lagerstätte
DE102007036832B4 (de) 2007-08-03 2009-08-20 Siemens Ag Vorrichtung zur In-Situ-Gewinnung einer kohlenwasserstoffhaltigen Substanz
DE102008062326A1 (de) * 2008-03-06 2009-09-17 Siemens Aktiengesellschaft Anordnung zur induktiven Heizung von Ölsand- und Schwerstöllagerstätten mittels stromführender Leiter
US20090260810A1 (en) * 2008-04-18 2009-10-22 Michael Anthony Reynolds Method for treating a hydrocarbon containing formation
RU90492U1 (ru) * 2009-09-25 2010-01-10 Открытое акционерное общество "Российская инновационная топливно-энергетическая компания (ОАО "РИТЭК") Установка термогазового воздействия
DE102010008779B4 (de) 2010-02-22 2012-10-04 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2507471A2 (fr) * 2010-02-22 2012-10-10 Siemens Aktiengesellschaft Dispositif et procédé d'extraction, notamment d'extraction in-situ, d'une substance carbonée située dans un gisement souterrain

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BR112012020966A2 (pt) 2016-05-03
US20120312538A1 (en) 2012-12-13
DE102010023542A1 (de) 2011-08-25
DE102010023542B4 (de) 2012-05-24
US9175545B2 (en) 2015-11-03
RU2579058C2 (ru) 2016-03-27
WO2011101052A3 (fr) 2011-11-10
CA2790575A1 (fr) 2011-08-25
WO2011101052A2 (fr) 2011-08-25
CA2790575C (fr) 2018-01-02
RU2012140491A (ru) 2014-03-27

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