WO2012041877A1 - Procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde à partir de gisements de sables bitumineux en tant que réservoir - Google Patents

Procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde à partir de gisements de sables bitumineux en tant que réservoir Download PDF

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Publication number
WO2012041877A1
WO2012041877A1 PCT/EP2011/066814 EP2011066814W WO2012041877A1 WO 2012041877 A1 WO2012041877 A1 WO 2012041877A1 EP 2011066814 W EP2011066814 W EP 2011066814W WO 2012041877 A1 WO2012041877 A1 WO 2012041877A1
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WO
WIPO (PCT)
Prior art keywords
reservoir
conductor
fluid
bitumen
conductivity
Prior art date
Application number
PCT/EP2011/066814
Other languages
German (de)
English (en)
Inventor
Dirk Diehl
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
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP11770719.0A priority Critical patent/EP2633153B1/fr
Priority to CA2812711A priority patent/CA2812711C/fr
Publication of WO2012041877A1 publication Critical patent/WO2012041877A1/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
    • 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
    • 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
    • E21B43/16—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
    • 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

Definitions

  • the present invention relates to a method of "in situ" production of bitumen or heavy oil from oil sands deposits as a reservoir.
  • the reservoir is inductively heated via at least one electrical current-carrying conductor to achieve a reduction in the viscosity of the bitumen or heavy oil.
  • a fluid is introduced into the reservoir via the perforation in the fluid guide via at least one perforated fluid guide which surrounds or comprises the at least one conductor at least in sections.
  • in-situ For the extraction of hydrocarbons such as heavy oils or bitumen from storage sites with oil sands or oil shale deposits, hereinafter referred to as reservoir, open pit methods or “in-situ” methods can be used.
  • An "in-situ” Me ⁇ Thode is the SAGD (Steam Assisted Gravity Drainage) method.
  • SAGD Steam Assisted Gravity Drainage
  • water vapor is introduced through a tube under high pressure into the soil through a pipe running horizontally within the reservoir.
  • the steam heats the heavy oil or bitumen in the reservoir, making it flowable.
  • the heated, flowable heavy oil or bitumen seeps over gravity to a second, for example, about 5 m deeper pipe through which it is pumped or promoted.
  • the reservoir can be heated inductively, for example by an insulated, current-carrying conductor loop, which induces currents in the environment of the reservoir in its environment.
  • the induced currents are mainly carried by the ionic conductivity in liquids.
  • the amount of magnetic flux density around the conductor of the conductor loop decreases approximately inversely proportional to the distance to the conductor. With homogeneous electrical conductivity of the surrounding soil this leads approximately a decrease in the heating power density around the conductor.
  • the heating power density around the conductor is inversely proportional to the square of the distance from the conductor. Thus, the highest heating power occurs in the immediate ⁇ Barer environment for insulated conductors tung dense on.
  • the conductor for inductive heating of the reservoir which is also called inductor and is known for example from DE 102007040605 B3, consists of a number of materials. Ins ⁇ special use pensation in the conductor dielectrics for capacitive com- to keep electrical losses in the conductor itself as low as possible.
  • insulating material for insulating the electrically conductive material, in particular with respect to the surrounding soil, insulating material is used, which consists for example of PFA, PTFE and / or PEEK or includes this or contains.
  • the dielectric and the insulating material are usually thermally stable up to a maximum of 150 ° C, even over long periods such as hours, days, months and years away.
  • Object of the present invention is therefore to provide a method in which the temperature of a conductor for inductive heating of the soil of a reservoir does not exceed a critical value.
  • the inventive method for "in situ" promotion of bitumen or heavy oil from oil sands reservoirs as a reservoir that the reservoir is inductively heated via at least one electric current-carrying conductor to reduce the viscosity of the bitumen or heavy oil, and that at least one perforated fluid guide which at least partially surrounds or comprises the at least one conductor, a fluid is introduced into the reservoir via the Perforie ⁇ tion in the fluid guide.
  • the fluid reduces electrical conductivity in the reservoir, at least in the vicinity of the fluid guide and / or the conductor.
  • That the conductor and the fluid guide themselves are arranged adjacent and eg are surrounded is include to the conductor at least in sections, among other ⁇ rem to understand which has the same and / or the same perforation as the fluid guide by a common insulation against the ground, or is at least partially permeable to fluids.
  • water of low conductivity as the conductivity of water in the reservoir, can be introduced into the reservoir.
  • the amount of water introduced and / or its conductivity should be determined depending on the value at which the temperature T L is to be limited, and in particular depending on the current / voltage used for induction through the conductor.
  • gas can be introduced into the reservoir as fluid.
  • air is particularly kos ⁇ -effectively and easy to use as a gas.
  • carbon dioxide and / or nitrogen may also be used as the gas, or the gas may comprise carbon dioxide and / or nitrogen.
  • a solution of chemical substances in the reservoir can be introduced, the chemical substances react to a sparingly soluble salt in the reservoir and thereby lead to precipitation of ions in the reservoir. It is advantageous if a chemical analysis is carried out before introducing the solution into the reservoir.
  • At least one fluid, in particular water, may be used from the reservoir to determine ions in the fluid withdrawn from the reservoir and to select the chemicals in the solution depending on the particular ions. Concentration determinations can also help to create the correct composition of the solution, with which the temperature of the direct environment of the conductor and thus of the conductor can be kept at a predetermined value or below a limit even with a certain energization of the conductors.
  • the concentration and type of ions in the solution should cause the solution to precipitate ions in the reservoir, for example in the form of a sparingly soluble salt, and thus the total ion concentration of the freely mobile, charged and thus inductively via the current is passed through conductor movable ions is reduced to a value which leads to a predetermined temperature and temperature T L in its direct environment with a predetermined structure and energization of the conductor.
  • T L a predetermined temperature and temperature
  • the temperature T in the direct or indirect environment of the conductor and / or the fluid guide can be limited to a maximum value, in particular to a value less than 150 ° C.
  • a previously described fluid introduction into the reservoir or a combination of the types of fluid introduction described above can be used.
  • the temperature can be limited to a maximum value at which components of a device for "in situ" extraction of bitumen or heavy oil from oil sands deposits as a reservoir, in particular insulating materials of the conductor, dielectrics Zvi ⁇ rule conductor components and / or materials of the fluid guide, are temperature stable.
  • materials such as dielectrics and insulating materials, such as PFA, PTFE and / or PEEK are usually thermally stable and will not be thermally damaged over time. This avoids damage to the conductor caused by high temperatures in its direct environment by keeping the temperatures below a limit.
  • the fluid can reduce the electrical conductivity in the vicinity of the fluid guide, in particular in the region of 3 m around the fluid guide. This may be sufficient to reduce the heat transported through the environment by thermal conductivity to the conductor so as to prevent that the temperature T L of the conductor does not exceed a critical limit for inductive heating of the conductor environment.
  • the electrical conductor may be of an alternating current with a current in the range of more than 100 A, in particular 270 A, and / or with a frequency in the range of 10 kHz to 100 kHz, in particular 75 kHz, are flowed through, whereby in particular the soil of the reservoir in the vicinity of the electrical conductor is heated by induced currents in the ground.
  • a heating power in the range of several MW can be generated at voltages across the electrical conductor in the range of greater than 10 KV.
  • Other values are possible, in particular depending on the design of the conductor, the nature of the soil, the heavy oil or bitumen to be transported and other parameters involved in oil production via inductive heating.
  • FIG. 1 shows a section through an oil sand reservoir 100 with injection 101 and delivery pipe 102
  • FIG. 2 shows a perspective detail of an oil sand reservoir 1 with an electrical conductor loop 2 running horizontally in the reservoir
  • FIG. 3 shows a perforated, tubular conductor 3 with integrated capacitors and a device for the introduction of electrolytes.
  • an oil sand deposit designated as a reservoir 100 is shown, wherein for the further Be ⁇ tions always a cuboid unit 1 with the length 1, the width w and the height h is taken out.
  • the length 1 may for example be up to some 500 m, the width w 60 to 100 m and the height h about 20 to 100 m. It has to be taken into account that starting from the earth's surface E there can be an overburden of thickness s up to 500 m.
  • the reservoir is an in etechnischsrohr 101 available for steam or water / steam mixture, and a delivery pipe 102 for the liquefied bitumen or oil according to figure 1 in ⁇ be known manner in the oil sand reservoir.
  • FIG. 2 shows a known arrangement for inductive heating.
  • This can be gebil ⁇ det by a long, ie some 100 m to 1.5 km, laid in the ground conductor loop 10 to 20, wherein the forward conductor 10 and return conductor 20 side by side, ie at the same depth, are guided and at the end via an element 15 within or partially outside the reservoir 100 are interconnected.
  • the conductors 10 and 20 are led down vertically or at a shallow angle and are powered by an RF generator 60 which may be housed in an external housing.
  • the conductors 10 and 20 extend at the same depth next to each other, but possibly also one above the other.
  • Typical distances between the return and return conductors 10, 20 are 5 to 60 m with an outer diameter of the conductors of 10 to 50 cm.
  • An electrical double line 10, 20 in Figure 2 with the aforementioned typical dimensions has a Lekssinduktriossbelag of 1.0 to 2.7 ⁇ / m.
  • the Querkapazi- tucissbelag lies with the mentioned dimensions of only 10 to 100 pF / m, so that the capacitive parallel-path currents can be neglected first ver ⁇ . In this wave effects are avoided to ver ⁇ .
  • the shaft speed is determined by the capacity and inductance coating of the conductor arrangement given.
  • the cha ⁇ istic frequency of the arrangement is due to the loop length and the wave propagation velocity ent ⁇ long the arrangement of the double line 10, 20.
  • the loop length should therefore be selected so short that there are no troublefree ⁇ Governing ripple effects here.
  • the required current amplitude for 1 kW / m falls quadratically with the excitation frequency, ie at 100 kHz the current amplitudes fall to 1/4 of the above values.
  • the inductive voltage drop is about 300 V / m.
  • the line inductance L is compensated in sections by discrete or continuous series capacitances C. Is individuality in the integrated in the line compensation, the frequency of the RF line generator must be tuned to the Re ⁇ sonanzfrequenz the current loop. This means that the double line 10, 20 can be operated expediently for heating purposes, ie with high current amplitudes, only at this frequency. As a result, an addition of the inductive voltages along the line is prevented.
  • the dielectric of the capacitor C high temperature resistance, in addition to a ho ⁇ hen dielectric strength continues to demand, as the leader, is in the inductively heated reservoir 100, which can reach a temperature of eg 250 ° C and the resistive losses in the conductors 10 , 20 can lead to further heating of the electrodes.
  • the requirements for the dielectric 33 are met by a large number of capacitor ceramics.
  • the group of aluminum silicates, ie porcelains have temperature resistances of several 100 ° C. and electrical breakdown strengths of> 20 kV / mm at perivivities of 6.
  • the above cylinder capacitors can be realized with the required capacity and have a length of, for example, 1 to 2 m.
  • the entire electrode is already surrounded by insulation.
  • the insulation against the surrounding soil is necessary to prevent resistive currents through the soil between the adjacent sections, in particular in the region of the capacitors.
  • the insulation also prevents the resistive current flow between the return conductor and the return conductor.
  • the requirements with respect to the dielectric strength to the insulation are compared to the uncompensated line of> 100 kV dropped in the above example, slightly above 3 kV and thus meet by a variety of insulating materials.
  • the insulation must withstand higher temperatures permanently, which in turn offers ceramic insulating materials.
  • the insulation layer thickness must not be too low ⁇ chosen, otherwise capacitive leakage currents could flow into the surrounding soil. Insulation thickness greater z. B. 2 mm are sufficient in the above embodiment.
  • the parallel connection of the capacitors can be used to increase the capacitance or to increase its dielectric strength.
  • partial introduction of electrolytes into the ground can be carried out for a targeted increase in the heating effect.
  • water or an electrically conductive aqueous salt solution or other electrolytes can be introduced into the reservoir in order to increase the conductivity of the reservoir.
  • the introduced water can be used to cool the conductor. If the outlet openings are replaced by valves, the change in conductivity can take place temporally and spatially in sections.
  • Increasing the conductivity serves to increase the inductive heating effect without having to increase the current amplitude in the conductors.
  • the longitudinal inductance is compensated by means of predominantly concentrated transverse capacitances.
  • the capacitance coating can be a two-wire line such.
  • the inner and outer conductors are alternately interrupted at equal intervals, thus forcing the flow of current through the distributed transverse capacitances.
  • the advantage of the distributed capacitances lies in a reduced requirement for the dielectric strength of the dielectric.
  • a compensated electrode with distributed capacitances in combination with a device for electrolyte introduction can be used.
  • a heating effect is undesirable:
  • Hinleiter 10 and return conductor 20 in placed at a small distance of, for example, 1 to 3 m, whereby their magnetic fields already compensate at a smaller distance from the double line and the inductive heating effect is reduced accordingly.
  • conductors 10 and return conductors 20 may be surrounded by a shield of high conductivity material surrounding both conductors to prevent inductive heating of the surrounding soil of the cover structure.
  • a coaxial conductor arrangement in vertical section and return conductors is conceivable that results in a perfect cancellation of the magnetic fields in the outer region and thus no inductive heating of the surroundi ⁇ constricting soil.
  • the increased cross-capacitance coating can be used to implement a gyrator, which converts a voltage of a voltage impressing converter into an alternating current according to the prior art, with help.
  • the power generator 60 in FIG. 2 is designed as a high-frequency generator. It can generate power up to 2500 kW. Typically, frequencies between 5 and 20 kHz are used. However, higher frequencies can also be used.
  • the power generator 60 is three-phase and advantageously includes a transformer coupling and power semiconductors as components. Insbesonde ⁇ re, the circuit includes a voltage-inverter. A current injection with load-independent basic Oscillation, which is adjustable by means of filter components, results in this case with a suitable choice of Anpassvierpols. Depending on the topology of the quadripole, a different current load of the feeding inverter results.
  • a single-phase generator can also be used.
  • Such generators with, for example, 440 KW at 50 KHz are commercially available.
  • a targeted increase in the heating effect can be achieved by introducing electrolyte into the ground. It can be ⁇ be introduced, for example water or an electrically conductive aqueous saline or other electrolytes in the reservoir to raised stabili ⁇ hen the conductivity of the reservoir.
  • the heating power in the immediate vicinity of the conductor 3 can be reduced.
  • the conductivity ⁇ speed in the area for example, up to 3 m around the conductor 3 around lowered.
  • the decrease in conductivity is particular ⁇ DERS strong in the immediate vicinity of the conductor 3, where most of the heating occurs by induction.
  • the induced ion currents in the soil around the conductor 3 are reduced by the fluid or the reduction of the conductivity in the ground.
  • more distant regions of the conductor 3, where the heating power by induction is lower there is less, if any, reduction in conductivity by the fluid.
  • this is also introduced in more remote areas of the soil by, for example, diffusion, depending ⁇ but to a much lesser extent than in the immediate vicinity of the conductor 3 around.
  • the lower heating power which in more remote from the conductor 3 areas of
  • Soil occurs, not reduced or only geringmos ⁇ gig reduced.
  • the conductivity decreasing with the distance from the conductor 3, the conductivity, so that the induced heating power and thus the heating is reduced.
  • the lower amount of heat in the vicinity of the conductor 3 leads to a lower heat conduction to the conductor 3 and thus to a lower heating of the conductor 3 itself.
  • the temperature T L of the conductor 3 can thus be limited to a maximum value at which the individual materials of the conductor 3 are not thermally damaged and are long-term stable.
  • the heating power in the vicinity of the electrical conductor 3 is made uniform.
  • the conductivity is at high field strengths indu ⁇ ed reduced by the conductor 3 around by reducing the conductivity of the heating power, while further away do not or only slightly altered is changed and thus the heating power remains substantially the same.
  • the conductor 3 With the same electrical power for the induction via the conductor 3, the conductor 3 is heated less strongly, with the advantages described above. As a result, the power can be further increased as long as the critical temperature value at the conductor 3 is not reached, in which materials such as insulation or dielectric are damaged.
  • the invention is not limited to the above-described exporting ⁇ approximately example of the method. Combinations of prior art methods with the method according to the invention are also possible.
  • a temporally successive introduction of electrolyte to increase the conductivity, followed by an introduction of fluid to reduce the conductivity in the vicinity of the conductor 3 is possible.
  • 3 heavy oil or bitumen can be liquefied more remote from the line 3 and thus promoted at higher power without damaging the line.
  • a repeated, alternating introduction of electrolyte to increase the conductivity and of fluid to reduce the conductivity is possible. This can temporarily a Cooling of the line 3 can be achieved.
  • a pulsewise, repeated introduction of only fluid to reduce the conductivity is possible.
  • Em introduction of electrolyte to increase the conductivity followed by an introduction of fluid to reduce the conductivity in the vicinity of the conductor 3 may also be advantageous if in distant areas of the conductor 3 good promotion of heavy oil or bitumen achieved who should.
  • the electrolyte can be introduced to increase the conductivity in more remote areas, for example by high pressure and / or diffusion, and in the immediate vicinity of the conductor 3, the subsequently introduced fluid to reduce the conductivity displace the electrolyte to increase the conductivity.
  • the induced heating power is increased in more remote areas, while in the immediate vicinity of the conductor 3 and the conductor 3 itself, the heating is reduced.
  • a liquid electrolyte conducts heat better than, for example, a gas.
  • the lower In ⁇ production can be compensated away from the conductor by a better conductivity and immediately in the vicinity of the conductor 3, a gas z lead to a reduced heat transfer to the conductor 3 out.

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  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • General Induction Heating (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention concerne un procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde, à partir de gisements de sables bitumineux (100), en tant que réservoir (1). Le réservoir (1) est chauffé par induction, via au moins un conducteur électrique (3) parcouru par un courant, de manière à obtenir une diminution de la viscosité du bitume ou de l'huile extra lourde. Via au moins un guide de fluide perforé (30) qui entoure ou comprend, au moins partiellement, au moins le conducteur (3), un fluide (45) est introduit dans le réservoir, via la perforation, dans le guide de fluide (30). Le fluide (45) diminue une conductivité électrique dans le réservoir (1), au moins dans l'environnement du guide de fluide (30).
PCT/EP2011/066814 2010-09-28 2011-09-28 Procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde à partir de gisements de sables bitumineux en tant que réservoir WO2012041877A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11770719.0A EP2633153B1 (fr) 2010-09-28 2011-09-28 Procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde à partir de gisements de sables bitumineux en tant que réservoir
CA2812711A CA2812711C (fr) 2010-09-28 2011-09-28 Procede d'exploitation « in situ » de bitumes ou d'huile extra lourde a partir de gisements de sables bitumineux en tant que reservoir

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010041535.9 2010-09-28
DE102010041535 2010-09-28
DE201010043302 DE102010043302A1 (de) 2010-09-28 2010-11-03 Verfahren zur "in situ"-Förderung von Bitumen oder Schwerstöl aus Ölsand-Lagerstätten als Reservoir
DE102010043302.0 2010-11-03

Publications (1)

Publication Number Publication Date
WO2012041877A1 true WO2012041877A1 (fr) 2012-04-05

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PCT/EP2011/066814 WO2012041877A1 (fr) 2010-09-28 2011-09-28 Procédé d'exploitation « in situ » de bitumes ou d'huile extra lourde à partir de gisements de sables bitumineux en tant que réservoir

Country Status (4)

Country Link
EP (1) EP2633153B1 (fr)
CA (1) CA2812711C (fr)
DE (1) DE102010043302A1 (fr)
WO (1) WO2012041877A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886793A1 (fr) * 2013-12-18 2015-06-24 Siemens Aktiengesellschaft Procédé d'introduction d'une boucle d'inductance dans une formation rocheuse
EP2886792A1 (fr) * 2013-12-18 2015-06-24 Siemens Aktiengesellschaft Procédé d'introduction d'une boucle d'induction dans une formation rocheuse
DE102015210701A1 (de) * 2015-06-11 2016-12-15 Siemens Aktiengesellschaft Heizvorrichtung zur induktiven Heizung einer Kohlenwasserstofflagerstätte mit Filterelement, Anordnung sowie Verfahren

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228853A (en) * 1978-06-21 1980-10-21 Harvey A Herbert Petroleum production method
CA2304938A1 (fr) * 1999-08-31 2001-02-28 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
DE102007040605B3 (de) 2007-08-27 2008-10-30 Siemens Ag Vorrichtung zur "in situ"-Förderung von Bitumen oder Schwerstöl

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008062326A1 (de) * 2008-03-06 2009-09-17 Siemens Aktiengesellschaft Anordnung zur induktiven Heizung von Ölsand- und Schwerstöllagerstätten mittels stromführender Leiter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228853A (en) * 1978-06-21 1980-10-21 Harvey A Herbert Petroleum production method
CA2304938A1 (fr) * 1999-08-31 2001-02-28 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
DE102007040605B3 (de) 2007-08-27 2008-10-30 Siemens Ag Vorrichtung zur "in situ"-Förderung von Bitumen oder Schwerstöl

Also Published As

Publication number Publication date
EP2633153A1 (fr) 2013-09-04
CA2812711C (fr) 2019-01-29
DE102010043302A1 (de) 2012-03-29
CA2812711A1 (fr) 2012-04-05
EP2633153B1 (fr) 2018-11-07

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