WO2010021618A1 - Production d'énergie en boucle fermée à partir de réservoirs géothermiques - Google Patents

Production d'énergie en boucle fermée à partir de réservoirs géothermiques Download PDF

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Publication number
WO2010021618A1
WO2010021618A1 PCT/US2008/073653 US2008073653W WO2010021618A1 WO 2010021618 A1 WO2010021618 A1 WO 2010021618A1 US 2008073653 W US2008073653 W US 2008073653W WO 2010021618 A1 WO2010021618 A1 WO 2010021618A1
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WO
WIPO (PCT)
Prior art keywords
working fluid
wellbore
turbine
subterranean zone
heated subterranean
Prior art date
Application number
PCT/US2008/073653
Other languages
English (en)
Inventor
Carl T. Montgomery
Daniel R. Maloney
Original Assignee
Conocophillips Company
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 Conocophillips Company filed Critical Conocophillips Company
Priority to PCT/US2008/073653 priority Critical patent/WO2010021618A1/fr
Publication of WO2010021618A1 publication Critical patent/WO2010021618A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/17—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Definitions

  • the present invention relates generally to apparatus and methods for recovering energy from geothermal reservoirs. More specifically, the present invention relates to apparatus and methods for retrieving and converting geothermal energy employing at least ⁇ artiall> depleted hydrocarbon wells.
  • geothermal energy is obtained by exploitation of geothermal water reservoirs.
  • One method of obtaining and converting geothermal energy comes from the use of a dry steam power plant.
  • Dry steam power plants use dry steam from geothermal reservoirs produced at the surface to drhe a turbine coupled to a generator, thereby generating electricity.
  • Another method involves the use of a flash steam power plant, which uses produced geothermal water under high pressure to generate steam via a flash tank. The steam, in turn, can be used to drive a turbine coupled to a generator to create electricity.
  • a third method involves a binary cycle power plant. In a binary cycle power plant, geothermal water is pumped to the surface and passed through a surface-le ⁇ el heat exchanger, which transfers heat to a working fluid. AT least a portion of the working fluid is typically com erted to a ⁇ apor phase in the heat exchanger and can then be used to power a turbine.
  • hydrocarbon well After a hydrocarbon well has exceeded its economic usefulness, the depleted well is typically filled with cement and abandoned. Many of these hydrocarbon wells have high bottom-hole temperatures, sometimes in excess of 300 or 400 0 F. Further, many of these wells extend through or are in close proximity to geothermal water reservoirs.
  • a method for recovering and using geothermal energy comprises: (a) flowing a predominately liquid phase working fluid to a heated subterranean zone via a wellbore: (b) vaporizing at least a portion of the working fluid via indirect heat exchange with the heated subterranean zone; and (c) powering a turbine by flowing at least a portion of the vaporized working fluid through the turbine.
  • a method for recovering geolhermal energy from a heated subterranean zone using an existing wellbore is provided.
  • the method of this embodiment comprises: (a) producing a hydrocarbon from a subterranean formation via an initial cased wellbore; (b) subsequent to step (a), drilling a laterally extending borehole outwardly from the initial wellbore and into the heated subterranean zone: (c) casing the laterally extending borehole to thereby form a cased lateral wellbore in fluid communication with the initial wellbore; (d) completing a retrofitted wellbore by extending a tubing string through the initial wellbore and the lateral wellbore section, wherein the retrofitted wellbore defines an annulus between the tubing and the casing of the initial and lateral wellbores; (e) forming a closed-loop fluid flow system by coupling the retrofitted wellbore in fluid flow communication with a turbine; and (f) flowing a working fluid though said closed-loop fluid flow system.
  • a system for extracting geothermal energy from a heated subterranean zone comprises: (a) a turbine assembly defining a turbine inlet and a turbine outlet; (b) a flow loop coupled in fluid flow communication with said turbine inlet and said turbine outlet, wherein at least a portion of said flow loop extends downwardly into said heated subterranean zone; and (c) a working fluid operable to flow through said flow loop and said turbine assembly to thereby directly power said turbine assembly.
  • FIG. 1 is a schematic diagram illustrating a geothermal energy extraction system according to one embodiment of the present invention, particularly illustrating a retrofitted hydrocarbon well having a power production plant in fluid communication with a well bore having a vertical and lateral portion, where the lateral portion of the wellbore extends into a heated subterranean formation.
  • HG. 1 illustrates an embodiment of the present invention where a wellbore at least partially extending through a heated subterranean zone is coupled in fluid flow communication to a power production facility so as to form a closed-loop fluid flow system.
  • a working fluid can circulate through the closed-loop system thereby facilitating the conversion of geothermal energy into other useful forms of energy.
  • a wellbore 10 is illustrated as extending into a heated subterranean zone 12. Any type of wellbore known in the art can be employed in the present invention.
  • at least a portion of wellbore 10 can comprise an at least partially depleted hydrocarbon well.
  • hydrocarbon well shall denote any well that is currently or was formerly operable to produce a hydrocarbon-containing material (e.g., crude oil and/or natural gas).
  • the term “partially depleted hydrocarbon well” shall denote a hydrocarbon well that has had any amount of hydrocarbon-containing material removed therefrom.
  • hydrocarbon well shall denote a hydrocarbon well that has produced hydrocarbon-containing material in an amount of at least 50 percent of its initial estimated hydrocarbon capacity.
  • wellbore 10 can have a diameter of at least about 4 inches, in the range of from about 5 to about 12 inches, in the range of from about 6 to about 11 inches, or in the range of from 7 to 10 inches.
  • wellbore 10 can comprise an upright section 14. Additionally, wellbore 10 can also comprise a laterally extending section 16. Upright section 14 can be substantially vertical and can extend from the earth's surface down to at least the depth of heated subterranean zone 12. In one embodiment, upright section 14 can comprise an at least partially depleted hydrocarbon well.
  • At least a portion of upright section 14 can comprise casing 18 covering the earthen wellbore wall 20 of upright section 14. At least about 70 percent, at least about 85 percent, or at least 99 percent of earthen wellbore wall 20 can be covered by casing 18. Additionally, casing 18 can have a diameter of at least about 3 inches, in the range of from about 4 to about 1 1 inches, or in the range of from 5 to 9 inches. Casing 18 can be made from any material known in the art for casing a wellbore.
  • casing 18 can be secured to earthen wellbore wall 20 of upright section 14 via a bonding agent 22.
  • bonding agent 22 can comprise cement.
  • Cements useful as bonding agent 22 can include, but arc not limited to. those containing calcium, aluminum, silicon, oxygen and/or sulfur which set and harden by reaction with water.
  • cements include, but are not limited to, Portland cements, pozzolana cements, gypsum cements. aluminous cements, silica cements, alkaline cements and slag cements.
  • Bonding agent 22 can comprise conventional particle sizes (i.e., particle sizes in the range of from about 10 microns to about 20 microns) or fine particle sizes (i.e., particle sizes in the range of from about 2 microns to about 5 microns), or mixtures thereof.
  • the bonding agent according to the present invention may comprise Portland cements of the types defined and described in API Specification for Materials and Testing for Well Cements. American Petroleum Institute Specification 10, 5 l ed.. July 1, 1990.
  • wellbore 10 can comprise laterally extending section 16, which can extend from upright section 14. In one embodiment, upright section 14 can be in fluid communication with laterally extending section 16. Additionally, laterally extending section 16 can be substantially horizontal.
  • upright section 14 can comprise an at least partially depleted hydrocarbon well.
  • laterally extending section 16 can be drilled subsequent to producing hydrocarbon-containing material via upright section 14, thereby extending wellbore 10 into or further into heated subterranean zone 12.
  • a window can be cut in casing 18 t ⁇ facilitate the diilling ⁇ f lateially extending section 16.
  • the window cut in casing 18 can be of any size and shape to facilitate the drilling of laterally extending section 16.
  • laterally extending section 16 can extend into heated subterranean zone 12 a distance of at least about 500 feet, in the range of from about 1.000 to about 10.000 feet in the range of from about 2.000 to about 9.000 feet, or in the range of from 3 ,000 to 8.000 feet.
  • laterally extending section 16 can comprise casing 24.
  • at least about 75 percent, at least about 85 percent, or at least 99 percent of the earthen wellboie wall 26 of lateralis extending section 16 can comprise casing 24.
  • Casing 24 can contain any material or materials known in the art for casing a wellbore. such as those described above with respect to casing 18.
  • Casing 24 can be secured to earthen wellbore wall 26 via bonding agent 28.
  • Bonding agent 28 can comprise any bonding agent known in the industry for securing casing to an earthen wellbore wall, such as those described above with reference to bonding agent 22.
  • a tubing string 30 can be extended through wellbore 10.
  • Tubing string 30 can be disposed within casings 18 and 24.
  • tubing string 30 can be substantially concentric within casings 18 and 24.
  • Tubing string 30 can extend at least about 70. at least about 80, or at least 90 percent of the length of wellbore 10.
  • tubing string 30 can have a diameter of at least about 0.5 inches, in the range of from about 1 to about 5 inches, or in the range of from 1.5 to 4 inches.
  • Tubing string 30 can be formed of any material known in the art for use in a tubing string.
  • tubing string 30 can comprise a material having low thermal conductivity, such as. for example, plastic or fiberglass.
  • at least a portion of tubing string 30 can be thermal! ⁇ ' insulated. In one embodiment, at least about 75 percent, at least about 85 percent, or at least 95 percent of the total length of tubing string 30 can be thcrmall) insulated.
  • tubing string 30 can comprise an inner tube (not depicted) disposed within the outer tube defining an annular space therebetween.
  • the annular space between the inner and outer tubes of tubing string 30 can be filled with one or more thcrmall ⁇ ' insulating materials.
  • the insulating material employed in tubing string 30 can be any insulating material known in the art.
  • commercially available insulated tubing can be employed in Tubing srring 30. such as, for example, insulared mbing Typically employed in steam production.
  • Heated subterranean zone 12 can comprise any heated subterranean zone having an average tempeiature of at least about 120 0 C at least about 1 50 0 C or at least 180 0 C at the location proximate to wellbore 10.
  • the location proximate to wellbore 10 is defined as any portion of the heated subterranean zone within a five foot radius extending from earthen wellbore walls 20 and 26 along the length of wellbore 10 that extends into heated subterranean zone 12.
  • the average temperature is determined by measuring the temperature within the five foot radius along the entire length of wellbore 10 that extends into heated subterranean zone 12 and taking an average thereof.
  • heated subterranean zone 12 can comprise a geothermal water reservoir.
  • geothermal water reservoir shall denote any subterranean formation containing therein at least 10 percent by volume of water.
  • Geothermal water reservoirs useful in the current invention can be naturally occurring, artificially created, or combinations of naturally occurring and artificially created.
  • wellbore 10 can be coupled in fluid communication to a power production facility 40.
  • Power production facility 40 can be any power producing facility comprising any combination of equipment capable of converting energy from a vapor phase fluid into other useful forms of energy.
  • power production facility 40 can comprise a turbine assembly 42 which can comprise a turbine inlet 44 and a turbine outlet 46.
  • Turbine inlet 44 can be coupled in fluid flow communication with tubing string 30 via line 38.
  • Turbine assembly 42 can comprise one or more turbines of any t ⁇ pe known in the industiv, such cis, foi example, steam tmbi ⁇ es aiid/ ⁇ i expansion turbines.
  • turbine assembly 42 is a steam turbine.
  • Turbine assembly 42 can be operably coupled to generator 48.
  • turbine assembly 42 can be coupled to generator 48 via an output shaft (not depicted).
  • generator 48 can be configured to convert mechanical work generated by turbine assembly 42 into another form of energy.
  • Generator 48 can be any generator known in the industry capable of converting mechanical work into another energy form.
  • generaior 48 can be an electric generator Tn an alternative embodiment, turbine assembly 42 and generator 48 can be substituted with a turboaltcrnator (not depicted).
  • turbine outlet 46 can be coupled in fluid flow communication to a heat exchanger 52 via line 50
  • heat exchanger 52 can comprise a first pass 54 and a second pass 56.
  • Turbine outlet 46 can be coupled in fluid flow communication with first pass 54 via line 50.
  • Heat exchanger 52 can be any type of heat exchanger known in the industry where heat is indirectly transferred from one fluid to another fluid across a conductive barrier.
  • heat exchanger 52 can be a double pipe heat exchanger, a shell and tube heat exchanger (including, e.g . a u-tube or a straight tube heat exchanger), or a plate heat exchanger.
  • first pass 54 of heat exchanger 52 can be coupled in fluid flow communication with a condenser 60 via line 58.
  • Condenser 60 can be any type of condenser known in the art operable to at least partially condense a primarily vapor phase working fluid, as will be discussed in greater detail below.
  • condenser 60 can comprise a wet cooling tower, an air cooled condenser, or a direct water cooling system.
  • Condenser 60 can be coupled in fluid flow communication with a pump 64 via line 62.
  • Pump 64 can be any type of pump known in the art operable to at least partially pressurize a working fluid, as will be discussed in greater detail below.
  • pump 64 can be coupled in fluid flow communication with second pass 56 of heat exchanger 52 via line 66.
  • second pass 56 can be in fluid flow communication with annular space 32, described above.
  • a closed-loop system can be defined as comprising wellbore 10 and turbine assembly 42.
  • Wellbore 10 and turbine assembly 42 can be coupled in fluid flow communication to form a closed-loop fluid flow system.
  • Turbine assembly 42 can be operated by flowing a working fluid through the closed-loop system.
  • the closed-loop system can further comprise one or more heat exchangers, condensers, and/or pumps to facilitate circulation of the working fluid through the system.
  • the working fluid can have a flow rate through the entire loop of at ieasi about 5 barrels per minute (bpm). at least about 7 bpm. or at least 9 bpm.
  • the working fluid of the present invention can be any fluid capable of being at least partially converted to a vapor phase so as to power a turbine.
  • the working fluid can be any fluid known in the art for use as the working fluid in a Rankine cycle.
  • the working fluid of the present i mention can compiise light saturated hydrocarbons.
  • the working fluid can ha ⁇ e a lower boiling point than the boiling point of water.
  • the working fluid can comprise water in an amount of less than about 25 weight percent, less than about 20 weight percent, or less than 10 weight percent.
  • Specific examples of fluids that can be employed as the working fluid in the present invention include, but are not limited to. methane, propane, n-butane, isobutane. n-pentane, isopentane. and/or neopentane.
  • the working fluid comprises isobutane and/or isopentane.
  • an initial predominately liquid phase working fluid can be transported to heated subterranean zone 12 via annular space 32 of wellbore 10.
  • the terms ''predominately.” “primarily,' " and '"majority” shall mean more than fifty percent.
  • the indirect heat transfer from subterranean zone 12 can cause at least a portion of the predominately liquid phase working fluid to vaporize, thereby forming a predominately vapor phase working fluid.
  • at least about 50, at least about 70, or at least 90 percent of the predominately liquid phase working fluid is vaporized via the above-described indirect heat transfer.
  • the resulting predominately vapor phase working fluid can flow into the bottom opening 70 of tubing string 30.
  • the predominately vapor phase working fluid in tubing string 30 can flow substantially counter current to the flow of the working fluid in annular space 32.
  • the predominately vapor phase working fluid can have a temperature immediately upon flowing into opening 70 of at least about 120 0 C, in the range of from about 120 to about 200 0 C. in the range of from about 135 to about 200 0 C, or in the range of from 150 to 200 0 C.
  • the pressure at opening 70 in tubing string 30 can be at least about 3.000 pounds per square inch ('"psi"). in the range of from about 3.000 to about 10,000 psi. in the range of from about 4,000 to about 8,000 psi. or in the range of from 5,000 to 6.000 psi.
  • the temperature of the working fluid can decrease.
  • the temperature of the predominately vapor phase working fluid can decrease less than about 50°C. less than about 4O 0 C. or less than 3O 0 C.
  • the pressure in tubing string 30 can vary as the working fluid travels through it.
  • the pressure differential between opening 70 and the point where tubing string 30 intersects the plane of earthen surface 72 can be less than about 7.000 psi. less than about 4.000 psi, or less than 1.000 psi.
  • decrease in pressure and temperature can cause at least a portion of the predominately vapor phase working fluid to condense into a liquid phase.
  • less than about 20 weight percent or less than 10 weight percent of the predominately vapor phase working fluid condenses into a liquid phase while traveling through tubing string 30.
  • turbine inlet 44 can be in fluid communication with tubing string 30 via line 38.
  • the predominately vapor phase working fluid can flow from tubing string 30 via line 38 and be introduced into turbine assembly 42 via turbine inlet 44.
  • the predominately vapor phase working fluid can have a temperature of at least about 120 0 C, in the range of from about 120 to about 200 0 C, in the range of from about 135 to about 200 0 C, or in the range of from 150 to 200 0 C.
  • turbine inlet 44 can have a pressure of at least about 3.000 psi. in the range of from about 3,000 to about 10,000 psi, in the range of from about 4,000 to about 8,000 psi. or in the range of from 5,000 to 6,000 psi.
  • the predominately vapor phase working fluid can operate to rotate the one or more turbines in turbine assembly 42.
  • rotation of the one or more turbines in turbine assembly 42 can be caused, at least in part, by expansion of the predominately vapor phase working fluid.
  • Rotation of one or more turbines in turbine assembly 42 can generate force in the form of torque on an output shaft (not depicted).
  • Such rotation can create a force of at least about 1.000 Nm, in the range of from about 1 ,000 io about 10.000 Nm- in the range of from about 5,000 to about 10,000 Nm, or in the range of from 8.000 to 10,000 Nm.
  • rotation of the one or more turbines in turbine assembly 42 can cause generator 48 to produce power.
  • rotation of the one or more turbines in turbine assembly 42 can cause generator 48 t ⁇ produce at least about 100 kW, at least about 500 kW, or at least 1 MW.
  • the working fluid can undergo a change in temperature while passing through turbine assembly 42.
  • the working fluid ' s temperature differential can be measured by determining the difference in temperature of the working fluid at turbine inlet 44 and turbine outlet 46.
  • a pressure differential can exist between turbine inlet 44 and turbine outlet 46.
  • the pressure differential between turbine inlet 44 and turbine outlet 46 can be in the range of from about 500 to about 6.000 psi. in the range of from about 1,000 to about 4.000 psi, or in the range of from 1.000 to 2.000 psi.
  • the resulting expanded working fluid can be discharged from turbine assembly 42 via turbine outlet 46. and can be routed to first pass 54 of heat exchanger 52, described above.
  • the expanded working fluid can have its temperature further reduced to thereby form a pre-cooled working fluid.
  • the temperature of the working fluid can be decreased in first pass 54 by at least about 50 0 C. at least about 75 0 C, or at least 100 0 C.
  • the pre-cooled working fluid can be discharged from first pass 54 of heat exchanger 52 via line 58.
  • the pre-cooled working fluid can be routed to condenser 60 via line 58, where it can undergo further cooling.
  • the pre-cooled working fluid can have its temperature further reduced so as to form a cooled working fluid.
  • the working fluid can have a reduction in temperature in condenser 60 sufficient to produce a cooled working fluid having a temperature in the range of from about 0 to about 120 0 C. in the range of from about 5 to about 80 0 C, or in the range of from 10 to 4O 0 C.
  • the resulting cooled working fluid can be a primarily liquid phase working fluid.
  • the cooled working fluid can be discharged from condenser 60 and routed to pump 64 via line 62.
  • Pump 64 can operate to pressurize the cooled working fluid and discharge a pressurized working fluid into line 66.
  • the pressurization by pump 64 can cause a pressure differential to exist between the cooled working fluid in line 62 and the pressurized working fluid in line 66.
  • the pressure differential between the pressurized working fluid in line 66 and the cooled woiking fluid in line 62 can be in the range of from about 500 to about 10,000 psi, in the range of from about 500 to about 5.000 psi. or in the range of from 500 to 1,000 psi.
  • the pressurized working fluid can be routed to second pass 56 of heat exchanger 52 via line 66. While flowing through second pass 56. the pressurized working fluid can ha ⁇ e its temperature increased via indirect heat exchange with the expanded working fluid flowing through first pass 54. thereby forming a preheated working fluid.
  • the pressurized working fluid can have its temperature increased in the range of from about 40 to about 15O 0 C, in the range of from about 40 to about 100 0 C, or in the range of from 40 to 60 0 C.
  • the resulting pre-heated working fluid can be discharged from second pass 56 via line 68.
  • the pre-heated working fluid can then be routed back to annular space 32 via line 68.
  • the pre-heated working fluid in line 68 is the same as the initial predominately liquid phase working fluid discussed above.
  • NUMERICAL RANGES The present description uses numerical ranges to quantify certain parameters relating to the invention. It should be understood that when numerical ranges are provided, such ranges are to be construed as providing literal support for claim limitations that only recite the lower value of the range as w ⁇ l! as claims limitation that only reciie the upper value of ihe range. For example, a disclosed numerical range of 10 to 100 provides literal support for a claim reciting "greater than 10" (with no upper bounds) and a claim reciting "less than 100" (with no lower bounds).
  • the terms '"comprising,” “comprises,” and “comprise” are open- ended transition terras used to transition from a subject recited before the term to one or more elements recited after the term, where the element or elements listed after the transition term are not necessarily the only elements that make up the subject.
  • the terms “a. " “an.” “the.” and “said” mean one or more.
  • the term “and / or. " when used in a list of two or more items means that any one of the listed items can be employed by itself or any combination of two or more of the listed items can be employed. For example, if a composition is described as containing components A, B, and/or C. the composition can contain A alone: B alone; C alone; A and B in combination; A and C in combination; B and C in combination; or A, B, and C in combination.
  • the preferred forms of the invention described above are to be used as illustration only, and should not be used in a limiting sense to interpret the scope of the present invention. Obvious modifications to the exemplary embodiments, set forth above, could be readily made by those skilled in the art without departing from the spirit of the present invention.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
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Abstract

L'invention porte sur un appareil et sur des procédés pour récupérer et utiliser l'énergie géothermique. Ces procédés comprennent la vaporisation au moins partielle d'un fluide de travail par passage de celui-ci à travers une boucle d'écoulement qui s'étend au moins partiellement dans une zone souterraine chauffée, et l'emploi du fluide de travail vaporisé pour entraîner une turbine. Au moins une partie de la boucle d'écoulement peut comprendre un puits d'hydrocarbure épuisé ou partiellement épuisé.
PCT/US2008/073653 2008-08-20 2008-08-20 Production d'énergie en boucle fermée à partir de réservoirs géothermiques WO2010021618A1 (fr)

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Cited By (11)

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US9121393B2 (en) 2010-12-10 2015-09-01 Schwarck Structure, Llc Passive heat extraction and electricity generation
WO2017031083A1 (fr) * 2015-08-18 2017-02-23 Geotek Energy, Llc Système d'alimentation à hydrocarbures
US11187212B1 (en) 2021-04-02 2021-11-30 Ice Thermal Harvesting, Llc Methods for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on working fluid temperature
US11293414B1 (en) 2021-04-02 2022-04-05 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic rankine cycle operation
US11326550B1 (en) 2021-04-02 2022-05-10 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11421663B1 (en) 2021-04-02 2022-08-23 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation
US11480074B1 (en) 2021-04-02 2022-10-25 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11486370B2 (en) 2021-04-02 2022-11-01 Ice Thermal Harvesting, Llc Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations
US11493029B2 (en) 2021-04-02 2022-11-08 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11592009B2 (en) 2021-04-02 2023-02-28 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11644015B2 (en) 2021-04-02 2023-05-09 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig

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