CN102099544A - Systems and methods for producing oil and/or gas - Google Patents
Systems and methods for producing oil and/or gas Download PDFInfo
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- CN102099544A CN102099544A CN2009801281279A CN200980128127A CN102099544A CN 102099544 A CN102099544 A CN 102099544A CN 2009801281279 A CN2009801281279 A CN 2009801281279A CN 200980128127 A CN200980128127 A CN 200980128127A CN 102099544 A CN102099544 A CN 102099544A
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- ether
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/594—Compositions used in combination with injected gas, e.g. CO2 orcarbonated gas
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
Abstract
The invention provides a method comprising recovering a carbon source from a formation; converting at least a portion of the carbon source to a synthesis gas; converting at least a portion of the synthesis gas to an ether; and injecting at least a portion of the ether into the formation.
Description
Technical field
The present invention relates to be used to produce oil and/or the system and method for gas.
Background technology
Can pass through the oil recovery in the oil gas field that enhanced oil recovery (EOR) increases global range.The EOR (heating, injection chemical substance/polymer and gas injection) that can use existing three kinds of main types in addition can be by conventional method (prolong the life-span of oil gas field as much as possible and increase the oil recovery factor) to achieve this end to increase oil recovery from reservoir.
Hot enhanced recovery plays a role by adding heat to reservoir.The mode of extensive enforcement is a steam flooding, and its reduces oil viscosity so that it can flow to producing well.The capillary force enhanced recovery of Residual oil is held back in the chemical displacement of reservoir oil by reduction.Polymer displacement of reservoir oil increases the displacement sweep efficiency of the water that injects.Mixed water injection plays a role according to the mode similar to the chemical displacement of reservoir oil.By injecting the fluid miscible, the Residual oil that can gather and hold back with oil.
With reference to figure 1, wherein illustrate prior art systems 100.System 100 comprises subsurface formations 102, subsurface formations 104, subsurface formations 106 and subsurface formations 108.Production equipment 110 is provided on the face of land.Well 112 passes stratum 102 and 104 and end in the stratum 106.In 114 parts that shown stratum 106.By well 112 arrive production equipments 110 from the stratum 106 produce oil gentle.Divided gas flow and liquid, with gas storage in gas reservoir 116 with fluid storage in liquid memory 118.
U.S. Patent number 5,826,656 disclose and have been used for from the gather method of water drive Residual oil of the subsurface formations that is penetrated from the face of land by at least one well that is loaded with water drive oil, and this method comprises: by being used for that the completion of injecting the bottom of carrying oil formation with the miscible solvent of oil will be injected the bottom that is loaded with the water drive Residual oil of carrying oily subsurface formations with the miscible solvent of oil; Equaling in the period at least one week to continue and to inject the bottom of carrying oil formation with the miscible solvent of oil; Again finish and be used for from a certain amount of and oily miscible solvent of the top output of carrying oil formation and the well of water drive Residual oil; With solvent and water drive Residual oil a certain amount of from the top output of carrying oil formation and that oil is miscible.Can be drive by water drive with the miscible solvent of oil in early days on described stratum.Can inject solvent and can be by horizontal well by being used for from a plurality of completions of the top output oil that carries oil formation and solvent gather solvent and oil.U.S. Patent number 5,826,656 are incorporated herein by reference in full at this.
Common pending trial U.S. Patent Application Publication No.2006/0254769 (is disclosed on November 16th, 2006, with attorney docket be TH2616) a kind of system disclosed, described system comprises: from the mechanism of subsurface formations recovery of oil and/or gas, wherein said oil and/or gas bag contain one or more hydrocarbon; The mechanism that the oil of being gathered and/or at least a portion hydrocarbon in the gas are converted into carbon disulfide formulation; With the mechanism that in the stratum, discharges at least a portion carbon disulfide formulation.U.S. Patent Application Publication No.2006/0254769 is incorporated herein by reference in full at this.
The open WO 2008/141051 (being disclosed on November 20th, 2008 and attorney docket is TH3276) of common pending trial PCT patent application discloses and has a kind ofly been produced oil and/or the system of gas by subsurface formations, and described system comprises: the well above the stratum; With the mechanism that the enhanced oil recovery preparation injects the stratum, wherein said enhanced oil recovery preparation comprises dimethyl ether; With from the stratum, produce oil and/or the mechanism of gas.The open WO 2008/141051 of common pending trial PCT patent application quotes in full as a reference this this.
This area need be used for the improvement system and method for enhanced oil recovery.This area also needs to use the improvement system and method for solvent (for example by visbreaking, chemical action and the miscible displacement of reservoir) with enhanced oil recovery.This area also needs to be used for the improvement system and method for the solvent miscible displacement of reservoir.
Summary of the invention
In one aspect, the invention provides and a kind ofly produce oil and/or the system of gas from subsurface formations, described system comprises: the well above the stratum; With the mechanism that the enhanced oil recovery preparation injects the stratum, described enhanced oil recovery preparation comprises ether, and described ether comprises 2-20 carbon; With from the stratum, produce oil and/or the mechanism of gas.
On the other hand, the invention provides a kind of producing oil and/or the method for gas, described method comprises by first well injects the ether preparation in the stratum; With from the stratum, produce oil and/or gas by second well.
On the other hand, the invention provides a kind of method, described method comprises: the carbon source of gathering from the stratum; At least a portion carbon source is converted into synthesis gas; At least a portion synthesis gas is converted into ether; With at least a portion ether is injected the stratum.
Advantage of the present invention comprises following one or more:
Use the improvement system and method for solvent from the stratum enhanced hydrocarbons recovery.
Use contains the improvement system and method for the fluid of miscible solvent from the stratum enhanced hydrocarbons recovery.
The improvement composition and/or the technology that are used for secondary recovery of hydrocarbons.
The improvement system and method that is used for enhanced oil recovery.
Use the improvement system and method for miscible solvent with enhanced oil recovery.
In using in position with the improvement system and method for the miscible compound of oil with enhanced oil recovery.
Be used to handle the improvement system and method for the gas that is produced.
Reduce or cancellation ignite the torch or the reinject improvement system and method for the gas that produced.
Being used for reformed gas is the improvement system and method for liquid.
Be used for gathering and the gentle improvement system and method for transferring oil by the stratum.
Be used to keep the improvement system and method for strata pressure.
Be used to keep the improvement system and method for throughput rate.
Be used to increase the storage improvement system and method in layer life-span.
Description of drawings
Fig. 1 illustrates oil and/or gas production system.
Fig. 2 a illustrates the well distribution map.
Fig. 2 b and 2c illustrate the well distribution map of Fig. 2 a during enhanced oil recovery processes.
Fig. 3 a-3c illustrates oil and/or gas production system.
Fig. 4 illustrates oil and/or gas production method.
Fig. 5 illustrates the production method of EOR reagent.
The specific embodiment
Well at interval
With reference to figure 2a, illustrate the array of well 200 in some embodiments.Array 200 comprises well group 202 (representing with horizon) and well group 204 (representing with oblique line).
There is horizontal range 230 between each well in the well group 202 and the adjacent well in the well group 202.There is vertical distance 232 between each well in the well group 202 and the adjacent well in the well group 202.
There is horizontal range 236 between each well in the well group 204 and the adjacent well in the well group 204.There is vertical distance 238 between each well in the well group 204 and the adjacent well in the well group 204.
There is distance 234 between each well in the well group 202 and the adjacent well in the well group 204.There is distance 234 between each well in the well group 204 and the adjacent well in the well group 202.
In some embodiments, each well in the well group 202 is centered on by 4 wells in the well group 204.In some embodiments, each well in the well group 204 is centered on by 4 wells in the well group 202.
In some embodiments, horizontal range 230 is about 5-1000 rice or about 10-500 rice or about 20-250 rice or about 30-200 rice or about 50-150 rice or about 90-120 rice or about 100 meters.
In some embodiments, vertical distance 232 is about 5-1000 rice or about 10-500 rice or about 20-250 rice or about 30-200 rice or about 50-150 rice or about 90-120 rice or about 100 meters.
In some embodiments, horizontal range 236 is about 5-1000 rice or about 10-500 rice or about 20-250 rice or about 30-200 rice or about 50-150 rice or about 90-120 rice or about 100 meters.
In some embodiments, vertical distance 238 is about 5-1000 rice or about 10-500 rice or about 20-250 rice or about 30-200 rice or about 50-150 rice or about 90-120 rice or about 100 meters.
In some embodiments, distance 234 is about 5-1000 rice or about 10-500 rice or about 20-250 rice or about 30-200 rice or about 50-150 rice or about 90-120 rice or about 100 meters.
In some embodiments, the array of well 200 can contain the 10-1000 well of having an appointment, for example about 1-500 well in about 1-500 well and the well group 204 in the well group 202.
In some embodiments, in the vertical view of the array of well 200, well group 202 and well group 204 are at interval peupendicular holes in the soil.In some embodiments, in the cross sectional side view of the array of well 200, well group 202 and well group 204 are at interval horizontal wells in the stratum.
With reference to figure 2b, illustrate the array of well 200 in some embodiments.Array 200 comprises well group 202 (representing with horizon) and well group 204 (representing with oblique line).
In some embodiments, can be miscible enhanced oil recovery reagent inject well group 204 and from well group 202 recovery of oil.As shown in the figure, can miscible enhanced oil recovery reagent have inject distribute 208 and oil recovery profile 206 produce to well group 202.
In some embodiments, can be miscible enhanced oil recovery reagent inject well group 202 and from well group 204 recovery of oil.As shown in the figure, can miscible enhanced oil recovery reagent have inject distribute 206 and oil recovery profile 208 produce to well group 204.
In some embodiments, in first period, well group 202 can be used for injecting can miscible enhanced oil recovery reagent and well group 204 can be used for producing oil and/or gas from the stratum; Subsequently in second period, well group 204 can be used for injecting can miscible enhanced oil recovery reagent and well group 202 can be used for producing oil and/or gas from the stratum, wherein first period and second period constitute the cycle.
In some embodiments, can carry out a plurality of cycles, its be included in injection can miscible enhanced oil recovery reagent and from the stratum produce oil and/or gas between well group 202 and 204 alternately, wherein well group injects and another production and in second period they being switched subsequently in first period.
In some embodiments, the cycle can be about 12 hours-1 year or about 3 days-June or about 5 days-March.In some embodiments, each cycle can prolong in time, and for example each cycle can be about 5-10% than the previous cycle, for example is about 8%.
In some embodiments, injecting when can be in the cycle initial can miscible enhanced oil recovery reagent or contain mixture that can miscible enhanced oil recovery reagent and inject immiscible enhanced oil recovery reagent or contain the mixture of immiscible enhanced oil recovery reagent when end cycle.In some embodiments, the initial period in cycle can be that the preceding 10-80% in cycle or the preceding 20-60% in cycle, the preceding 25-40% in cycle and processing completion time used for them can be the remaining times in cycle.
With reference to figure 2c, illustrate the array of well 200 in some embodiments.Array 200 comprises well group 202 (representing with horizon) and well group 204 (representing with oblique line).
In some embodiments, can be miscible enhanced oil recovery reagent inject well group 204 and from well group 202 recovery of oil.As shown in the figure, can have the distribution of injection 208 by miscible enhanced oil recovery reagent, itself and the oil recovery profile 206 overlapping 210 that produces to well group 202.
In some embodiments, can be miscible enhanced oil recovery reagent inject well group 202 and from well group 204 recovery of oil.As shown in the figure, can have the distribution of injection 206 by miscible enhanced oil recovery reagent, itself and the oil recovery profile 208 overlapping 210 that produces to well group 204.
The enhanced oil recovery method
Any method that can be known uses the array of well 200 from subsurface formations recovery of oil and/or gas.The method that is fit to comprise subsea production, sea produce, once, secondary or produce for three times.It is not crucial being used for from the selection of the method for subsurface formations recovery of oil and/or gas.
In some embodiments, oil and/or gas can be gathered in the well from the stratum and make it flow through well and pipeline to equipment.In some embodiments, by using for example for example dimethyl ether preparation, diethyl ether preparation or carbon dioxide of steam, water, surfactant, polymer flooding oil substances and/or miscible solvent of reagent, can be by enhanced oil recovery to increase from the oil on stratum and/or the flow of gas.
Can use known arbitrarily method to discharge at least a portion can miscible enhanced oil recovery reagent and/or other liquid and/or gas.A kind of suitable method be can be miscible the enhanced oil recovery preparation inject the independent conduit of individual well, soak the ether preparation and pump at least a portion ether preparation with gas and/or liquid subsequently.Another method that is fit to is to inject first well and to pump at least a portion carbon disulfide formulation by second well with gas and/or liquid by miscible enhanced oil recovery preparation.Be used to inject at least a portion can miscible enhanced oil recovery preparation and/or the selection of the method for other liquid and/or gas be not crucial.
In some embodiments, can height can miscible enhanced oil recovery preparation to the pressure of formation fracture pressure and/or other liquid and/or gas pump send in the stratum.
In some embodiments, can will can miscible enhanced oil recovery preparation mix in oil in the stratum and/or the gas to form the mixture that from well, to gather.In some embodiments, can inject well by miscible enhanced oil recovery preparation, inject another component subsequently and pass the stratum to drive preparation with a certain amount of.For example can using, water, carbon dioxide, nitrogen, alcohol, other gas, other liquid and/or their mixture of air, liquid or steam form can pass the stratum by miscible enhanced oil recovery preparation to drive.
In some embodiments, before injecting the stratum, can heat can miscible enhanced oil recovery preparation to reduce for example viscosity of heavy oil, alkane, asphalitine etc. of stratum fluid.
In some embodiments, can use add hot fluid or heater in the stratum, heat and/or boil can miscible enhanced oil recovery preparation to reduce the viscosity of fluid in the stratum.In some embodiments, can use the water of heating and/or steam with in heating and/or the gasification stratum can miscible enhanced oil recovery preparation.
In some embodiments, can use heater in the stratum, to heat and/or boil can miscible enhanced oil recovery preparation.The attorney of submitting on October 24th, 2003 is that the sequence number of the common pending trial of TH2557 is to disclose a kind of suitable heater in 10/693,816 the U.S. Patent application.Sequence number is that 10/693,816 U.S. Patent application is incorporated herein by reference in full at this.
Fig. 3 a-3b:
With reference to figure 3a and 3b, illustrate the system 300 in some embodiments of the present invention.System 300 comprises subsurface formations 302, subsurface formations 304, subsurface formations 306 and subsurface formations 308.Equipment 310 is provided on the face of land.Well 312 passes stratum 302 and 304 and in stratum 306 perforate is arranged.The part 314 on stratum 306 can be optional rupture and/or perforation.At first production period, from the oily gentle entering part 314 of stratum 306 outputs, enter in the well 312 and upwards move to equipment 310.Equipment 310 is isolated gas and liquid subsequently, and gas delivers to gas treatment device 316 and liquid is delivered to liquid memory 318.Equipment 310 also comprises can miscible oil recovery formulation storage 330.As shown in Fig. 3 a, can miscible enhanced oil recovery preparation down to pumping in the well 312 and be pumped in the stratum 306 according to the downward arrow of diagram.Can keep somewhere can miscible enhanced oil recovery preparation in the stratum, to soak about 1 hour-15 days for example about 5-50 hour.
After soaking the period, as shown in Fig. 3 b, subsequently output can miscible enhanced oil recovery preparation and oil and/or gas get back in the well 312, deliver to equipment 310.Equipment 310 can be used for separating and/or recycling can miscible enhanced oil recovery preparation (for example by boil, condensation or filter described preparation or make it reaction or the water extraction), subsequently described preparation is re-injected (for example by repeating about 2-5 time of the soak cycle shown in Fig. 3 a and the 3b) in the well 312.
In some embodiments, can under being lower than formation fracture pressure (for example being about 40-90% of fracture pressure), can be pumped in the stratum 306 by miscible enhanced oil recovery preparation.
In some embodiments, on behalf of the well 312 of 306 outputs from the stratum shown in the well of well group 202 and Fig. 3 b, the well 312 that injects stratum 306 can represent the well of well group 204 being used for shown in Fig. 3 a.
In some embodiments, on behalf of the well 312 of 306 outputs from the stratum shown in the well of well group 204 and Fig. 3 b, the well 312 that injects stratum 306 can represent the well of well group 202 being used for shown in Fig. 3 a.
Fig. 3 c:
With reference to figure 3c, illustrate the system 400 in some embodiments of the present invention.System 400 comprises subsurface formations 402, stratum 404, stratum 406 and stratum 408.Production equipment 410 is provided on the face of land.Well 412 passes stratum 402 and 404 and in stratum 406 perforate is arranged.Part stratum 414 can be optional rupture and/or perforation.From the oily gentle entering part 414 of stratum 406 outputs and through well 412, upwards move to production equipment 410.Can divided gas flow and liquid and gas can be delivered to gas reservoir 416 and liquid is delivered to liquid memory 418.But production equipment 410 outputs and/or store can miscible enhanced oil recovery preparation, can be in productions/holder 430 output and storage this can miscible enhanced oil recovery preparation.In the future deliver to can miscible enhanced oil recovery preparation production/holder 430 for dimethyl ether, diethyl ether and/or other ether of artesian well 412.The part 434 that can miscible enhanced oil recovery preparation be pumped down to stratum 406 along well 432.Can miscible enhanced oil recovery preparation pass stratum 406 with supplement production oil gentle and subsequently can miscible enhanced oil recovery preparation, oil and/or gas can all produce to well 412 and deliver to production equipment 410.Can circulate once more subsequently can miscible enhanced oil recovery preparation, for example by boil, condensation or filter described preparation or make it reaction or water extraction and subsequently described preparation being re-injected in the well 432.
In some embodiments, can with a certain amount of can miscible enhanced oil recovery preparation or can miscible enhanced oil recovery preparation and the mixture of other component inject well 432, inject subsequently other component with drive can miscible enhanced oil recovery preparation or can miscible enhanced oil recovery preparation and the mixture of other component pass stratum 406, described other component for example comprises: air; Gaseous state or liquid water; The water that mixes with one or more salt, polymer and/or surfactant; Carbon dioxide; Nitrogen; Alcohol; Other gas; Other liquid; And/or their mixture.
In some embodiments, produce oil and/or the well 412 of gas represent the well in the well group 202 and be used for injecting can miscible enhanced oil recovery preparation well 432 represent the well of well group 204.
In some embodiments, produce oil and/or the well 412 of gas represent the well in the well group 204 and be used for injecting can miscible enhanced oil recovery preparation well 432 represent the well of well group 202.
Fig. 4
With reference to figure 4, illustrate method 500 in some embodiments of the present invention.Method 500 comprises: the injection of being represented by graticule can miscible enhanced oil recovery preparation; The injection immiscible enhanced oil recovery preparation of representing by oblique line figure; With from the stratum, producing oil and/or gas of representing by blank sheet.
The top timeline has shown the injection that is used for well group 202 and the time limit of production, and the bottom timeline has shown the injection that is used for well group 204 and the time limit of production simultaneously.
In some embodiments,, in the period 502, can inject well group 202 by miscible enhanced oil recovery preparation, in the period 503, produce oil and/or gas simultaneously from well group 204 in the moment 520.Subsequently, in the period 505, can inject well group 204 by miscible enhanced oil recovery preparation, in the period 504, produce oil and/or gas simultaneously from well group 202.This injection/production cycle that is used for well group 202 and 204 can continue a plurality of cycles, for example about 5-25 cycle.
In some embodiments, constantly 530, because in that output oil and/or gas may produce cavity in the stratum during 520 constantly.During constantly 530, may be only being filled with in the leading edge portion of cavity can miscible enhanced oil recovery preparation, and promoting this with immiscible enhanced oil recovery preparation subsequently can pass through the stratum by miscible enhanced oil recovery preparation.Can in the period 506, can inject well group 202 by miscible enhanced oil recovery preparation, can in the period 508, immiscible enhanced oil recovery preparation be injected well group 202 subsequently, can in the period 507, produce oil and/or gas simultaneously from well group 204.Subsequently, can in the period 509, can inject well group 204 by miscible enhanced oil recovery preparation, then can in the period 511, immiscible enhanced oil recovery preparation be injected well group 204, can in the period 510, produce oil and/or gas simultaneously from well group 202.This injection/production cycle that is used for well group 202 and 204 can continue a plurality of cycles, for example about 5-25 cycle.
In some embodiments, in the moment 540, between well group 202 and well group 204, can there be tangible hydraulic communication.Can in the period 512, can inject well group 202 by miscible enhanced oil recovery preparation, then can in the period 514, immiscible enhanced oil recovery preparation be injected well group 202, can in the period 515, produce oil and/or gas simultaneously from well group 204.To well group 202 inject can miscible enhanced oil recovery preparation and immiscible enhanced oil recovery preparation produce oil and/or the circulation of gas can continue the required long as far as possible time from well group 204 simultaneously, as long as for example can produce oil and/or gas from well group 204.
In some embodiments, the period 502,503,504 and/or 505 can be about 6 hours-10 days, for example about 12-72 hour or about 24-48 hour.
In some embodiments, day part 502,503,504 and/or 505 duration can be from 520 extending to constantly 530 constantly.
In some embodiments, day part 502,503,504 and/or 505 can be from 520 to the moment 530 continues about 5-25 cycles, for example about 10-15 cycle constantly.
In some embodiments, the period 506 is about 10-50% of the combination duration of period 506 and period 508, for example about 20-40%, or about 25-33%.
In some embodiments, the period 509 is about 10-50% of the combination duration of period 509 and period 511, for example about 20-40%, or about 25-33%.
In some embodiments, the combination duration of period 506 and period 508 is about 2-21 days, for example about 3-14 days, or about 5-10 days.
In some embodiments, the combination duration of period 509 and period 511 is about 2-21 days, for example about 3-14 days, or about 5-10 days.
In some embodiments, the combination duration of period 512 and period 514 is about 2-21 days, for example about 3-14 days, or about 5-10 days.
In some embodiments, oil and/or the gas of producing can be delivered to refinery and/or treatment facility.But handling oil and/or gas are to produce commercial product, for example transport fuel such as gasoline and diesel oil, domestic fuel oil, sliding agent, chemicals and/or polymer.Processing method can comprise that distillation and/or distillate oil and/or gas are to produce one or more distillation fractions.In some embodiments, can carry out following one or more processing to oil and/or gas and/or one or more distillation fractions: catalytic cracking, hydrocracking, hydrotreatment, coking, thermal cracking, distillation, reformation, polymerization, isomerization, alkylation, blend and dewaxing.
Enhanced oil recovery reagent
In some embodiments, can utilize methyl alcohol and/or one or more carbinol derivatives recovery of oil and/or gas from the stratum, described carbinol derivatives such as dimethyl ether, acetate, formaldehyde and alkene, other ether such as methyl tertiary butyl ether(MTBE) (MTBE), ethyl tert-butyl ether (ETBE) (ETBE), tert pentyl methyl ether (TAME) and similar item, dimethoxymethane, many dimethoxymethane and other chemical products that is produced by methyl alcohol are hereinafter referred to as carbinol compound.Carbinol compound can comprise dimethyl ether.
In some embodiments, can utilize following material recovery of oil and/or gas from the stratum: nitrogen; Glycols is as monoethylene glycol, diethylene glycol, triethylene glycol and TEG; Ethanol, methyl alcohol or other alcohol; Acetal; Polyalcohol, methyl isobutyl alcohol, butyl propionate, methyl acetate, ethyl acetate, tert-butyl acetate or other ester; Methyl ethyl ketone, methyl iso-butyl ketone (MIBK) or other ketone; And/or one or more carbinol derivatives such as dimethyl ether and dimethyl carbonate, and/or one or more alcohol derivatives such as diethyl ether and diethyl carbonate.
In some embodiments, the hydrocarbon from the stratum can be converted into the dimethyl ether preparation.Can use any known method at least a portion hydrocarbon is converted into the dimethyl ether preparation.Suitable method may be included in and make steam and natural gas via contain the catalyst reaction of reduced state nickel under high temperature and the moderate pressure, thereby produces synthesis gas, and wherein said natural gas may contain C
1-C
6Compound is as C
1-C
4Compound.The synthesis gas product can be delivered to methanol reactor and produce methyl alcohol, methyl alcohol can dewater and produce the dimethyl ether preparation.The selection that is used at least a portion hydrocarbon is changed into the method for dimethyl ether preparation is not crucial.
U.S. Patent No. 7,168,265,7,100,692 and 7,083,662 disclose by natural gas and have prepared dimethyl ether.U.S. Patent No. 7,168,265,7,100,692 and 7,083,662 are incorporated herein by reference in full at this.
What be fit in some embodiments, can be the dimethyl ether preparation by miscible enhanced oil recovery reagent.The dimethyl ether preparation can comprise dimethyl ether and/or dimethyl ether derivative and/or precursor for example methyl alcohol and their mixture; With optional following one or more: carbon dioxide, C
1-C
6Hydrocarbon, water, nitrogen and their mixture.
In some embodiments, the mixture that can miscible enhanced oil recovery reagent comprises dimethyl ether, hydrogen sulfide, carbon dioxide, octane, pentane, LPG, C2-C6 aliphatic hydrocarbon, nitrogen, diesel oil, petroleum solvent, diluent naphtha, asphalt solution, kerosene, acetone, dimethylbenzene, trichloroethanes or two or more aforementioned agents that is fit to or as known in the art other can miscible enhanced oil recovery reagent.In some embodiments, be fit to can miscible enhanced oil recovery reagent be with the stratum in oil contact mixable for the first time or repeatedly contact mixable.
Fig. 5:
With reference to figure 5, illustrate can miscible enhanced oil recovery reagent production method 600.Originate in 602, obtain carbon source.Suitable carbon source comprises natural gas, crude oil, pitch, oil shale, Tar sands, coke, coal and animal or plant fat or other carbon source known in the art that is produced.The selection of carbon source is not very crucial.
At 604 places, any known method by this area is converted into synthesis gas with carbon source.With methane conversion is that a kind of suitable method of synthesis gas discloses in U.S. Patent Publication US2004/0256116, and it is incorporated herein by reference in full at this.The selection that is used for carbon source is changed into the method for synthesis gas is not crucial.
At 606 places, synthesis gas is converted to alcohol, for example methyl alcohol.A kind of suitable method that synthesis gas is converted into alcohol discloses in U.S. Patent Publication US 2004/0256116, and it is incorporated herein by reference in full at this.The selection of method that is used for synthesis gas is changed into alcohol is not crucial.
At 608 places, alcohol is converted to ether, and for example ethanol conversion is that ethylether, methanol conversion are that the mixture of methyl ether or methyl alcohol and ethanol is converted into methyl ethyl ether.A kind of suitable method that one or more alcohol is converted into ether is a catalytic distillation, and this method discloses in U.S. Patent Publication US2004/0204614, and it is incorporated herein by reference in full at this.The appropriate method that with ethanol conversion is diethyl ether discloses in JP63310841, JP63253043 and JP60215642, and they are incorporated herein by reference in full at this.Other appropriate method that alcohol is converted into ether is in U.S. Patent No. 5,684, and 213,5,750,799 and 6,740,783; U.S. Patent Application Publication No.2004/0034255,2004/0064002,2006/0020155,2006/0135823,2006/0224012,2007/0066855 and 2007/0078285; Openly disclose among the WO 2006/041253 and 2008/026887 with the world, they all are incorporated herein by reference in full at this.The selection that is used for alcohol is changed into the method for ether is not crucial.
At 610 places, ether is injected the stratum with auxiliary recovery of oil and/or gas.The appropriate method of injecting liquids and gases discloses in the above, and is well known in the art.The selection that is used to inject the method for ether is not crucial.
In some embodiments, 606 and 608 can make up, and be converted into ether with synthesis gas in the method this moment separately.The appropriate method that synthesis gas is converted into ether discloses in following document: U.S. Patent No. 5,218,003,5,908,963,6,069,180,6,191,175 and 6,458,856; U.S. Patent Application Publication No.2005/0038129,2006/0020155 and 2007/0078285; International open WO 99/21814; European patent application No.0324475,0409086,0483609; With UK Patent Application No.2253623; They all are incorporated herein by reference in full at this.The selection that is used to transform synthesis gas and is the method for ether is not crucial.
In some embodiments, method 600 can be imported natural gas, crude oil or other carbon source that produces from local stratum, and described local stratum is for example to the same formation of wherein injecting ether.
In some embodiments, method 600 can skips steps 602 and 604 and can import the ethanol that is produced by corn, sugarcane, cellulose or other sugared source known in the art.
In some embodiments, the suitable ether that produces at 608 places comprises the ether with about 2-20 carbon, for example about 3-10 carbon or about 4-8 carbon.Suitable ether comprises dimethyl ether, methyl ethyl ether, diethyl ether, dipropyl ether, methyl-propyl ether, ethyl propyl ether (uncle or secondary ether), butyl oxide (uncle or the second month in a season or uncle's ether), diamyl ether, tert pentyl methyl ether (TAME), ethyl tert-butyl ether (ETBE) (ETBE), methyl tertiary butyl ether(MTBE) (MTBE) and other ether with about 2-20 carbon known in the art.
In some embodiments, processing step 608 can produce ether and one or more byproducts as alcohol, water, carbon dioxide, nitrogen and possible other liquid and/or gas.These byproducts also can inject with the form of mixture or promote ether as immiscible enhanced oil recovery reagent and pass through the stratum with ether.
In some embodiments, suitable immiscible enhanced oil recovery reagent comprises gaseous state or liquid water, air, nitrogen or aforesaid two or more mixture or other immiscible enhanced oil recovery reagent known in the art.In some embodiments, suitable immiscible enhanced oil recovery reagent contacts immiscible first or repeatedly contacts immiscible with oil in the stratum.
In some embodiments, be injected in the stratum immiscible and/or can miscible enhanced oil recovery reagent can from the oil that produced and/or gas, reclaim and the stratum of reinjecting in.
In some embodiments, the oil viscosity that existed on the stratum before any enhanced oil recovery reagent of injection is at least about 0.01 centipoise, or at least about 0.1 centipoise, or at least about 0.5 centipoise, or at least about 1 centipoise, or at least about 2 centipoises, or at least about 5 centipoises.In some embodiments, inject the oil viscosity that exists on the stratum before any enhanced oil recovery reagent can be up to about 500 centipoises, or up to about 100 centipoises, or up to about 50 centipoises, or up to about 25,000 centipoises.
Schematic embodiment:
In one embodiment of the invention, disclose a kind of being used for to produce oil and/or the system of gas from subsurface formations, described system comprises: the well above the stratum; With the mechanism that the enhanced oil recovery preparation injects the stratum, described enhanced oil recovery preparation comprises ether, and described ether comprises 2-20 carbon; With from the stratum, produce oil and/or the mechanism of gas.In some embodiments, described system also comprises second well that certain distance is arranged with first well, wherein produces oil from the stratum and/or the mechanism of gas is arranged in second well.In some embodiments, the mechanism that is used for injecting is positioned at well and wherein produces oil from the stratum and/or the mechanism of gas is arranged in well.In some embodiments, subsurface formations is below water body.In some embodiments, described system also comprises the mechanism that is used for injecting immiscible enhanced oil recovery preparation after the enhanced oil recovery preparation has been released into the stratum in the stratum.In some embodiments, the enhanced oil recovery preparation also comprises one or more in the following material: hydrogen sulfide, carbon disulfide, carbon dioxide, carbon monoxide, octane, pentane, LPG, propane, C
2-C
6Aliphatic hydrocarbon, nitrogen, diesel oil, petroleum solvent, diluent naphtha, asphalt solution, kerosene, acetone, dimethylbenzene, trichloroethanes, acetal, glycol, polyalcohol, ester, ketone, aldol, alcohol, ammonia, amine and their mixture.In some embodiments, described system also comprises and is selected from following immiscible enhanced oil recovery preparation: gaseous state or liquid water, air, nitrogen, methane and their mixture.In some embodiments, described well comprises the well array of 5-500 well.In some embodiments, from the stratum, produce oil and/or the mechanism of gas is positioned at well.In some embodiments, described system also comprises the mechanism that is used for from stratum production carbon source.In some embodiments, described system also comprises the mechanism that produces synthesis gas from carbon source.In some embodiments, described system also comprises from synthesis gas directly or utilize alcohol intermediate to produce the mechanism of ether.In some embodiments, described system also comprises the mechanism that be used to produce ether adjacent with well.
In one embodiment of the invention, disclose a kind of producing oil and/or the method for gas, described method comprises by first well injects the ether preparation in the stratum; With from the stratum, produce oil and/or gas by second well.In some embodiments, from oil and/or gas, reclaim the ether preparation that exists, then the ether preparation that at least a portion reclaimed is injected the stratum if described method also comprises.In some embodiments, injecting the ether preparation comprises to inject at least a portion ether preparation with the form of the mixture of following one or more materials to the stratum: the hydrocarbon, carbon dioxide, carbon monoxide, nitrogen or their mixture that are different from described ether.In some embodiments, inject the ether preparation and comprise with form of mixtures and inject at least a portion ether preparation that wherein said mixture comprises the ether of 5-90wt% to the stratum.In some embodiments, described method also is included in and injects the ether preparation before the stratum or the described ether preparation of heating in the stratum.In some embodiments, the injection pressure of described ether preparation is higher than initial storage stressor layer 0-37, and 000kPa measures before ether injects beginning.In some embodiments, the storage layer temperature of the storage layer that described ether preparation injects is at least 100 ℃, for example at least 250 ℃, measures before ether injects beginning.In some embodiments, the permeability of described subsurface formations is the 0.0001-15 darcy, and for example permeability is the 0.001-1 darcy.In some embodiments, described method comprises also that oil that at least a portion is gathered and/or cyclostrophic turn to and is selected from following material: transport fuel such as gasoline and diesel oil, domestic fuel oil, sliding agent, chemicals and/or polymer.In some embodiments, described method also comprises oil that at least a portion is gathered and/or cyclostrophic etherization and described ether is injected subsurface formations.In some embodiments, if described method also comprise from oil and/or gas reclaim the ether preparation that exists and then with described ether formulation example as being delivered to other position by pipeline, container, pressure vessel or quench vessel.In some embodiments, described method also comprise oil that at least a portion is gathered and/or cyclostrophic etherization and then with the ether formulation example as being delivered to other position by pipeline, container, pressure vessel or quench vessel.In some embodiments, subsurface formations comprises the oil that API is 10-100.In some embodiments, inject the ether preparation and comprise the mixture that injects ether preparation and water.In some embodiments, water also comprises the water-soluble polymer that is used to increase mixture viscosity.In some embodiments, described method also is included in the Offshore Structures and produces the ether preparation by the original material that comprises synthesis gas, methyl alcohol or their mixture.In some embodiments, described method also comprises the bubble point that reduces oil in the stratum with the ether preparation.In some embodiments, described method also comprises the coefficient of expansion that increases oil in the stratum with the ether preparation.In some embodiments, described method also comprises with oil viscosity in the ether preparation reduction stratum.
In one embodiment of the invention, disclose a kind of method, described method comprises: the carbon source of gathering from the stratum; At least a portion carbon source is converted into synthesis gas; At least a portion synthesis gas is converted into ether; With at least a portion ether is injected the stratum.
It will be understood by those skilled in the art that under the prerequisite of the spirit and scope that do not depart from disclosed embodiments of the present invention, structure, material and method, can carry out multiple adjustment and variation them.Therefore, the scope of this paper claims and their equivalent functions conversion should not be limited to this paper and describe and illustrated specific embodiments, and in fact these specific embodiments only are used to illustrate the present invention.
Claims (34)
1. be used for producing oil and/or the system of gas from subsurface formations, described system comprises: the well above the stratum; With the mechanism that the enhanced oil recovery preparation injects the stratum, described enhanced oil recovery preparation comprises ether, and described ether comprises 2-20 carbon; With from the stratum, produce oil and/or the mechanism of gas.
2. the system of claim 1 also comprises second well that certain distance is arranged with first well, wherein produces oil from the stratum and/or the mechanism of gas is arranged in second well.
3. the system of claim 1, wherein injecting mechanism is arranged in well and wherein produces oil from the stratum and/or the mechanism of gas is arranged in well
4. each system of claim 1-3, wherein said subsurface formations is below water body.
5. each system of claim 1-4 also comprises the mechanism that is used for injecting immiscible enhanced oil recovery preparation after the enhanced oil recovery preparation has been released into the stratum in the stratum.
6. each system of claim 1-5, wherein the enhanced oil recovery preparation also comprises one or more in the following material: hydrogen sulfide, carbon disulfide, carbon dioxide, carbon monoxide, octane, pentane, LPG, propane, C
2-C
6Aliphatic hydrocarbon, nitrogen, diesel oil, petroleum solvent, diluent naphtha, asphalt solution, kerosene, acetone, dimethylbenzene, trichloroethanes, acetal, glycol, polyalcohol, ester, ketone, aldol, alcohol, ammonia and their mixture.
7. each system of claim 1-6 also comprises being selected from following immiscible enhanced oil recovery preparation: gaseous state or liquid water, air, nitrogen, methane and their mixture.
8. each system of claim 1-7, wherein said well comprises the well array of 1-500 well.
9. each system of claim 1-8 wherein produces oil from the stratum and/or the mechanism of gas is positioned at well.
10. each system of claim 1-9 also comprises the mechanism of production carbon source from the stratum.
11. the system of claim 10 also comprises the mechanism that produces synthesis gas from carbon source.
12. the system of claim 11 also comprises from synthesis gas directly or utilize alcohol intermediate to produce the mechanism of ether.
13. each system of claim 1-12 also comprises the mechanism that be used to produce ether adjacent with well.
14. one kind produces oil and/or the method for gas, described method comprises: inject the ether preparation by first well in the stratum; With produce oil and/or gas from the stratum by second well.
15. the method for claim 14 if also comprise the ether preparation that reclaims existence from oil and/or gas, is injected the stratum with the ether preparation that at least a portion reclaimed then.
16. one or multinomial method among the claim 14-15 are wherein injected the ether preparation and are comprised to inject at least a portion ether preparation with the form of the mixture of following one or more materials to the stratum: the hydrocarbon, carbon dioxide, carbon monoxide, nitrogen or their mixture that are different from described ether.
17. one or multinomial method among the claim 14-16 are wherein injected the ether preparation and are comprised with form of mixtures and inject at least a portion ether preparation to the stratum that wherein said mixture comprises the ether of 5-90wt%.
18. one or multinomial method among the claim 14-17 also are included in and inject the ether preparation before the stratum or the described ether preparation of heating in the stratum.
19. one or multinomial method among the claim 14-18, the injection pressure of wherein said ether preparation are higher than initial storage stressor layer 0-37,000kPa measures before ether injects beginning.
20. one or multinomial method among the claim 14-19, the storage layer temperature of the storage layer that wherein said ether preparation injects is at least 100 ℃, for example at least 250 ℃, measures before ether injects beginning.
21. one or multinomial method among the claim 14-20, the permeability of wherein said subsurface formations is the 0.0001-15 darcy, and for example permeability is the 0.001-1 darcy.
22. one or multinomial method among the claim 14-21 comprise also that oil that at least a portion is gathered and/or cyclostrophic turn to be selected from following material: transport fuel such as gasoline and diesel oil, domestic fuel oil, sliding agent, chemicals and/or polymer.
23. one or multinomial method among the claim 14-22 also comprise oil that at least a portion is gathered and/or cyclostrophic etherization and described ether are injected subsurface formations.
24. one or multinomial method among the claim 14-23, if also comprise from oil and/or gas reclaim the ether preparation that exists and then with described ether formulation example as being delivered to other position by pipeline, container, pressure vessel or quench vessel.
25. one or multinomial method among the claim 14-24, also comprise oil that at least a portion is gathered and/or cyclostrophic etherization and then with described ether formulation example as being delivered to other position by pipeline, container, pressure vessel or quench vessel.
26. one or multinomial method among the claim 14-25, wherein said subsurface formations comprises the oil that API is 10-100.
27. one or multinomial method among the claim 14-26 are wherein injected the ether preparation and are comprised the mixture that injects ether preparation and water.
28. the method for claim 27, wherein water also comprises the water-soluble polymer that is used to increase mixture viscosity.
29. one or multinomial method among the claim 14-28 also are included in the Offshore Structures and produce the ether preparation by the original material that comprises synthesis gas, methyl alcohol or their mixture.
30. one or multinomial method among the claim 14-29 also comprise the bubble point that reduces oil in the stratum with the ether preparation.
31. one or multinomial method among the claim 14-30 also comprise the expansion that increases oil in the stratum with the ether preparation.
32. one or multinomial method among the claim 14-31 also comprise with the ether preparation and reduce oil viscosity in the stratum.
33. a method, described method comprises: the carbon source of gathering from the stratum; At least a portion carbon source is converted into synthesis gas; At least a portion synthesis gas is converted into ether; With at least a portion ether is injected the stratum.
34. the method for claim 33 also comprises ether is converted into being selected from following material: glycol such as monoethylene glycol, diethylene glycol, triethylene glycol and TEG; Ethanol, methyl alcohol or other alcohol; Acetal; Polyalcohol, methyl isobutyl alcohol, butyl propionate, methyl acetate, ethyl acetate, tert-butyl acetate or other ester; Methyl ethyl ketone, methyl iso-butyl ketone (MIBK) or other ketone; And/or one or more carbinol derivatives such as dimethyl carbonate, and/or one or more alcohol derivatives such as diethyl carbonate.
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| CN201310750321.9A Active CN103742112B (en) | 2008-07-02 | 2009-06-25 | For producing the system and method for oil and/or gas |
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| CN104471019A (en) * | 2012-06-27 | 2015-03-25 | 国际壳牌研究有限公司 | Petroleum recovery process and system |
| CN105308261A (en) * | 2013-06-18 | 2016-02-03 | 国际壳牌研究有限公司 | Oil recovery system and method |
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| NO20110165A1 (en) | 2011-02-02 |
| GB2473383A (en) | 2011-03-09 |
| AU2009267249B2 (en) | 2012-06-14 |
| CN103742112B (en) | 2017-01-04 |
| US20110272151A1 (en) | 2011-11-10 |
| WO2010002693A2 (en) | 2010-01-07 |
| CN103742112A (en) | 2014-04-23 |
| AU2009267249A1 (en) | 2010-01-07 |
| GB201021472D0 (en) | 2011-02-02 |
| CN102099544B (en) | 2015-09-23 |
| BRPI0913864A2 (en) | 2017-06-20 |
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