CN101589128A - Method and composition for enhanced hydrocarbons recovery - Google Patents
Method and composition for enhanced hydrocarbons recovery Download PDFInfo
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- CN101589128A CN101589128A CNA2007800505038A CN200780050503A CN101589128A CN 101589128 A CN101589128 A CN 101589128A CN A2007800505038 A CNA2007800505038 A CN A2007800505038A CN 200780050503 A CN200780050503 A CN 200780050503A CN 101589128 A CN101589128 A CN 101589128A
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- 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
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
Abstract
A method of treating a hydrocarbon containing formation is described. The method includes providing a hydrocarbon recovery composition to the hydrocarbon containing formation. The hydrocarbon recovery composition includes a branched internal olefin sulfonate having an average carbon number of at least 15 and an average number of branches per molecule of at least 0.8.
Description
Technical field
The present invention relates generally to be used for method from hydrocarbon stratum recovery of hydrocarbons.More particularly, embodiment described herein relates to the method for enhanced hydrocarbons recovery and can be used for wherein composition.
Background technology
Can pass through with one or more well earth penetratings recovery of hydrocarbons from hydrocarbon containing formation.Can make hydrocarbon pass through described well stream to ground.The condition of hydrocarbon containing formation (for example perviousness, hydrocarbon concentration, porosity, temperature, pressure) may influence the economic feasibility of producing hydrocarbon from hydrocarbon containing formation.Hydrocarbon containing formation may have natural energy (for example gas, water) makes hydrocarbon flow to the surface of hydrocarbon containing formation with auxiliary.Natural energy can be the form of water.Water can be exerted pressure so that hydrocarbon flows to one or more recovery wells.Gas may be present under enough pressure in the hydrocarbon containing formation so that hydrocarbon flows to one or more recovery wells.It is exhausted that the natural energy source may become in time.Can use and replenish percentage recovery to continue recovery of hydrocarbons from hydrocarbon containing formation.The example of replenishment comprises that water drive, polymer flooding, alkali drive, thermal treatment, solution drives or their combination.
Known use contains the surface active agent composition of alpha-olefin sulfuric ester and the composition and the method for enhanced hydrocarbons recovery.United States Patent (USP) 4,488,976 and 4,537,253 have described the enhanced oil recovery composition that contains this class component.Also known use inner olefin sulfonic acid ester and the composition and the method for enhanced hydrocarbons recovery.At United States Patent (USP) 4,597, this class surfactant composition has been described in 879.The shortcoming of the composition of describing in the aforementioned patent is that salt water solubility and divalent ion tolerance are not enough under some reservoir conditions.United States Patent (USP) 4,979,564 have described and have used the inner olefin sulfonic acid ester in the method for the enhanced oil recovery utilizing the low-tension viscous waterflooding.The example that is described to useful commercially available material is ENORDET IOS 1720, and it is for being defined as sulfonation C
17-20The product of the Shell Oil Company of internal olefin sodium salt.This material has low degree of branching.
Summary of the invention
In one embodiment, can by comprise with hydrocarbon gather compositions-treated at least a portion hydrocarbon containing formation method and from hydrocarbon containing formation, produce hydrocarbon.In certain embodiments, at least a portion hydrocarbon containing formation may be glossy wet.In some embodiments, at least a portion hydrocarbon stratum may comprise low salinity water.In other embodiments, at least a portion hydrocarbon containing formation may show greater than 30 ℃ even greater than 60 ℃ medial temperature.In certain embodiments, fluid, material or their combination can be added at least a portion hydrocarbon containing formation makes hydrocarbon flow to one or more recovery wells with auxiliary.
In one embodiment, the hydrocarbon composition of gathering can comprise the tensio-active agent that contains the branched internal olefins sulphonate.The average carbon number of branched internal olefins sulphonate can maybe can be 15-26 at least 15.Phrase used herein " carbon number " refers to total carbon number in the molecule.In certain embodiments, the average carbon number of branched internal olefins sulphonate can be 15-18 or 17-20.In other embodiments, the average carbon number of branched internal olefins sulphonate can be 20-24.Can pass through NMR assay determination average carbon number.In some embodiments, the average side chain number of each branched internal olefins sulphonate molecule can be at least 0.8.Side chain on the branched internal olefins sulphonate can include but not limited to methyl and/or ethyl branch.In some embodiments, the average side chain number of each molecule can be at least 1 or at least 2.The average side chain number of each molecule is not more than 3 usually.Also can be by the average side chain number of each molecule of NMR assay determination.
In one embodiment, can from hydrocarbon containing formation, produce hydrocarbonaceous compositions.Hydrocarbonaceous compositions can comprise the arbitrary combination of hydrocarbon, branched internal olefins sulphonate, methane, water, bituminous matter, carbon monoxide and ammonia.
Description of drawings
By embodiment and the appended accompanying drawing of reference of benefiting from following detailed description, advantage of the present invention for a person skilled in the art will be clearly, wherein:
Fig. 1 has described the embodiment of handling hydrocarbon containing formation;
Fig. 2 has described the embodiment of handling hydrocarbon containing formation;
Fig. 3 has described the diagram of the interfacial tension value under 5% NaCl;
Fig. 4 has described the diagram of the interfacial tension value under 7% NaCl; With
Fig. 5 has described the diagram of the interfacial tension value under 9% NaCl.
Although the present invention is easy to carry out various improvement and alternative form, its specific embodiments provides by the by way of example in the accompanying drawing, and will describe in detail in this article.Should be appreciated that accompanying drawing and detailed description thereof are not intended to limit the invention to particular forms disclosed, on the contrary, the present invention intends covering spirit of the present invention and interior all improvement, equivalence and the replacement scheme of scope that drops on the claims definition.
Embodiment
Can penetrate hydrocarbon containing formation and from the hydrocarbon stratum, produce hydrocarbon by well." hydrocarbon " is normally defined the molecule that is mainly formed by carbon and hydrogen atom, for example oil and gas.Hydrocarbon also can comprise other element, such as but not limited to halogen, metallic element, nitrogen, oxygen and/or sulphur.The hydrocarbon that is derived from the hydrocarbon stratum can include but not limited to petrologen, pitch, pyrobitumen, bituminous matter, oil or their combination.Hydrocarbon can be positioned at the matrices of the earth or adjacent with it.Parent rock can include but not limited to sedimentogeneous rock, sand, silicilyte, carbonate, diatomite and other porous medium.
" stratum " comprises one or more layers hydrocarbon bearing formation, one or more layers nonhydrocarbon layer, overlying strata and/or underlying formation." overlying strata " and/or " underlying formation " comprises a class or how inhomogeneous impermeable material.For example overlying strata/underlying formation can comprise rock, shale, mud stone or wet/tight carbonate (promptly not the impermeable carbonate of hydrocarbonaceous).For example, underlying formation can comprise shale or mud stone.In some cases, overlying strata and/or underlying formation may be permeable to a certain extent.For example, underlying formation may for example sandstone or Wingdale be formed by permeable mineral.In some embodiments, at least a portion of hydrocarbon containing formation is located to exist for following at the earth's surface about 1000 feet.
The character of hydrocarbon containing formation can influence hydrocarbon and how flow through underlying formation/overlying strata and arrive one or more recovery wells.Described character includes but not limited to porosity, perviousness, pore size distribution, floor area, salinity or the temperature on stratum.The character of overlying strata/underlying formation and hydrocarbon character for example capillary pressure (static state) feature and relative permeability (flowing) combination of features may influence and makes the moving hydrocarbon containing formation that passes through of hydrocarbon stream.
The perviousness of hydrocarbon containing formation may change according to the stratum composition.Relatively permeable formation may comprise the heavy hydrocarbon that becomes entrained in sand for example or the carbonate." permeable relatively " used herein refers to that stratum or its part have 10 millidarcies or bigger average perviousness." low relatively perviousness " used herein refers to that stratum or its part have the average perviousness that is lower than 10 millidarcies.1 darcy equals about 0.99 square micron.The impermeable part on stratum has the perviousness that is lower than 0.1 millidarcy usually.In some cases, some or all hydrocarbon parts of permeable formation can mainly contain heavy hydrocarbon and/or tar relatively, and do not support the ore particle framework and buoyant (or not having) mineral substance (for example pitch lake) is only arranged.
The fluid (for example gas, water, hydrocarbon or their combination) that may have different densities in the hydrocarbon containing formation.According to fluid density, the fluidic mixture may form the layer between underlying formation and the overlying strata in the hydrocarbon containing formation.In the hydrocarbon containing formation, gas may form top layer, and hydrocarbon may form the middle layer and water may form bottom.Fluid can be present in the hydrocarbon containing formation with multiple amount.Interaction in the stratum between the fluid may produce interface or border between fluid.Can be by interface or the border between generation fluid of the interaction between fluid and the stratum and the stratum.Usually, gas not with hydrocarbon containing formation in other fluid form border.In one embodiment, can between water layer and underlying formation, form first border.Can between water layer and hydrocarbon layer, form second border.Can be in hydrocarbon containing formation form the 3rd border between the hydrocarbon of different densities.In some embodiments, in hydrocarbon containing formation, may there be the multiple fluid that has a plurality of borders.Should be understood that the multiple combination that may have between the fluid and the border between fluid and the overlying strata/underlying formation in the hydrocarbon containing formation.
Producing fluid may disturb between the fluid and the interaction between fluid and the overlying strata/underlying formation.Along with remove fluid from hydrocarbon containing formation, the different fluid layer may mix and form the blended stream layer.The blended fluid may have different interactions at the fluid boundary place.According to interaction, produce the hydrocarbon difficulty that may become at the boundary of mixed stream.Moving by hydrocarbon containing formation for the prediction hydrocarbon stream, the interaction at the interface (for example energy level) that quantizes at fluid and/or fluid and overlying strata/underlying formation may be useful.
The required energy of interaction between the fluid that quantizes at the interface in the stratum (for example mixing) may be difficult to measure.Can determine the quantification of the energy level at the interface between liquid by common known technology (for example revolve and drip tonometer).Can will require to be called interfacial tension at the interface interaction energy." interfacial tension " used herein refers to the surface free energy that exists between two or more fluids on border showing.High interfacial tension value (for example greater than 10 dynes per centimeter) may show that a kind of fluid can not mix with second kind of fluid to form the fluid emulsion." emulsion " used herein refers to reduce the dispersion of a kind of immiscible fluid in second kind of fluid that the interfacial tension between the fluid obtains with the composition that obtains stability by interpolation.It may be because the high surface interaction energy between two kinds of fluids that fluid can not mix.Low interfacial tension value (for example being lower than 1 dynes per centimeter) may show the low surface interaction between two kinds of immiscible fluids.Thereby the low surface interaction between two kinds of immiscible fluids can may cause two kinds of fluids to mix forms emulsions.Fluid with low interfacial tension value may flow to wellhole and output from hydrocarbon containing formation subsequently because of the capillary force that reduces.
Fluid in the hydrocarbon containing formation can be moistening (for example, adhere to overlying strata/underlying formation or be spread on overlying strata/underlying formation) in hydrocarbon containing formation." wettability " used herein refers in the presence of other fluid, and fluid preferentially is spread on the solid surface in the stratum or adheres on the solid surface in the stratum.Craig, Jr. at " The Reservoir EngineeringAspects of Waterflooding ", 1971 monographs the 3rd volume has been described the method for measuring the wettability on hydrocarbon stratum among the Society of PetroleumEngineers, described document is incorporated herein by this reference.In the embodiment, in the presence of gas or water, hydrocarbon may adhere to sandstone.Substantially overlying strata/the underlying formation that is covered by hydrocarbon can be called as " glossy wet ".Because the existence of hydrocarbon containing formation Semi-polarity and/or heavy hydrocarbon (for example bituminous matter), overlying strata/underlying formation may be glossy wet.The adsorptive capacity of hydrocarbon on the surface that (for example silicon-dioxide, carbonate or clay) can determine overlying strata/underlying formation is formed on the stratum.In some embodiments, porous and/or permeable formation may allow the more easily wetting overlying strata/underlying formation of hydrocarbon.Substantially glossy wet overlying strata/underlying formation may suppress to produce hydrocarbon from hydrocarbon containing formation.In certain embodiments, the glossy wet end branch of hydrocarbon containing formation may be positioned at earth surface and locates for following about 1000 feet.
Water may be contained in the hydrocarbon stratum.Water may with the surface interaction of underlying formation." water-wet " used herein refers to form the tectum of water on the surface of overlying strata/underlying formation.Overlying strata/the underlying formation of water-wet can be produced hydrocarbon by stoping the wetting overlying strata/underlying formation of hydrocarbon to be strengthened from the stratum.In certain embodiments, the water-wet of hydrocarbon containing formation part can comprise a spot of polarity and/or heavy hydrocarbon.
Water in the hydrocarbon containing formation may contain mineral (for example mineral of baric, calcium or magnesium) and mineral salt (for example sodium-chlor, Repone K, magnesium chloride).The hydrocarbon that the salinity water of water and/or the water hardness may influence in the hydrocarbon containing formation in the stratum is gathered." salinity " used herein refers to dissolved solid amount in the water." water hardness " used herein refers to the concentration of divalent ion in the water (for example calcium, magnesium).Can measure salinity water and hardness by common known method (for example specific conductivity, titration)." highrank fuel salinity water " used herein refers to have greater than 30 in sodium-chlor, the total dissolved solid of 000ppm water.Along with salinity water in the hydrocarbon containing formation increases, the interfacial tension between hydrocarbon and the water may increase may become with fluid and more is difficult to produce.
Low salinity water in the hydrocarbon containing formation can be strengthened produce hydrocarbon from hydrocarbon containing formation.Because the low interfacial tension between low salinity water and the hydrocarbon, hydrocarbon and low salinity water can form the emulsion of good distribution.For the producer, it may be more economical feasible producing runny emulsion (for example hydrocarbon/water mixture) from hydrocarbon containing formation." low salinity water " used herein refers to that the salinity water in the hydrocarbon containing formation is lower than 20 in sodium-chlor, the total dissolved solid of 000ppm.In some embodiments, hydrocarbon containing formation may contain salinity and be lower than 13, the water of 000ppm.In certain embodiments, it is 3 that hydrocarbon containing formation may contain salinity, 000-10, the water of 000ppm.In other embodiments, the salinity of water can be 5 in the hydrocarbon containing formation, 000-8,000ppm.
Can select the hydrocarbon containing formation that is used to handle based on factor such as but not limited to the thickness of hydrocarbon bearing formation in the stratum, the liquid production content of assessment, the position on stratum, the salinity content on stratum, the temperature on stratum and the degree of depth of hydrocarbon bearing formation.At first, the natural stratum pressure and temperature may enough make hydrocarbon stream go in the wellhole and flow out the arrival point face.Temperature in the hydrocarbon containing formation can be 0-300 ℃.Along with produce hydrocarbon from hydrocarbon containing formation, pressure in the stratum and/or temperature may descend.Can use the artificial lifting (for example pump, gas inject) and/or the heating of various ways, to continue from hydrocarbon containing formation, to produce hydrocarbon.With the exhaustion of hydrocarbon in the landing surface, from hydrocarbon containing formation, produce required hydrocarbon and may become uneconomical.
Because fluidic capillary action in the hole of the viscosity of hydrocarbon and hydrocarbon containing formation, it may be difficult that the residual hydrocarbon that keeps in the hydrocarbon containing formation is flowed." capillary force " used herein refers to the magnetism between fluid and at least a portion hydrocarbon containing formation.In one embodiment, can overcome capillary force by the pressure that increases in the hydrocarbon containing formation.In other embodiments, can overcome capillary force by the interfacial tension that reduces between the fluid in the hydrocarbon containing formation.The ability that reduces capillary force in the hydrocarbon containing formation may depend on a plurality of factors, includes but not limited to the composition of hydrocarbon in the salinity of water in the temperature, hydrocarbon containing formation of hydrocarbon containing formation and the hydrocarbon containing formation.
Along with productivity descends, can use other method so that hydrocarbon containing formation is more economical feasible.Described method can comprise the source of adding water (for example salt solution, steam), gas, polymkeric substance, monomer or their arbitrary combination to the hydrocarbon stratum, to strengthen flowing of hydrocarbon.
In one embodiment, can handle hydrocarbon containing formation with water drive.Water drive can comprise by injector well injects a part of hydrocarbon containing formation with water.Flooding at least a portion stratum can water-wet part hydrocarbon containing formation.Can the water-wet of hydrocarbon containing formation partly be pressurizeed and can use one or more recovery wells to collect water/hydrocarbon mixtures by currently known methods.Yet water layer may not effectively mix with the hydrocarbon layer.The mixing efficiency of difference may be owing to the high interfacial tension between water and the hydrocarbon.
Can make moving polymkeric substance and/or the monomer of hydrocarbon stream handle hydrocarbon containing formation by using, and strengthen the production from hydrocarbon containing formation to one or more recovery wells.Described polymkeric substance and/or monomer can reduce the flowability of water in the hole of hydrocarbon containing formation.Reduce the water flowability and can allow the easier hydrocarbon containing formation that flows through of hydrocarbon.Described polymkeric substance includes but not limited to polyacrylamide, polyacrylic ester, ethylenic copolymer, biological polymer, carboxymethyl cellulose, polyvinyl alcohol, polystyrolsulfon acid ester, Polyvinylpyrolidone (PVP), AMPS (2-acrylamide-2-methyl propane sulfonic acid ester) or their combination of polyacrylamide, partial hydrolysis.The example of vinyl copolymer comprises the multipolymer of vinylformic acid and acrylamide, vinylformic acid and lauryl acrylate, lauryl acrylate and acrylamide.The example of biological polymer comprises xanthan gum and guar gum.In some embodiments, polymkeric substance can be in-situ cross-linked in hydrocarbon containing formation.In other embodiments, polymkeric substance can original position produce in hydrocarbon containing formation.The U.S. Patent No. 6 that is entitled as " Method ForMaking Hydrophobically Associative Polymers; Methods of Use andCompositions " people such as Zhang, 427,268, the U.S. Patent No. 6 that is entitled as " Foam DriveMethod " of Wang, 439,308, the U.S. Patent No. 5 that is entitled as " PermeabilityModifying Composition For Use In Oil Recovery " of Smith, 654,261, people's such as Surles the U.S. Patent No. 5 that is entitled as " Formation Treating ", 284,206, people's such as Surles the United States Patent (USP) 5 that is entitled as " Formation Treating ", 199,490 and people's such as Morgenthaler the U.S. Patent No. 5 that is entitled as " Profile Control InEnhanced Oil Recovery ", 103, the polymkeric substance that uses in the oil recovery and the preparation of polymkeric substance have been described in 909, more than all documents be incorporated herein by this reference.
In one embodiment, the composition of hydrocarbon can being gathered provides to hydrocarbon containing formation.In one embodiment, composition can contain the branched internal olefins sulphonate.
Internal olefin is a double bond position in the alkene along any position except that terminal carbon of carbochain.Linear internal does not contain any alkyl, aryl or the alicyclic side chain on any double-linked carbon or on any carbon atom adjacent with double-linked carbon.Typical commercial product by alpha-olefin isomerization production mainly is straight chain and has the average side chain number of each low molecule.
In one embodiment, the average carbon number of branched internal olefins can be at least 15, or average carbon number can be 15-26.In certain embodiments, the average carbon number of branched internal olefins can be 15-18 or 17-20.In other embodiments, the average carbon number of branched internal olefins can be 20-24.Can pass through NMR assay determination average carbon number.
In another embodiment, the average side chain number of each molecule of branched internal olefins can be at least 0.8.In another embodiment, the side chain number of each molecule can be at least 1 in the branched internal olefins, or at least 2.The average side chain number of each molecule is not more than 3 usually.The reason of relevant this point is 3 to be generally the maximum side chain number that can incorporate into known technology.Also can pass through the average side chain number of each molecule of NMR assay determination.Do not wish to limit by any way scope of the present invention, applicant's reasoning, the effect of the side chain in the internal olefin in above-mentioned scope are to influence intramolecular interaction in the molecule, influence micellar formation and type, prevention or hinder the formation of liquid crystal, effectively reduce interfacial tension and allow more easily breakdown of emulsion.This is favourable, because these character allow in the hole of reservoir rock the effectively displacement of reservoir oil and make oil flow.
Can be used to produce the internal olefin of inner olefin sulfonic acid ester of the present invention by the skeletal isomerization preparation.The appropriate methodology that is used for the production branched internal olefins comprises United States Patent (USP) 5,510,306,5,633,422,5,648,584,5,648,585,5,849,960 and European patent EP 0,830, those that describe among the 315B1, above-mentioned all documents are incorporated herein by this reference in full.Be described in the aforementioned patent under suitable temperature of reaction, pressure and the air speed, in gas phase, make the hydrocarbon stream that comprises at least a normal olefine and the catalyzer that is fit to for example the catalysis zeolite contact.Usually, the reaction conditions of Shi Heing comprises 200-650 ℃ temperature, is higher than 0.5 atmospheric olefin partial pressures and 0.5-10.0 normal atmosphere or higher total pressure.Preferably, under 200-500 ℃ temperature, under 0.5-2 atmospheric olefin partial pressures, prepare internal olefin of the present invention.
Common known internal olefin is than the more difficult sulfonation of alpha-olefin (referring to " Tenside Detergents " 22 (1985) 4,193-195 page or leaf).In the article that is entitled as " Why Internal Olefins areDifficult to Sulfonate ", author's statement makes the internal olefin sulfonation of multiple commercial internal olefin and Laboratory Production by using falling film reactor, acquisition is lower than 90% internal olefin transformation efficiency and they state that discovery need be with SO in addition
3: the mol ratio of internal olefin is increased to greater than 1.6: 1, to realize being higher than 95% transformation efficiency.In addition, wherein the product color of gained is very dark and have two high sulfonation and many sulfonated products content.
United States Patent (USP) 4,183,867 and 4,248,793 (these two pieces of documents are incorporated herein by this reference) disclose the method that can be used to prepare branched internal olefins sulphonate of the present invention.They carry out in falling film reactor, with the inner olefin sulfonic acid ester of preparation light colour.Unreacted internal olefin amount is respectively 10-20% and at least 20% and must take special measure to remove unreacted internal olefin in the described method.Before use, the inner olefin sulfonic acid ester that must purifying contains 10-20% and at least 20% unreacted internal olefin respectively.Therefore, the preparation inner olefin sulfonic acid ester that has required light colour and have required low free oil content is obviously had any problem.
By following European patent EP 0,351, disclosed method among 928 B1 can be avoided these difficulties, and described patent is incorporated herein by this reference.
The method that can be used for preparing the inner olefin sulfonic acid ester that the present invention uses comprises: when making reactor cooling with the refrigerating unit with the temperature that is no more than 35 ℃, mol ratio at sulphonating agent and internal olefin is 1: 1-1.25: 1 time, in film reactor, make the reaction of aforesaid internal olefin and sulphonating agent, the reaction product that obtains with sulfonation procedure directly, with under the condition of not extracting unreacted internal olefin, make the hydrolysis of neutral reaction product.
Be derived from the sulphonate of internal olefin in preparation, make the reaction of internal olefin and sulphonating agent, form β-sultone and some alkansulfonic acids, wherein said sulphonating agent can be sulphur trioxide, sulfuric acid or oleum.The preferred falling film reactor of film reactor.
Neutralization reaction product and make it hydrolysis.Under some environment (for example aging), β-sultone changes into γ-sultone, and this γ-sultone can change into δ-sultone.After neutralization and hydrolysis, obtain γ-hydroxyl sulfoacid ester and δ-hydroxyl sulfoacid ester.The shortcoming of these two kinds of sultone is that they are than the more difficult hydrolysis of β-sultone.Therefore, in most of embodiment, preferably under not aged condition, proceed.Obtain the beta-hydroxy sulphonate after β-sultone hydrolysis.Do not need to remove these materials, because they are formed with the surfactant structure of usefulness.
Refrigerating unit (preferably water) has the temperature that is no more than 35 ℃ temperature, particularly 0-25 ℃.According to environment, also can use lower temperature.
Subsequently reaction mixture is added the neutralizing hydrolysis device.For example sodium hydroxide or yellow soda ash neutralize/hydrolysis with water-soluble alkali.The corresponding alkali that is derived from potassium or ammonium also is fit to.Usually with the reaction product of excessive alkali (calculating) neutralization from falling film reactor with acid constituents.Usually, under 0-80 ℃ temperature, neutralize.Can under 100-250 ℃, preferred 130-200 ℃ temperature, be hydrolyzed.Hydrolysis time can be 5 minutes-4 hours usually.Can carry out alkaline hydrolysis with oxyhydroxide, carbonate, supercarbonate and the amine compound of basic metal (alkaline-earth metal).
This process can be intermittently, semicontinuous or carry out continuously.Usually react in falling film reactor, described falling film reactor cools off by the heat-eliminating medium that flows at the outer wall place of reactor.At the inwall of reactor, internal olefin flows downward.With entering nitrogen in the reactor, air or the logistics dilution sulphur trioxide of other rare gas element arbitrarily.The concentration of sulphur trioxide is 2-4 volume % normally, with the carrier gas volumeter.The present invention is derived from the inner olefin sulfonic acid ester of alkene in preparation, need be in the neutralizing hydrolysis step mixing reactor product and aqueous bases very equably.This can be for example by effectively stirring or adding polar latent solvent (for example lower alcohol) or finish by adding consisting of phase-transferring agent.
In one embodiment, the hydrocarbon composition of gathering can contain aforesaid branched internal olefins sulphonate tensio-active agent.In some embodiments, in the composition amount of branched internal olefins sulphonate tensio-active agent can for total composition greater than 10wt%.In one embodiment, hydrocarbon is gathered, and the amount of branched internal olefins sulphonate tensio-active agent mainly is the 10-80wt% of total composition in the composition.The amount of branched internal olefins sulphonate tensio-active agent can be the 30-60wt% of composition total weight in the composition.The remainder of composition can be including but not limited to water, low-molecular-weight alcohol, organic solvent, alkyl sulfonic ester, aromatic yl sulphonate, salt solution or their combination.Low-molecular-weight alcohol include but not limited to methyl alcohol, ethanol, propyl alcohol, isopropyl alcohol, tert-butyl alcohol, the second month in a season-butyl alcohol, butyl alcohol, uncle-amyl group alcohol or their combination.Organic solvent includes but not limited to methyl ethyl ketone, acetone, low alkyl group cellosolve, low alkyl group Trivalin SF or their combination.
Hydrocarbon is gathered composition can be at least a portion hydrocarbon containing formation and the hydrocarbon phase mutual effect.Can reduce hydrocarbon and one or more fluidic interfacial tensions in the hydrocarbon containing formation with the interaction of hydrocarbon.In other embodiments, the hydrocarbon composition of gathering can reduce interfacial tension between the overlying strata/underlying formation of hydrocarbon and hydrocarbon containing formation.Reduce interfacial tension and can allow the moving hydrocarbon containing formation that passes through of at least a portion hydrocarbon stream.
Can use known technology to estimate the hydrocarbon composition of gathering and reduce the ability of the interfacial tension of hydrocarbon and fluidic mixture.In one embodiment, can use the interfacial tension value of revolving the mixture that drips tonometer mensuration hydrocarbon and water.The composition of a certain amount of hydrocarbon can being gathered adds hydrocarbon/water mixture and can measure gained fluidic interfacial tension value.Low interfacial tension value (for example being lower than 1 dynes per centimeter) may represent that described composition reduces the surface energy between at least a portion hydrocarbon and the water.The reduction of surface energy may represent that at least a portion hydrocarbon/water mixture can flow through at least a portion hydrocarbon containing formation.
In one embodiment, the composition of hydrocarbon can being gathered adds hydrocarbon/water mixture and can measure the interfacial tension value.Ultralow interfacial tension value (for example being lower than 0.01 dynes per centimeter) may represent that the hydrocarbon composition of gathering has reduced surface tension between at least a portion hydrocarbon and the water, makes at least a portion hydrocarbon can flow through at least a portion hydrocarbon containing formation.With fluidic interfacial tension value is greater than the hydrocarbon phase ratio of the compositions-treated of 0.01 dynes per centimeter in the stratum with causing, at least a portion hydrocarbon may flow through at least a portion hydrocarbon containing formation easilier under ultra low interfacial tension.Fluid that composition adds in the hydrocarbon containing formation can increase the efficient of producing hydrocarbon will to cause the hydrocarbon of ultra low interfacial tension value to be gathered.At production period, hydrocarbon in the hydrocarbon containing formation composition concentration of gathering is minimized, so that the minimizing costs of using.
In the embodiment of the method that is used for handling hydrocarbon containing formation, as shown in Figure 1, the composition of the hydrocarbon that contains the branched-chain alkene sulphonate can being gathered provides (for example injecting) to hydrocarbon containing formation 100 by injector well 110.Hydrocarbon stratum 100 can comprise overlying strata 120, hydrocarbon layer 130 and underlying formation 140.Injector well 110 can comprise perforate 112, and perforate 112 allows fluid to pass through hydrocarbon containing formation 100 in a plurality of depth level current downflow.In certain embodiments, hydrocarbon layer 130 is lower than 1000 feet below can be at the earth's surface.In some embodiments, the underlying formation 140 of hydrocarbon containing formation 100 can be for glossy wet.In other embodiments, may there be low salinity water in the hydrocarbon containing formation 100.
Can be based on the hydrocarbon that exists in the hydrocarbon containing formation, the hydrocarbon composition of gathering is provided to the stratum with a certain amount of.Yet hydrocarbon is gathered the amount of composition may be too little, and can't use known transportation techniques (for example pumping) that it accurately is transported to hydrocarbon containing formation.For promoting that a spot of hydrocarbon composition of gathering is transported to hydrocarbon containing formation, composition and water and/or the salt solution combination of hydrocarbon can being gathered can be injected fluid with generation.The gather amount of composition of the hydrocarbon that injects hydrocarbon containing formation 100 can be lower than the 0.5wt% that can inject the fluid gross weight.In certain embodiments, provide to the gather amount of composition of the hydrocarbon of hydrocarbon containing formation and can be lower than the 0.3wt% that can inject the fluid gross weight.In some embodiments, provide to the gather amount of composition of the hydrocarbon of hydrocarbon containing formation and can be lower than the 0.1wt% that can inject the fluid gross weight.In other embodiments, provide to the gather amount of composition of the hydrocarbon of hydrocarbon containing formation and can be lower than the 0.05wt% that can inject the fluid gross weight.
Hydrocarbon gather composition can with at least a portion hydrocarbon phase mutual effect in the hydrocarbon layer 130.Gather composition and the interaction of hydrocarbon layer 130 of hydrocarbon can reduce at least a portion interfacial tension between the different hydrocarbon.The hydrocarbon composition of gathering also can reduce between one or more fluids in the stratum (for example water, hydrocarbon) and the underlying formation 140 and between one or more fluids in the stratum and the overlying strata 120 or at least a portion interfacial tension of their combination.In one embodiment, hydrocarbon gather composition can with at least a portion hydrocarbon and one or more other fluid interactions of at least a portion in the stratum, to reduce at least a portion interfacial tension between hydrocarbon and one or more fluids.Reducing interfacial tension can allow at least a portion hydrocarbon and one or more fluids of at least a portion in the stratum to form emulsion.Can the interfacial tension value between hydrocarbon and one or more fluids be become the value that is lower than 0.1 dynes per centimeter by the hydrocarbon composition of gathering.In some embodiments, can the interfacial tension value between the hydrocarbon in the stratum and other fluid is reduced to be lower than 0.05 dynes per centimeter by the hydrocarbon composition of gathering.In other embodiments, can the interfacial tension value between the hydrocarbon in the stratum and other fluid is reduced to be lower than 0.001 dynes per centimeter by the hydrocarbon composition of gathering.Can make at least a portion hydrocarbon composition/hydrocarbon/fluid mixture of gathering flow to recovery well 150.The product that obtains from recovery well 150 can include but not limited to hydrocarbon gather component (for example long chain aliphatic and/or long chain aliphatic hydrochlorate), methane, carbon monoxide, water, hydrocarbon, ammonia, bituminous matter or their combination of composition.After the composition of hydrocarbon being gathered adds hydrocarbon containing formation, can increase greater than 50% from the hydrocarbon output of hydrocarbon containing formation 100.
In certain embodiments, can be with the fluid pre-treatment hydrocarbon containing formation 100 that removes hydrocarbon.The fluid that removes hydrocarbon can be made up of water, steam, salt solution, gas, liquid polymers, foamed polymer, monomer or their mixture.Provide to the stratum at composition that hydrocarbon is gathered, can use the fluid handling stratum that removes hydrocarbon.In some embodiments, hydrocarbon containing formation 100 is lower than 1000 feet below can be at the earth's surface.In certain embodiments, can be before injecting hydrocarbon containing formation 100, heating removes the fluid of hydrocarbon.The fluid that removes hydrocarbon can reduce the viscosity of at least a portion hydrocarbon in the stratum.Reducing in the stratum viscosity of at least a portion hydrocarbon can strengthen at least a portion hydrocarbon and flow to recovery well 150.After at least a portion hydrocarbon in hydrocarbon containing formation 100 had flowed, hydrocarbon stream is moving may to become effective inadequately for hydrocarbon containing formation for making to repeat to inject the identical or different fluid that removes hydrocarbon.The mobile poor efficiency may produce more permeable district owing to the fluid that removes hydrocarbon in hydrocarbon containing formation 100.The fluid that removes hydrocarbon may be by the permeable district in the hydrocarbon containing formation 100, and not with remaining hydrocarbon phase mutual effect with remaining hydrocarbon stream is moved.Therefore, the displacement that is adsorbed to the heavier hydrocarbon of underlying formation 140 may reduce in time.Think that the most at last the stratum is underproductivity or undesirable economically for producing hydrocarbon.
In certain embodiments, can strengthen the mobile of the more heavy hydrocarbon that is adsorbed to underlying formation 140 with injecting the hydrocarbon composition of gathering after removing the fluid handling hydrocarbon containing formation of hydrocarbon.Hydrocarbon gather composition can and the hydrocarbon phase mutual effect to reduce the interfacial tension between hydrocarbon and the underlying formation 140.Reducing interfacial tension can be so that hydrocarbon stream be moving to recovery well 150 with from recovery well 150 outputs.In some embodiments, the hydrocarbon of producing from recovery well 150 can comprise hydrocarbon gather composition at least a portion component, inject well and be used for pretreated fluid, methane, carbonic acid gas, ammonia or their combination that removes hydrocarbon.The hydrocarbon composition of gathering is added the production life-span that at least a portion underproductivity hydrocarbon containing formation may prolong hydrocarbon containing formation.After the composition of hydrocarbon being gathered adds hydrocarbon containing formation, may increase greater than 50% from the hydrocarbon output of hydrocarbon containing formation 100.The hydrocarbon output that increases can improve the economic feasibility of hydrocarbon containing formation.
The inner olefin sulfonic acid ester component of composition is heat-staple and can uses in the temperature of wide region.For promoting that a certain amount of hydrocarbon composition of gathering is transported to hydrocarbon containing formation, compositions of hydrocarbons and water or salt solution combination can be able to be injected fluid with generation.Can will be lower than the hydrocarbon that can the inject fluid gross weight 0.5wt% composition of gathering by injector well 110 and inject hydrocarbon containing formation 100.In certain embodiments, the gather concentration of composition of the hydrocarbon that injects by injector well 110 can be lower than the 0.3wt% that can inject the fluid gross weight.In some embodiments, the gather concentration of composition of hydrocarbon can be lower than the 0.1wt% that can inject the fluid gross weight.In other embodiments, the gather concentration of composition of hydrocarbon can be lower than the 0.05wt% that can inject the fluid gross weight.
The gather interaction of at least a portion hydrocarbon in composition and the stratum of hydrocarbon can reduce at least a portion interfacial tension between hydrocarbon and the underlying formation 140.Reducing at least a portion interfacial tension can make at least a portion hydrocarbon stream moving by hydrocarbon containing formation 100.Yet flowing of at least a portion hydrocarbon may be under economically feasible speed.In one embodiment, after the compositions-treated stratum of gathering with hydrocarbon, polymkeric substance can be injected hydrocarbon stratum 100 by injector well 110, to strengthen the moving stratum of passing through of at least a portion hydrocarbon stream.The polymkeric substance that is fit to includes but not limited to: the CIBA that CibaSpecialty Additives (Tarrytown, New York) produces
ALCOFLOOD
, Tramfloc Inc. (Temple, Arizona) Tramfloc of Sheng Chaning
And Chevron Phillips Chemical Co. (The Woodlands, Texas) HE of Sheng Chaning
Polymkeric substance.Gather the interaction between composition and the polymkeric substance of hydrocarbon, hydrocarbon can strengthen that remaining at least a portion hydrocarbon flows to recovery well 150 in the stratum.
In some embodiments, because the high thermal stability of inner olefin sulfonic acid ester, the composition of hydrocarbon can being gathered adds a part of hydrocarbon containing formation 100 of the medial temperature with 0-150 ℃.In some embodiments, fluid (for example water, the polymers soln) combination that composition and at least a portion remove hydrocarbon of hydrocarbon can being gathered can be injected fluid to produce.Can be by the injector well of describing among Fig. 2 110, will be lower than the hydrocarbon that can the inject fluid gross weight 0.5wt% composition of gathering and inject hydrocarbon containing formation 100.In certain embodiments, the gather concentration of composition of the hydrocarbon that injects by injector well 110 can be lower than the 0.3wt% that can inject the fluid gross weight.In some embodiments, can gather composition by injector well 110 injection hydrocarbon containing formations 100 with being lower than the hydrocarbon that can inject fluid gross weight 0.1wt%.In other embodiments, can gather composition by injector well 110 injection hydrocarbon containing formations 100 with being lower than the hydrocarbon that can inject fluid gross weight 0.05wt%.The gather interaction of the hydrocarbon in composition and the stratum of hydrocarbon can reduce at least a portion interfacial tension between hydrocarbon and the underlying formation 140.Reduce at least a portion interfacial tension and can make at least a portion hydrocarbon stream in selected district 160 in the hydrocarbon containing formation 100 moving, thereby form hydrocarbon pond 170.Can be from the hydrocarbon pond the selected district of hydrocarbon containing formation 100 170 production at least a portion hydrocarbon.
In other embodiments, at least a portion hydrocarbon to flowing of selected district 160 may be under economically feasible speed.Polymkeric substance can be injected hydrocarbon stratum 100, to strengthen the moving stratum of passing through of at least a portion hydrocarbon stream.Gather the interaction between composition and the polymkeric substance of at least a portion hydrocarbon, hydrocarbon can be strengthened at least a portion hydrocarbon and flows to recovery well 150.
In some embodiments, the hydrocarbon composition of gathering can contain inorganic salt (yellow soda ash (Na for example
2CO
3), sodium-chlor (NaCl) or calcium chloride (CaCl
2)).Adding inorganic salt can help to make the hydrocarbon composition of gathering to be dispersed in whole hydrocarbon/water mixture.The dispersion of composition of gathering the hydrocarbon of strengthening can reduce the interaction between hydrocarbon and the water termination.The interaction that reduces can reduce the interfacial tension of mixture and more runny fluid is provided.
In another embodiment, the hydrocarbon composition of gathering can contain polymkeric substance and/or monomer.As mentioned above, polymkeric substance can be used to strengthen the moving stratum of passing through of at least a portion hydrocarbon stream.The polymkeric substance that is fit to has been described before.Gather the interaction between the composition of hydrocarbon and the hydrocarbon that contains polymkeric substance can be strengthened flowing of remaining at least a portion hydrocarbon in the stratum.
Embodiment
The hydrocarbon that preparation comprises the branched internal olefins sulphonate composition of gathering is with for the multiple different composition measuring result of interfacial tension relatively.Prepare three kinds of different side chain C
15-18Internal olefin (25731-77-2 has medium side chain number, and 25731-78-2 has higher side chain number and 25889-113 and is used for most of linear internal that hydrocarbon is gathered before being used to represent).By these internal olefins of NMR analysis and characterization.Shown the analysis of the average side chain number of each molecule in the table 1.The NMR that carries out as described below analyzes.
This method has been described the sign of branched-chain alkene.Proton magnetic resonance (PMR) (1H NMR) method is checked multiple olefin unit, and reports the aliphatic series of the average side chain number of each molecule and each chain and the number of olefinic side chain.
Usually, with the 0.1ml sample dissolution in 1.0ml deuterate chloroform and be transferred to senior 5mm NMR pipe.Obtain, handle the H1-NMR data and such as hereinafter detailed description calculate side chain and alkene analysis.Described method supposition sample only contains acyclic hydro carbons monoolefine.Described method does not plan at diolefine, naphthenic hydrocarbon, paraffinic hydrocarbons, aromatic hydrocarbons or contains in the presence of the heteroatomic species to use.Suppose that alkene has enough molecular weight and low volatility, make and under the condition of loss material not, at room temperature easily to handle sample.To such an extent as to suppose alkene be not very big they be not easy to be dissolved in the chloroform.At room temperature, long linear wax shape molecule may be not easy to be dissolved in the chloroform.May need another kind of solvent.The chloroform solvent that is used for dissolved samples should be done, because the water in the solvent is with interferometric analysis.
Equipment
● be equipped with 5mm
1H-single or
13C/
1The Varian Inova 500NMR spectrograph (or Equivalent) of the two probes of H
● Denville Scientific Pipete-Mate Pipettors (1000ul and 100ul).Denville Scientific Company。
● have the senior NMR sample tube of 5-mm of plastic cover.Kontes Glass Company。
Operational condition
Use following acquisition parameter:
1H tip angle: 1.5usec. (12 degree)
Delay between the collection: 5sec. (d1=4.0sec and at=1.0sec)
Spectrum width: 8kHz
Buffer size: 16K machinery
Number of scans: 64
Specimen preparation
Add the 0.1ml sample in the 1.0ml deuterate chloroform and be transferred to 5mm NMR pipe subsequently.
The sample of preparation quality control and move every group of sample side by side in the same manner is with testing accuracy.
Calculate ﹠amp; Report the result
Aliphatic series is analyzed
Ch_db=I
2.80-2.35(methyne that two keys are other)
Ch2_db=I
2.35-1.75/ 2 (methylene radical that two keys are other)
Ch3_db=I
1.75-1.51/ 3 (methyl that two keys are other)
subs＝ch_db+ch2_db+ch3_db
Ch3=I
1.01-0.20/ 3 (not at the other methyl of two keys)
Ch=ch32*ch_db-ch2_db (not at the other methyne of two keys)
Ch2=(I
1.51-1.01-ch)/2 (not at the other methylene radical of two keys)
Alkene is analyzed
Vinyl=I
5.90-5.70(vinyl olefins)
Disub=I
5.70-5.20/ 2 (disubstituted olefins)
If I
5.02-4.75＞2*I
5.90-5.70(three substituted olefines)
trisub＝I
5.20-5.02+I
5.02-4.75-2*I
5.90-5.70
Otherwise
trisub＝I
5.20-5.02
Vdene=I
4.75-4.58/ 2 (vinylidene alkene)
branch＝2*disub+3*trisub+vinyl+2*vdene
Tetra=(subs-branch)/4 (four substituted olefines)
If tetra＜0 then tetra=0 termination condition
Olef=disub+trisub+tetra+vinyl+vdene (all alkene and)
I wherein
M-nRefer to the integration between m ppm and the n ppm.
Based on above-mentioned amount, can carry out following calculating:
Olef_b=(trisub+vdene+2*tetra)/olef (the alkene side chain of each chain)
Alip_b=(ch_db+ch)/olef (the aliphatic side chain of each chain)
C_no=2+ (subs+ch3+ch2+ch)/olef (carbon of each chain)
Di=100*disub/olef (disubstituted olefin %)
Tri=100*trisub/olef (three substituted olefine %)
Tet=100*tetra/olef (four substituted olefine %)
Vi=100*vinyl/olef (vinyl olefins %)
Vd=100*vdene/olef (vinylidene alkene %)
Report the amount of the above-mentioned olef_b that lists, alip_b and c_no.
Olef_b=(the alkene side chain of each chain)
Alip_b=(the aliphatic side chain of each chain)
C_no=(carbon of each chain)
Table 1
NMR analyzes
| Moderate branching |
| Sample 25731-77-2 C1518 IO |
| Side chain 0.41 on the alkene |
| Side chain 0.74 on the aliphatic series |
| Total side chain 1.15 |
| Disubstituted olefin 66.5 |
| Three substituted olefines 23.0 |
| Four substituted olefines 8.1 |
| Vinyl olefins 0.8 |
| Vinylidene alkene 1.6 |
| Highly branched C1518 IO |
| Sample 25731-78-2 |
| Side chain 0.50 on the alkene |
| Side chain 1.61 on the aliphatic series |
| Total side chain 2.11 |
| Disubstituted olefin 52.4 |
| Three substituted olefines 41.2 |
| Four substituted olefines 2.9 |
| Vinyl olefins 0.5 |
| Vinylidene alkene 3.1 |
| Contrast C1518 IO |
| Sample 25889-113 |
| Side chain 0.06 on the alkene |
| Side chain 0.22 on the aliphatic series |
| Total side chain 0.28 |
| Disubstituted olefin 90.2 |
| Three substituted olefines 5.1 |
| Four substituted olefines 0.2 |
| Vinyl olefins 4.0 |
| Vinylidene alkene 0.5 |
Make these branched internal olefins sulfonation and as described below the test.From sample 25889-113 preparation contrast 0.28 most of straight chain sulfonation IO.Prepare 1.15 side chain sulfonation IO from sample 25731-77-2.Prepare 2.11 side chain sulfonation IO from sample 25731-78-2.Make 0.28 most of straight chain sulfonation IO and 2.11 side chain sulfonation IO blend make 0.89 side chain sulfonation IO (0.89 side chain of each molecule of 0.666 * 0.28+0.333 * 2.11=) by ratio with 2: 1.
In table 2, list composition and interfacial tension measuring result.By under required salinity levels, making the hydrocarbon composition of gathering mix to obtain 0.5% living solution in the preparation table 2 composition of describing with salt solution.
Use University of Texas model to revolve to drip tonometer to measure the gather interfacial tension value of composition/water mixture of hydrocarbon/hydrocarbon.With 4 microlitres (μ L) just-dodecane hydrocarbon drop puts into and contains the gather glass capillary of composition/salt brine solution of hydrocarbon, so that the volume ratio of salt solution and hydrocarbon is 400.Pipe put into revolve drip apparatus neutralization and add a cover subsequently.Open motor fast with swivel pipe, thereby in pipe, produce cylinder drop (for example 6-12m/rev).The length of drop can be more than or equal to 4 times of drop width.Kapillary and drop are heated to a plurality of temperature (being equal to and greater than 25,50,75 and 98 ℃).Drop recorded a video play the size that is used to measure drop again and use Optima with the later stage
Interfacial tension between system-computed drop and the composition/salt solution.The time range of measuring is about 1.0 hours of about 0.1-, to realize the drop balance.
By be determined at 0.5% hydrocarbon gather when not observing obvious crystal in the composition minimum temperature (with representing at first) and by become minimum temperature (with finally representing) when being dissolved in the salt aqueous phase fully of the composition of the transparency indication of solution, measurement Krafft temperature.These measuring results have been shown in the table 3.
Table 3
The Krafft temperature (℃) (Br=salt solution)
| At first | Finally | |
| 5% salt | ||
| 0.28 | 60 | 80 |
| 0.89 | 70 | 90 |
| 1.15 | 55 | 90 |
| 2.11 | 70 | 80 |
| 7% salt | ||
| 0.28 | 85 | 95 |
| 0.89 | 85 | 95 |
| 1.15 | 70 | 85 |
| 2.11 | 50 | 85 |
| 9% salt | ||
| 0.28 | ＞95 | ＞95 |
| 0.89 | ＞95 | ＞95 |
| 1.15 | 95 | 95 |
| 2.11 | 80 | 85 |
By analytical table 2 and 3 and look back Fig. 3,4 and 5 as can be seen, for selected system, the average side chain number of each molecule for 1 or the interfacial tension under best salinity and temperature condition that provides of about 2 times branching be lower than those that still less prop up catenary system, though under some isolated conditions, provide lower interfacial tension for about 0.9 time branching at the average side chain number of each molecule.Under most of condition, most of linear internal sulphonate as a comparison (the average side chain number of each molecule is 0.28) produces the highest interfacial tension.These results support the branching in the internal olefin sulfuric ester molecule can cause the argument of the improvement performance of enhanced oil recovery.Also find out in addition, the solubleness that branching trends towards slightly reducing the Krafft temperature and therefore increased tensio-active agent, this also is favourable in enhanced oil recovery.
According to this specification sheets, the further modification of many aspects of the present invention and alternate embodiment may be tangible for those skilled in the art.Therefore, this specification sheets should only be interpreted as illustrative and purpose is to instruct those skilled in the art to realize general fashion of the present invention.Should be understood that this paper shows and the form of the present invention described is considered to current preferred embodiment.Element and material can replace this paper explanation and describe those, parts and process can be conversely and some feature of the present invention can independent utility, those skilled in the art are after benefiting from of the present invention specification sheets, all these will be tangible.Under the condition of the spirit and scope of the present invention of in not departing from, describing, can change element described herein as claims.In addition, should understand in certain embodiments, can make up the feature of this paper independent description.
Claims (27)
1. method of handling hydrocarbon containing formation comprises:
Composition is provided at least a portion hydrocarbon containing formation, wherein said composition comprise average carbon number at least 15 and the average side chain number of each molecule be at least 0.8 branched internal olefins sulphonate; With
Allow the hydrocarbon phase mutual effect in described composition and the hydrocarbon containing formation.
2. the process of claim 1 wherein that the average side chain number of described each molecule is 0.8-3.
3. the method for claim 1-2, wherein the average carbon number of branched internal olefins sulphonate is 15-26.
4. the method for claim 1-2, wherein said average carbon number is 15-18.
5. the method for claim 1-2, wherein said average carbon number is 17-20.
6. the method for claim 1-2, wherein said average carbon number is 20-24.
7. the method for claim 1-6, wherein the average side chain number of each molecule on the branched internal olefins sulphonate is at least 1, is preferably at least 2.
8. the method for claim 1-7 wherein provides described composition to comprise at least a portion hydrocarbon containing formation and to make gather composition and at least a portion of at least a portion hydrocarbon remove the combination of fluids of hydrocarbon, can inject fluid to produce; Wherein the gather amount of composition of hydrocarbon is lower than the 0.5wt% that can inject fluid weight.
9. the method for claim 1-7 comprises in addition at least a portion hydrocarbon containing formation is carried out water drive, preferably comprises in addition:
Described composition being provided to the hydrocarbon containing formation, at least a portion hydrocarbon containing formation is carried out water drive; With
Allow described composition and at least a portion water and the mutual effect of at least a portion hydrocarbon phase, most preferably wherein interact the interfacial tension lowering between at least a portion water and at least a portion hydrocarbon to the value that is lower than 0.01 dynes per centimeter.
10. the method for claim 1-7, wherein at least a portion hydrocarbon containing formation contain water and wherein the salinity value of water be lower than 13,000ppm.
11. the method for claim 1-7 comprises that in addition the fluid that will remove hydrocarbon provides at least a portion hydrocarbon containing formation and the fluid that allows to remove hydrocarbon makes at least a portion hydrocarbon stream to recovery well.
12. the method for claim 1-7 comprises polymkeric substance is provided at least a portion hydrocarbon containing formation in addition.
13. a composition of producing by hydrocarbon containing formation, comprise hydrocarbon and average carbon number at least 15 and the average side chain number of each molecule be at least 0.8 branched internal olefins sulphonate.
14. the composition of claim 13, the average side chain number of wherein said each molecule is 0.8-3.
15. the composition of claim 13-14, wherein average carbon atom number is 15-26.
16. the composition of claim 13-14, wherein average carbon atom number is 15-18.
17. the composition of claim 13-14, wherein average carbon atom number is 17-20.
18. the composition of claim 13-14, wherein average carbon atom number is 20-24.
19. the composition of claim 13-18, the average side chain number of wherein said each molecule is at least 1, is preferably at least 2.
20. the composition of claim 13-19, wherein compositions of hydrocarbons comprises methane, water, carbon monoxide, bituminous matter, carbon number in addition and is lower than at least a in 10 hydrocarbon and the ammonia.
21. a branched internal olefins sulphonate, its average carbon number is at least 0.8 at least 15 with the average side chain number of each molecule.
22. the sulphonate of claim 21, the average side chain number of wherein said each molecule is 0.8-3.
23. the sulphonate of claim 21-22, the average side chain number of wherein said each molecule is at least 1, is preferably at least 2.
24. the sulphonate of claim 21-23, wherein average carbon atom number is 15-26.
25. the sulphonate of claim 21-23, wherein average carbon atom number is 15-18.
26. the sulphonate of claim 21-23, wherein average carbon atom number is 17-20.
27. the sulphonate of claim 21-23, wherein average carbon atom number is 20-24.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87132106P | 2006-12-21 | 2006-12-21 | |
| US60/871,321 | 2006-12-21 |
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| Publication Number | Publication Date |
|---|---|
| CN101589128A true CN101589128A (en) | 2009-11-25 |
Family
ID=39275147
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800505038A Pending CN101589128A (en) | 2006-12-21 | 2007-12-19 | Method and composition for enhanced hydrocarbons recovery |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2109649A1 (en) |
| CN (1) | CN101589128A (en) |
| CA (1) | CA2672632A1 (en) |
| MX (1) | MX2009006612A (en) |
| NO (1) | NO20092500L (en) |
| RU (1) | RU2009128031A (en) |
| WO (1) | WO2008079852A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762687A (en) * | 2010-02-12 | 2012-10-31 | 国际壳牌研究有限公司 | Method and composition for enhanced oil recovery |
| CN102762689A (en) * | 2010-02-12 | 2012-10-31 | 国际壳牌研究有限公司 | Method and composition for enhanced hydrocarbons recovery |
| CN102858907A (en) * | 2010-02-15 | 2013-01-02 | 国际壳牌研究有限公司 | Surfactant systems for enhanced oil recovery |
| CN103476901A (en) * | 2011-04-20 | 2013-12-25 | 国际壳牌研究有限公司 | Method and composition for enhanced hydrocarbon recovery |
| CN103781875A (en) * | 2011-08-31 | 2014-05-07 | 国际壳牌研究有限公司 | Composition and method for enhanced hydrocarbon recovery |
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|---|---|---|---|---|
| CA2758853C (en) | 2009-04-16 | 2017-09-19 | Shell Internationale Research Maatschappij B.V. | Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
| EA020900B1 (en) * | 2009-05-05 | 2015-02-27 | Стипэн Компани | Composition for recovering oil, process for recovering oil from oil bearing formation and sulfonated derivative of internal olefins |
| AP2012006610A0 (en) | 2010-05-22 | 2012-12-31 | Stepan Co | Sulfonated internal olefin surfactant for enhancedoil recovery |
| GB201113229D0 (en) * | 2011-08-01 | 2011-09-14 | Oilflow Solutions Holdings Ltd | Recovery of oil |
| EP3031878A1 (en) * | 2014-12-08 | 2016-06-15 | Shell Internationale Research Maatschappij B.V. | Internal olefin sulfonate composition and use thereof in enhanced oil recovery |
| EP4051756B1 (en) * | 2019-10-31 | 2023-11-15 | Chevron U.S.A. Inc. | Olefin sulfonates |
| WO2021087328A1 (en) * | 2019-10-31 | 2021-05-06 | Chevron U.S.A. Inc. | Olefin sulfonates |
| CN114761516A (en) * | 2019-10-31 | 2022-07-15 | 雪佛龙奥伦耐有限责任公司 | Olefin sulfonates |
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| JPS59173485A (en) * | 1983-03-19 | 1984-10-01 | ライオン株式会社 | Micelle solution for recovering petroleum |
| JPS59185286A (en) * | 1983-04-04 | 1984-10-20 | ライオン株式会社 | Recovery of petroleum |
| JPS61136577A (en) * | 1984-12-06 | 1986-06-24 | Lion Corp | Fluid for petroleum recovery |
| US4842065A (en) * | 1988-05-11 | 1989-06-27 | Marathon Oil Company | Oil recovery process employing cyclic wettability alteration |
| GB9711356D0 (en) * | 1997-05-30 | 1997-07-30 | Unilever Plc | Particulate detergent composition |
| US6765106B2 (en) * | 2001-02-15 | 2004-07-20 | Shell Oil Company | Process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant |
| US7055602B2 (en) * | 2003-03-11 | 2006-06-06 | Shell Oil Company | Method and composition for enhanced hydrocarbons recovery |
-
2007
- 2007-12-19 RU RU2009128031A patent/RU2009128031A/en not_active Application Discontinuation
- 2007-12-19 EP EP07869486A patent/EP2109649A1/en not_active Withdrawn
- 2007-12-19 MX MX2009006612A patent/MX2009006612A/en unknown
- 2007-12-19 CA CA002672632A patent/CA2672632A1/en not_active Abandoned
- 2007-12-19 CN CNA2007800505038A patent/CN101589128A/en active Pending
- 2007-12-19 WO PCT/US2007/088069 patent/WO2008079852A1/en active Application Filing
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762687A (en) * | 2010-02-12 | 2012-10-31 | 国际壳牌研究有限公司 | Method and composition for enhanced oil recovery |
| CN102762689A (en) * | 2010-02-12 | 2012-10-31 | 国际壳牌研究有限公司 | Method and composition for enhanced hydrocarbons recovery |
| US9284481B2 (en) | 2010-02-12 | 2016-03-15 | Shell Oil Company | Method and composition for enhanced oil recovery |
| CN102858907A (en) * | 2010-02-15 | 2013-01-02 | 国际壳牌研究有限公司 | Surfactant systems for enhanced oil recovery |
| CN103476901A (en) * | 2011-04-20 | 2013-12-25 | 国际壳牌研究有限公司 | Method and composition for enhanced hydrocarbon recovery |
| US9441148B2 (en) | 2011-04-20 | 2016-09-13 | Shell Oil Company | Method and composition for enhanced hydrocarbon recovery |
| CN103781875A (en) * | 2011-08-31 | 2014-05-07 | 国际壳牌研究有限公司 | Composition and method for enhanced hydrocarbon recovery |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009128031A (en) | 2011-01-27 |
| NO20092500L (en) | 2009-07-14 |
| MX2009006612A (en) | 2009-06-30 |
| EP2109649A1 (en) | 2009-10-21 |
| WO2008079852A1 (en) | 2008-07-03 |
| CA2672632A1 (en) | 2008-07-03 |
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