CN102690643A - Ternary complex composition for flooding and application thereof in tertiary oil recovery - Google Patents
Ternary complex composition for flooding and application thereof in tertiary oil recovery Download PDFInfo
- Publication number
- CN102690643A CN102690643A CN2012101592407A CN201210159240A CN102690643A CN 102690643 A CN102690643 A CN 102690643A CN 2012101592407 A CN2012101592407 A CN 2012101592407A CN 201210159240 A CN201210159240 A CN 201210159240A CN 102690643 A CN102690643 A CN 102690643A
- Authority
- CN
- China
- Prior art keywords
- compsn
- ternary composite
- displacing
- polymkeric substance
- composite oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to a ternary complex composition for flooding and application of the composition in tertiary oil recovery. The ternary complex composition for flooding is composed of the following components measured by total weight of the ternary complex composition for flooding: 0.05-0.3% of complex surfactants, 0.1-0.25% of polymers, 0.05-2.0% of alkaline matters and the balance of water; wherein the complex surfactants are composed of two kinds of hydroxysulfobetaine with different structures and a mass ratio of 9: 1-3: 7. The invention further provides the application of the ternary complex composition for flooding in tertiary oil recovery. Compared with the flooding composition utilizing erucylamide hydroxysulfobetaine simply, the ternary complex flooding composition system utilizing the complex surfactants provided by the invention has better effect of increasing recovery ratio.
Description
Technical field
The present invention relates to chemical combination combination flooding compsn used in a kind of TOR, particularly relate to a kind of ternary composite driving compsn and the application in TOR thereof, belong to technical field of petroleum extraction.
Background technology
Most widely used in the TOR at present is anionic and non-ionics, and heavy alkylbenzene sulfonate has been successfully applied to the grand celebration ternary composite driving, has created favorable economic benefit.But for domestic two or three types of oil reservoirs (high temperature, high salt, rate of permeation is lower and the oil reservoir of serious heterogeneity), reach about 85 ℃ like the temperature of Zhongyuan Oil Field part oil reservoir, salinity reaches 50000mg/L; Calcium, magnesium ion concentration reach 1000mg/L; With external many oil reservoirs than high salinity, as the temperature of the Ghawar oil field oil reservoir of Saudi Arabia up to 105 ℃ about, salinity is up to 250000mg/L; Calcium, magnesium ion concentration are up to 34000mg/L, and these two kinds of tensio-active agents are also inapplicable.The AS salt tolerance is poor, can under high salinity, salting-out phenomenon can take place; And nonionogenic tenside itself relies on hydrogen bond action and the hydration of oxyethyl group and water molecules, and along with the rising of temperature, hydrogen bond can rupture, and causes nonionogenic tenside to be separated out, and its poor stability in the stratum, and adsorptive capacity is higher; And during two kinds of surfactant compounds, can in the stratum, produce serious chromatographic separation effect again, synergistic effect is relatively poor.Therefore, as far as the high temperature and high salinity oil reservoir, research temperature resistant antisalt tensio-active agent is one of gordian technique that improves RF.
The zwitterionics zwitter-ion that ionization generates in the aqueous solution has sequestering action to metals ion; Saline-alkaline tolerance is strong, the performance of anti-polyvalent cation is good and micelle-forming concentration is low; Thereby for the oil reservoir of high salinity, high-temperature, amphoterics is important, as to have a potentiality research direction.At present, beet alkali surface activator is used in TOR to some extent, embodies good interface, emulsification and characteristic of solubilizing, but it is less relatively to have a correlative study report of beet alkali surface activator of temperature resistant antisalt performance.No. 2010101304082 Chinese invention patent applications (denomination of invention is " a kind of phosphinylidyne-containing amine group hydroxy sulfo lycine and preparation and application ") disclose a kind of novel beet bases zwitterionics; Wherein, Binary, the ternary displacement of reservoir oil that the erucicamide hydroxy sulfo lycine is formed all can reach ultra low interfacial tension with composition system; But the synthetic employing erucic acid of this trimethyl-glycine is a raw material; Its cost is very high, and the binary of processing as tensio-active agent with the erucicamide hydroxy sulfo lycine merely, the ternary displacement of reservoir oil go up after 1 hour with its IT of composition system to some extent, after 105 minutes, can not reach ultra low interfacial tension.
In sum, in order to satisfy the requirement of oil field to chemically composited technology of reservoir sweep, developing a kind of new complex oil displacing is one of this area problem demanding prompt solution with compsn.
Summary of the invention
For solving the problems of the technologies described above; The object of the present invention is to provide a kind of ternary composite oil-displacing to use compsn; This ternary composite oil-displacing adopts the complexed surfactant of two kinds of different composite formation of hydroxy sulfo lycine with compsn; When reaching ultra low interfacial tension, can reduce cost, overcome the defective that long-time rear interface tension force gos up.
For achieving the above object; The invention provides a kind of ternary composite oil-displacing and use compsn, in the gross weight of this ternary composite oil-displacing with compsn, it is grouped into by following one-tenth: complexed surfactant, 0.05%-0.3%; Polymkeric substance, 0.1%-0.25%; Alkaline matter, 0.05%-2.0%, all the other are water, wherein; Above-mentioned complexed surfactant comprises hydroxy sulfo lycine with the structure shown in the formula 1 and the hydroxy sulfo lycine with the structure shown in the formula 2, and the mass ratio of the two is 9: 1-3: 7;
In the formula 1, n is 17-21, and R is methyl or ethyl;
In the formula 2, R
1Be C
12-C
18Any one alkyl, R
2Be methyl or ethyl.
Be controlled in the above-mentioned scope through mass ratio, can obtain ultralow IT two kinds of hydroxy sulfo lycines.
Above-mentioned ternary composite oil-displacing provided by the invention with compsn in, preferably, the hydroxy sulfo lycine with the structure shown in the formula 1 is the erucicamide hydroxy sulfo lycine, structural formula is:
Hydroxy sulfo lycine with the structure shown in the formula 2 is a carbon tetradecyl dimethyl-hydroxy sulfo lycine, and structural formula is:
Above-mentioned ternary composite oil-displacing with compsn in, preferably, the mass percent of complexed surfactant is 0.1%-0.3%, the mass percent of polymkeric substance is 0.1%-0.2%, the mass percent of alkaline matter is 0.1%-1.0%; More preferably, the mass percent of complexed surfactant is 0.2%, and the mass percent of polymkeric substance is 0.2%, and the mass percent of alkaline matter is 0.2%.
Above-mentioned ternary composite oil-displacing with compsn in, preferably, in complexed surfactant, the mass ratio of two kinds of hydroxy sulfo lycines (preferred erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine) is 7: 3-5: 5; More preferably, above-mentioned mass ratio is 6: 4.
Above-mentioned ternary composite oil-displacing with compsn in; Preferably; The polymkeric substance that is adopted is water-soluble polyacrylamide polymkeric substance and/or star temperature resistant antisalt polymkeric substance etc.; The degree of hydrolysis of water-soluble polyacrylamide polymkeric substance can be 20%-30%, and the degree of hydrolysis of star temperature resistant antisalt polymkeric substance can be 1%-5%; More preferably, above-mentioned polymkeric substance is a star temperature resistant antisalt polymkeric substance, the star temperature resistant antisalt polymkeric substance that the embodiment 3 of for example No. 201010565501.6 Chinese invention patent applications provides.
Above-mentioned ternary composite oil-displacing with compsn in, preferably, the molecular weight of the polymkeric substance that is adopted is 3,000,000 to 3,500 ten thousand.
Above-mentioned ternary composite oil-displacing with compsn in; Preferably, the alkaline matter that is adopted comprises one or several the combination in sodium hydroxide, Pottasium Hydroxide, sodium hydrogencarbonate, yellow soda ash, water glass, sodium tetraborate, sodium phosphate, Trimethylamine 99 and the triethylamine etc.; More preferably, above-mentioned alkaline matter is yellow soda ash or sodium tetraborate etc.
Above-mentioned ternary composite oil-displacing with compsn in, preferably, the water that is adopted is that sewage, local water or clear water are injected in the oil field.The salinity of the water that the present invention adopted is preferably less than 200000mg/L.
In optimal technical scheme of the present invention, ternary composite oil-displacing can be 0.2% with the mass percent of the complexed surfactant in the compsn, and the mass percent of polymkeric substance can be 0.2%, and the mass percent of alkaline matter can be 0.2%, and surplus is a water; The mass ratio of erucicamide base hydroxy sulfo lycine in the complexed surfactant and carbon tetradecyl dimethyl-hydroxy sulfo lycine can be 6: 4, and polymkeric substance can be star temperature resistant antisalt polymkeric substance, and alkaline matter can be yellow soda ash or sodium tetraborate etc.
Above-mentioned ternary composite oil-displacing provided by the invention can prepare according to following steps with compsn:
Take by weighing the polymer dry powder of certain mass, the water configuration obtains polymer mother liquor, and slaking is after 24 hours; Complexed surfactant, alkaline matter and polymer mother liquor mixed preparing are obtained ternary composite oil-displacing use compsn.
The present invention also provides above-mentioned ternary composite oil-displacing with the application of compsn in TOR.Through adopting this ternary composite oil-displacing to use compsn, can obtain higher oil displacement efficiency.
Ternary composite oil-displacing provided by the invention adopts two kinds of composite formation complexed surfactants of different hydroxy sulfo lycines with compsn; Its interface performance surpass to adopt single hydroxy sulfo lycine as the displacement of reservoir oil of the tensio-active agent performance with compsn; Reached ultralow IT; Its IT still can maintain ultralow state after using the long time simultaneously, simultaneously, adopts ternary composite oil-displacing provided by the present invention can also reduce cost for oil production with compsn.
The rock core oil displacement experiment shows that the ternary composite oil-displacing of employing complexed surfactant provided by the present invention improves the better effects if of RF with compsn than the displacement of reservoir oil of simple erucicamide base hydroxy sulfo lycine with compsn.
Description of drawings
Fig. 1 is the IT test result figure among the embodiment 1.
Embodiment
To understand in order technical characterictic of the present invention, purpose and beneficial effect being had more clearly, technical scheme of the present invention is carried out following detailed description, but but can not be interpreted as qualification at present practical range of the present invention.
Present embodiment has carried out interface performance contrast test as the ternary composite oil-displacing of complexed surfactant with compsn with compsn and employing erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine as the displacement of reservoir oil of tensio-active agent to adopt carbon tetradecyl dimethyl-hydroxy sulfo lycine, erucicamide base hydroxy sulfo lycine; Wherein, the structure of above-mentioned erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine difference (hydroxy sulfo lycine of following examples is identical with the hydroxy sulfo lycine here) as follows:
Erucicamide base hydroxy sulfo lycine:
Carbon tetradecyl dimethyl-hydroxy sulfo lycine:
TP:
The employing salinity is the solution that the concentration of local water preparation carbon tetradecyl dimethyl-hydroxy sulfo lycine, star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention) and the yellow soda ash of 84000mg/L is 0.2wt%, obtains adopting carbon tetradecyl dimethyl-hydroxy sulfo lycine to use compsn as the displacement of reservoir oil of tensio-active agent;
The employing salinity is that the local water of 84000mg/L is prepared the solution that the concentration that contains erucicamide base hydroxy sulfo lycine, star temperature resistant antisalt polymkeric substance and yellow soda ash is 0.2wt%, obtains adopting erucicamide base hydroxy sulfo lycine to use compsn as the displacement of reservoir oil of tensio-active agent;
The employing salinity is that the local water preparation of 84000mg/L contains complexed surfactant (erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine; The two mass ratio is 7: 3), the solution of star temperature resistant antisalt polymkeric substance and yellow soda ash; Promptly adopt the ternary composite oil-displacing of complexed surfactant to use compsn, wherein, the concentration of complexed surfactant is 0.2wt%; The concentration of star temperature resistant antisalt polymkeric substance is 0.2wt%, and the concentration of yellow soda ash is 0.2wt%.
Utilize TX500C IT determinator to adopt the rotation method of dripping to test the IT of above-mentioned two kinds of displacement of reservoir oils with compsn; Probe temperature is 80 ℃; Rotating speed is 5000RPM; Test result is as shown in Figure 1, and wherein, the curve A representative adopts carbon tetradecyl dimethyl-hydroxy sulfo lycine to use compsn as the displacement of reservoir oil of tensio-active agent; On behalf of erucicamide base hydroxy sulfo lycine, curve B use compsn as the displacement of reservoir oil of tensio-active agent, and the curve C representative adopts erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine to use compsn as the ternary composite oil-displacing of complexed surfactant.
Can find out by Fig. 1, adopt carbon tetradecyl dimethyl-hydroxy sulfo lycine within 120 minutes, can not reach ultra low interfacial tension separately; Adopt the displacement of reservoir oil of erucicamide base hydroxy sulfo lycine to go up to some extent with compsn IT after 90 minutes separately, IT can not reach ultralow after 105 minutes; And ternary composite oil-displacing keeps ultralow with compsn not resilience of IT within 120 minutes always, and its IT is lower.Therefore; Adopt the problem of the ternary composite oil-displacing of the composite complexed surfactant of erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine with the long-time rear interface tension force rise of the independent employing erucicamide base of can overcoming of compsn hydroxy sulfo lycine; Also can solve independent employing carbon tetradecyl dimethyl-hydroxy sulfo lycine can't reach the problem of ultralow IT, interface performance is better.
The ratio optimization of embodiment 2 complexed surfactants
Present embodiment has carried out interface performance research to the complexed surfactant of forming by erucicamide base hydroxy sulfo lycine with carbon tetradecyl dimethyl-hydroxy sulfo lycine.Above-mentioned complexed surfactant is the erucicamide base hydroxy sulfo lycine and the carbon tetradecyl dimethyl-hydroxy sulfo lycine of different mass ratio.
Testing method: adopt the local water of salinity 84000mg/L and complexed surfactant, polymkeric substance, alkaline matter preparation to obtain the solution that complexed surfactant concentration is 0.2wt%; Wherein, polymkeric substance adopts star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention), and polymer concentration is 0.2wt%; Alkaline matter adopts yellow soda ash, and the concentration of alkaline matter is 0.2wt%.Utilize TX500C IT determinator to adopt rotation to drip the IT that method is tested above-mentioned solution, probe temperature is 80 ℃, and rotating speed is 5000RPM, and test result is as shown in table 1.
Table 1 formula system IT test result
| Erucicamide base hydroxy sulfo lycine: carbon tetradecyl dimethyl-hydroxy sulfo lycine | IT, mN/m |
| 9∶1 | 9.53×10 -3 |
| 8∶2 | 8.04×10 -3 |
| 7∶3 | 5.37×10 -3 |
| 6∶4 | 3.25×10 -3 |
| 5∶5 | 5.09×10 -3 |
| 4∶6 | 7.83×10 -3 |
| 3∶7 | 9.21×10 -3 |
Can find out by table 1, within the formula rate scope of listing, adopt the solution of complexed surfactant all can reach ultra low interfacial tension; And when erucicamide base hydroxy sulfo lycine: during carbon tetradecyl dimethyl-hydroxy sulfo lycine=6: 4, the IT value is minimum to be 3.25 * 10
-3MN/m; Therefore; When erucicamide base hydroxy sulfo lycine: when carbon tetradecyl dimethyl-hydroxy sulfo lycine is 6: 4; The interface performance that complexed surfactant provided is best, also can be best with the interface performance of compsn with the ternary composite oil-displacing that this complexed surfactant and polymkeric substance, alkaline matter prepare.
Present embodiment is tested with the viscosity of compsn the ternary composite oil-displacing that adopts complexed surfactant.
Testing method: adopting the local water of salinity 84000mg/L is solvent, and preparation alkaline matter/polymkeric substance/complexed surfactant ternary composite oil-displacing is used compsn, and wherein, alkaline matter adopts yellow soda ash, and concentration is 0.2wt%; Complexed surfactant is erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine, and the two mass ratio is 6: 4, and complexed surfactant concentration is 0.2wt%; Polymkeric substance adopts three kinds of different polymer respectively, and its physical and chemical index is as shown in table 2, and the concentration of polymkeric substance is 0.2wt%.Viscosity test adopts U.S. Brookfield LVDVII rotational viscosimeter to carry out, and 0# rotor, rotating speed are 6RPM, and probe temperature is 95 ℃, and experimental result is as shown in table 3, and viscosity unit is mPas.
Table 2 polymkeric substance physical and chemical index
Table 3 viscosity test result
| Ternary composite oil-displacing is used compsn | |
| |
8.5 |
| Polymkeric substance 2 | 8.0 |
| |
6.9 |
Can be found out that by table 3 three kinds of polymkeric substance contrasts adopt the ternary composite oil-displacing of star temperature resistant antisalt polymkeric substance the highest with the viscosity of compsn, the correlated performance of this explanation star temperature resistant antisalt polymkeric substance is better relatively.
The test of embodiment 4 interface performances
Present embodiment is tested with the interface performance of compsn the ternary composite oil-displacing that adopts complexed surfactant.
Testing method: adopting the local water of salinity 84000mg/L is solvent, and preparation alkaline matter/polymkeric substance/complexed surfactant (ASP) ternary composite oil-displacing is used compsn; Wherein, alkaline matter adopts sodium hydroxide, Pottasium Hydroxide, sodium hydrogencarbonate, yellow soda ash, water glass, sodium tetraborate, sodium phosphate, and concentration is 0.2wt%; Complexed surfactant is erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine, and the two mass ratio is 6: 4, and the concentration of complexed surfactant is 0.2wt%; Polymkeric substance adopts star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention), and concentration is 0.2wt%.Utilize TX500C IT determinator to adopt rotation to drip the IT that method is tested above-mentioned solution, probe temperature is 80 ℃, and rotating speed is 5000RPM, and experimental result is as shown in table 4.
Can find out that by table 4 when adopting different alkaline matters, ternary composite oil-displacing all can reach ultra low interfacial tension with compsn.Because there are problems such as formation damage and pipeline corrosion in highly basic in the ternary chemical displacement of reservoir oil; Therefore, preferably, ternary composite oil-displacing provided by the invention with compsn in; Alkaline matter adopts weakly alkaline material, for example yellow soda ash, water glass, sodium tetraborate, sodium phosphate etc.
Table 4 IT test result
| Alkaline matter | IT, mN/m |
| Sodium hydroxide | 5.61×10 -3 |
| Pottasium Hydroxide | 4.82×10 -3 |
| Sodium hydrogencarbonate | 6.29×10 -3 |
| Yellow soda ash | 3.07×10 -3 |
| Water glass | 7.13×10 -3 |
| Sodium tetraborate | 2.47×10 -3 |
| Sodium phosphate | 5.33×10 -3 |
The test of embodiment 5 emulsifying properties
Present embodiment is tested with the emulsifying property of compsn ternary composite oil-displacing.
Testing method: adopting the local water of salinity 84000mg/L is solvent; Preparation alkaline matter/polymkeric substance/complexed surfactant ternary composite oil-displacing is used compsn; Wherein, alkaline matter adopts yellow soda ash, water glass, sodium tetraborate, sodium phosphate, and concentration is 0.2wt%; Complexed surfactant is erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine, and the amount ratio of the two matter is 6: 4, and the concentration of complexed surfactant is 0.2wt%; Polymkeric substance adopts star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention), and concentration is 0.2wt%;
According to 1: 1 water oil ratio crude oil and above-mentioned ternary composite oil-displacing are mixed with compsn, pour in the air-tight bottle;
Adopt the reciprocating type isothermal vibration device of HZ-8812S water-bath, shook 6 hours, leave standstill and observe the system layering situation after 72 hours with the speed of 90rpm.Probe temperature is 80 ℃, and experimental result is as shown in table 5.
Can find out by table 5, use compsn, when adopting different types of weakly alkaline alkaline matter for the ternary composite oil-displacing of lower concentration; All there is middle phase micro-emulsified liquid in system; The ASP ternary composite oil-displacing of the sodium tetraborate that adopts is the highest with the middle phase micro-emulsified liquid proportion of compsn, is 18%, adopts the ASP ternary composite oil-displacing of yellow soda ash to take second place with compsn; Adopting the ASP ternary composite oil-displacing of sodium phosphate minimum with compsn middle phase micro-emulsified liquid proportion, is 9%; This moment, the profit system formed doubly-linked ideotype microemulsion, and the microemulsion type is the WinsorIII type.Middle phase micro-emulsified liquid has not only the peculiar property of can solubilisation oils but also can solubilising water; And and the IT between oil phase and water is extremely low, and middle phase micro-emulsified liquid proportion is high more, shows that the emulsifying capacity that complexed surfactant has is strong more; Therefore; Adopt the ASP ternary composite oil-displacing of sodium tetraborate the strongest, adopt the ASP ternary composite oil-displacing of yellow soda ash to take second place, adopt the ASP ternary composite oil-displacing of sodium phosphate the poorest with compsn with compsn with the emulsifying capacity of compsn.
Table 5 ternary composite oil-displacing is with the emulsifying property test result of compsn
| Alkaline matter | Yellow soda ash | Water glass | Sodium tetraborate | Sodium phosphate |
| Middle phase micro-emulsified liquid amasss content, % | 15 | 12 | 18 | 9 |
Interface performance test under the embodiment 6 Different Alkali concentration conditions
Present embodiment is tested with the interface performance of compsn the ternary composite oil-displacing under the Different Alkali concentration conditions.
Testing method: the local water that adopts salinity 84000mg/L is that solvent preparation alkaline matter/polymkeric substance/complexed surfactant ternary composite oil-displacing is used compsn, and wherein, alkaline matter adopts yellow soda ash, sodium tetraborate, and concentration is 0.2wt%-2.0wt%; Complexed surfactant is erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine, and the mass ratio of the two is 6: 4, and complexed surfactant concentration is 0.1-0.3wt%; Polymkeric substance adopts star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention), and concentration is 0.2wt%.Utilize TX500C IT determinator to adopt rotation to drip the IT that method is tested above-mentioned solution, probe temperature is 80 ℃, and rotating speed is 5000RPM, and experimental result is shown in table 6 and table 7, and wherein, the unit of IT is mN/m.
Can be found out that by table 6 and table 7 concentration of sodium carbonate is in the 0.2wt%-1.0wt% scope time, the ASP ternary composite oil-displacing all can reach ultra low interfacial tension with compsn; Sodium tetraborate concentration is in the 0.2wt%-1.5wt% scope time, and the ASP ternary composite oil-displacing all can reach ultra low interfacial tension with compsn.Can find out through contrast, adopt the ASP ternary composite oil-displacing of sodium tetraborate slightly more better than the ASP ternary composite oil-displacing that adopts yellow soda ash with the interface performance of compsn with the interface performance of compsn.
Table 6 adopts the IT test result of the ASP ternary composite oil-displacing of yellow soda ash with compsn
Table 7 adopts the IT test result of the ASP ternary composite oil-displacing of sodium tetraborate with compsn
The test of embodiment 7 oil displacement efficiencies
Present embodiment adopts the rock core oil displacement experiment that ternary composite oil-displacing is tested with the oil displacement efficiency of compsn.
The rock core oil displacement experiment carries out according to petroleum industry standard SY/T6424-2000 composite oil-displacing system performance test methods.Base program is: rock core is found time, and saturated local water-survey water phase permeability-saturated crude oil is made irreducible water-water drive to moisture 98%-injection chemical flooding slug (being that ternary composite oil-displacing is used compsn)-follow-up commentaries on classics local water and is driven to moisture 98%.
Experimental temperature is 90 ℃; Ternary composite oil-displacing with compsn in; The water that is adopted is the local water of salinity 84000mg/L; Table agent alive (tensio-active agent) 1 is a carbon tetradecyl dimethyl-hydroxy sulfo lycine, and table agent alive (tensio-active agent) 2 is an erucicamide base hydroxy sulfo lycine, and complexed surfactant is erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine; The mass ratio of the two is 6: 4, and polymkeric substance adopts star temperature resistant antisalt polymkeric substance (product of the embodiment 3 of No. 201010565501.6 applications for a patent for invention).Experimental result is as shown in table 8.
Table 8 oil displacement efficiency evaluation result
Can find out by table 8; Adopt simple single polymers system after water drive, further to improve RF and be merely 14.43%; Adopting the ASP ternary composite oil-displacing of carbon tetradecyl dimethyl-hydroxy sulfo lycine, polymkeric substance and yellow soda ash to use compsn to carry out improving RF after the water drive is 17.09%; Adopting the ASP ternary composite oil-displacing of erucicamide base hydroxy sulfo lycine, polymkeric substance and yellow soda ash to use compsn to carry out improving RF after the water drive is 19.64%; And the ASP ternary composite oil-displacing that adopts complexed surfactant, polymkeric substance and yellow soda ash carries out improving RF after the water drive with compsn and can reach 24.09%, and the ASP ternary composite oil-displacing that adopts complexed surfactant, polymkeric substance and sodium tetraborate carries out improving RF after the water drive with compsn can reach 25.24%.Therefore, ternary composite oil-displacing is higher than monobasic system with the oil displacement efficiency of compsn; Use composition system for the ASP ternary composite oil-displacing; Adopt complexed surfactant to improve the RF better effects if, adopt the ternary composite oil-displacing of complexed surfactant to have more advantage with compsn than simple carbon tetradecyl dimethyl-hydroxy sulfo lycine or erucicamide base hydroxy sulfo lycine; For improving the RF amplitude, adopt the ASP ternary composite oil-displacing of sodium tetraborate higher than the ASP ternary composite oil-displacing that adopts yellow soda ash with compsn with compsn.
Claims (11)
1. a ternary composite oil-displacing is used compsn, and in the gross weight of this ternary composite oil-displacing with compsn, it is grouped into by following one-tenth: complexed surfactant, 0.05%-0.3%; Polymkeric substance, 0.1%-0.25%; Alkaline matter, 0.05%-2.0%, all the other are water, wherein; Said complexed surfactant comprises hydroxy sulfo lycine with the structure shown in the formula 1 and the hydroxy sulfo lycine with the structure shown in the formula 2, and the mass ratio of the two is 9: 1-3: 7;
In the formula 1, n is 17-21, and R is methyl or ethyl;
In the formula 2, R
1Be C
12-C
18Any one alkyl, E
2Be methyl or ethyl.
2. ternary composite oil-displacing according to claim 1 is used compsn, and wherein, said hydroxy sulfo lycine with the structure shown in the formula 1 is the erucicamide hydroxy sulfo lycine, and structural formula is:
Said hydroxy sulfo lycine with the structure shown in the formula 2 is a carbon tetradecyl dimethyl-hydroxy sulfo lycine, and structural formula is:
3. ternary composite oil-displacing according to claim 1 and 2 is used compsn; Wherein, The mass percent of said complexed surfactant is 0.1%-0.3%, and the mass percent of said polymkeric substance is 0.1%-0.2%, and the mass percent of said alkaline matter is 0.1%-1.0%.
4. ternary composite oil-displacing according to claim 2 is used compsn, and wherein, the mass ratio of said erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine is 7: 3-5: 5.
5. ternary composite oil-displacing according to claim 1 is used compsn; Wherein, Said polymkeric substance is water-soluble polyacrylamide polymkeric substance and/or star temperature resistant antisalt polymkeric substance; The degree of hydrolysis of said water-soluble polyacrylamide polymkeric substance is 20%-30%, and the degree of hydrolysis of said star temperature resistant antisalt polymkeric substance is 1%-5%; Preferably, the molecular weight of said polymkeric substance is 3,000,000 to 35,000,000.
6. ternary composite oil-displacing according to claim 1 is used compsn; Wherein, said alkaline matter comprises one or several the combination in sodium hydroxide, Pottasium Hydroxide, sodium hydrogencarbonate, yellow soda ash, water glass, sodium tetraborate, sodium phosphate, Trimethylamine 99 and the triethylamine; Preferably, said alkaline matter is yellow soda ash or sodium tetraborate.
7. ternary composite oil-displacing according to claim 1 is used compsn, and wherein, said water is that sewage, local water or clear water are injected in the oil field, and the salinity of said water is less than 200000mg/L.
8. ternary composite oil-displacing according to claim 1 and 2 is used compsn, and wherein, the mass percent of said complexed surfactant is 0.2%, and the mass percent of said polymkeric substance is 0.2%, and the mass percent of said alkaline matter is 0.2%.
9. use compsn according to claim 2 or 4 described ternary composite oil-displacings, wherein, the mass ratio of said erucicamide base hydroxy sulfo lycine and carbon tetradecyl dimethyl-hydroxy sulfo lycine is 6: 4.
10. use compsn according to claim 1,4 or 7 described ternary composite oil-displacings, wherein, said polymkeric substance is a star temperature resistant antisalt polymkeric substance.
11. each described ternary composite oil-displacing of claim 1-10 is with the application of compsn in TOR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101592407A CN102690643B (en) | 2012-05-21 | 2012-05-21 | Ternary complex composition for flooding and application thereof in tertiary oil recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101592407A CN102690643B (en) | 2012-05-21 | 2012-05-21 | Ternary complex composition for flooding and application thereof in tertiary oil recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102690643A true CN102690643A (en) | 2012-09-26 |
| CN102690643B CN102690643B (en) | 2013-12-04 |
Family
ID=46856383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101592407A Active CN102690643B (en) | 2012-05-21 | 2012-05-21 | Ternary complex composition for flooding and application thereof in tertiary oil recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102690643B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566509A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Three-component compound flooding composition and application thereof to high-temperature and high-salinity reservoir |
| CN106566510A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Ternary combination flooding composition, and application thereof in chemical flooding |
| CN106566513A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Alkali-free binary compound flooding composition and application in chemical flooding |
| CN106566514A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Alkali-free binary complex flooding composition and application thereof in high-temperature and high-salinity oil reservoir |
| JP2019520439A (en) * | 2016-05-12 | 2019-07-18 | サウジ アラビアン オイル カンパニーＳａｕｄｉ Ａｒａｂｉａｎ Ｏｉｌ Ｃｏｍｐａｎｙ | High Temperature Viscoelastic Surfactant (VES) Fluids Containing Polymeric Viscosity Modifiers |
| US10844275B2 (en) | 2019-03-26 | 2020-11-24 | China University Of Petroleum (East China) | Method for oil displacement using dispersed particle gel-strengthened polymer ternary composite displacement system |
| CN116496767A (en) * | 2022-01-18 | 2023-07-28 | 中国石油化工股份有限公司 | Wetting agent and preparation method and application thereof |
| CN117603671A (en) * | 2023-11-30 | 2024-02-27 | 陕西铭锐石油科技有限公司 | Petroleum aid for improving petroleum recovery ratio and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6410671B1 (en) * | 1998-07-06 | 2002-06-25 | Institute Francais Du Petrole | Zwitterion derivative and application to aqueous suspension properties |
| CN101892040A (en) * | 2010-07-12 | 2010-11-24 | 孙安顺 | Wetting agent and application thereof in binary compound flooding tertiary oil recovery |
| CN101955448A (en) * | 2010-03-19 | 2011-01-26 | 中国石油天然气股份有限公司 | Amide group-containing hydroxysulfobetaine and preparation and application thereof |
-
2012
- 2012-05-21 CN CN2012101592407A patent/CN102690643B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6410671B1 (en) * | 1998-07-06 | 2002-06-25 | Institute Francais Du Petrole | Zwitterion derivative and application to aqueous suspension properties |
| CN101955448A (en) * | 2010-03-19 | 2011-01-26 | 中国石油天然气股份有限公司 | Amide group-containing hydroxysulfobetaine and preparation and application thereof |
| CN101892040A (en) * | 2010-07-12 | 2010-11-24 | 孙安顺 | Wetting agent and application thereof in binary compound flooding tertiary oil recovery |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019520439A (en) * | 2016-05-12 | 2019-07-18 | サウジ アラビアン オイル カンパニーＳａｕｄｉ Ａｒａｂｉａｎ Ｏｉｌ Ｃｏｍｐａｎｙ | High Temperature Viscoelastic Surfactant (VES) Fluids Containing Polymeric Viscosity Modifiers |
| JP7025348B2 (en) | 2016-05-12 | 2022-02-24 | サウジ アラビアン オイル カンパニー | High temperature viscoelastic surfactant (VES) fluid containing polymer viscosity modifier |
| CN106566509B (en) * | 2016-10-31 | 2019-07-09 | 中国石油天然气股份有限公司 | A kind of ternary composite driving composition and its application in high temperature and high salt oil deposit |
| CN106566514A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Alkali-free binary complex flooding composition and application thereof in high-temperature and high-salinity oil reservoir |
| CN106566513B (en) * | 2016-10-31 | 2019-07-09 | 中国石油天然气股份有限公司 | A kind of alkali-free binary combination flooding composition and its application in chemical flooding |
| CN106566510B (en) * | 2016-10-31 | 2019-07-09 | 中国石油天然气股份有限公司 | A kind of ternary composite driving composition and its application in chemical flooding |
| CN106566509A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Three-component compound flooding composition and application thereof to high-temperature and high-salinity reservoir |
| CN106566514B (en) * | 2016-10-31 | 2019-07-09 | 中国石油天然气股份有限公司 | A kind of alkali-free binary combination flooding composition and its application in high temperature and high salt oil deposit |
| CN106566513A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Alkali-free binary compound flooding composition and application in chemical flooding |
| CN106566510A (en) * | 2016-10-31 | 2017-04-19 | 中国石油天然气股份有限公司 | Ternary combination flooding composition, and application thereof in chemical flooding |
| US10844275B2 (en) | 2019-03-26 | 2020-11-24 | China University Of Petroleum (East China) | Method for oil displacement using dispersed particle gel-strengthened polymer ternary composite displacement system |
| CN116496767A (en) * | 2022-01-18 | 2023-07-28 | 中国石油化工股份有限公司 | Wetting agent and preparation method and application thereof |
| CN117603671A (en) * | 2023-11-30 | 2024-02-27 | 陕西铭锐石油科技有限公司 | Petroleum aid for improving petroleum recovery ratio and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102690643B (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102690643B (en) | Ternary complex composition for flooding and application thereof in tertiary oil recovery | |
| CN102690644B (en) | Binary alkali-free complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof | |
| CN102690642B (en) | Ternary complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof | |
| Tackie-Otoo et al. | Alternative chemical agents for alkalis, surfactants and polymers for enhanced oil recovery: Research trend and prospects | |
| Kamal et al. | Review on surfactant flooding: phase behavior, retention, IFT, and field applications | |
| CN102703049B (en) | Binary compound oil-flooding composition and application thereof in tertiary oil recovery | |
| CN102504794B (en) | Hydrophobically associating polymer and mixed surfactant binary compound oil displacement system | |
| Samanta et al. | Mobility control and enhanced oil recovery using partially hydrolysed polyacrylamide (PHPA) | |
| Chen et al. | Evaluation the performance of sodium metaborate as a novel alkali in alkali/surfactant/polymer flooding | |
| CN106590590A (en) | Oil displacement composition containing polyether carboxylate surfactant and preparation method thereof | |
| CN109135709B (en) | Viscosity-reducing oil displacement agent and oil displacement system suitable for heavy oil reservoir | |
| BR112020020356A2 (en) | METHOD FOR MOVING A HYDROCARBONET MATERIAL IN CONTACT WITH A SOLID MATERIAL, METHOD FOR REDUCING THE VISCOSITY OF A HYDROCARBONET MATERIAL, METHOD OF TRANSPORTING A HYDROCARBONET MATERIAL THROUGH A TUBE OF A TUBE , METHOD OF CONVERSION OF AN UNFINISHED PETROLEUM ACID INTO A SURFACTANT, METHOD FOR DISPLACING A BETUMINOUS MATERIAL IN CONTACT WITH SOLID MATERIAL BITUMINOUS AND METHOD OF TRANSPORTING A BITUMINOUS MATERIAL THROUGH A PIPE | |
| CN103820095B (en) | Hydroxy sulfo lycine viscoelastic surfactant and the application in tertiary oil recovery thereof | |
| CN103254883A (en) | Oil-displacing agent and oil-displacing method for enhancing recovery ratio of high-temperature, high-salinity and high-hardness reservoir crude oil | |
| CN106593373B (en) | The method that low cost improves oil recovery factor | |
| Ren et al. | Dynamic interfacial tension behavior of alkyl amino sulfonate in crude oil-brine system | |
| Sharifi et al. | A holistic review of harsh conditions resistant surfactants for enhanced oil recovery in dense carbonate reservoir | |
| Ibrahim et al. | Laboratory aspect of chemical EOR processes evaluation for Malaysian oilfields | |
| Deng et al. | Wettability alteration on carbonate rock by the mixture of the gemini surfactant and chelating agent | |
| Li et al. | Pilot test of surfactant/polymer flood with mixtures of anionic/cationic surfactants for high-temperature low-permeability sandstone reservoir | |
| Rad et al. | Green surfactant in oil recovery: Synthesis of a biocompatible surfactant and feasibility study of its application in foam-based enhanced oil recovery | |
| Saw et al. | Experimental investigation of the synergistic effect of two nonionic surfactants on interfacial properties and their application in enhanced oil recovery | |
| CN104449633B (en) | A kind of crude oil surfactant and its preparation method and application | |
| Novosad et al. | A study of surfactant flooding at high salinity and hardness | |
| CN103805154A (en) | Carboxyl glycine betaine viscoelastic surface active agent and application thereof in tertiary oil recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |