CN113185959A - Deformed high-temperature-resistant oil-soluble particle steam profile regulator, preparation method and application thereof - Google Patents
Deformed high-temperature-resistant oil-soluble particle steam profile regulator, preparation method and application thereof Download PDFInfo
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- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 5
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- C09K8/504—Compositions based on water or polar solvents
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- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
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Abstract
The invention relates to a deformed high-temperature-resistant oil-soluble particle steam profile regulator, a preparation method and application thereof, wherein the steam profile regulator comprises the following components in parts by mass: 25-35% of DCPD petroleum resin, 25-35% of terpene resin, 10-20% of rosin resin, 16-24% of elastomer material and 4-6% of surfactant. The softening point of the steam profile regulator of the deformation high-temperature resistant oil-soluble particles is more than 140 ℃ and is far higher than that of a single component. Along with the rise of temperature, the regulator gradually becomes soft or becomes high-viscosity fluid and can be firmly adsorbed in the high-steam-absorption section layer section, so that the high-steam-absorption section layer has the characteristics of high plugging strength and good scouring resistance. And the DCPD, terpene resin and rosin resin containing petroleum resin can be quickly dissolved by kerosene, diesel oil or light oil, and has the characteristic of quick unblocking. The oil-soluble polymer is oil-soluble, has much higher water-phase permeability than the oil phase, and has lower damage to the stratum.
Description
Technical Field
The invention relates to a deformed high-temperature-resistant oil-soluble particle steam profile regulator, a preparation method and application thereof, and belongs to the field of yield increase of oil and gas wells in the petroleum industry.
Background
The thick oil thermal recovery technology has been advanced for a long time since the discovery, and thermal recovery modes represented by steam huff and puff, steam flooding, steam assisted gravity SAGD, hot water flooding, in-situ oil burning, electromagnetic heating and the like are gradually formed. Wherein, the heavy oil exploitation mode in China mainly comprises steam huff and puff and steam flooding.
The steam huff and puff technology, also called as the circulating gas injection technology, is a circulating operation technology method for improving the recovery ratio by injecting high-temperature steam into a single well. The yield increase principle of the steam huff and puff mode is as follows: after the high-temperature steam carries heat to enter the underground, the initial viscosity of the thick oil is reduced, and the fluidity of the thick oil is increased; the impact effect of the high-temperature steam on the underground rock stratum can break the pollution of the drilling fluid at the edge of the shaft, and the plugging removal effect is achieved; the high-temperature steam can also play a role in reducing the surface tension of oil and water, reducing the flow resistance of thick oil and the like, and finally achieves the purpose of improving the yield under the synergistic effect of the above functions. According to relevant documents, 80% of the heavy oil recovery in China is completed by adopting a steam throughput technology, so that the steam throughput technology plays a vital role in the heavy oil recovery in China.
Because the crude oil viscosity of the oil reservoir is large, the flow performance is poor, the physical properties of the oil reservoir are greatly different longitudinally, the heterogeneous phenomenon in the oil reservoir is prominent, the exploitation well spacing is small, and the steam channeling phenomenon in the middle period stage is serious, so that the steam absorption profile is uneven and the steam utilization rate is reduced; therefore, the steam channeling is the main contradiction of development and production in the middle period under the steam huff and puff exploitation mode of the ultra-thick oil.
The steam profile adjusting technology adopts a chemical plugging agent or a mechanical means to plug the high-speed channels before steam enters a high-permeability layer or a stratum with strong steam absorption capacity, so as to inhibit the steam absorption capacity of the high-speed channels and forcibly absorb the steam of a medium-low permeability layer with less steam absorption, thereby achieving the purposes of adjusting the steam absorption profile, improving the oil reservoir utilization degree and improving the sweep efficiency. In order to increase the recovery efficiency of heavy oil reservoirs, profile control agents are injected to improve the formation structure and profile control is performed on steam entering the formation. The purposes of homogenizing the steam absorption capacity of the stratum and adjusting the water phase permeability are achieved.
The profile control agent of the steam profile adjusting technology is mainly solid particle type profile control agent which mainly comprises organic and inorganic particles, and the capability of entering pore channels and the capability of blocking the pore channels are mainly determined by the particle size of the solid particle type profile control agent. Organic particles in the solid particle profile control agent enter a large-pore path high-permeability layer to be bridged,the inorganic particles are filled to achieve the purpose of adjusting the steam profile. Aiming at the characteristics of heavy oil reservoirs in Henan, a solid particle high-temperature-resistant profile control agent is developed, and the profile control agent consists of causticized mud, a curing agent GS, a suspending agent X-88, a retarder X-168 and water. DKJ-II plugging agent is developed aiming at the problem of thickened oil exploitation by steam of the Shengli oil field. After testing dozens of formulas, the formula is finally determined. 5-20% of temperature sensitive activator, 40-80% of power plant fly ash, 1-5% of suspension dispersant and 12-40% of calcium-aluminum composite adjuvant. The Clarity oil field is used for testing the cement plugging agent aiming at the oil reservoir characteristics and the problems encountered in thermal recovery, and the formula of the screened better cement plugging agent is as follows: 20% G-grade cement, 0.6% NaCl, 2% JMH and 1% CaCl2+ 1% of OS + 0.6% of CH-II, wherein the inorganic gel JMH plays roles of suspension stabilization and delayed coagulation; the OS can reduce the filtration loss; GH-II has retarding effect, NaCl, CaCl2Plays a role in adjusting the strength of the solidified body. The study of bentonite cement slurry profile control agents was also conducted in the kramay field. The formula is as follows: 5% of bentonite, 0.4% of GH-I, 15% of G-grade cement, 0.8% of OS, 1% of JMH and 2% of JSF, wherein JMH plays a role in suspension stabilization and slow coagulation, JSF and OS play a role in fluid loss reduction, and GH-I plays a role in high-temperature slow coagulation. However, the above granular profile control agents have great damage to the stratum after being injected into the stratum, and the stratum can be blocked after being blocked, so that the blockage removal cannot be carried out.
Disclosure of Invention
The invention provides a deformed high-temperature-resistant oil-soluble particle steam profile regulator which is suitable for regulating a steam suction profile during high-temperature steam huff-puff exploitation of a heavy oil reservoir in order to solve the problem of steam channeling in the heavy oil reservoir in China and the problem of great damage to a stratum during plugging of the conventional plugging agent.
The regulator can effectively block a high-permeability layer, and has the characteristics of high blocking strength, good temperature resistance, scouring resistance, selective reduction of oil phase and water phase permeability, rapid blockage removal and low damage to the stratum.
The invention is realized by the following technical scheme:
a steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 25-35% of DCPD petroleum resin, 25-35% of terpene resin, 10-20% of rosin resin, 16-24% of elastomer material and 4-6% of surfactant.
According to the invention, the DCPD petroleum resin is preferably one or a mixture of more than two of D-5100 petroleum resin, D-5120 petroleum resin and D-5140 petroleum resin.
According to the invention, the terpene resin is preferably one or a mixture of more than two of T80 terpene resin, T90 terpene resin, T100 terpene resin, T110 terpene resin, T120 terpene resin, TF90 terpene resin and TF100 terpene resin.
According to the invention, the rosin resin is preferably one or a mixture of more than two of 138# rosin resin, 145# rosin resin, 210# rosin resin and DMER-145 rosin resin.
According to the invention, the elastomer material is preferably one or a mixture of more than two of modified polyurethane, TPE elastomer (1,1,2, 2-tetraphenylethylene), TPR elastomer and TPV elastomer.
According to the invention, the modified polyurethane is preferably acrylate modified polyurethane.
The acrylate modified polyurethane is prepared by a crosslinking mixing modification method, namely, a crosslinking agent is added into the prepared acrylate emulsion and polyurethane emulsion, and the mixture is mechanically stirred and uniformly mixed and undergoes a chemical crosslinking reaction. The modification method is a conventional method in the field, and the crosslinking agent is a common crosslinking agent for modification. The modification method of the modified polyurethane is carried out according to the conventional technology in the field.
According to the invention, the surfactant is preferably one or a mixture of more than two of hexadecyl trimethyl ammonium chloride, dimethyl benzyl dodecyl ammonium bromide, benzyl triethyl ammonium chloride, octadecyl trimethyl ammonium chloride and tetraethyl ammonium chloride.
The second purpose of the invention is to provide a preparation method of the deformed high-temperature-resistant oil-soluble particle steam profile regulator.
A preparation method of a deformed high-temperature-resistant oil-soluble particle steam profile regulator comprises the following steps:
step 1: carrying out air-blast drying on petroleum resin DCPD, terpene resin, rosin resin, an elastomer material and a surfactant at the temperature of 60-95 ℃ for 5-16 hours;
step 2: taking the raw materials dried in the step 1 according to the proportion, and adding the raw materials into a mixing roll to perform melt mixing for 10-25 minutes;
and step 3: after the mixing reaction is finished, the steam profile regulator of the deformed high-temperature resistant oil-soluble particles with different particle sizes can be prepared by extruding, cutting, cooling, granulating and screening.
According to the invention, the mixing temperature in the step 2 is preferably 170-220 ℃.
The third purpose of the invention is to provide an application of the deformed high-temperature-resistant oil-soluble particle steam profile regulator.
The application of the deformed high-temperature-resistant oil-soluble particle steam profile regulator is used for regulating a steam absorption profile during high-temperature steam huff-puff exploitation of a heavy oil reservoir, the consumption of the steam absorption profile regulator is 0.1-0.8 PV of the total pore volume of target treatment, and the steam absorption profile regulator is dispersed in a carrying fluid according to the mass concentration of 10-40% when in use.
Compared with the prior art, the deformed high-temperature-resistant oil-soluble particle steam profile regulator has the outstanding characteristics and excellent effects that:
1. the deformation high-temperature resistant oil-soluble particle steam profile regulator disclosed by the invention is good in temperature resistance, can selectively block an oil layer and a water layer, and can effectively block a high-steam-absorption layer section or a steam channeling channel.
2. The deformed high-temperature resistant oil-soluble particle steam profile regulator can be used for effectively removing blockage by using light oil, kerosene or diesel oil after plugging a stratum, and the maximum recovery rate of permeability is 92.86%.
3. The raw materials used in the modified high temperature resistant oil-soluble particle steam profile modifier are conventional and can be purchased from the market.
4. The softening point of the steam profile regulator of the deformation high-temperature resistant oil-soluble particles is more than 140 ℃ and is far higher than that of a single component. Along with the rise of temperature, the regulator gradually becomes soft or becomes high-viscosity fluid and can be firmly adsorbed in the high-steam-absorption section layer section, so that the high-steam-absorption section layer has the characteristics of high plugging strength and good scouring resistance. And the DCPD, terpene resin and rosin resin containing petroleum resin can be quickly dissolved by kerosene, diesel oil or light oil, so that it has the characteristic of quick unblocking. The oil-soluble polymer has much higher water-phase permeability than the oil-phase oil-soluble polymer, and therefore, the oil-soluble polymer has low damage to the stratum.
Drawings
FIG. 1 is a graph showing the tendency of oil phase permeability recovery rate at different flow-back amounts in an application example;
FIG. 2 is a graph showing the oil permeability at different temperatures in the experimental examples.
Detailed description of the preferred embodiments
The invention will be further illustrated with reference to the following figures and examples, without however restricting the scope of the invention thereto.
Example 1
A steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 30% of D-5120 petroleum resin, 30% of T110 terpene resin, 19% of No. 210 rosin resin, 16% of TPV elastomer and 5% of hexadecyl trimethyl ammonium chloride.
The preparation method comprises the following steps
Step 1: carrying out air-blast drying treatment on D-5120 petroleum resin, T110 terpene resin, No. 210 rosin resin, TPV elastomer and hexadecyl or octadecyl trimethyl ammonium chloride at the drying temperature of 80 ℃, wherein the air-blast drying time is 5 hours;
step 2: weighing the dried D-5120 petroleum resin, the dried T110 terpene resin, the dried 210# rosin resin, the dried TPV elastomer and the dried hexadecyl trimethyl ammonium chloride according to the mass ratio, adding the weighed materials into a mixing roll, stirring and heating the materials for 15min at the temperature of 170 plus one of 220 ℃, uniformly mixing the materials, extruding the materials by a screw, cutting the materials for extrusion, cooling and granulating the materials, and screening the materials to prepare the finished product of the deformed high-temperature-resistant oil-soluble particle steam profile regulator.
Example 2
A steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 35% of D-5140 petroleum resin, 25% of T120 terpene resin, 17% of DMER-145 rosin resin, 18% of TPE elastomer and 5% of octadecyl trimethyl ammonium chloride.
The preparation method is the same as example 1.
Example 3
A steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 30% of D-5130 petroleum resin, 30% of T100 terpene resin, 15% of 145# rosin resin, 21% of TPR elastomer material and 4% of hexadecyl trimethyl ammonium chloride.
The preparation method is the same as example 1.
Example 4
A steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 25% of D-5110 petroleum resin, 35% of T120 terpene resin, 12% of 138# rosin resin, 24% of modified polyurethane and 4% of octadecyl trimethyl ammonium chloride.
The preparation method is the same as example 1.
Application example:
1. softening point test
Taking the deformed high-temperature resistant oil-soluble particle steam profile modifier prepared in the examples 1 to 4, performing the measurement according to (GB-4507-:
TABLE 1 softening point tables for different formulations
2. Selective plugging Performance test
Taking the deformed high-temperature resistant oil-soluble particle steam profile regulator of example 2, weighing 10% of the deformed high-temperature resistant oil-soluble particle steam profile regulator by mass fraction, dispersing in 0.5% of sodium dodecyl benzene sulfonate and 0.5% of partially hydrolyzed polyacrylamide solution, and mixing to prepare stable suspension.
1) And (3) water plugging performance measurement: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the sand filling pipe for 1h, cooling, measuring the stable pressure by water drive, and calculating the water plugging efficiency;
2) and (3) measuring the channeling sealing performance: injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the saturated water sand filling pipe, and recording the stable pressure when the pressure is stable; displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the sand filling pipe for 1h, cooling, measuring stable pressure by water drive, and calculating the sealing channeling efficiency;
3) and (3) measuring the plugging performance of an oil layer: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; after the sand filling pipe is saturated with oil, displacing 0.5PV injection liquid, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the sand filling pipe for 1h, cooling the sand filling pipe, measuring the stable pressure by using the water drive, and calculating the channeling sealing efficiency;
the effect of the deformed high temperature resistant oil-soluble particle steam profile modifier on the plugging capability of steam, a water layer and an oil layer is shown in table 2.
TABLE 2 selective plugging Effect table
3. Test of plugging Strength
And (3) testing the plugging strength, wherein the testing comprises a scouring resistance strength test and the influence on the plugging performance under different injection quantities. Taking the deformed high-temperature resistant oil-soluble particle steam profile regulator of example 2, weighing 10% of the deformed high-temperature resistant oil-soluble particle steam profile regulator by mass fraction, dispersing in 0.5% of sodium dodecyl benzene sulfonate and 0.5% of partially hydrolyzed polyacrylamide solution, and mixing to prepare stable suspension.
1) And (3) testing the scouring resistance strength: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; and (3) displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the speed of 5mL/min for displacing the sand filling pipe for 1h at the temperature of 300 ℃, displacing 1PV, 2PV, 3PV, 5PV, 8PV, 10PV, 12PV and 15PV water after the sand filling pipe is cooled to the ground temperature, observing the pressure change, calculating the permeability, observing the permeability change before and after the water is removed, and calculating the plugging efficiency. The results of the test of the scouring resistance strength of the deformed high-temperature resistant oil-soluble particle steam profile modifier are shown in Table 3.
TABLE 3 table of results of erosion resistance test
2) And (3) testing the plugging performance under different injection quantities: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; and (3) displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the sand filling pipe for 1h, measuring the stable pressure of the sand filling pipe by water drive after the sand filling pipe is cooled to the ground temperature, calculating the permeability of the sand filling pipe, observing the change of the front and rear permeability, and calculating the plugging efficiency of the sand filling pipe. The plugging strength effect of the deformed high temperature resistant oil-soluble particle steam profile modifier under different injection amounts is shown in table 4.
Table 4 table of plugging strength effect under different injection amount
4. Temperature resistance test
And (4) testing temperature resistance, wherein the test comprises the influence of aging time and aging temperature on the plugging performance. Taking the deformed high-temperature resistant oil-soluble particle steam profile regulator of example 2, weighing 10% of the deformed high-temperature resistant oil-soluble particle steam profile regulator by mass fraction, dispersing in 0.5% of sodium dodecyl benzene sulfonate and 0.5% of partially hydrolyzed polyacrylamide solution, and mixing to prepare stable suspension.
1) The aging time has an influence on the plugging performance: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min to displace the sand filling pipe for 1h, taking out the sand filling pipe, and aging at the temperature of 150 ℃ for 6h, 12h, 18h, 24h, 48h and 72 h; and after the sand-filled pipe is cooled to the ground temperature, measuring the permeability of the sand-filled pipe by water drive, observing the change of the permeability before and after the sand-filled pipe is cooled to the ground temperature, and calculating the plugging efficiency of the sand-filled pipe. The effect of the aging time on the blocking performance of the deformed high-temperature-resistant oil-soluble particle steam profile modifier is shown in table 5.
TABLE 5 aging time influence results Table
2) The influence of aging temperature on plugging performance: displacing the core of saturated water by water at the oil reservoir temperature, and recording the stable pressure of the core to calculate the permeability of the sand-filled pipe; displacing 0.5PV injection liquid in the sand filling pipe, injecting water into the steam generator at the speed of 5mL/min at the temperature of 300 ℃ to displace the sand filling pipe for 1h, taking out the sand filling pipe, and aging at the temperature of 150 ℃, 200 ℃, 240 ℃, 270 ℃, 300 ℃ and 340 ℃ for 12 h; and after the sand-filled pipe is cooled to the ground temperature, measuring the permeability of the sand-filled pipe by water drive, observing the change of the permeability before and after the sand-filled pipe is cooled to the ground temperature, and calculating the plugging efficiency of the sand-filled pipe. The effect of the aging temperature on the blocking performance of the high temperature resistant oil-soluble particle steam profile modifier is shown in table 6.
TABLE 6 aging temperature influence results table
5. Unblocking performance test
And (4) a blockage removal performance test, which comprises the influence of the flow-back liquid amount and the displacement liquid temperature on the permeability recovery value. Taking the deformed high-temperature resistant oil-soluble particle steam profile regulator of example 2, weighing 10% of the deformed high-temperature resistant oil-soluble particle steam profile regulator by mass fraction, dispersing in 0.5% of sodium dodecyl benzene sulfonate and 0.5% of partially hydrolyzed polyacrylamide solution, and mixing to prepare stable suspension.
1) Effect of flow-back fluid volume on Permeability recovery
Displacing the sand filling pipe of saturated water by using kerosene at the oil reservoir temperature, recording the stable pressure of the sand filling pipe, and calculating the oil phase permeability of the sand filling pipe; and (2) reversely filling the sand filling pipe with the injection liquid for displacing 0.5PV, injecting water into the steam generator at the temperature of 300 ℃ at the speed of 5mL/min for displacing the sand filling pipe for 1h, positively displacing enough kerosene after the sand filling pipe is cooled to the ground temperature, recording the stable pressure when the flow rates of the return flow are respectively 10PV, 20PV, 30PV, 50PV, 70PV and 100PV, calculating the oil phase permeability of the kerosene, and calculating the permeability recovery value (see figure 1).
The results of the blockage removal performance test of the flow-back liquid amount on the deformed high-temperature-resistant oil-soluble particle steam profile modifier are shown in Table 7.
TABLE 7 oil phase permeability recovery results at different flow rates
2) Effect of kerosene temperature on Permeability recovery
Displacing the sand filling pipe of saturated water by using kerosene at the oil reservoir temperature, recording the stable pressure of the sand filling pipe, and calculating the oil phase permeability of the sand filling pipe; and (2) reversely filling the injection liquid which tends to displace 0.5PV in the sand filling pipe, injecting water into the steam generator at the speed of 5mL/min for displacing the sand filling pipe for 1h at the temperature of 300 ℃, positively displacing the sand filling pipe with kerosene at the temperatures of 60 ℃, 80 ℃, 100 ℃ and 120 ℃ after the sand filling pipe is cooled to the ground temperature, recording the stable pressure when the return discharge is respectively 10PV, calculating the oil phase permeability of the oil phase, and calculating the permeability recovery value (see figure 2).
The results of the testing of the unblocking performance of the kerosene temperature-deformation-resistant high-temperature-resistant oil-soluble particle steam profile modifier are shown in table 8.
TABLE 8 permeability recovery results for different kerosene temperatures
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A steam profile regulator of deformation high-temperature-resistant oil-soluble particles comprises the following components in parts by mass: 25-35% of DCPD petroleum resin, 25-35% of terpene resin, 10-20% of rosin resin, 16-24% of elastomer material and 4-6% of surfactant.
2. The deformed high-temperature-resistant oil-soluble granular vapor profile modifier as claimed in claim 1, wherein the DCPD petroleum resin is one or a mixture of two or more of D-5100 petroleum resin, D-5120 petroleum resin and D-5140 petroleum resin.
3. The modified high temperature resistant oil-soluble pellet steam profile modifier of claim 1, wherein the terpene resin is one or a mixture of two or more of T80 terpene resin, T90 terpene resin, T100 terpene resin, T110 terpene resin, T120 terpene resin, TF90 terpene resin and TF100 terpene resin.
4. The steam profile control agent of the deformed high-temperature-resistant oil-soluble particle as claimed in claim 1, wherein the rosin resin is one or a mixture of two or more of 138# rosin resin, 145# rosin resin, 210# rosin resin and DMER-145 rosin resin.
5. The steam profile modifier of claim 1, wherein the elastomer material is one or a mixture of two or more of modified polyurethane, TPE elastomer (1,1,2, 2-tetraphenylethylene), TPR elastomer, and TPV elastomer.
6. The modified high temperature resistant oil-soluble particle steam profile modifier of claim 5, wherein the modified polyurethane is an acrylate modified polyurethane.
7. The steam profile modifier of the deformed high-temperature-resistant oil-soluble particles as claimed in claim 1, wherein the surfactant is one or a mixture of more than two of cetyltrimethylammonium chloride, dimethylbenzyldidodecylammonium bromide, benzyltriethylammonium chloride, octadecyltrimethylammonium chloride and tetraethylammonium chloride.
8. A preparation method of a deformed high-temperature-resistant oil-soluble particle steam profile regulator comprises the following steps:
step 1: carrying out air-blast drying on petroleum resin DCPD, terpene resin, rosin resin, an elastomer material and a surfactant at the temperature of 60-95 ℃ for 5-16 hours;
step 2: taking the raw materials dried in the step 1 according to the proportion, and adding the raw materials into a mixing roll to perform melt mixing for 10-25 minutes;
and step 3: after the mixing reaction is finished, the steam profile regulator of the deformed high-temperature resistant oil-soluble particles with different particle sizes can be prepared by extruding, cutting, cooling, granulating and screening.
9. The method according to claim 8, wherein the kneading temperature in the step 2 is 170 to 220 ℃.
10. The application of the deformed high-temperature-resistant oil-soluble particle steam profile regulator is used for regulating a steam absorption profile during high-temperature steam huff-puff exploitation of a heavy oil reservoir, the consumption of the steam absorption profile regulator is 0.1-0.8 PV of the total pore volume of target treatment, and the steam absorption profile regulator is dispersed in a carrying fluid according to the mass concentration of 10-40% when in use.
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