CN114774095A - Foam scrubbing agent composition and preparation method and application thereof - Google Patents
Foam scrubbing agent composition and preparation method and application thereof Download PDFInfo
- Publication number
- CN114774095A CN114774095A CN202210373735.3A CN202210373735A CN114774095A CN 114774095 A CN114774095 A CN 114774095A CN 202210373735 A CN202210373735 A CN 202210373735A CN 114774095 A CN114774095 A CN 114774095A
- Authority
- CN
- China
- Prior art keywords
- foam
- rice hull
- derived carbon
- agent composition
- carbon particles
- 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
- 239000006260 foam Substances 0.000 title claims abstract description 88
- 239000000203 mixture Substances 0.000 title claims abstract description 43
- 238000005201 scrubbing Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 241000209094 Oryza Species 0.000 claims abstract description 78
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 78
- 235000009566 rice Nutrition 0.000 claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 62
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical group C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002245 particle Substances 0.000 claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 47
- 229960003237 betaine Drugs 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 239000004088 foaming agent Substances 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002343 natural gas well Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- -1 carboxyl betaine Chemical compound 0.000 claims description 15
- PSBDWGZCVUAZQS-UHFFFAOYSA-N (dimethylsulfonio)acetate Chemical compound C[S+](C)CC([O-])=O PSBDWGZCVUAZQS-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 229940117986 sulfobetaine Drugs 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000005051 trimethylchlorosilane Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical group C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims 3
- 238000001291 vacuum drying Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 15
- 238000005187 foaming Methods 0.000 abstract description 10
- 239000002253 acid Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000033558 biomineral tissue development Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 229920000570 polyether Polymers 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 239000003345 natural gas Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000002280 amphoteric surfactant Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000008398 formation water Substances 0.000 description 4
- 239000010903 husk Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000003209 petroleum derivative Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- ZUHZZVMEUAUWHY-UHFFFAOYSA-N n,n-dimethylpropan-1-amine Chemical compound CCCN(C)C ZUHZZVMEUAUWHY-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/602—Compositions for stimulating production by acting on the underground formation containing surfactants
- C09K8/604—Polymeric surfactants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
A foam scrubbing agent composition, a preparation method and an application thereof are disclosed, wherein the foam scrubbing agent composition is prepared from the following components in parts by weight: 1 part of foaming agent, 0.01-10 parts of foam stabilizer and the balance of water, wherein the foaming agent is betaine surfactant, and the foam stabilizer is rice hull derived carbon particles; the betaine surfactant contained in the foam scrubbing agent composition disclosed by the invention contains functional groups such as polyether and the like, so that the foam scrubbing agent composition has the properties of acid resistance and salt resistance, and has higher foaming volume and half-life period, and the foam scrubbing agent composition is suitable for a gas well foam scrubbing process under the harsh conditions such as acid gas containing and high mineralization degree; and the contained rice hull derived carbon particles have good foam stabilizing performance, so that the half-life period of foam is obviously slowed down in application, and the action time and effect of foam liquid drainage are improved. In addition, the invention can be suitable for harsh conditions of high mineralization, acid gas and the like, and can be used as a foam stabilizer for foam drainage of natural gas wells of oil and gas fields.
Description
Technical Field
The invention relates to the technical field of oil and gas field development engineering, in particular to a foam scrubbing agent composition and a preparation method and application thereof.
Background
With the continuous development of the natural gas field, formation water can continuously flow into the natural gas well to form gas-water two-phase flow, the fluid flow energy loss is aggravated, the gas output capacity is weakened, and the yield is greatly reduced. In addition, due to the physical barrier effect of formation water around the natural gas well on natural gas, a large amount of gas hydrocarbon in the formation cannot be produced smoothly, namely the so-called water lock effect. Researches and practices prove that the drainage gas production technology is an effective means for guaranteeing the continuous production of gas wells, wherein the foam drainage technology is the most widely applied drainage gas production technology at present due to the reasons of simple process, quick response, low cost and the like.
The key of the foam liquid discharging technology is to select a foam discharging agent system with excellent performance, and the foam discharging agent is a composition containing multiple components such as a foaming agent, a foam stabilizer and the like. As the foaming agent, a surfactant, for example, an anionic surfactant, a nonionic surfactant, a cationic surfactant, an amphoteric surfactant and the like is generally used. The anionic surfactant has excellent foaming performance, but is greatly influenced by the mineralization of formation water and high-valence metal ions; nonionic surfactants are less affected by formation water mineralization, but due to the so-called cloud point problem, temperature resistance may be problematic; part of the cationic surfactants have certain biological toxicity and are not green enough. The amphoteric surfactant is green and environment-friendly, and has good foaming capacity in an acid gas well environment. More amphoteric surfactants are used as betaine surfactants, so that the betaine amphoteric surfactant has remarkable green and environment-friendly characteristics, can further improve the water solubility and salt tolerance of the betaine amphoteric surfactant, and can introduce ether bond and other groups into the molecular structure of the betaine amphoteric surfactant.
In the foam drainage process of the prior art, a foaming agent is usually used in combination with a foam stabilizer. The existing research and field experience show that the nano particles with certain specific wetting can effectively improve the foam systemStability of (2). The nano particles can be dispersed and adsorbed on a gas-liquid interface in the foam generation process to form a compact adsorption film, so that the coalescence and disproportionation processes among bubbles are prevented, and the stability of the foam is effectively improved. At present, SiO is often adopted2、ZnO、CaCO3And nanoparticles such as graphite, and the nanoparticles are rendered to have a certain hydrophobic morphology by a surface modification method. However, surface-modified SiO2The preparation process of the nano-particles is complicated and the cost is high.
Therefore, it is necessary to find a micron-sized foam stabilizer with easily available raw materials, batch preparation, low cost and excellent foam stabilizing performance.
Disclosure of Invention
Based on the technical scheme, the invention provides a foam scrubbing agent composition, and a preparation method and application thereof, so as to solve the technical problems in the prior art.
In order to achieve the purpose, the invention provides a foam scrubbing agent composition which is prepared from the following components in parts by weight: 1 part of foaming agent, 0.01-10 parts of foam stabilizer and the balance of water, wherein the foaming agent is betaine surfactant, and the foam stabilizer is rice hull derived carbon particles.
As a further preferred technical scheme of the invention, the molecular general formula of the betaine surfactant is one or more of carboxyl betaine or sulfobetaine:
wherein, in the carboxybetaine, x is 11-26, and n is 1-20; in sulfobetaine, x is 11-26, and n is 1-20.
As a further preferable technical scheme of the invention, the grain diameter of the rice hull derived carbon particles is 5-150 μm.
According to another aspect of the present invention, the present invention also provides a preparation method of the foam scrubbing agent composition described in any one of the above, comprising the following steps:
(1) applying the air-dried rice hulls to N2Heating to 500-750 ℃ under the protection condition, andcalcining at the constant temperature of 500-750 ℃ for 2-5 hours, and cooling to obtain rice hull derived carbon;
(2) crushing rice hull derived carbon to obtain rice hull derived carbon powder;
(3) soaking the rice hull derived carbon powder in 0.05-0.1mol/L ethanol solution of trimethylchlorosilane for 1-2 hours, and drying in vacuum at the temperature of 60-80 ℃ for 3-5 hours to obtain rice hull derived carbon particles;
(4) and (3) uniformly mixing the obtained rice hull derived carbon particles and a betaine surfactant by adding water to obtain the foam scrubbing agent composition.
As a further preferable embodiment of the present invention, the calcination in step (1) is carried out in a tubular furnace.
As a further preferable embodiment of the present invention, the device for carrying out the pulverization in the step (2) is a ball mill.
As a further preferable embodiment of the present invention, in the step (2), the ball milling parameters using a ball mill are set as follows: the diameter of the small steel balls is 6.35mm, and the number of the small steel balls is 14; the diameter of the large steel balls is 9.5mm, and the number of the large steel balls is 8; the ball milling rotation frequency is 300Hz, and the time is 10-30 minutes.
According to a further aspect of the invention, the invention also provides a use of the foam discharging agent composition, wherein the foam discharging agent composition is applied to a natural gas well with a pH value of 3-7 to realize foam discharging.
The foam scrubbing agent composition, the preparation method and the application thereof can achieve the following beneficial effects by adopting the technical scheme:
1) the betaine surfactant contained in the foam scrubbing agent composition comprises functional groups such as polyether and the like, so that the foam scrubbing agent composition has the properties of acid resistance and salt resistance, and has higher foaming volume and half-life period, and the foam scrubbing agent composition can be suitable for a gas well foam scrubbing process under the harsh conditions such as acid gas containing, high mineralization and the like; the rice hull derived carbon particles have good foam stabilizing performance, so that the half-life period of foam is obviously slowed down in application, and the action time and effect of foam liquid drainage are improved;
2) the foam scrubbing agent composition has the advantages of simple preparation process, low cost, green and environment-friendly components, convenient preparation and contribution to popularization;
3) the foam scrubbing agent composition is prepared by adopting the process and the components (including the rice hull derived carbon particles and the betaine surfactant), so that the foam scrubbing agent composition can be suitable for severe conditions such as high salinity, acid gas and the like, and can be used as a foam stabilizer for foam scrubbing of natural gas wells of oil and gas fields.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic illustration of the mechanism of synergistic foam stabilization of betaine surfactant and rice hull derived carbon particles;
FIG. 2 is a stability test result of foam system of foam scrubbing agent composition in application.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for descriptive purposes only and are not intended to limit the scope of the present invention, and the relative relationships thereof may be changed or modified without substantial change in technical content.
The invention provides a foam scrubbing agent composition, a preparation method and application thereof. The reason for selecting the rice hull-derived carbon particles is that China is a big agricultural country, grain processing factories in various places can produce a large amount of rice hulls while producing rice, and meanwhile, the rice hulls have natural small-size characteristics, preprocessing procedures such as crushing are not needed, the operation procedures are simple, and large-scale treatment and production are facilitated. As a byproduct of agricultural product processing, the method can fully utilize resources, increase the economic value of the agricultural product, has extraordinary natural significance to environment, society and agricultural practitioners, and is beneficial to the nation and the people. The preparation of the rice hull derived carbon particle foam stabilizer comprises the processes of rice hull carbonization, crushing, silanization hydrophobic modification and the like. The foaming agent adopts betaine surfactant which is carboxyl betaine and sulfobetaine, wherein the carboxyl betaine is called alkyl polyoxyethylene ether amide propyl dimethylammonium carboxyl betaine, and the sulfobetaine is called alkyl polyoxyethylene ether amide propyl dimethylammonium hydroxy sulfobetaine.
In order to make those skilled in the art further understand the technical solution of the present invention, the technical solution of the present invention is further described in detail by the following specific embodiments.
Example 1
Weighing carboxyl betaine (x is 11, n is 6) at normal temperature and normal pressure to prepare 0.5% carboxyl betaine solution, adding the rice hull derived carbon particles according to the mass ratio of 50:1 of carboxyl betaine to the rice hull derived carbon particles, and uniformly mixing to obtain the foam scrubbing agent composition.
The rice hull derived carbon particles of this example were prepared: placing the naturally air-dried rice husk into a tube furnace in N2Heating (heating rate 10 ℃/min) to 700 ℃ under the protection condition, then calcining at the constant temperature of 700 ℃ for 2 hours, and naturally cooling to obtain the rice hull biochar; putting the rice hull biochar into a ball mill (containing 14 small steel balls with the diameter of 6.35mm and 8 large steel balls with the diameter of 9.5 mm), and uniformly crushing for 30 minutes under the condition of 300Hz to obtain rice hull derived carbon powder with the particle size of 30 mu m; and then soaking the rice hull derived carbon powder in 0.1mol/L ethanol solution of trimethylchlorosilane for 2 hours, and then drying in vacuum at the temperature of 80 ℃ for 4 hours to obtain rice hull derived carbon particles.
According to a foaming agent evaluation program for drilling fluid SY/T5350-2009 in the oil and natural gas industry standard, evaluation of the foaming volume and the half-life period of the foam discharging agent composition prepared in the embodiment is carried out, namely, a Waring Blender method is adopted, 100mL of the prepared foam discharging agent composition is stirred for 3min at 8000 revolutions per minute, and a foam system can be obtained, and the obtained experimental data are shown in Table 1.
Example 2
Weighing carboxyl betaine (x is 13, n is 8) at normal temperature and normal pressure to prepare 0.5% carboxyl betaine solution, adding the rice hull derived carbon particles according to the mass ratio of the carboxyl betaine to the rice hull derived carbon particles of 10:1, and uniformly mixing to obtain the foam scrubbing agent composition.
The method of making rice hull derived carbon particles of this example: placing the naturally air-dried rice husk into a tube furnace in N2Heating (heating rate is 10 ℃/min) to 700 ℃ under the protection condition, then calcining for 2 hours at the constant temperature of 700 ℃, and naturally cooling to obtain the rice hull biochar; putting the rice hull biochar into a ball mill (containing 14 small steel balls with the diameter of 6.35mm and 8 large steel balls with the diameter of 9.5 mm), and uniformly crushing for 25 minutes under the condition of 300Hz to obtain rice hull derived carbon powder with the particle size of 38 mu m; soaking the rice hull derived carbon powder in 0.1mol/L ethanol solution of trimethylchlorosilane for 2 hours, and then drying the rice hull derived carbon powder in vacuum at the temperature of 80 ℃ for 4 hours to obtain rice hull derived carbon particles.
According to a petroleum and natural gas industry standard 'foaming agent evaluation program for drilling fluid' SY/T5350-.
Example 3
Under the conditions of normal temperature and normal pressure, weighing carboxyl betaine (x is 15, and n is 10) to prepare a 0.5% carboxyl betaine solution, adding rice hull derived carbon particles according to the mass ratio of 5:1 of the carboxyl betaine to the rice hull derived carbon particles, and uniformly mixing to obtain the foam scrubbing agent composition.
The method of making rice hull derived carbon particles of this example: placing the naturally air-dried rice husk into a tube furnace in N2Heating (heating rate 10 ℃/min) to 700 ℃ under the protection condition, then calcining at the constant temperature of 700 ℃ for 2 hours, and naturally cooling to obtain the rice hull biochar; placing the rice hull biochar in a ball mill (containing 14 small steel balls with the diameter of 6.35mm and 8 large steel balls with the diameter of 9.5 mm), and uniformly crushing for 25 minutes under the condition of 300Hz to obtain rice hull derived carbon with the particle size of 38 mu mPowder; soaking the rice hull derived carbon powder in 0.1mol/L ethanol solution of trimethylchlorosilane for 2 hours, and then drying the rice hull derived carbon powder in vacuum at the temperature of 80 ℃ for 4 hours to obtain rice hull derived carbon particles.
According to a petroleum and natural gas industry standard 'foaming agent evaluation program for drilling fluid' SY/T5350-.
Example 4
Under the conditions of normal temperature and normal pressure, sulfobetaine (x is 15, and n is 10) is weighed to prepare sulfobetaine solution with the concentration of 0.5%, rice hull derived carbon particles are added according to the mass ratio of the sulfobetaine to the rice hull derived carbon particles of 5:1, and the mixture is uniformly mixed to obtain the foam scrubbing agent composition.
The method of making rice hull derived carbon particles of this example: placing the naturally air-dried rice husk into a tube furnace in N2Heating (heating rate is 10 ℃/min) to 700 ℃ under the protection condition, then calcining for 2 hours at the constant temperature of 700 ℃, and naturally cooling to obtain the rice hull biochar; putting the rice hull biochar into a ball mill (containing 14 small steel balls with the diameter of 6.35mm and 8 large steel balls with the diameter of 9.5 mm), and uniformly crushing for 25 minutes under the condition of 300Hz to obtain rice hull derived carbon powder with the particle size of 38 mu m; soaking the rice hull derived carbon powder in 0.1mol/L ethanol solution of trimethylchlorosilane for 2 hours, and then drying the rice hull derived carbon powder in vacuum at the temperature of 80 ℃ for 4 hours to obtain rice hull derived carbon particles.
According to a petroleum and natural gas industry standard 'foaming agent evaluation program for drilling fluid' SY/T5350-.
Comparative example 1
As comparative sample 1, carboxybetaine (x 13, n 8) was weighed and dissolved in clear water at room temperature under normal pressure to prepare a 0.5% carboxybetaine aqueous solution without rice hull-derived carbon particles.
According to the 'evaluation program of foaming agent for drilling fluid' SY/T5350-one 2009 in the oil and natural gas industry standard, the foaming volume and half-life period of the carboxyl betaine aqueous solution prepared in the example are evaluated, namely, the prepared 100mL foam remover composition is stirred for 3min at 8000 revolutions per minute by adopting a Waring Blender method, and a foam system can be obtained, wherein the obtained experimental data are shown in Table 1.
Comparative example 2
Sulfobetaine (x 15, n 10) was weighed and dissolved in clear water under normal temperature and pressure to prepare a 0.5% sulfobetaine aqueous solution, to which no rice hull-derived carbon particles were added, as comparative sample 2.
According to the 'evaluation program of foaming agent for drilling fluid' SY/T5350-one 2009 in the oil and natural gas industry standard, the foaming volume and half-life period of the carboxyl betaine aqueous solution prepared in the example are evaluated, namely, the prepared 100mL foam remover composition is stirred for 3min at 8000 revolutions per minute by adopting a Waring Blender method, and a foam system can be obtained, wherein the obtained experimental data are shown in Table 1.
TABLE 1 foam Properties of the products prepared in examples 1-4 and comparative examples 1-2
| Foam system | Betaine/% | Carbon particle/%) | Carbon particle diameter/. mu.m | Bubbling volume/mL | Half life/min |
| Example 1 | 0.5 | 0.01 | 30 | 413 | 12 |
| Example 2 | 0.5 | 0.05 | 38 | 422 | 15 |
| Example 3 | 0.5 | 0.10 | 38 | 435 | 17 |
| Example 4 | 0.5 | 0.10 | 38 | 433 | 16 |
| Comparative example 1 | 0.5 | 0 | / | 395 | 7 |
| Comparative example 2 | 0.5 | 0 | / | 391 | 6 |
As can be seen from the data in table 1, compared to the foaming volume and half-life of the carboxybetaine aqueous solution (comparative example 1) and the sulfobetaine aqueous solution (comparative example 2) which do not contain the rice hull-derived carbon particles, the foaming volume and half-life of the foam remover composition of the present invention (examples 1-4) are significantly increased, i.e., the foam system stability generated by the foam remover composition of the present invention is greatly improved. It can be seen that as the total dosage of carboxybetaine and rice hull derived carbon particles is increased, the lathering volume of the lathering remover composition increases and the half-life increases.
Please refer to fig. 1, which is a schematic diagram illustrating the mechanism of the synergistic foam stabilization of the betaine surfactant and the rice hull derived carbon particles. As shown in figure 1, the rice hull derived particles are adsorbed on the interface of a liquid film in an vesicular system due to the hydrophobic characteristics of the rice hull derived particles, and form a compact adsorption layer on the interface together with betaine surfactant molecules, so that the mechanical strength of the liquid film is improved, and the foam stability is improved.
In addition, the foam microscopic morphology of comparative example 1 and comparative example 1, as shown in FIG. 2, the products of example 1 and comparative example 1 were placed in a measuring cylinder, respectively, and the foam decay was observed after foaming and the half-life time was recorded. As can be seen from fig. 2, for example 1, the half-life of the foam was 12min in the presence of 0.5% carboxybetaine + 0.01% carbon (rice hull-derived carbon particles); in contrast to comparative example 1, the foam half-life generated by the solution system containing only 0.5% carboxybetaine was only 7min without the addition of the rice hull derived carbon particles. Thus, the rice hull derived carbon particles are demonstrated to have good foam stabilizing properties.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely illustrative and that many changes or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined solely by the appended claims.
Claims (8)
1. The foam scrubbing agent composition is characterized by being prepared from the following components in parts by weight: 1 part of foaming agent, 0.01-10 parts of foam stabilizer and the balance of water, wherein the foaming agent is betaine surfactant, and the foam stabilizer is rice hull derived carbon particles.
2. The foam scrubbing composition as claimed in claim 1, wherein said betaine surfactant has a molecular formula of one or more of carboxybetaine or sulfobetaine:
wherein, in the carboxyl betaine, x is 11-26, and n is 1-20; in sulfobetaine, x is 11-26, and n is 1-20.
3. The foam scrubbing agent composition as claimed in claim 1, wherein said rice hull derived carbon particles have a particle size of from 5 to 150 μm.
4. A process for preparing a foam remover composition as claimed in any one of claims 1 to 3, comprising the steps of:
(1) placing air-dried rice hulls in N2Heating to the temperature of 500-750 ℃ under the protection condition, calcining at the constant temperature of 500-750 ℃ for 2-5 hours, and cooling to obtain rice hull derived carbon;
(2) crushing rice hull derived carbon to obtain rice hull derived carbon powder;
(3) soaking rice hull derived carbon powder in 0.05-0.1mol/L ethanol solution of trimethylchlorosilane for 1-2 hours, and vacuum-drying at 60-80 ℃ for 3-5 hours to obtain rice hull derived carbon particles;
(4) and uniformly mixing the obtained rice hull derived carbon particles with a betaine surfactant by adding water to obtain the foam scrubbing agent composition.
5. The method according to claim 4, wherein the calcination in the step (1) is carried out in a tubular furnace.
6. The production method according to claim 4, wherein the device for carrying out the pulverization in the step (2) is a ball mill.
7. The production method according to claim 6, wherein in the step (2), the parameters for performing ball milling using a ball mill are set as follows: the diameter of the small steel balls is 6.35mm, and the number of the small steel balls is 14; the diameter of the large steel balls is 9.5mm, and the number of the large steel balls is 8; the ball milling rotation frequency is 300Hz, and the time is 10-30 minutes.
8. Use of the foam discharging agent composition according to any one of claims 1 to 3, wherein the foam discharging agent composition is applied to a natural gas well with a pH value of 3-7 to realize foam discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373735.3A CN114774095B (en) | 2022-04-07 | 2022-04-07 | Foam discharging agent composition and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373735.3A CN114774095B (en) | 2022-04-07 | 2022-04-07 | Foam discharging agent composition and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114774095A true CN114774095A (en) | 2022-07-22 |
| CN114774095B CN114774095B (en) | 2023-11-28 |
Family
ID=82428281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210373735.3A Active CN114774095B (en) | 2022-04-07 | 2022-04-07 | Foam discharging agent composition and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114774095B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590593A (en) * | 2015-10-20 | 2017-04-26 | 中国石油化工股份有限公司 | Foaming agent composition used for gas well drainage and preparation method and application thereof |
| CN107011753A (en) * | 2017-04-21 | 2017-08-04 | 常州梦泰照明科技有限公司 | A kind of preparation method of the transparent temperature control insulating moulding coating of glass |
| CN107311560A (en) * | 2017-06-07 | 2017-11-03 | 常州市天宁区鑫发织造有限公司 | A kind of inorganic heat insulation mortar and preparation method thereof |
| US20180362403A1 (en) * | 2016-02-08 | 2018-12-20 | Halliburton Energy Services, Inc. | Nanocellulose foam stabilizing additive |
| CN111019622A (en) * | 2019-12-23 | 2020-04-17 | 中国石油大学(华东) | Rice hull ash particle-based reinforced foam system, preparation method and application |
| US20200370404A1 (en) * | 2017-03-09 | 2020-11-26 | Saudi Arabian Oil Company | Foam from low cost petroleum sulfonate surfactants for fracturing along with wettability alteration |
-
2022
- 2022-04-07 CN CN202210373735.3A patent/CN114774095B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590593A (en) * | 2015-10-20 | 2017-04-26 | 中国石油化工股份有限公司 | Foaming agent composition used for gas well drainage and preparation method and application thereof |
| US20180362403A1 (en) * | 2016-02-08 | 2018-12-20 | Halliburton Energy Services, Inc. | Nanocellulose foam stabilizing additive |
| US20200370404A1 (en) * | 2017-03-09 | 2020-11-26 | Saudi Arabian Oil Company | Foam from low cost petroleum sulfonate surfactants for fracturing along with wettability alteration |
| CN107011753A (en) * | 2017-04-21 | 2017-08-04 | 常州梦泰照明科技有限公司 | A kind of preparation method of the transparent temperature control insulating moulding coating of glass |
| CN107311560A (en) * | 2017-06-07 | 2017-11-03 | 常州市天宁区鑫发织造有限公司 | A kind of inorganic heat insulation mortar and preparation method thereof |
| CN111019622A (en) * | 2019-12-23 | 2020-04-17 | 中国石油大学(华东) | Rice hull ash particle-based reinforced foam system, preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 刘志明等: "《木质纤维的纳米纤丝化和凝胶化及吸附性能研究》", 哈尔滨工程大学出版社, pages: 7 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114774095B (en) | 2023-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cao et al. | Surface cleaning and oxidative effects of ultrasonication on the flotation of oxidized pyrite | |
| CN113717709B (en) | Nano fluid imbibition agent and preparation method and application thereof | |
| Abdo et al. | Effects of nano‐sepiolite on rheological properties and filtration loss of water‐based drilling fluids | |
| CN109052370A (en) | A kind of carbon nano tube surface method of modifying | |
| Cheng et al. | A novel collector for high-sulfur bauxite flotation desulfurization | |
| CN108658130B (en) | Method for simultaneously preparing iron oxide and silicon dioxide aerogel from iron tailings | |
| CN114288990B (en) | Preparation method of hydroxylated magnetic graphene oxide adsorbent | |
| CN108165248A (en) | Based on stable strengthening foam system of graphite particle collaboration and preparation method thereof | |
| CN114774095A (en) | Foam scrubbing agent composition and preparation method and application thereof | |
| CN106622099A (en) | Preparation method of arsenic adsorbing material and renaturation reuse method thereof | |
| CN103880136B (en) | Environment friendly magnesium ion modification montmorillonite flocculant for treating tap water and application thereof | |
| CN111620381A (en) | beta-FeOOH nano rod and preparation method thereof | |
| CN103663466B (en) | Microbial deferrization process for quartz sand | |
| CN115368882B (en) | Phase permeation regulator for oil field and preparation method thereof | |
| CN107149946A (en) | A kind of application of fenton catalyst in degraded organic pollutants | |
| CN106732442A (en) | A kind of blue algae treatment agent containing walnut shell and preparation method and application | |
| CN111909439B (en) | High-performance EVA (ethylene-vinyl acetate) foam material with uniformly distributed cells and preparation method thereof | |
| CN115652122A (en) | Hard alloy and preparation process thereof | |
| CN109534383A (en) | Synthesis method of cerium dioxide nanosheet | |
| CN112110502B (en) | Removing agent for micro-plastics in water body | |
| CN110563194B (en) | Pretreatment agent and pretreatment method for fracturing flow-back fluid for preparing drilling fluid | |
| CN113830815A (en) | Modified barite material and preparation method thereof | |
| CN109607540B (en) | Process for preparing nano silicon carbide by sol-gel method | |
| CN106943997A (en) | A kind of graphene oxide composite material for removing underground water heavy metal and preparation method thereof | |
| CN102070164A (en) | Treatment method of carbonation mother liquor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240523 Address after: Room 401, Unit 2, Building 16, Sihai Yiyuan, Baimi Avenue, Baota District, Yan'an City, Shaanxi Province, 716000 Patentee after: Yan'an Ailuer Energy Technology Service Co.,Ltd. Country or region after: China Address before: 710065, No. 18, two East, electronic road, Shaanxi, Xi'an Patentee before: XI'AN SHIYOU University Country or region before: China |