CN103555299B - Method for preparing environment-friendly thickening agent for oil field from persimmon peels and application of thickening agent - Google Patents
Method for preparing environment-friendly thickening agent for oil field from persimmon peels and application of thickening agent Download PDFInfo
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- CN103555299B CN103555299B CN201310568660.5A CN201310568660A CN103555299B CN 103555299 B CN103555299 B CN 103555299B CN 201310568660 A CN201310568660 A CN 201310568660A CN 103555299 B CN103555299 B CN 103555299B
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- pericarpium kaki
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- persimmon
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- 244000236655 Diospyros kaki Species 0.000 title claims abstract description 128
- 235000011511 Diospyros Nutrition 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002562 thickening agent Substances 0.000 title abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000002245 particle Substances 0.000 claims abstract description 46
- 239000001913 cellulose Substances 0.000 claims abstract description 32
- 229920002678 cellulose Polymers 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 235000008597 Diospyros kaki Nutrition 0.000 claims description 92
- 239000003795 chemical substances by application Substances 0.000 claims description 39
- 239000000835 fiber Substances 0.000 claims description 28
- 238000007605 air drying Methods 0.000 claims description 14
- 230000003292 diminished effect Effects 0.000 claims description 14
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 239000001856 Ethyl cellulose Substances 0.000 claims description 4
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 4
- 229920001249 ethyl cellulose Polymers 0.000 claims description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 4
- -1 Natvosol Polymers 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 22
- 238000005553 drilling Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 11
- 239000000706 filtrate Substances 0.000 abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000001814 pectin Substances 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001093 anti-cancer Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The method comprises the steps of grinding and crushing naturally air-dried persimmon peels, adding ethanol into the persimmon peel particles in a reaction kettle, soaking, filtering the treated persimmon peel particles under reduced pressure until no solution flows out, drying to constant weight, mixing a modified cellulose product with the persimmon peels dried to constant weight, uniformly stirring, crushing and sieving to obtain the environment-friendly thickening agent for the oil field, dispersing the environment-friendly thickening agent for the oil field in a water-based drilling fluid when the environment-friendly thickening agent for the oil field is applied, wherein the mass concentration of the solution is 0.1-1%, the filtrate loss reduction and the viscosity increase of the environment-friendly thickening agent are measured by adopting an API standard, the filtrate loss is reduced by 40-70%, and the viscosity is increased by 100-400%. The modified peel has enhanced solubility, the viscosity of the glue solution of the dissolved part is increased, and the modified peel can be used as a filtrate reducer and a tackifier of drilling fluid in oil field production.
Description
Technical field
The present invention relates to peel of Citrus reticulata Blanco applied technical field, be specifically related to method and the application of being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki.
Background technology
Persimmon tree is the planting fruit-trees that China extensively plants, its fruit persimmon nutritious containing more phenolic compound, has hemostasis, antibacterial, promoting blood circulation and removing blood stasis, blood fat-reducing blood pressure-decreasing, the multiple efficacies such as anti-oxidant, anticancer.In the process for processing of persimmon, a large amount of Pericarpium Kakis can be produced, containing more pectin in these Pericarpium Kakis, also have polyphenol, reducing sugar and soluble sugar and other micromolecular compounds.Pericarpium Kakis a large amount of is at present mainly used to the feed producing poultry, domestic animal, and market plane is narrow, price is lower.
Summary of the invention
In order to expand the purposes of Pericarpium Kaki, improve its added value, the object of the present invention is to provide method and the application of being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki, strengthen through modified pericarp solvability, the gelatin viscosity dissolving part increases, and may be used for cooking fluid loss agent and the tackifier of drilling fluid in field produces.
In order to achieve the above object, the technical solution used in the present invention is:
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5-20 times of quality in a kettle., soaks more than 30min at 30-60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is the product of the above purity of technical grade;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50-80 DEG C is dried to constant weight;
4th step, be that 10:1-1:10 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is the methylcellulose gum of the above purity of technical grade, ethyl cellulose, Natvosol, hydroxypropylcellulose, carboxymethyl cellulose or Xylo-Mucine.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.1-1%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 40-70%, improves viscosity 100-400%.
Owing to present invention employs Pericarpium Kaki and modified-cellulose is raw material, there is the natural feature of environmental protection and recyclability, be easy to biological degradation, the pectin contained in pericarp and polyphenols are conducive to improving its viscosifying action, enhance the adsorption of clay particle surface in itself and drilling fluid, tiny particle can play the tiny duct in blocking mud cake simultaneously, is conducive to improving its filtrate reducing effect.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5 times of quality in a kettle., soaks 60min at 60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50 DEG C are dried to constant weight;
4th step, be that 1:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade methyl Mierocrystalline cellulose.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.5%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 55%, improves viscosity 160%.
Embodiment 2
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5 times of quality in a kettle., soaks 60min at 50 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 60 DEG C are dried to constant weight;
4th step, be that 1:2 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade carboxymethyl cellulose.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.5%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 45%, improves viscosity 120%.
Embodiment 3
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 10 times of quality in a kettle., soaks 45 min at 50 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 60 DEG C are dried to constant weight;
4th step, be that 1:7 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade Xylo-Mucine.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.8%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 55%, improves viscosity 300%.
Embodiment 4
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 15 times of quality in a kettle., soaks 30min at 60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 70 DEG C are dried to constant weight;
4th step, be that 8:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade Natvosol.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.6%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 50%, improves viscosity 320%.
Embodiment 5
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 20 times of quality in a kettle., soaks 45 min at 35 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50 DEG C are dried to constant weight;
4th step, be that 1:10 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade hydroxypropylcellulose.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 1%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 55%, improves viscosity 400%.
Embodiment 6
Prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 8 times of quality in a kettle., soaks 50min at 55 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 65 DEG C are dried to constant weight;
4th step, be that 5:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade ethyl cellulose.
During application, be scattered in water-base drilling fluid by environment-friendly type oil field viscosifying agent, its mass concentration is the solution of 0.6%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 60%, improves viscosity 400%.
Claims (7)
1. prepared the method for environment-friendly type oil field viscosifying agent by Pericarpium Kaki, it is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5-20 times of quality in a kettle., soaks more than 30min at 30-60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is the product of the above purity of technical grade;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50-80 DEG C is dried to constant weight;
4th step, be that 10:1-1:10 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is the methylcellulose gum of the above purity of technical grade, ethyl cellulose, Natvosol, hydroxypropylcellulose, carboxymethyl cellulose or Xylo-Mucine.
2. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5 times of quality in a kettle., soaks 60min at 60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50 DEG C are dried to constant weight;
4th step, be that 1:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade methyl Mierocrystalline cellulose.
3. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 5 times of quality in a kettle., soaks 60min at 50 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 60 DEG C are dried to constant weight;
4th step, be that 1:2 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade carboxymethyl cellulose.
4. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 10 times of quality in a kettle., soaks 45 min at 50 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 60 DEG C are dried to constant weight;
4th step, be that 1:7 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade Xylo-Mucine.
5. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 15 times of quality in a kettle., soaks 30min at 60 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 70 DEG C are dried to constant weight;
4th step, be that 8:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade Natvosol.
6. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 20 times of quality in a kettle., soaks 45 min at 35 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 50 DEG C are dried to constant weight;
4th step, be that 1:10 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade hydroxypropylcellulose.
7. the method being prepared environment-friendly type oil field viscosifying agent by Pericarpium Kaki according to claim 1, is characterized in that, comprise the following steps:
The first step, rolls the particle being crushed to diameter 1-5mm by the Pericarpium Kaki of natural air drying, Pericarpium Kaki is the residuum that persimmon makes after dried persimmon;
Second step, adds the ethanol of 8 times of quality in a kettle., soaks 50min at 55 DEG C by above-mentioned Pericarpium Kaki particle, ethanol is technical grade product;
3rd step, by the Pericarpium Kaki particle filtration under diminished pressure of above-mentioned process, flow out to without solution, 65 DEG C are dried to constant weight;
4th step, be that 5:1 mix with the Pericarpium Kaki being dried to constant weight according to mass ratio by modified fibre cellulose product, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, modified fibre cellulose product used is technical grade ethyl cellulose.
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| CN201310568660.5A CN103555299B (en) | 2013-11-15 | 2013-11-15 | Method for preparing environment-friendly thickening agent for oil field from persimmon peels and application of thickening agent |
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| CN201310568660.5A CN103555299B (en) | 2013-11-15 | 2013-11-15 | Method for preparing environment-friendly thickening agent for oil field from persimmon peels and application of thickening agent |
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| CN106398662A (en) * | 2016-09-05 | 2017-02-15 | 西安石油大学 | Preparation method of high temperature resisting glycan-peel composite drilling fluid additive |
| CN107338027A (en) * | 2017-06-07 | 2017-11-10 | 常州杰轩纺织科技有限公司 | A kind of insulating liquid and preparation method thereof |
| CN113372887A (en) * | 2021-06-23 | 2021-09-10 | 成都西油华巍科技有限公司 | Weak gel tackifier for drilling fluid and preparation method thereof |
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| EP0178574A2 (en) * | 1984-10-17 | 1986-04-23 | Dresser Industries, Inc. | Fluid loss additives for oil base muds and low fluid loss compositions thereof |
| WO2007067668A1 (en) * | 2005-12-08 | 2007-06-14 | Hercules Incorporated | Solvent free fluidized polymer suspensions for oilfield servicing fluids |
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| CN103102019A (en) * | 2013-03-01 | 2013-05-15 | 西安石油大学 | Persimmon peel/leaf extract modification and application thereof to oil field water treatment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100230169A1 (en) * | 2009-03-12 | 2010-09-16 | Daniel Guy Pomerleau | Compositions and methods for inhibiting lost circulation during well operations |
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|---|---|---|---|---|
| EP0178574A2 (en) * | 1984-10-17 | 1986-04-23 | Dresser Industries, Inc. | Fluid loss additives for oil base muds and low fluid loss compositions thereof |
| WO2007067668A1 (en) * | 2005-12-08 | 2007-06-14 | Hercules Incorporated | Solvent free fluidized polymer suspensions for oilfield servicing fluids |
| CN101838292A (en) * | 2010-06-22 | 2010-09-22 | 屏南健青生物科技有限公司 | Method for extracting and separating polyphenol from plants |
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