CN103555297A - Method for preparing environment-friendly oil field thickening agent from citrus peel and application - Google Patents
Method for preparing environment-friendly oil field thickening agent from citrus peel and application Download PDFInfo
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- CN103555297A CN103555297A CN201310568592.2A CN201310568592A CN103555297A CN 103555297 A CN103555297 A CN 103555297A CN 201310568592 A CN201310568592 A CN 201310568592A CN 103555297 A CN103555297 A CN 103555297A
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- citrus plant
- particle
- oil field
- plant pericarp
- ethanol
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- 241000207199 Citrus Species 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 18
- 235000020971 citrus fruits Nutrition 0.000 title 1
- 239000002562 thickening agent Substances 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000002245 particle Substances 0.000 claims abstract description 45
- 239000001913 cellulose Substances 0.000 claims abstract description 30
- 229920002678 cellulose Polymers 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 39
- 239000000835 fiber Substances 0.000 claims description 28
- 244000276331 Citrus maxima Species 0.000 claims description 15
- 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
- 229920000609 methyl cellulose Polymers 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- 235000005979 Citrus limon Nutrition 0.000 claims description 3
- 235000001759 Citrus maxima Nutrition 0.000 claims description 3
- 244000131522 Citrus pyriformis Species 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 2
- 238000001035 drying 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
- 239000000047 product Substances 0.000 description 21
- 238000005553 drilling Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 241001672694 Citrus reticulata Species 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009371 citriculture Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 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
Abstract
A process for preparing the environment-friendly densifier for oil field from the peel of citrus plant includes such steps as crushing the naturally dried peel of citrus plant, immersing the particles of peel of citrus plant in alcohol in reactor, vacuum filtering, drying, mixing the modified cellulose product with the peel of citrus plant, stirring, breaking, and sieving.
Description
Technical field
The present invention relates to peel of Citrus reticulata Blanco applied technical field, be specifically related to prepare method and the application of viscosifying agent for environment-friendly type oil field by citrus plant pericarp.
Background technology
Citrus plant comprises that orange, orange, shaddock and lemon Deng， China are mainly distributed in Guangdong, Hunan, Zhejiang, Fujian Deng Di， China citriculture area and rank first in the world, and output occupies second place of the world, is only second to Brazil.Peel of Citrus reticulata Blanco is the by product of oranges and tangerines processing, account for whole fruit heavy 25% ~ 40%, at present except a small amount of as food, fodder additives, the overwhelming majority becomes waste, therefore the recycling of orange peel has very wide prospect, can produce huge economic benefit and ecological benefits.
Summary of the invention
In order to expand the purposes of citrus plant pericarp, improve its added value, the object of the present invention is to provide by citrus plant pericarp and prepare method and the application of viscosifying agent for environment-friendly type oil field, after modification pericarp solvability strengthen, the gelatin viscosity that dissolves part increases, can be 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:
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is the residuum after the fruit processing such as orange, orange, shaddock and lemon;
Second step adds above-mentioned citrus plant pericarp particle the ethanol of 5-20 times of quality in reactor, and more than soaking 30min at 30-60 ℃, ethanol is the product of the above purity of technical grade;
The 3rd step, by the citrus plant pericarp particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50-80 ℃ is dried to constant weight;
The 4th step, by modified fibre cellulose product, according to mass ratio, be that 10:1-1:10 mixes with citrus plant pericarp, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, methylcellulose gum, ethyl cellulose, Natvosol, hydroxypropylcellulose, carboxymethyl cellulose or Xylo-Mucine that modified fibre cellulose product used is the above purity of technical grade.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 0.1-1%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 40-70%, improves viscosity 100-400%.
Because the present invention has adopted citrus plant pericarp and modified-cellulose, it is raw material, there is the natural feature of environmental protection and recyclability, be easy to biological degradation, the pectin containing in pericarp and polyphenols are conducive to improve its viscosifying action, strengthened the adsorption of itself and drilling fluid medium clay soil particle surface, tiny particle can play the tiny duct of stopping up in mud cake simultaneously, is conducive to improve it and falls leak-off effect.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is orange peel;
Second step adds above-mentioned orange peel particle the ethanol of 5 times of quality in reactor, soaks 60min at 50 ℃, and ethanol is technical grade product;
The 3rd step, by the orange peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 60 ℃ are dried to constant weight;
The 4th step, is that 1:2 mix with orange peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade carboxymethyl cellulose.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 0.5%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 45%, improves viscosity 120%.
Embodiment 2
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is Pericarpium citri sinensis;
Second step adds above-mentioned Pericarpium citri sinensis particle the ethanol of 5 times of quality in reactor, soaks 60min at 60 ℃, and ethanol is technical grade product;
The 3rd step, by the Pericarpium citri sinensis particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50 ℃ are dried to constant weight;
The 4th step, is that 1:1 mix with Pericarpium citri sinensis according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade methylcellulose gum.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 0.4%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 50%, improves viscosity 150%.
Embodiment 3
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is pomelo peel;
Second step adds above-mentioned pomelo peel particle the ethanol of 8 times of quality in reactor, soaks 50min at 55 ℃, and ethanol is technical grade product;
The 3rd step, by the pomelo peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 65 ℃ are dried to constant weight;
The 4th step, is that 5:1 mix with pomelo peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade ethyl cellulose.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 0.6%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 60%, improves viscosity 400%.
Embodiment 4
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is orange peel;
Second step adds above-mentioned orange peel particle the ethanol of 15 times of quality in reactor, soaks 30min at 60 ℃, and ethanol is technical grade product;
The 3rd step, by the orange peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 70 ℃ are dried to constant weight;
The 4th step, is that 8:1 mix with orange peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade Natvosol.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 0.8%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 50%, improves viscosity 320%.
Embodiment 5
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is Pericarpium citri sinensis;
Second step adds above-mentioned Pericarpium citri sinensis particle the ethanol of 20 times of quality in reactor, soaks 45 min at 35 ℃, and ethanol is technical grade product;
The 3rd step, by the Pericarpium citri sinensis particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50 ℃ are dried to constant weight;
The 4th step, is that 1:10 mix with Pericarpium citri sinensis according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade hydroxypropylcellulose.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 1%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 55%, improves viscosity 400%.
Embodiment 6
By citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is that mass ratio is orange peel and the Pericarpium citri sinensis of 1:1;
Second step adds above-mentioned orange peel and Pericarpium citri sinensis particle the ethanol of 15 times of quality in reactor, soaks 50 min at 30 ℃, and ethanol is technical grade product;
The 3rd step, by the pomelo peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 60 ℃ are dried to constant weight;
The 4th step, is that 1:8 mix with pomelo peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade Xylo-Mucine.
During application, environment-friendly type oil field is scattered in water-base drilling fluid with viscosifying agent, the solution that its mass concentration is 1%, adopts API its filtration reduction of standard test and tackifying, reduces leak-off 60%, improves viscosity 450%.
Claims (7)
1. by citrus plant pericarp, prepare the method for viscosifying agent for environment-friendly type oil field, it is characterized in that, comprise the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is the residuum after the fruit processing such as orange, orange, shaddock and lemon;
Second step adds above-mentioned citrus plant pericarp particle the ethanol of 5-20 times of quality in reactor, and more than soaking 30min at 30-60 ℃, ethanol is the product of the above purity of technical grade;
The 3rd step, by the citrus plant pericarp particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50-80 ℃ is dried to constant weight;
The 4th step, by modified fibre cellulose product, according to mass ratio, be that 10:1-1:10 mixes with citrus plant pericarp, stir, pulverize, cross 120-200 mesh sieve, obtain environment-friendly type oil field viscosifying agent, methylcellulose gum, ethyl cellulose, Natvosol, hydroxypropylcellulose, carboxymethyl cellulose or Xylo-Mucine that modified fibre cellulose product used is the above purity of technical grade.
2. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is orange peel;
Second step adds above-mentioned orange peel particle the ethanol of 5 times of quality in reactor, soaks 60min at 50 ℃, and ethanol is technical grade product;
The 3rd step, by the orange peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 60 ℃ are dried to constant weight;
The 4th step, is that 1:2 mix with orange peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade carboxymethyl cellulose.
3. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is Pericarpium citri sinensis;
Second step adds above-mentioned Pericarpium citri sinensis particle the ethanol of 5 times of quality in reactor, soaks 60min at 60 ℃, and ethanol is technical grade product;
The 3rd step, by the Pericarpium citri sinensis particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50 ℃ are dried to constant weight;
The 4th step, is that 1:1 mix with Pericarpium citri sinensis according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade methylcellulose gum.
4. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is pomelo peel;
Second step adds above-mentioned pomelo peel particle the ethanol of 8 times of quality in reactor, soaks 50min at 55 ℃, and ethanol is technical grade product;
The 3rd step, by the pomelo peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 65 ℃ are dried to constant weight;
The 4th step, is that 5:1 mix with pomelo peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade ethyl cellulose.
5. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is orange peel;
Second step adds above-mentioned orange peel particle the ethanol of 15 times of quality in reactor, soaks 30min at 60 ℃, and ethanol is technical grade product;
The 3rd step, by the orange peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 70 ℃ are dried to constant weight;
The 4th step, is that 8:1 mix with orange peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade Natvosol.
6. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is Pericarpium citri sinensis;
Second step adds above-mentioned Pericarpium citri sinensis particle the ethanol of 20 times of quality in reactor, soaks 45 min at 35 ℃, and ethanol is technical grade product;
The 3rd step, by the Pericarpium citri sinensis particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 50 ℃ are dried to constant weight;
The 4th step, is that 1:10 mix with Pericarpium citri sinensis according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade hydroxypropylcellulose.
7. the method for being prepared environment-friendly type oil field use viscosifying agent by citrus plant pericarp according to claim 1, is characterized in that, comprises the following steps:
The first step, rolls by the citrus plant pericarp of natural air drying the particle that is crushed to diameter 1-5mm, and citrus plant pericarp is that mass ratio is orange peel and the Pericarpium citri sinensis of 1:1;
Second step adds above-mentioned orange peel and Pericarpium citri sinensis particle the ethanol of 15 times of quality in reactor, soaks 50 min at 30 ℃, and ethanol is technical grade product;
The 3rd step, by the pomelo peel particle filtration under diminished pressure of above-mentioned processing, to flowing out without solution, 60 ℃ are dried to constant weight;
The 4th step, is that 1:8 mix with pomelo peel according to mass ratio by modified fibre cellulose product, stirs, and pulverizes, and crosses 80-120 mesh sieve, obtains environment-friendly type oil field viscosifying agent, and modified fibre cellulose product used is technical grade Xylo-Mucine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310568592.2A CN103555297B (en) | 2013-11-15 | 2013-11-15 | Method for preparing environment-friendly oil field thickening agent from citrus peel and application |
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| CN201310568592.2A CN103555297B (en) | 2013-11-15 | 2013-11-15 | Method for preparing environment-friendly oil field thickening agent from citrus peel and application |
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| CN103555297B CN103555297B (en) | 2015-09-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| CN101475775A (en) * | 2009-01-16 | 2009-07-08 | 庆阳长庆井下油田助剂有限责任公司 | Preparation of low molecular plant gum |
| CN101864284A (en) * | 2010-06-25 | 2010-10-20 | 梁开方 | Elm bark powder particles, preparation method for elm bark powder particles, elm bark powder vegetable gum and application of elm bark powder vegetable gum |
| CN103204968A (en) * | 2013-04-03 | 2013-07-17 | 中山职业技术学院 | High performance alkali swelling thickener and preparation method thereof |
| CN103275229A (en) * | 2013-06-03 | 2013-09-04 | 徐季亮 | Preparation method of ultrahigh viscosity sodium carboxymethylcellulose for aqueous fracturing fluid |
| CN103614132A (en) * | 2013-11-29 | 2014-03-05 | 北京矿冶研究总院 | Thickening agent and large-flow concentrated fracturing fluid |
| CN104357028A (en) * | 2014-09-30 | 2015-02-18 | 苏州长盛机电有限公司 | Water-based drilling fluid tackifier and preparation method thereof |
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- 2013-11-15 CN CN201310568592.2A patent/CN103555297B/en not_active Expired - Fee Related
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| CN101475775A (en) * | 2009-01-16 | 2009-07-08 | 庆阳长庆井下油田助剂有限责任公司 | Preparation of low molecular plant gum |
| CN101864284A (en) * | 2010-06-25 | 2010-10-20 | 梁开方 | Elm bark powder particles, preparation method for elm bark powder particles, elm bark powder vegetable gum and application of elm bark powder vegetable gum |
| CN103204968A (en) * | 2013-04-03 | 2013-07-17 | 中山职业技术学院 | High performance alkali swelling thickener and preparation method thereof |
| CN103275229A (en) * | 2013-06-03 | 2013-09-04 | 徐季亮 | Preparation method of ultrahigh viscosity sodium carboxymethylcellulose for aqueous fracturing fluid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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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| CN103555297B (en) | 2015-09-23 |
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