CN102311728A - Chemical pressure-reducing injection-increasing agent for water injection well and preparation and application thereof - Google Patents
Chemical pressure-reducing injection-increasing agent for water injection well and preparation and application thereof Download PDFInfo
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- CN102311728A CN102311728A CN2010102271264A CN201010227126A CN102311728A CN 102311728 A CN102311728 A CN 102311728A CN 2010102271264 A CN2010102271264 A CN 2010102271264A CN 201010227126 A CN201010227126 A CN 201010227126A CN 102311728 A CN102311728 A CN 102311728A
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- water
- pressure
- injection
- weight
- increasing agent
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 239000000126 substance Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 title abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 10
- 229920000570 polyether Polymers 0.000 claims abstract description 10
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 22
- 239000004606 Fillers/Extenders Substances 0.000 claims description 18
- 230000003276 anti-hypertensive effect Effects 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 11
- 229920000289 Polyquaternium Polymers 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000003190 augmentative effect Effects 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 150000003863 ammonium salts Chemical group 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- -1 methylene phosphonic acid Chemical compound 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- 235000020681 well water Nutrition 0.000 description 8
- 239000002349 well water Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000295146 Gallionellaceae Species 0.000 description 1
- 241001597008 Nomeidae Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002461 imidazolidines Chemical class 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MBKDYNNUVRNNRF-UHFFFAOYSA-N medronic acid Chemical compound OP(O)(=O)CP(O)(O)=O MBKDYNNUVRNNRF-UHFFFAOYSA-N 0.000 description 1
- 229960003074 medronic acid Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention relates to a chemical pressure-reducing injection-increasing agent for a water injection well, and preparation and application thereof; the composition comprises 0.03-0.3 wt% of hexadecyl trimethyl ammonium bromide surfactant, 0.05-0.5 wt% of MY/IMC-80BHH corrosion inhibitor, 0.1-0.3 wt% of polyamino polyether methylene phosphonic acid, 0.01-0.03 wt% of polyquaternary ammonium salt, 0.05-0.1 wt% of citric acid, 0.1-0.5 wt% of hydrochloric acid and the balance of water; the weight of injected water is one hundred percent, the dosage of the pressure-reducing injection-increasing agent is 0.1-0.3 percent of the weight of injected water, the pressure-reducing injection-increasing agent is added into a chemical adding device of a water injection station and is stirred uniformly, and then the mixture is pumped into a high-pressure pipeline through a high-pressure pump, and the pressure-reducing injection-increasing agent is injected into a stratum along with the injected water to play a role in chemically reducing pressure and increasing; the pressure drop of a single well is about 15 percent.
Description
Technical field
The present invention relates to a kind of oil-field flooding well operations with WIW chemical antihypertensive extender and preparation and application.
Background technology
In the oilfield development process, injection water quality is poor, and suspended particle is many; Have sulphate reducing bacteria (SRB), iron bacteria, saprophytic microorganism etc. simultaneously, after people's exploitation is thrown in this type oil field, because injection water and local water are incompatible; Produce deposition and fouling, aggravation system simultaneously corrodes, and the place of growth and breeding is provided for bacterium; Bring the burn into blockage problem, cause water injection pressure to rise, water-injection efficiency reduces fast; Normally injection allocation reduces the oil field oil recovery rate, becomes a subject matter of the long-term stable yields in restriction oil field.
To above-mentioned present situation, need a kind of WIW chemical antihypertensive extender of research, solve owing to injecting the reservoir choke that water and local water are incompatible and cause, water injection pressure rises, normally injection allocation, the problem that the oil field oil recovery rate is reduced.
Summary of the invention
The purpose of this invention is to provide the chemical antihypertensive extender that a kind of WIW is used; Injecting water adding chemical antihypertensive extender uniformly; Reduction through oil water interfacial tension; Improve the migration velocity of water phase permeability and profit microemulsion, stop the formation of dirt and suppress the various bacteria growth, reach the purpose of water injection in low-permeability oilfield well step-down augmented injection.
WIW of the present invention is with the raw material and the prescription of chemical antihypertensive extender
1, cetyl trimethylammonium bromide
Molecular formula: C
16H
33(CH
3)
3NBr
Performance: have the surface of good activity, strong emulsifying property gets in the injection allocation water and forms microemulsion, forms profit mixed phase milk sap very soon behind the chance oil, and hydrophilic and oleophilic obtains balance, and oil water interfacial tension is reduced.
2, MY/IMC-80BHH inhibiter
Staple: imidazolidine derivatives, aromatic amine derivant, alkoxyl-methyl quaternary ammonium salt, molecular-weight average 800-3200.
Structural formula:
Wherein R ' is an alkyl, R
1, R
2, R
3, R
4Be aryl, naphthenic base, X is a halogen.
Performance: the adsorptivity inhibiter, metal is formed close and blocky adsorption layer, have good corrosion inhibiting effect.
Production unit: positive corrosion and protection ltd is engraved by section in the Shenyang.
3, polyamino polyether base methylenephosphonic acid
Another name: polyamino polyether base medronic acid
Structural formula:
Performance: have very high chelating dispersing property, lime carbonate, calcium sulfate, calcium phosphate are had excellent scale-inhibiting properties, be specially adapted to recirculating cooling water system and the oil-field water treatment agent of high firmness, high basicity, high pH, with the compounding polycarboxylic acid better effects if.
4, polyquaternium
Performance: dark-brown is homogeneous phase transparent liquid, and the polyquaternium sterilant belongs to the strong cation high molecular polymer, has wide spectrum, sterilization algae removal ability and certain dispersion, osmosis efficiently, and consistency, synergetic property are good.
5, Hydrocerol A (industrial goods)
Performance: Hydrocerol A is colourless translucent crystal or white particle or white crystalline powder, the extremely acid of odorless, flavor, and soluble in water and ethanol, the aqueous solution show acid.
6, hydrochloric acid (industrial goods)
7, water
Two, each components by weight of WIW chemical antihypertensive extender
WIW chemical antihypertensive extender composition of the present invention is 0.03～0.3% cetyl trimethylammonium bromide tensio-active agent by weight; 0.05～0.5% MY/IMC-80BHH inhibiter; 0.1～0.3% polyamino polyether base methylenephosphonic acid, 0.01～0.03% polyquaternium, 0.05～0.1% Hydrocerol A; 0.1～0.5% hydrochloric acid, all the other are water.
Method of use: injecting water weight with day is a hundred per cent; According to step-down extender consumption is the 0.1-0.3% of water filling weight; Measure a certain amount of chemical agent by the field technician; Can squeeze in the pressure duct through HPP after stirring in the adding water-injection plant chemicals dosing plant, inject the stratum, play the effect of chemical antihypertensive augmented injection along with injecting water.
The effect of invention
10 mouthfuls of WIWs carried out chemical antihypertensive extender field conduct in the oil field successively in 2009; Injection pressure reduces about 15%; Improve water injection rate, reached low permeability oil field step-down augmented injection, prevent that simultaneously dirt appearance from forming, suppressing bacterium; Can in time adjust the system component ratio according to on-the-spot WIW practical situation, easy to operate.
Embodiment
Embodiment 1:
At a capacity is to add quantitative water in 1000 liters the steel reaction kettle, adds weight content and be 0.03% cetyl trimethylammonium bromide, stirs, and adds the MY/IMC-80BHH inhibiter of weight content 0.05%; Stirring and dissolving is complete, and adding weight content is 0.02% polyamino polyether base methylenephosphonic acid, and stirring and dissolving is complete; Adding weight content more successively is 0.01 polyquaternium, 0.05% Hydrocerol A, 0.1% hydrochloric acid; Surplus is a water, stirs, and promptly gets this product.
Method of use and effect: Wu Banner water-injection plant; In this station well volume of water input 0.1% ratio the chemical antihypertensive extender is pumped in the pressure duct with dosing pump at the water-injection plant water distributing station; Inject the stratum along with injecting water; Individual well water injection pressure 5.8MPa before the measure, individual well water injection pressure 4.9MPa after the measure, front and back contrast individual well pressure drop 15.5%.
Embodiment 2:
At a capacity is to add quantitative water in 1000 liters the steel reaction kettle, adds weight content and be 0.3% cetyl trimethylammonium bromide, stirs, and adds the MY/IMC-80BHH inhibiter of weight content 0.1%; Stirring and dissolving is complete, and adding weight content is 0.01% polyamino polyether base methylenephosphonic acid, and stirring and dissolving is complete; Adding weight content more successively is 0.03% polyquaternium, 0.05% Hydrocerol A, 0.3% hydrochloric acid; Surplus is a water, stirs, and promptly gets this product.
Method of use and effect: Xinhua's one metaideophone water station; In this station well volume of water input 0.3% ratio the chemical antihypertensive extender is pumped in the pressure duct with dosing pump at the water-injection plant water distributing station; Inject the stratum along with injecting water; Individual well water injection pressure 23.0MPa before the measure, individual well water injection pressure 19.5MPa after the measure, front and back contrast individual well pressure drop 15.2%.
Embodiment 3:
At a capacity is to add quantitative water in 1000 liters the steel reaction kettle, adds weight content and be 0.2% cetyl trimethylammonium bromide, stirs, and adds the MY/IMC-80BHH inhibiter of weight content 0.2%; Stirring and dissolving is complete, and adding weight content is 0.2% polyamino polyether base methylenephosphonic acid, and stirring and dissolving is complete; Adding weight content more successively is 0.02% polyquaternium, 0.03% Hydrocerol A, 0.3% hydrochloric acid; Surplus is a water, stirs, and promptly gets this product.
Method of use and effect: king's kiln water-injection plant; In this station well volume of water input 0.2% ratio the chemical antihypertensive extender is pumped in the pressure duct with dosing pump at the water-injection plant water distributing station; Inject the stratum along with injecting water; Individual well water injection pressure 18.6MPa before the measure, individual well water injection pressure 15.8MPa after the measure, front and back contrast individual well pressure drop 15.1%.
Embodiment 4:
At a capacity is to add quantitative water in 1000 liters the steel reaction kettle, adds weight content and be 0.1% cetyl trimethylammonium bromide, stirs, and adds the MY/IMC-80BHH inhibiter of weight content 0.2%; Stirring and dissolving is complete, and adding weight content is 0.05% polyamino polyether base methylenephosphonic acid, and stirring and dissolving is complete; Adding weight content more successively is 0.02 polyquaternium, 0.03% Hydrocerol A, 0.3% hydrochloric acid; Surplus is a water, stirs, and promptly gets this product.
Method of use and effect: king's kiln is annotated the clear water station; In this station well volume of water input 0.1% ratio the chemical antihypertensive extender is pumped in the pressure duct with dosing pump at the water-injection plant water distributing station; Inject the stratum along with injecting water; Individual well water injection pressure 8.6MPa before the measure, individual well water injection pressure 7.2MPa after the measure, front and back contrast individual well pressure drop 16.3%.
Claims (3)
1. WIW chemical antihypertensive extender; It is characterized in that: composition is 0.03～0.3% cetyl trimethylammonium bromide tensio-active agent by weight, 0.05～0.5% MY/IMC-80BHH inhibiter, 0.1～0.3% polyamino polyether base methylenephosphonic acid; 0.01～0.03% polyquaternium; 0.05～0.1% Hydrocerol A, 0.1～0.5% hydrochloric acid, all the other are water.
2. the preparation method of a WIW chemical antihypertensive extender according to claim 1 is characterized in that: in a capacity is 1000 liters steel reaction kettle, add quantitative water, add weight content and be 0.03～0.3% cetyl trimethylammonium bromide; Stir, add the MY/IMC-80BHH inhibiter of weight content 0.05～0.5%, stirring and dissolving is complete; Adding weight content is 0.1～0.3% polyamino polyether base methylenephosphonic acid, and stirring and dissolving is complete, and adding weight content more successively is 0.01～0.03% polyquaternium; 0.05～0.1% Hydrocerol A, 0.1～0.5% hydrochloric acid, surplus is a water; Stir, promptly get this product.
3. the application of a WIW chemical antihypertensive extender according to claim 1; It is characterized in that: to inject water weight is a hundred per cent; Step-down extender consumption is the 0.1-0.3% of water filling weight, after stirring in the adding water-injection plant chemicals dosing plant, squeezes in the pressure duct through HPP; Inject the stratum along with injecting water, play the effect of chemical antihypertensive augmented injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010227126.4A CN102311728B (en) | 2010-07-06 | 2010-07-06 | Chemical pressure-reducing injection-increasing agent for water injection well and preparation and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010227126.4A CN102311728B (en) | 2010-07-06 | 2010-07-06 | Chemical pressure-reducing injection-increasing agent for water injection well and preparation and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102311728A true CN102311728A (en) | 2012-01-11 |
| CN102311728B CN102311728B (en) | 2014-04-02 |
Family
ID=45425304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010227126.4A Active CN102311728B (en) | 2010-07-06 | 2010-07-06 | Chemical pressure-reducing injection-increasing agent for water injection well and preparation and application thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102311728B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215027A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Acidic surfactant fracturing fluid system |
| CN105754567A (en) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | Water injection well scale remover and preparation method and application thereof |
| WO2016110654A1 (en) | 2015-01-08 | 2016-07-14 | Ceca S.A. | Injectivity additive |
| WO2016110655A1 (en) | 2015-01-08 | 2016-07-14 | Ceca S.A. | Injectivity additive |
| CN106281288A (en) * | 2016-08-04 | 2017-01-04 | 陕西森瑞石油技术开发有限公司 | A kind of low permeability reservoir pressure reducing and injection increasing agent used for flooding well and preparation method thereof |
| CN106609135A (en) * | 2015-10-26 | 2017-05-03 | 中国石油化工股份有限公司 | Salt-resistant nano-emulsion injection enhancement agent for oilfield water injection and preparation method thereof |
| CN107892908A (en) * | 2017-11-23 | 2018-04-10 | 克拉玛依新科澳石油天然气技术股份有限公司 | Water injection well unblocking and injection increasing agent and preparation method thereof |
| CN110700804A (en) * | 2019-10-09 | 2020-01-17 | 中国石油天然气股份有限公司 | Method for adding antihypertensive and augmented injection medicament |
| CN114479804A (en) * | 2020-11-11 | 2022-05-13 | 中国石油天然气股份有限公司 | Blocking remover and preparation method and application thereof |
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| CN101538457A (en) * | 2009-04-30 | 2009-09-23 | 中国石油天然气股份有限公司 | Composite blocking remover for water injection well and preparation method thereof |
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| US20070049501A1 (en) * | 2005-09-01 | 2007-03-01 | Halliburton Energy Services, Inc. | Fluid-loss control pills comprising breakers that comprise orthoesters and/or poly(orthoesters) and methods of use |
| CN101538457A (en) * | 2009-04-30 | 2009-09-23 | 中国石油天然气股份有限公司 | Composite blocking remover for water injection well and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215027A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Acidic surfactant fracturing fluid system |
| CN105754567A (en) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | Water injection well scale remover and preparation method and application thereof |
| CN105754567B (en) * | 2014-12-17 | 2018-08-14 | 中国石油天然气股份有限公司 | Water injection well scale remover and preparation method and application thereof |
| WO2016110654A1 (en) | 2015-01-08 | 2016-07-14 | Ceca S.A. | Injectivity additive |
| WO2016110655A1 (en) | 2015-01-08 | 2016-07-14 | Ceca S.A. | Injectivity additive |
| CN106609135A (en) * | 2015-10-26 | 2017-05-03 | 中国石油化工股份有限公司 | Salt-resistant nano-emulsion injection enhancement agent for oilfield water injection and preparation method thereof |
| CN106281288A (en) * | 2016-08-04 | 2017-01-04 | 陕西森瑞石油技术开发有限公司 | A kind of low permeability reservoir pressure reducing and injection increasing agent used for flooding well and preparation method thereof |
| CN106281288B (en) * | 2016-08-04 | 2019-06-07 | 陕西森瑞石油技术开发有限公司 | A kind of low permeability reservoir pressure reducing and injection increasing agent used for flooding well and preparation method thereof |
| CN107892908A (en) * | 2017-11-23 | 2018-04-10 | 克拉玛依新科澳石油天然气技术股份有限公司 | Water injection well unblocking and injection increasing agent and preparation method thereof |
| CN110700804A (en) * | 2019-10-09 | 2020-01-17 | 中国石油天然气股份有限公司 | Method for adding antihypertensive and augmented injection medicament |
| CN110700804B (en) * | 2019-10-09 | 2022-01-04 | 中国石油天然气股份有限公司 | Method for adding antihypertensive and augmented injection medicament |
| CN114479804A (en) * | 2020-11-11 | 2022-05-13 | 中国石油天然气股份有限公司 | Blocking remover and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN102311728B (en) | 2014-04-02 |
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