CN102146281B - Oil-soluble paraffin-removal viscosity breaker - Google Patents
Oil-soluble paraffin-removal viscosity breaker Download PDFInfo
- Publication number
- CN102146281B CN102146281B CN 201110027189 CN201110027189A CN102146281B CN 102146281 B CN102146281 B CN 102146281B CN 201110027189 CN201110027189 CN 201110027189 CN 201110027189 A CN201110027189 A CN 201110027189A CN 102146281 B CN102146281 B CN 102146281B
- Authority
- CN
- China
- Prior art keywords
- oil
- removal viscosity
- well
- paraffin
- viscosity breaker
- 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.)
- Active
Links
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to an oil-soluble paraffin-removal viscosity breaker which is used in an oil field for increasing the per-well yield of which the oil well pump depth exceeds 2300 meters. The oil-soluble paraffin-removal viscosity breaker comprises the following components in percentage by weight: 5.0-8.0% of isopropyl benzene, 6-7.5% of isopropanol, 1.5-1.8% of 1,2-propylene glycol, 10-15% of 0# diesel oil, 2.5-3.0% of ethylene glycol monobutyl ether or butylene glycol aether, 2.0-3.0% of dimethyl distearylammonium chloride, 1.5-2.0% of ammonium dihexadecyldimethyl chloride, 1.0-1.5% of potassium chloride, 0.01-0.02% of vitamin C and the balance of methanol. The oil-soluble paraffin-removal viscosity breaker is used for paraffin-removal viscosity breaking in a pumping well of which the liquid level is more than 2300 meters deep and the water content is less than 30%; and when in field use, the oil-soluble paraffin-removal viscosity breaker can be annularly and periodically added from the oil jacket according to 0.4-0.5% of the daily fluid production rate of the oil well. The oil-soluble paraffin-removal viscosity breaker can reduce the load of the oil well pumping unit. The trial on 10 wells proves that the loads of the pumping units are reduced by 20.326% on average.
Description
Technical field
The present invention relates to petroleum industry oil well Lifting Technique field, relate in particular to a kind of oil soluble wax removal viscosity-depression agent that oil pump surpasses 2300 meters per-well productions deeply that improves.
Background technology
The oil field gets into development late stage; The part oil well can not get maybe can not replenishing owing to the stratum energy; Liquid level is reduced to below 2300 meters; Adopt little pump to take out and receive the oil pumper load influence deeply, simultaneously wax removal viscosity reduction, the heat of oil well such as wash at the weak effect of maintenance measure, cause this part oil well normally not play a role.
Chinese patent 201010164033 discloses a kind of deep-pumping matched process technology of oil well, the present invention relates to deeply the take out technology of oil-field development to middle and later periods deep layer oil well, particularly: a kind of deep-pumping matched process technology of oil well; Deep-pumping matched process technology of oil well: mainly adopting coiled rod and multistage automatic compensation sealing efficient oil-well pump is the main technique characteristic; Wherein: the coiled rod roofbolt does not have box cupling; Itself and tubing wall point of contact are straight line; The load bearing face of so continuous bar is bigger, and therefore wearing and tearing greatly reduce; The present invention is because to have adopted coiled rod and multistage automatic compensation sealing efficient oil-well pump be main technological features, takes out technology deeply so adapt to very much more than 3000 meters deep-well, and rate in the time of can improving oil well production is excavated oilfield stimulation synergy.
Li Shuying be published in the little pump of special reservoirs on 2007 the 3rd phases take out deeply point out in applied research one article of technology in LOW PERMEABILITY RESERVOIR little pump deeply the technology of taking out be to improve oilwell produced fluid amount through increasing drawdown pressure; Reach the stable yields raising the output, improve the purpose of oil-field development effect.Develop medium and small pump in conjunction with Cao She oil field LOW PERMEABILITY RESERVOIR and take out the The Application of Technology situation deeply, studied the applicable elements that little pump is taken out deeply, set up the pump footpath of definite little pump technology of taking out deeply and the mathematical model of setting depth of pump.Through the effect evaluation, proved that the little pump technology of taking out deeply has flexibility preferably in LOW PERMEABILITY RESERVOIR.
Though above technology has been brought into play very big effect drawing out deeply, exists difficulty of construction big, selects problems such as well difficulty.
Summary of the invention
The objective of the invention is: a kind of oil soluble wax removal viscosity-depression agent is provided, improves the dark per-well production of oil pump, be fit to liquid level and take out deeply, solve the load of taking out oil pumper deeply at oil well below 2300 meters above 2300 meters; Utilization is that main oil soluble medicament solves low paraffin removal from oil well viscosity reduction when moisture with the solvent oil.
The technical scheme that the present invention adopts is: the raw material of oil soluble wax removal viscosity-depression agent comprises:
1, isopropyl benzene (industrial goods);
2,1,2-Ucar 35 (industrial goods);
3, Virahol (industrial goods);
4,0# diesel oil (industrial goods);
5, butyl glycol ether or butyleneglycol ether (industrial goods);
Butyl glycol ether: Zhao Fulin chief editor's course teaching materials oilfield chemistry one book geared to the 21st century, press of China University Of Petroleum Beijing publishes, the 1st edition the 6th printing February in 2007.The 174th page.
Character: mutual solvent is the mutual solubility that increases oil (comprising wax) and water.
Production unit: the Shijiazhuang grand chemical industry technological development of length ltd.
Butyleneglycol ether: Zhao Fulin is chemical agent for oil recovery one book of work solely, and press of University of Petroleum publishes, the 1st edition the 1st printing June in 1997.The 107th page.
Character: mutual solvent is the mutual solubility that increases oil (comprising wax) and water.
Production unit: the Shijiazhuang grand chemical industry technological development of length ltd.
6, chlorination dimethyl dioctadecyl ammonium (industrial goods); Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, Chemical Industry Press publishes, the 11st page.
Character: outward appearance is white or little yellow paste or solid.Be soluble in polar solvent, be slightly soluble in water, the heating solubilized.With positively charged ion, nonionic, zwitterionics excellent compatibility is arranged.Emulsifying dispersivity, static resistance and Corrosion Protection are preferably arranged.
Purposes: external with the big fabric softener of measurer.Also can be used as asphalt emulsifier, organobentonite insulating covering agent.Also have been widely used in fields such as TOR, sugaring, textile printing and dyeing, articles for washing and makeup.
Production unit: flourish Haixing County, Taiyuan City chemical industry ltd, Tianjin photoinitiator chemical company of elder generation, the Shijiazhuang grand chemical industry technological development of length ltd.
7, Varisoft 432PPG (industrial goods); Flood week chief editor's Chinese tensio-active agent overview one book, Chemical Industry Press publishes, the 10th page.
Character: white paste.
Purposes: fabric softener, static inhibitor, amendment etc.
Production unit: the Jiangsu chemical limited-liability company of circling in the air, the long grand chemical industry technological development in Shijiazhuang ltd.
8, Repone K (industrial goods);
9, vitamins C (industrial goods);
10, methyl alcohol (industrial goods).
Each weight percentages of components of oil soluble wax removal viscosity-depression agent is:
1, isopropyl benzene 5.0～8.0%;
2, Virahol: 6～7.5%;
3,1,2-Ucar 35: 1.5～1.8%;
4,0# diesel oil: 10～15%;
5, butyl glycol ether or butyleneglycol ether: 2.5～3.0%;
6, the chlorination dimethyl dioctadecyl ammonium 2.0～3.0%;
7, Varisoft 432PPG 1.5～2.0%;
8, Repone K: 1.0～1.5%;
9, vitamins C: 0.01～0.02%;
10, all the other are methyl alcohol.
Two, the preparation method of oil soluble wax removal viscosity-depression agent
Major equipment: enamel reaction still with stirring, heating, cooling and vacuum system.
Working method: at first with isopropyl benzene, Virahol, 1; 2-Ucar 35, diesel oil, butyl glycol ether or five kinds of raw materials of butyleneglycol ether add enamel reaction still in proportion; Stir after 30 minutes, constantly adding chlorination dimethyl dioctadecyl ammonium, Varisoft 432PPG in proportion successively under the condition of stirring, continue to stir 30 minutes; Add Repone K, methyl alcohol, vitamins C at last in proportion, stir that discharging obtains oil soluble wax removal viscosity-depression agent after 20 minutes.
Described isopropyl benzene, Virahol, diesel oil, butyl glycol ether, butyleneglycol ether, methyl alcohol, 1,2-Ucar 35, Repone K and vitamins C are industrial chemicals commonly used, market is on sale.
During on-the-spot the use, regularly add from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate.
Beneficial effect of the present invention: oil soluble wax removal viscosity-depression agent of the present invention, be used for liquid level at dark well on the beam below 2300 meters moisture less than 30% o'clock paraffin removal from oil well viscosity reduction, during on-the-spot the use, press 0.4～0.5% of oil well daily fluid production rate and get final product from the adding regularly of oil jacket annular space.Can reduce the load of pumping unit of well.On probation through 10 mouthfuls of wells, the oil pumper load is average to descend 20.326 percentage points.
Embodiment
Embodiment 1: the oil soluble wax removal viscosity-depression agent that Zhao76-23XJing uses, and each weight percentages of components is: isopropyl benzene 7.50%; Virahol: 6.5%; 1,2-Ucar 35: 1.6%; 0# diesel oil: 13%; Butyl glycol ether: 2.8%; Chlorination dimethyl dioctadecyl ammonium 2.6%; Varisoft 432PPG 1.8%; Repone K: 1.4%; Vitamins C: 0.013%; All the other are methyl alcohol.
Its preparation method is: at first with isopropyl benzene, Virahol, 1; 2-Ucar 35, diesel oil, five kinds of raw materials of butyl glycol ether add enamel reaction still in proportion; Stir after 30 minutes, constantly adding chlorination dimethyl dioctadecyl ammonium, Varisoft 432PPG in proportion successively under the condition of stirring, continue to stir 30 minutes; Add Repone K, methyl alcohol, vitamins C at last in proportion, stir that discharging obtains oil soluble wax removal viscosity-depression agent after 20 minutes.
Use at Zhao76-23XJing, pump adds by 2300 meters deeply and is deep to 2700 meters, opens to produce to become continuous production, and working submergence becomes 150 meters by 11 meters.Routine maintenance regularly adds from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate, and the oil pumper load descends 19.76 percentage points.
Embodiment 2: at the oil soluble wax removal viscosity-depression agent that Zhao76-11Jing uses, each weight percentages of components is: isopropyl benzene 5.50%; Virahol: 7.5%; 1,2-Ucar 35: 1.8%; 0# diesel oil: 11%; Butyl glycol ether: 3%; Chlorination dimethyl dioctadecyl ammonium 2.1%; Varisoft 432PPG 1.4%; Repone K: 1.1%; Vitamins C: 0.015%; Methyl alcohol is 66.585%.
Zhao76-11Jing uses, and pump adds by 2205 meters deeply and is deep to 2415 meters, opens to produce to become continuous production.Routine maintenance regularly adds from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate, and the oil pumper load descends 21.91 percentage points.
Embodiment 3: oil soluble wax removal viscosity-depression agent, and each weight percentages of components is: isopropyl benzene 6%; Virahol: 7.3%; 1,2-Ucar 35: 1.7%; 0# diesel oil: 12%; Butyl glycol ether: 2.5%; Chlorination dimethyl dioctadecyl ammonium 2.3%; Varisoft 432PPG 1.6%; Repone K: 1.3%; Vitamins C: 0.017%; Methyl alcohol is 65.283%.
Zhao57-11Jing uses to pump deeply and carries, and pump adds by 2305 meters deeply and is deep to 2510 meters, opens to produce to become continuous production.Routine maintenance regularly adds from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate, and the oil pumper load descends 20.10 percentage points.
Embodiment 4: oil soluble wax removal viscosity-depression agent, and each weight percentages of components is: isopropyl benzene 6.5%; Virahol: 7%; 1,2-Ucar 35: 1.6%; 0# diesel oil: 14%; Butyleneglycol ether: 2.7%; Chlorination dimethyl dioctadecyl ammonium 2.7%; Varisoft 432PPG 1.8%; Repone K: 1.4%; Vitamins C: 0.018%; Methyl alcohol is 62.282%.
Zhao80Jing uses to pump deeply and carries, and pump adds by 2308 meters deeply and is deep to 2412 meters, opens to produce to become continuous production.Routine maintenance regularly adds from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate, and the oil pumper load descends 21.37 percentage points.
Embodiment 5: oil soluble wax removal viscosity-depression agent, and each weight percentages of components is: isopropyl benzene 8%; Virahol: 6%; 1,2-Ucar 35: 1.5%; 0# diesel oil: 15%; Butyleneglycol ether: 2.6%; Chlorination dimethyl dioctadecyl ammonium 2.1%; Varisoft 432PPG 1.9%; Repone K: 1.5%; Vitamins C: 0.02%; All the other are methyl alcohol.
Jin45-56Jing uses to pump deeply and carries, and pump adds by 2209 meters deeply and is deep to 2500 meters, opens to produce to become continuous production.Routine maintenance regularly adds from the oil jacket annular space by 0.4～0.5% of oil well daily fluid production rate, and the oil pumper load descends 18.49 percentage points.
Claims (2)
1. oil soluble wax removal viscosity-depression agent, it is characterized in that: each weight percentages of components is:
Isopropyl benzene 5.0～8.0%;
Virahol: 6～7.5%;
1,2-Ucar 35: 1.5～1.8%;
0# diesel oil: 10～15%;
Butyl glycol ether: 2.5～3.0%;
Chlorination dimethyl dioctadecyl ammonium 2.0～3.0%;
Varisoft 432PPG 1.5～2.0%;
Repone K: 1.0～1.5%;
Vitamins C: 0.01～0.02%;
All the other are methyl alcohol.
2. oil soluble wax removal viscosity-depression agent according to claim 1, it is characterized in that: the preparation method is: at first with isopropyl benzene, Virahol, 1,2-Ucar 35, diesel oil, five kinds of raw materials of butyl glycol ether add enamel reaction still in proportion; Stir after 30 minutes, constantly adding chlorination dimethyl dioctadecyl ammonium, Varisoft 432PPG in proportion successively under the condition of stirring, continue to stir 30 minutes; Add Repone K, methyl alcohol, vitamins C at last in proportion, stir that discharging obtains oil soluble wax removal viscosity-depression agent after 20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110027189 CN102146281B (en) | 2011-01-25 | 2011-01-25 | Oil-soluble paraffin-removal viscosity breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110027189 CN102146281B (en) | 2011-01-25 | 2011-01-25 | Oil-soluble paraffin-removal viscosity breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102146281A CN102146281A (en) | 2011-08-10 |
| CN102146281B true CN102146281B (en) | 2012-12-12 |
Family
ID=44420758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110027189 Active CN102146281B (en) | 2011-01-25 | 2011-01-25 | Oil-soluble paraffin-removal viscosity breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102146281B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190079A (en) * | 2016-08-10 | 2016-12-07 | 上海亚润能源技术有限公司 | A kind of multi-functional viscous crude inorganic agent and preparation method thereof |
| CN108467716B (en) * | 2018-03-28 | 2020-09-22 | 中国石油化工股份有限公司 | Oil-based paraffin remover |
| CN109943308A (en) * | 2019-03-13 | 2019-06-28 | 中国石油天然气股份有限公司 | A kind of oil field CO2It drives and uses wellbore oil heavy component deposit de-plugging agent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560177A (en) * | 2004-02-25 | 2005-01-05 | 石油大学(华东) | High temp. thicking oil viscosity reducing agent and preparation process thereof |
| CN101839123B (en) * | 2010-03-26 | 2013-07-10 | 李向东 | Exploitation method for wax precipitation oil reservoir |
-
2011
- 2011-01-25 CN CN 201110027189 patent/CN102146281B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102146281A (en) | 2011-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102635344B (en) | Composite blocking-removal method for improving flow conductivity of triple-low sandstone reservoir | |
| CN103074049B (en) | Fracturing fluid prepared by recovery waste water of crude oil and preparation method of fracturing fluid | |
| CN104119853B (en) | A kind of preparation method of air foam fracturing fluid | |
| CN103275684A (en) | Oilfield hot-washing oil-base high-efficiency paraffin-removal paraffin inhibitor | |
| CN109913193B (en) | Pressure-reducing and injection-increasing agent for water injection well of low-permeability oil reservoir and preparation method thereof | |
| CN102146281B (en) | Oil-soluble paraffin-removal viscosity breaker | |
| CN102635343B (en) | Method for lifting heavy oil through shaft in heavy oil cold production | |
| US10202540B2 (en) | Zirconium gel particle combination flooding system and preparation method thereof | |
| CN104531128A (en) | Guanidine gum fracturing fluid system | |
| CN107523287A (en) | A kind of combined high temperature acidification corrosion inhibitor based on pyridines quaternary ammonium salt | |
| CN105462675A (en) | Environment-friendly concentrated solution and preparation method thereof | |
| CN101538458B (en) | Oil well dispersive wax-proofing agent and preparation method thereof | |
| CN103074151A (en) | Concentrated solution for hydraulic support for mines and preparation method | |
| CN101538457B (en) | Input well composite blockage relieving agent and preparation method thereof | |
| CN102643637B (en) | Clear fracturing fluid | |
| CN105131927B (en) | Surfactant for binary combination flooding and preparation method thereof | |
| CN104119854A (en) | Anti-swelling clay stabilizer and preparation method thereof | |
| CN105542732B (en) | A kind of water injection well self-generating foam micella acid solution | |
| CN102399545B (en) | Sand-flushing well-cleaning agent for oil well | |
| CN101781767B (en) | Preparation method of solid corrosion-inhibition scale-inhibition bar used for oil field | |
| CN101712885B (en) | Dehydration demulsifying agent for clay-bearing produced fluid | |
| CN111394084B (en) | Oil displacement agent and preparation and application thereof | |
| CN101921583B (en) | Viscosity breaking agent for oil well produced liquid containing polymer or gel | |
| MY172817A (en) | Breaking diutan with metal activator down to 60 ?c (140 ?f) or lower | |
| CN111087347A (en) | Alkyl imidazoline sulfonate zwitterionic surfactant, composition, preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |