CN102533241B - Crude oil pour point depressant - Google Patents
Crude oil pour point depressant Download PDFInfo
- Publication number
- CN102533241B CN102533241B CN 201110446710 CN201110446710A CN102533241B CN 102533241 B CN102533241 B CN 102533241B CN 201110446710 CN201110446710 CN 201110446710 CN 201110446710 A CN201110446710 A CN 201110446710A CN 102533241 B CN102533241 B CN 102533241B
- Authority
- CN
- China
- Prior art keywords
- oil
- crude oil
- pour point
- point depressant
- percent
- 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
Abstract
The invention relates to crude oil pour point depressant, which is applied to the technical field of oil extraction in oil fields and is characterized by comprising the following ingredients in percentage by weight: 3.5 to 4.0 percent of fatty alcohol of styrene-maleic anhydride resin, 2.0 to 2.25 percent of acrylic octadecanol ester-styrene copolymer pour point depressant, 10.5 to 11.0 percent of novel crude oil flowability modifier MSMO, 0.0001 to 0.00015 percent of fatty imidized polyolefin maleic anhydride copolymers, 0.0002 to 0.0003 percent of N-(fully-fluorinated amino-octanoate) propyl trimethyl ammonium iodide, 0.0001 to 0.00015 percent of fully-fluorinated decene anisamide propyl triethyl ammonium iodide, 30 to 35 percent of No.-10 diesel oil and the balance No.200 solvent oil, and the sum of the weight percentage of all ingredients is one hundred percent. The crude oil pour point depressant has the effects that the crude oil pour point depressant is regularly added into crude oil in an oil well from an annular space formed between an oil pipe and a sleeve of the oil well at the speed of 200 to 250mg/l, and the freezing point of the crude oil in the high-freezing-point oil well can be lowered to 5 to 10 DEG C.
Description
Technical field
The present invention relates to the oil extraction in oil field technical field, particularly a kind of crude oil chemical processing agent is a kind of pour point depressant for crude oil.
Background technology
At present, high solidifying not moisture or low wet oil causes pumping unit load to increase in recovery process because zero pour is high, particularly again rises when taking out having a power failure, and momentary load is very big, causes the rod parting phenomenon to happen occasionally.
In the pipe laying in oil field, carry high solidifying not moisture or low wet oil, poor because of former oil freezing point high workability, must adopt the initial station pressure that raises to guarantee the normal conveying of crude oil; Some interpolation pour point depressants reduce former oil freezing point to be carried, but different crude oil has very large difference to the adaptability of pour point depressant.
The general situation of development of domestic and international pour point depressant for crude oil introduced in my progress one literary composition that is published in the pour point depressant for crude oil on the 4th phase in 2005 such as Kang Wanli, emphasis has been set forth the progress of the aspects such as influence factor (comprising crude oil composition, thermal treatment temp, speed of cooling, pour point depressant add-on, shearing action) of the mechanism of action, constitutional features, the pour point depression effect of pour point depressant for crude oil, has provided the kind of domestic existing pour point depressant and the domestic and international rig-site utilization example of pour point depressant.Proposition should be strengthened pour point depressant for crude oil pour point depression mechanism, influencing each other between the different chemical agent that is used for pour point depression of crude oil and viscosity reduction acted on and the research of the problem such as pour point depressant for crude oil research direction.
Summary of the invention
The objective of the invention is: a kind of pour point depressant for crude oil is provided, and regularly oil pipe and the annular space between the sleeve pipe from oil well joins the oil well crude oil, and the former oil freezing point of high-solidifiability oil well is descended; Join in the long-distance transport pipes, long-distance transport pipes Crude Oil zero pour is descended.
The technical solution used in the present invention is: the raw material of pour point depressant for crude oil (component) comprising:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin, another name: SMA esterification resin.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 523rd page; Chemical Industry Press publishes.
Character: be nonionic surface active agent, have preferably pour point depression, fall glutinous and wax control performance.Purposes: the exploitation of waxy crude oil, conveying are used as the pour point depression visbreaking agent, also are Wax coagulation preventing agents, are a kind of novel centralized procurement auxiliary agents.Production unit: Daqing Petroleum Institute.
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant, another name: pour point depressant for crude oil MS.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 524th page; Chemical Industry Press publishes;
Character: have preferably pour point depression.Purposes: pour point depressant for crude oil, add in the crude oil of Jiang-Han Area, 500mg/l can make former oil freezing point be down to 17 ℃ from 28 ℃.With the alternative high wax content oil exploitation of this method and heating conveying method pipe transmission method.Manufacturer: Jianghan Petroleum College
3, the novel crude oil flowability must be advanced agent MSMO, another name: pour point depression, fall glutinous, paraffin inhibitor chemical MSMO.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 525th page; Chemical Industry Press publishes.
Character: have a plurality of lipophilic groups and hydrophilic radical in the molecule, both can adsorb well the moisture content in the crude oil of various hydrocarbon and conveying in the crude oil, also has good molecular flexibility, therefore it can improve the flowing property of crude oil all sidedly, reduce significantly its resistance to flow, play pour point depression, fall glutinous, wax control effect.Purposes: the Crude Oil Transportation FLOW IMPROVERS, novel pour point depression, glutinous, paraffin inhibitor chemical falls, can reduce significantly the drag losses of crude oil in flow process, therefore can fundamentally reach energy-conservation purpose.Manufacturer: chemical engineering institute of Qiqihar University.
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia, another name: T811 lubricating oil helps pour point depressant.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 530th page; Chemical Industry Press publishes.
Purposes: the surrogate of T803 pour point depressant, multi-grade oil pour point lubricating oil helps pour point depressant.Production unit: Beijing Research Institute of Petro-Chemical Engineering, Lanzhou oil-refining chemical head factory additive factory.
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 101st page; Chemical Industry Press publishes.
Character: have hydrophobic and two kinds of character of oleophobic, the surface tension of energy decrease gasoline, adding 0.002% surface tension is 25mN/m.So that the droplet of gasoline in the automobile vaporizing chamber attenuates, burn more abundant.Purposes: the new type gasoline oil-saving agent, after adding 0.0002%～0.0003% in the gasoline, but fuel-economizing is more than 15%.Production unit: Xi'an Inst. of Modern Chemistry.
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium.Huang Hongzhou chief editor's Chinese tensio-active agent overview one book, the 102nd page; Chemical Industry Press publishes.
Purposes: oil soluble surfactant; Production unit: Shanghai organic chemistry institute of the Chinese Academy of Sciences.
7, negative 10# diesel oil.Can purchase on the market and arrive.
8,200# solvent oil.Can purchase on the market and arrive.
Pour point depressant for crude oil, each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.5～4.0%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.0～2.25%;
3, the novel crude oil flowability must be advanced agent MSMO:10.5～11.0%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.0001～0.00015%;
5, N-perfluor decoyl is amino) the oxypropyl trimethyl ammonium iodide: 0.0002～0.0003%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.0001～0.00015%;
7, negative 10# diesel oil: 30～35%;
8, all the other are the 200# solvent oil, and each weight percentages of components sum is absolutely.
The production method of pour point depressant for crude oil:
Major equipment: the 5000L enamel reaction still with stirring, heating, refrigerating function.
Production method: at first, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant, novel crude oil flowability must be advanced four kinds of raw materials such as agent MSMO, negative 10# diesel oil and add by weight enamel reaction still.Slowly be warmed up to 65～75 ℃.Stir and add in proportion this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide, perfluor decene after 30 minutes to oxy benzamide propyl group triethyl iodate ammonium, under constantly stirring, add first the 200# solvent oil at last, continue to stir after 30 minutes, stopped heating, stir while cooling off, cooling also is stirred to normal temperature, obtains pour point depressant for crude oil.
The using method of summary pour point depressant for crude oil: regularly join the oil well from the oil jacket annular space by 200～250mg/l, reduce former oil freezing point, thereby reduce the oil well load; More than former oil freezing point, join in the long-distance transport pipes by 150～200mg/l, reduce former oil freezing point.
Beneficial effect of the present invention: pour point depressant for crude oil of the present invention, regularly join the oil well crude oil from oil pipe and the annular space between the sleeve pipe of oil well by 200～250mg/l, the former oil freezing point of high-solidifiability oil well is descended 5～10 ℃; Join in the long-distance transport pipes by 150～200mg/l, former oil freezing point is descended 7～12 ℃.
Embodiment
Embodiment 1: pour point depressant for crude oil, and each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.5%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2%;
3, the novel crude oil flowability must be advanced agent MSMO:10.6%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.00011%;
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.0002%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.00015%;
7, negative 10# diesel oil: 35%;
8,200# solvent oil: 48.89954%.
The production method of pour point depressant for crude oil: at first, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant, novel crude oil flowability must be advanced four kinds of raw materials such as agent MSMO, negative 10# diesel oil and add by weight enamel reaction still.Slowly be warmed up to 65～75 ℃.Stir and add in proportion this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide, perfluor decene after 30 minutes to oxy benzamide propyl group triethyl iodate ammonium, under constantly stirring, add first the 200# solvent oil at last, continue to stir after 30 minutes, stopped heating, stir while cooling off, cooling also is stirred to normal temperature, obtains pour point depressant for crude oil.
Press 200mg/l regularly from the oil pipe of oil well and the annular space between the sleeve pipe, evenly join in the oil well crude oil, the former oil freezing point of high-solidifiability oil well is descended 6 ℃.
Embodiment 2: pour point depressant for crude oil, and each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.9%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.1%;
3, the novel crude oil flowability must be advanced agent MSMO:10.8%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.00013%;
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.00024%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium 0.00013%;
7, negative 10# diesel oil: 31%;
8,200# solvent oil: 52.1995%, each weight percentages of components sum is absolutely.
The preparation method is identical with embodiment 1.Evenly join in the long-distance transport pipes by 150～200mg/l, long-distance transport pipes Crude Oil zero pour is descended 10 ℃.
Embodiment 3: pour point depressant for crude oil, and each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.6%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.15%;
3, the novel crude oil flowability must be advanced agent MSMO:11%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.00015%;
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.00026%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.00012%;
7, negative 10# diesel oil: 33%;
8,200# solvent oil: 50.24947%.
The preparation method is identical with embodiment 1.Press 250mg/l regularly from the oil pipe of oil well and the annular space between the sleeve pipe, evenly join in the oil well crude oil, the former oil freezing point of high-solidifiability oil well is descended 8 ℃.
Embodiment 4: pour point depressant for crude oil, and each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.8%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.2%;
3, the novel crude oil flowability must be advanced agent MSMO:10.7%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.00012%;
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.0003%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.00011%;
7, negative 10# diesel oil: 32%;
8,200# solvent oil: 51.29947%.
The preparation method is identical with embodiment 1.Press 230mg/l regularly from the oil pipe of oil well and the annular space between the sleeve pipe, evenly join in the oil well crude oil, the former oil freezing point of high-solidifiability oil well is descended 8 ℃.
Embodiment 5: pour point depressant for crude oil, and each weight percentages of components is:
1, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.6%;
2, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.25%;
3, the novel crude oil flowability must be advanced agent MSMO:10.9%;
4, this acid anhydride copolymer of aliphatic bismaleimide polyolefine Malaysia: 0.00014%;
5, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.00028%;
6, the perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.00014%;
7, negative 10# diesel oil: 34%;
8,200# solvent oil: 49.24944%, each weight percentages of components sum is absolutely.
The preparation method is identical with embodiment 1.Press 200mg/l regularly from the oil pipe of oil well and the annular space between the sleeve pipe, evenly join in the oil well crude oil, the former oil freezing point of high-solidifiability oil well is descended 7 ℃.
Claims (2)
1. pour point depressant for crude oil, each weight percentages of components is:
The aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin: 3.5～4.0%;
Vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant: 2.0～2.25%;
Novel crude oil fluidity improver MSMO:10.5～11.0%;
Aliphatic bismaleimide polyolefine copolymer-maleic anhydride: 0.0001～0.00015%;
N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide: 0.0002～0.0003%;
The perfluor decene is to oxy benzamide propyl group triethyl iodate ammonium: 0.0001～0.00015%;
Negative 10# diesel oil: 30～35%;
All the other are the 200# solvent oil, and each weight percentages of components sum is absolutely.
2. the production method of pour point depressant for crude oil according to claim 1: it is characterized in that: at first, the aliphatic alcohol ester of vinylbenzene-cis-butenedioic anhydride resin, vinylformic acid stearyl alcohol ester-styrol copolymer pour point depressant, novel crude oil fluidity improver MSMO, negative four kinds of raw materials of 10# diesel oil add enamel reaction still by weight; Slowly be warmed up to 65～75 ℃; Stir and add in proportion aliphatic bismaleimide polyolefine copolymer-maleic anhydride, N-(the perfluor decoyl is amino) oxypropyl trimethyl ammonium iodide, perfluor decene after 30 minutes to oxy benzamide propyl group triethyl iodate ammonium, under constantly stirring, add first the 200# solvent oil at last, continue to stir after 30 minutes, stopped heating, stir while cooling off, cooling also is stirred to normal temperature, obtains pour point depressant for crude oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110446710 CN102533241B (en) | 2011-12-28 | 2011-12-28 | Crude oil pour point depressant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110446710 CN102533241B (en) | 2011-12-28 | 2011-12-28 | Crude oil pour point depressant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102533241A CN102533241A (en) | 2012-07-04 |
| CN102533241B true CN102533241B (en) | 2013-10-16 |
Family
ID=46341305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110446710 Active CN102533241B (en) | 2011-12-28 | 2011-12-28 | Crude oil pour point depressant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102533241B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214516A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method and device for reducing starting throughout of output crude oil |
| CN105387347B (en) * | 2015-10-13 | 2017-09-12 | 中海油能源发展股份有限公司 | A kind of crude oil pour-point depressant and preparation method thereof |
| CN108730770A (en) | 2017-04-13 | 2018-11-02 | 通用电气公司 | The method that oil generates wax deposit is reduced for the wax-proofing agent of oil and with wax-proofing agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210173A (en) * | 2006-12-28 | 2008-07-02 | 富顺集团控股有限公司 | Highly effective pour depressant for thermodynamic oil extraction process |
-
2011
- 2011-12-28 CN CN 201110446710 patent/CN102533241B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210173A (en) * | 2006-12-28 | 2008-07-02 | 富顺集团控股有限公司 | Highly effective pour depressant for thermodynamic oil extraction process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102533241A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102559302B (en) | Diesel pour point depressant and preparation method thereof | |
| CN102533241B (en) | Crude oil pour point depressant | |
| CN104357101A (en) | High-efficiency stable composite biodiesel fuel | |
| CN100595220C (en) | Method for manufacturing oil solubility thick oil thinner for thick oil pipe-line transportation | |
| CN111019033B (en) | Preparation method of pour point depressant for high-wax-content crude oil | |
| JP2001524578A (en) | Additives for biodiesel and biofuel oils | |
| CN103642546A (en) | Diesel oil pour-point and viscosity reducer, and preparation method thereof | |
| CN106883918A (en) | A kind of long-life diesel engine oil of high pressure-charging and preparation method thereof | |
| CN102627716A (en) | Preparation method for polymethacrylate pour point depressant | |
| CN104650996B (en) | A kind of fuel oil and preparation method thereof | |
| CN102863473B (en) | Six-ring alkylsiloxane-phosphoric acid ester natural gas line corrosion inhibition type drag reducer and preparation method thereof | |
| CN103965394B (en) | A kind of preparation method of polymethacrylate viscosity index improver | |
| CN109337010B (en) | Pour point depressant for crude oil and preparation method thereof | |
| CN101705120B (en) | Latent solvent for diesel pour inhibitor and preparation method thereof | |
| CN110791201A (en) | Motor vehicle cavity protective wax and preparation method thereof | |
| CN102260523B (en) | Crude oil dehydrating low-temperature emulsion breaker and preparation method thereof | |
| CN113122215B (en) | Oil-soluble viscosity reducer for viscosity reduction of thick oil and preparation method thereof | |
| EP3298111B1 (en) | Fuel composition and use thereof | |
| CN104152190B (en) | A kind of biodiesel additive and preparation method thereof | |
| CN105949380A (en) | Ternary polymer diesel pour point reducer composition and preparation method thereof | |
| CN109574846B (en) | Method for preparing low-sulfur diesel lubricity improver by using ultrasonic waves | |
| CN105199030B (en) | A kind of pour point depressing and drag reducing agent and preparation method thereof | |
| CN103421625B (en) | A kind of long distance pipeline paraffin remover and wax removal delivery technology method | |
| CN104789284A (en) | Multifunctional low-sulfur diesel oil anti-wear agent and application thereof | |
| CN101781590B (en) | Accelerating agent for heavy fuel oil |
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 |