CN102010703A - Thickened oil cold production displacement agent for thickened oil production and preparation process thereof - Google Patents
Thickened oil cold production displacement agent for thickened oil production and preparation process thereof Download PDFInfo
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- CN102010703A CN102010703A CN2010105614139A CN201010561413A CN102010703A CN 102010703 A CN102010703 A CN 102010703A CN 2010105614139 A CN2010105614139 A CN 2010105614139A CN 201010561413 A CN201010561413 A CN 201010561413A CN 102010703 A CN102010703 A CN 102010703A
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Abstract
The invention discloses a thickened oil cold production displacement agent for thickened oil production, which consists of the following components in part by weight: 2 to 5 parts of coconut oleic acid, 3 to 6 parts of triethylene tetramine and 1 to 4 parts of polyester. A production process of the thickened oil cold production displacement agent comprises the following steps of: (1) adding the 3 to 6 weight parts of triethylene tetramine into a high-temperature reaction tank, slowly adding the coconut oleic acid, synthesizing carboxylic acid amine through saponification, and turning to the next process; (2) adding amine soap which is synthesized in the previous step into an autoclave, diluting, adding a catalyst, adding the polyester, sealing the autoclave, introducing N2 into the autoclave, taking a sample, observing the process the product turns brownish red, testing the viscosity of the product, then stopping heating when the viscosity of the product reaches 200 to 500 mPa/S, cooling to room temperature, discharging and obtaining thickened oil cold production displacement agent. The thickened oil cold production displacement agent can obviously reduce energy consumption, reduce the investment in corresponding matching technology and greatly reduce the production cost of the thickened oil and can improve the yield of the crude oil and increase the yield of the crude oil at the same time.
Description
Technical field
The present invention relates to the oil-displacing agent in the oil production process, particularly a kind of heavy oil cold flow production oil-displacing agent and manufacture craft thereof that is used for viscous oil recovery.
Background technology
Viscosity height, heavy crude oil claim viscous crude, and the viscous crude resistance to flow is big, flow into pit shaft from oil reservoir, or it is all very difficult to give rise to ground from pit shaft.Domestic to exploitation viscous crude pay attention to day by day, the main at present technology that adopts is " thermal recovery " and " cold adopting ", and the thermal recovery technology mainly is steam stimulation and combustion in situ dual mode.Steam stimulation mainly has following shortcoming: a. production rate decline (regression rate of every round steam exploitation is more than 30%); B. steam when exploitation steam advances and serious along most permeable zone fingering phenomenon to the top onlap, vertically sweeps oily coefficient and generally is difficult to surpass 50%.Situations such as thermosteresis is big, energy dissipation thereby cause, and back production water is low, and oil recovery factor is low occur.The cold technology of adopting mainly refers to take sand exploitation, but needs corresponding former supporting technology (spiral pump, hydraulic jet pump, electrically heated oil pipe etc.), drops into very significant cost height, and takes the sand exploitation and only be applicable to high sand content, the oil reservoir that oil reservoir is shallow.
Summary of the invention
Purpose of the present invention promptly is to overcome the shortcoming of prior art, a kind of heavy oil cold flow production oil-displacing agent and manufacture craft thereof that is used for viscous oil recovery is provided, can significantly cut down the consumption of energy, reduce the input of corresponding supporting technology, significantly reduce the cost of winning of viscous crude, also can improve simultaneously the recovery ratio of crude oil, increase the crude oil production amount.
Purpose of the present invention is achieved through the following technical solutions: a kind of heavy oil cold flow production oil-displacing agent that is used for viscous oil recovery, and it is made up of the feed composition of following weight parts content:
Cocinic acid 2～5
Triethylene tetramine 3～6
Polyethers 1～4.
A kind of production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, it may further comprise the steps:
(1) in the pyroreaction jar, add the triethylene tetramine of described weight part, be warmed up to 60～70 ℃ of technological temperatures after, slowly add cocinic acid, triethylene tetramine and cocinic acid carry out saponification reaction synthesis of carboxylic acid amine; Stir while adding cocinic acid, after treating that cocinic acid adds fully, be warmed up to 90～110 ℃ of technological temperatures again, behind the constant temperature 3～5 hours, water-soluble test is carried out in sampling, water-soluble fully up to sample, can not stop heating after the oyster white material occurs, be cooled to room temperature after discharging change next process over to;
(2) in autoclave, add procedure institute synthetic amine soap, be diluted to 50%～60% with refining pure water after, the adding catalyzer is warmed up to constant temperature behind 90～110 ℃ of the technological temperatures, slowly adds polyethers again, treat that polyethers adds after, seal still and charge into N
2And heat up, pressure-controlling is at 0.2～0.5MPa, after 130～150 ℃ of technological temperatures react 8～10 hours down, product is observed in sampling, be reddish brown up to product, test its viscosity and reach and stop heating behind 200～500mPa/s, be cooled to the room temperature discharging and be the viscous crude oil-displacing agent.
A kind of production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, catalyzer is the MMC bimetallic catalyst.
By top narration as can be seen, the present invention has the following advantages:
1, the present invention can be used for the water drive heavy crude producing separately and also can use improve single-wheel time steam produced quantity with vapor mixing.The present invention is used for heavy oil cold flow production, do not need steam-heated cal(l)andria or its supporting technology, can carry out the exploitation of viscous crude after directly the stratum being injected in this product dilution back, directly carry out displacement of reservoir oil exploitation, reduce production cost, improve the field produces input ratio injecting the stratum with water filling in the oil-displacing agent waterflood-transmission line that oneself builds up in present each oil field; Particularly singly be used for the water drive heavy crude producing and can reduce the field produces energy consumption greatly, reduce production cost, particularly pass through traditional production technique for those, i.e. " thermal recovery ", " cold adopting ", oil well that can't be fuel-displaced after the exploitation adopts that filling is cold drives agent and carry out displacement of reservoir oil exploitation, also can obtain effect preferably, thereby improved the recovery ratio of crude oil, increased the crude oil production amount.
2, the present invention selects for use triethylene tetramine and cocinic acid to carry out the solubleness height of saponification reaction institute synthesis of carboxylic acid amine than other ammonium soaps, potash soap, soda soap, can make at an easy rate that w/o type crude oil changes the O/W state in the stratum.Because synthesized the solution viscosity of table agent alive with triethylene tetramine and cocinic acid higher, therefore also improved ripple and hit scope on the injection stratum, make its effect stratum scope wider, have the effect that replaces polymer flooding, reduced production cost.
3, the present invention compares with the tensio-active agent that tradition is used for viscosity reducing, has stronger high-temperature resistance, tradition is used for that the viscosity reducing tensio-active agent is high temperature resistant generally can be above 120 ℃, and the invention has stronger heat-resisting ability, can use with 300 ℃ vapor mixing, improve steam single-wheel time petroleum production.
Table one: Daqing oil field heavy oil wells test effect of increasing production table:
The present invention is black Supreme Being mausoleum viscous crude pilot production technological development company limited effect in the grand celebration high and new technology industrial development zone: the 6 mouthfuls of wells of constructing in the black oil field, Supreme Being mausoleum of grand celebration altogether in 2009 years, several mouthfuls of well effects of this of being constructed are fairly obvious.Wherein: the shallow J5-4 well in Portugal before adding oil-displacing agent of the present invention because the crude oil spy is thick, the also more difficult extraction of steam treatment, the back adopts 2 tons of oil-displacing agents of the present invention to inject with 1000 tons of steam, stewing well two days is produced and is seen oil.Count on by the end of December then and (last 7 months), 693.4 tons of crude oil of common property oil, also fuel-displaced at present in continuation.The shallow J6-4 well in Portugal also is because the crude oil spy is thick before adding the invention oil-displacing agent, and the also more difficult extraction of steam treatment is adopting 2 tons of oil-displacing agents of the present invention to inject with 1000 tons of steam, and stewing well two days is produced and seen oil.Count on by the end of December then and (last 7 months), 74.9 tons of crude oil of common property oil, also fuel-displaced at present in continuation.The shallow 10-4 well in Portugal is annotated 1000 tons of steam before adding oil-displacing agent of the present invention can produce 80 tons of left and right sides crude oil in every month, and after adopting 2 tons of oil-displacing agents of the present invention to inject with 1000 tons of steam, first month just produced 337.9 tons of crude oil, and incremental oil production was 257.9 tons in one month.The shallow 10-5 well in Portugal is annotated 1000 tons of crude oil that steam can produce about 24.8 tons in every month before oil-displacing agent of the present invention, after adopting 2 tons of oil-displacing agents of the present invention to inject with 1000 tons of steam, first moon has just been produced 173.6 tons of crude oil, 148.8 tons of month incremental oil productions of this well.
Table two: Jilin Oil Field heavy oil wells test effect of increasing production table:
On December 6th, 2009 was done filling oil-displacing agent test of the present invention in Jilin Oil Field 107 and 109 liang of blocks respectively.Form of construction work: 250kg oil-displacing agent of the present invention is diluted to 50 m
3In the local water, inject into well, closing well is two days then, in opening well and making production on December 8: 107 blocks are because situations such as wax content in crude oil height, formation temperature low (18 ℃), producing energy deficiencies, before experiment, adopted many kinds of oil production technology all not have the crude oil extraction, after adding oil-displacing agent of the present invention, opening well and making production was seen oil in continuous three days, every day fuel-displaced 100kg; Discharge because of the not enough aneroid of producing energy the back.Every day can produce oil about 1 ton before experiment for the 109-9-33 well, adds oil-displacing agent of the present invention after, 235 tons of daily output crude oil, every day, incremental oil production was about 2 tons, this is tested this well and increases production about a week continuously; The 109-9-3l well before experiment about every day produce oil 0.6-1 ton, add oil-displacing agent of the present invention after, daily output crude oil 2-2.2 ton increases production 1 ton of crude oil every day; This is tested this well and increases production continuously about 20 days, at present still in volume increase.
Embodiment
The present invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to the following stated:
[embodiment 1]: a kind of heavy oil cold flow production oil-displacing agent that is used for viscous oil recovery, it is made up of the feed composition of following weight parts content:
Cocinic acid 2
Triethylene tetramine 3
Polyethers 1.
A kind of production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, it may further comprise the steps:
(1) in the pyroreaction jar, add the triethylene tetramine of described weight part, be warmed up to 60 ℃ of technological temperatures after, slowly add cocinic acid, triethylene tetramine and cocinic acid carry out saponification reaction synthesis of carboxylic acid amine; Stir while adding cocinic acid, after treating that cocinic acid adds fully, be warmed up to 90 ℃ of technological temperatures again, behind the constant temperature 3 hours, water-soluble test is carried out in sampling, water-soluble fully up to sample, can not stop heating after the oyster white material occurs, be cooled to room temperature after discharging change next process over to;
(2) in autoclave, add procedure institute synthetic amine soap, be diluted to 50% with refining pure water after, the adding catalyzer, catalyzer is the MMC bimetallic catalyst, is warmed up to constant temperature behind 90 ℃ of the technological temperatures, slowly adds polyethers again, after treating that polyethers adds, the envelope still charges into N
2And heat up, pressure-controlling is at 0.2MPa, and 130 ℃ reaction is after 10 hours down at technological temperature, and product is observed in sampling, is reddish brown up to product, tests to stop heating after its viscosity reaches 200mPa/s, is cooled to the room temperature discharging and is the viscous crude oil-displacing agent.
[embodiment 2]: a kind of heavy oil cold flow production oil-displacing agent that is used for viscous oil recovery, it is characterized in that: it is made up of the feed composition of following weight parts content:
Cocinic acid 5
Triethylene tetramine 6
Polyethers 4.
A kind of production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, it may further comprise the steps:
(1) in the pyroreaction jar, add the triethylene tetramine of described weight part, be warmed up to 70 ℃ of technological temperatures after, slowly add cocinic acid, triethylene tetramine and cocinic acid carry out saponification reaction synthesis of carboxylic acid amine; Stir while adding cocinic acid, after treating that cocinic acid adds fully, be warmed up to 110 ℃ of technological temperatures again, behind the constant temperature 5 hours, water-soluble test is carried out in sampling, water-soluble fully up to sample, can not stop heating after the oyster white material occurs, be cooled to room temperature after discharging change next process over to;
(2) in autoclave, add procedure institute synthetic amine soap, be diluted to 70% with refining pure water after, the adding catalyzer, catalyzer is the MMC bimetallic catalyst, is warmed up to constant temperature behind 110 ℃ of the technological temperatures, slowly adds polyethers again, after treating that polyethers adds, the envelope still charges into N
2And heat up, pressure-controlling is at 0.5MPa, and 150 ℃ reaction is after 8 hours down at technological temperature, and product is observed in sampling, is reddish brown up to product, tests to stop heating after its viscosity reaches 500mPa/s, is cooled to the room temperature discharging and is the viscous crude oil-displacing agent.
[embodiment 3]: a kind of heavy oil cold flow production oil-displacing agent that is used for viscous oil recovery, it is made up of the feed composition of following weight parts content:
Cocinic acid 3
Triethylene tetramine 5
Polyethers 2.
A kind of production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, it may further comprise the steps:
(1) in the pyroreaction jar, add the triethylene tetramine of described weight part, be warmed up to 65 ℃ of technological temperatures after, slowly add cocinic acid, triethylene tetramine and cocinic acid carry out saponification reaction synthesis of carboxylic acid amine; Stir while adding cocinic acid, after treating that cocinic acid adds fully, be warmed up to 100 ℃ of technological temperatures again, behind the constant temperature 4 hours, water-soluble test is carried out in sampling, water-soluble fully up to sample, can not stop heating after the oyster white material occurs, be cooled to room temperature after discharging change next process over to;
(2) in autoclave, add procedure institute synthetic amine soap, be diluted to 60% with refining pure water after, the adding catalyzer, catalyzer is the MMC bimetallic catalyst, is warmed up to constant temperature behind 100 ℃ of the technological temperatures, slowly adds polyethers again, after treating that polyethers adds, the envelope still charges into N
2And heat up, pressure-controlling is at 0.3MPa, and 140 ℃ reaction is after 9 hours down at technological temperature, and product is observed in sampling, is reddish brown up to product, tests to stop heating after its viscosity reaches 300mPa/s, is cooled to the room temperature discharging and is the viscous crude oil-displacing agent.
Claims (2)
1. heavy oil cold flow production oil-displacing agent that is used for viscous oil recovery, it is characterized in that: it is made up of the feed composition of following weight parts content:
Cocinic acid 2～5
Triethylene tetramine 3～6
Polyethers 1～4.
2. production technique that is used for the heavy oil cold flow production oil-displacing agent of viscous oil recovery, it is characterized in that: it may further comprise the steps:
(1) in the pyroreaction jar, add the triethylene tetramine of described weight part, be warmed up to 60～70 ℃ of technological temperatures after, slowly add cocinic acid, triethylene tetramine and cocinic acid carry out saponification reaction synthesis of carboxylic acid amine; Stir while adding cocinic acid, after treating that cocinic acid adds fully, be warmed up to 90～110 ℃ of technological temperatures again, behind the constant temperature 3～5 hours, water-soluble test is carried out in sampling, and is water-soluble fully up to sample, can not stop heating after the oyster white material occurs, be cooled to discharging synthetics amine soap after the room temperature, change next process over to;
(2) in autoclave, add procedure institute synthetic amine soap, be diluted to 50%～70% with refining pure water after, the adding catalyzer is warmed up to constant temperature behind 90～110 ℃ of the technological temperatures, slowly adds polyethers again, treat that polyethers adds after, seal still and charge into N
2And heat up, pressure-controlling is at 0.2～0.5MPa, after 130～150 ℃ of technological temperatures react 8～10 hours down, product is observed in sampling, be reddish brown up to product, test its viscosity and reach and stop heating behind 200～500mPa/s, be cooled to the room temperature discharging and be the viscous crude oil-displacing agent.
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| CN201010561413A CN102010703B (en) | 2010-11-27 | 2010-11-27 | Thickened oil cold production displacement agent for thickened oil production and preparation process thereof |
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| CN102010703A true CN102010703A (en) | 2011-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275687A (en) * | 2013-05-24 | 2013-09-04 | 中国石油天然气股份有限公司 | Thickened oil cold production agent and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050049147A1 (en) * | 2003-08-25 | 2005-03-03 | M I Llc. | Flat rheology drilling fluid |
| CN101024153A (en) * | 2007-01-12 | 2007-08-29 | 辽河石油勘探局 | Compound-type demulsifying agent of thick-oil steam-driven dewatering type |
| CN101328798A (en) * | 2008-07-31 | 2008-12-24 | 中国石油天然气股份有限公司 | Method for extracting thick oil |
| CN101805599A (en) * | 2010-04-16 | 2010-08-18 | 西安石油大学 | Crosslinked polycation oil displacement agent and preparation method thereof |
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2010
- 2010-11-27 CN CN201010561413A patent/CN102010703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050049147A1 (en) * | 2003-08-25 | 2005-03-03 | M I Llc. | Flat rheology drilling fluid |
| CN101024153A (en) * | 2007-01-12 | 2007-08-29 | 辽河石油勘探局 | Compound-type demulsifying agent of thick-oil steam-driven dewatering type |
| CN101328798A (en) * | 2008-07-31 | 2008-12-24 | 中国石油天然气股份有限公司 | Method for extracting thick oil |
| CN101805599A (en) * | 2010-04-16 | 2010-08-18 | 西安石油大学 | Crosslinked polycation oil displacement agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275687A (en) * | 2013-05-24 | 2013-09-04 | 中国石油天然气股份有限公司 | Thickened oil cold production agent and preparation method and application thereof |
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