CN1480627A - Technique for dissecting depth of sludge containing oil in injection well - Google Patents
Technique for dissecting depth of sludge containing oil in injection well Download PDFInfo
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- CN1480627A CN1480627A CNA031497586A CN03149758A CN1480627A CN 1480627 A CN1480627 A CN 1480627A CN A031497586 A CNA031497586 A CN A031497586A CN 03149758 A CN03149758 A CN 03149758A CN 1480627 A CN1480627 A CN 1480627A
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- profile control
- oily sludge
- slug
- agent
- well
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Abstract
A deep section regulating technique for regulating the water absorbing section of water injection well features that its section regulating agent is prepared from the additive and oil-contained sludge which has high compatibility to stratum. Its advantage is high plugging effect to high penetration stratum.
Description
Technical field:
The present invention relates to a kind of technical method that is used to improve the water flooding effect, belong to oilfield chemistry and oil production technology class.
Background technology:
Oily sludge is the industrial waste that produces in the oilfield process.At present, on-the-spot to good processing and the comprehensive utilization measures of oily sludge shortage, processing method mainly is to burn or landfill, like this, not only can not be used to oily sludge, causes environment pollution on the contrary easily.Meanwhile, because the existence of oil well oil reservoir heterogeneous body and interlayer contradiction, the water breakthrough problem often takes place in reservoir waterflooding, injection water is mainly the high-permeability pay absorption and advances by leaps and bounds therein, have a strong impact on the oilfield exploitation effect, at present also lack good profile control agent and profile control technique is adjusted water injection profile,, improve the stratified deposit exploitation effect to improve the water filling situation.
Summary of the invention:
The object of the present invention is to provide a kind of water injection well oily sludge depth profile control technology that not only can have been fully utilized but also can improve the stratified deposit exploitation effect to oily sludge.
The present invention realizes like this.This kind profile control technique is to utilize oily sludge to originate in the stratum, with the stratum favorable factor of good compatibility is arranged, the employing chemical treatment method utilizes mud component, oil ingredient and the number of chemical additive in the oily sludge, be prepared into the oily sludge profile control agent, the duct that forms of shutoff high permeability zone waterflood flush effectively, thus reach the purpose of adjusting water injection profile, improving the oil recovery effect.
The component of the profile control agent that this technology provides and preparation consumption are as shown in the table:
The implementation step and the main points of this technology are as follows: 1, the preparation of oily sludge profile control agent: a, add emulsifier and dispersing agent by last table specified volume, treat to add oil-containing again after its dissolving
| Title | Specification and model | Concentration | Consumption (%) |
| Emulsifier | Micella order soma powder | Pure dry powder | 3～4 (weight) |
| Dispersing agent | ??90001(FO-I) | Pure dry powder | 0.1～0.4 (weight) |
| Polyacrylamide | Molecular weight＞1,600 ten thousand | Pure dry powder | 0.2～0.3 (weight) |
| Crosslinking agent | Sodium dichromate | ????99％ | 0.8～0.9 (weight) |
| Stabilizing agent | Thiocarbamide | Pure dry powder | 0.1～0.4 (weight) |
| Delayer | Composite dose of oxalic acid, hydrochloric acid | Pure dry powder | 0.1～0.2 (weight) |
| Compound anion resin | Composite dose of resin, milk of lime | ????99％ | 3.0～5.0 (volumes) |
| Oily sludge | Industrial waste | 5～10 (volumes) |
Mud stirs; B, add compound anion resin by last table specified volume, and stir with self priming pump; C, utilization are sprayed the batch mixing funnel and are added polyacrylamide by last table ormal weight earlier, add ormal weight crosslinking agent, stabilizing agent and delayer more successively, and stir; 2, preparation of construction: a, construction equipment roping to well site is rationally put.Site operation is as follows with capital equipment: transfer drive pumpage 6～10m
31 10m of/h
31 self priming pump discharge capacity of dosing pond band mechanical agitator 3 batch mixing funnels ejection-type, 1～3m
31 b of 3 cementing trucks of 1 water-tank lorry of 2 platform scales of 2 soft water cages of/h band 30Mpa, connect transfer drive pumping source circuit and import and export pipeline, pressure testing 20Mpa; C, will spray the batch mixing funnel and be placed on the dosing pond, import is connected with water supply line, and outlet is connected with the dosing pond; 3, injecting profile control agent: a, slug injection mode: field mix, inject a mud slug earlier, a resin slug reinjects, this is a principal piece plug, according to construction well concrete condition, can inject several principal piece plugs, the gel slug injects at last as isolating slug; B, dosing be V=π r by formula
2Ф h calculates, and wherein, π-pi gets 3.14; R-profile control radius, m generally gets 9～10m; H-handles water accepting layer thickness, m; Ф-oil reservoir degree of porosity %; Each parameter is determined according to the concrete data of each block construction well in the scene, calculates dosing; C, alternately prepare profile control agent by the pond, and pursue the pond with the transfer drive pump and inject into well with 3 dosing ponds; 4, after injection finishes, replace 1.2 times of tubing string internal volume water yields, closing well Hou Ning 5 days; 5, resume production by the requirement of geology department.
Adjustment technical matters provided by the invention is simple, easy to implement, utilize this technology both to solve the problem of environmental pollution that is caused when oily sludge is handled, can reach the purpose of adjusting intake profile, improving the oil reservoir exploitation effect again effectively, utilize this technology can obtain good social benefit and economic benefit, be suitable for extensive employing.
Embodiment 1: preparation oily sludge profile control agent: get 0.375 ton of dispersing agent and add 5m
3Stir in the oily sludge, add 5m with self priming pump
3Compound anion resin, and stir, utilize injection batch mixing funnel to add 0.25 ton of polyacrylamide, 0.0875 ton of crosslinking agent, 0.3 ton of stabilizing agent, 0.1875 ton of delayer successively, and stir; Injecting profile control agent: inject 4 principal piece plugs one by one to certain water injection well, in first principal piece plug, mud slug, resin slug respectively are 100m
3, second, third, in the 4th principal piece plug, the mud slug is 150m
3, the resin slug is 100m
3, inject gel slug 260m at last
3This water injection well program in accordance with regulations injects oily sludge profile control agent 1210m altogether
3Back well group well oil output increases, and moisture content descends, and sees good result.Embodiment 2: according to embodiment 1 identical process certain water injection well being implemented the construction of oily sludge profile control agent.Each amounts of components is when wherein, preparing profile control agent: 4 tons of emulsifier, 0.4 ton of dispersing agent, 0.265 ton of polyacrylamide, 0.09 ton of crosslinking agent, 0.32 ton of stabilizing agent, 0.2 ton of delayer, compound anion resin 3m
3, oily sludge 8m
3, when injecting profile control agent, successively inject 5 principal piece plugs, wherein in first principal piece plug, mud slug, resin slug respectively are 100m
3, in second, third principal piece plug, the mud slug is 150m
3, the resin slug is 100m
3, in the 4th, the 5th the principal piece plug, the mud slug is 200m
3, the resin slug is respectively 150m
3And 100m
3, inject gel slug 350m at last
3
Claims (1)
1, a kind of water injection well oily sludge depth profile control technology, it is characterized in that, this technology is to utilize oily sludge to originate in the stratum, with the stratum favorable factor of good compatibility is arranged, adopt chemical treatment method to utilize mud component, oil ingredient in the oily sludge to become the oily sludge profile control agent with the number of chemical additive preparation, the duct that effective shutoff high permeability zone waterflood flush forms, thus reach the purpose of adjusting water injection profile, improving the oil recovery effect; The component of the profile control agent that this technology provides and every 100m
3Profile control agent each component preparation consumption is as follows: emulsifier, micella order body pure dry powder, 3～4%; Dispersing agent, 90001 (FO-I) pure dry powder, 0.1～0.4%; Polyacrylamide, molecular weight＞1,600 ten thousand pure dry powders, 0.2～0.3%; Crosslinking agent, sodium dichromate, concentration 99%, 0.8～0.9%; Stabilizing agent, thiocarbamide pure dry powder, 0.1～0.4%; Delayer, oxalic acid, hydrochloric acid are composite, pure dry powder, 0.1～0.2%; Compound anion resin, resin, milk of lime are composite, concentration 99%, 3.0～5%; Oily sludge, industrial waste, 5～10%; The implementation step and the main points of this technology are as follows: the preparation of (1), oily sludge profile control agent: d, add emulsifier and dispersing agent by last table specified volume, treat that adding oily sludge again after its dissolving stirs; E, add compound anion resin by last table specified volume, and stir with self priming pump; F, utilization are sprayed the batch mixing funnel and are added polyacrylamide by last table ormal weight earlier, add successively again
Go into ormal weight crosslinking agent, stabilizing agent and delayer, and stir; (2), preparation of construction: d, construction equipment roping to well site is rationally put.Site operation is as follows with capital equipment: transfer drive pumpage 6～10m
31 10m of/h
31 self priming pump discharge capacity of dosing pond band mechanical agitator 3 batch mixing funnels ejection-type, 1～3m
31 e of 3 cementing trucks of 1 water-tank lorry of 2 platform scales of 2 soft water cages of/h band 30Mpa, connect transfer drive pumping source circuit and import and export pipeline, pressure testing 20Mpa; F, will spray the batch mixing funnel and be placed on the dosing pond, import is connected with water supply line, and outlet is connected with the dosing pond; (3), injecting profile control agent: d, slug injection mode: field mix, inject a mud slug earlier, a resin slug reinjects, this is a principal piece plug, according to construction well concrete condition, can inject several principal piece plugs, the gel slug injects at last as isolating slug; E, dosing be V=π r by formula
2Ф h calculates, and wherein, π-pi gets 3.14; R-profile control radius, m generally gets 9～10m; H-handles water accepting layer thickness, m; Ф-oil reservoir degree of porosity %; Each parameter is determined according to the concrete data of each block construction well in the scene, calculates dosing; F, alternately prepare profile control agent by the pond, and pursue the pond with the transfer drive pump and inject into well with 3 dosing ponds; (4), inject finish after, replace 1.2 times of tubing string internal volume water yields, closing well Hou Ning 5 days; (5), resume production by the requirement of geology department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031497586A CN1480627A (en) | 2003-08-05 | 2003-08-05 | Technique for dissecting depth of sludge containing oil in injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031497586A CN1480627A (en) | 2003-08-05 | 2003-08-05 | Technique for dissecting depth of sludge containing oil in injection well |
Publications (1)
| Publication Number | Publication Date |
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| CN1480627A true CN1480627A (en) | 2004-03-10 |
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|---|---|---|---|
| CNA031497586A Pending CN1480627A (en) | 2003-08-05 | 2003-08-05 | Technique for dissecting depth of sludge containing oil in injection well |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294228C (en) * | 2004-05-20 | 2007-01-10 | 杨君 | Oil-sludge sand pulverizing agent and method for treating oil-sludge sand by using same |
| CN1313397C (en) * | 2004-12-01 | 2007-05-02 | 中国石油天然气股份有限公司 | Method for preparing volume expansion type granular profile control agent using oil production mud |
| CN100375773C (en) * | 2006-09-11 | 2008-03-19 | 大庆油田有限责任公司 | Water plugging agent for water injection well preparing from discarded oil-containing sludge |
| CN101370902A (en) * | 2005-11-22 | 2009-02-18 | 哈利伯顿能源服务公司 | Methods of consolidating unconsolidated particulates in subterranean formations |
| CN101876241A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Method for improving water drive recovery factor of thick positive rhythm reservoir |
| CN101434835B (en) * | 2008-12-03 | 2011-01-12 | 中国石油大学(华东) | Preparation of jelly glue dispersion for oil reservoir deep liquid diverting |
| CN101451061B (en) * | 2008-12-30 | 2011-03-16 | 山东大学 | Sand consolidation and water plugging profile control agent made by oil sand |
| CN103225496A (en) * | 2013-04-07 | 2013-07-31 | 中国石油天然气股份有限公司 | Profile control method for immobile string of injection well |
| CN101575966B (en) * | 2009-06-09 | 2013-09-04 | 中国石油天然气股份有限公司 | Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge |
| CN103666422A (en) * | 2013-12-04 | 2014-03-26 | 天津大港油田滨港集团博弘石油化工有限公司 | High-strength dilatation-retarding particle deep fluid diverting agent |
| CN103666423A (en) * | 2013-12-04 | 2014-03-26 | 天津大港油田滨港集团博弘石油化工有限公司 | Gel injection type profile control agent |
| CN103821474A (en) * | 2012-11-16 | 2014-05-28 | 中国石油天然气股份有限公司 | Extra-low-permeability oil reservoir profile control method |
| CN103965848A (en) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | Composite profile control agent and preparation method thereof |
| CN105038746A (en) * | 2015-06-25 | 2015-11-11 | 西安石油大学 | Preparation method of jelly-type oily sludge profile control agent |
| CN105368421A (en) * | 2015-11-19 | 2016-03-02 | 里群 | Non-resin type profile control agent and application thereof in petroleum exploitation process |
| CN106007296A (en) * | 2016-07-22 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oily sludge treatment method |
| CN106433591A (en) * | 2016-08-30 | 2017-02-22 | 陕西海山能源发展有限公司 | Binary-gel-reconstruction-oily-sludge combined with microorganisms profile control and displacement technology |
| CN108117865A (en) * | 2017-12-04 | 2018-06-05 | 中国石油天然气股份有限公司 | A kind of adjusting control agent of oil deposit deep part liquid stream and its preparation method and application |
| CN109184665A (en) * | 2018-11-06 | 2019-01-11 | 南京迈森科技发展有限公司 | A kind of self-operated measuring unit and its measurement method of wellhead liquid moisture content |
| CN110776889A (en) * | 2019-10-30 | 2020-02-11 | 中国石油化工股份有限公司 | Polymer-containing oil sludge emulsification profile control system and preparation method thereof |
| CN112360393A (en) * | 2020-10-29 | 2021-02-12 | 中国石油化工股份有限公司 | Profile control process for improving profile control effectiveness of waste drilling mud |
-
2003
- 2003-08-05 CN CNA031497586A patent/CN1480627A/en active Pending
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294228C (en) * | 2004-05-20 | 2007-01-10 | 杨君 | Oil-sludge sand pulverizing agent and method for treating oil-sludge sand by using same |
| CN1313397C (en) * | 2004-12-01 | 2007-05-02 | 中国石油天然气股份有限公司 | Method for preparing volume expansion type granular profile control agent using oil production mud |
| CN101370902A (en) * | 2005-11-22 | 2009-02-18 | 哈利伯顿能源服务公司 | Methods of consolidating unconsolidated particulates in subterranean formations |
| CN101370902B (en) * | 2005-11-22 | 2013-04-24 | 哈利伯顿能源服务公司 | Methods of consolidating unconsolidated particulates in subterranean formations |
| CN100375773C (en) * | 2006-09-11 | 2008-03-19 | 大庆油田有限责任公司 | Water plugging agent for water injection well preparing from discarded oil-containing sludge |
| CN101434835B (en) * | 2008-12-03 | 2011-01-12 | 中国石油大学(华东) | Preparation of jelly glue dispersion for oil reservoir deep liquid diverting |
| CN101451061B (en) * | 2008-12-30 | 2011-03-16 | 山东大学 | Sand consolidation and water plugging profile control agent made by oil sand |
| CN101876241A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Method for improving water drive recovery factor of thick positive rhythm reservoir |
| CN101876241B (en) * | 2009-04-30 | 2013-11-06 | 中国石油天然气股份有限公司 | Method for improving water drive recovery rate of thick positive rhythm reservoir |
| CN101575966B (en) * | 2009-06-09 | 2013-09-04 | 中国石油天然气股份有限公司 | Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge |
| CN103821474A (en) * | 2012-11-16 | 2014-05-28 | 中国石油天然气股份有限公司 | Extra-low-permeability oil reservoir profile control method |
| CN103821474B (en) * | 2012-11-16 | 2016-08-10 | 中国石油天然气股份有限公司 | A kind of extra-low-permeability reservoir depth profile control method |
| CN103225496A (en) * | 2013-04-07 | 2013-07-31 | 中国石油天然气股份有限公司 | Profile control method for immobile string of injection well |
| CN103225496B (en) * | 2013-04-07 | 2016-12-28 | 中国石油天然气股份有限公司 | A kind of dispensing well fixed tubular column profile control method |
| CN103666423A (en) * | 2013-12-04 | 2014-03-26 | 天津大港油田滨港集团博弘石油化工有限公司 | Gel injection type profile control agent |
| CN103666422A (en) * | 2013-12-04 | 2014-03-26 | 天津大港油田滨港集团博弘石油化工有限公司 | High-strength dilatation-retarding particle deep fluid diverting agent |
| CN103666423B (en) * | 2013-12-04 | 2016-05-25 | 天津大港油田滨港集团博弘石油化工有限公司 | A kind of gel-type profile control agent that injects |
| CN103965848A (en) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | Composite profile control agent and preparation method thereof |
| CN103965848B (en) * | 2014-04-29 | 2017-02-08 | 中国石油大学(华东) | Composite profile control agent and preparation method thereof |
| CN105038746A (en) * | 2015-06-25 | 2015-11-11 | 西安石油大学 | Preparation method of jelly-type oily sludge profile control agent |
| CN105368421B (en) * | 2015-11-19 | 2018-12-21 | 里群 | Non-resinous profile control agent and its application during oil exploitation |
| CN105368421A (en) * | 2015-11-19 | 2016-03-02 | 里群 | Non-resin type profile control agent and application thereof in petroleum exploitation process |
| CN106007296A (en) * | 2016-07-22 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oily sludge treatment method |
| CN106007296B (en) * | 2016-07-22 | 2019-02-19 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of processing method of oily sludge |
| CN106433591A (en) * | 2016-08-30 | 2017-02-22 | 陕西海山能源发展有限公司 | Binary-gel-reconstruction-oily-sludge combined with microorganisms profile control and displacement technology |
| CN108117865A (en) * | 2017-12-04 | 2018-06-05 | 中国石油天然气股份有限公司 | A kind of adjusting control agent of oil deposit deep part liquid stream and its preparation method and application |
| CN109184665A (en) * | 2018-11-06 | 2019-01-11 | 南京迈森科技发展有限公司 | A kind of self-operated measuring unit and its measurement method of wellhead liquid moisture content |
| CN109184665B (en) * | 2018-11-06 | 2023-10-13 | 南京瑞路通达信息技术有限公司 | Automatic measuring device and measuring method for wellhead liquid water content |
| CN110776889A (en) * | 2019-10-30 | 2020-02-11 | 中国石油化工股份有限公司 | Polymer-containing oil sludge emulsification profile control system and preparation method thereof |
| CN110776889B (en) * | 2019-10-30 | 2022-01-21 | 中国石油化工股份有限公司 | Polymer-containing oil sludge emulsification profile control system and preparation method thereof |
| CN112360393A (en) * | 2020-10-29 | 2021-02-12 | 中国石油化工股份有限公司 | Profile control process for improving profile control effectiveness of waste drilling mud |
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