CN103936217B - Diesel oil reclaiming clean device and method in abandoned oil base drilling fluid - Google Patents
Diesel oil reclaiming clean device and method in abandoned oil base drilling fluid Download PDFInfo
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- CN103936217B CN103936217B CN201410133618.5A CN201410133618A CN103936217B CN 103936217 B CN103936217 B CN 103936217B CN 201410133618 A CN201410133618 A CN 201410133618A CN 103936217 B CN103936217 B CN 103936217B
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- 238000005553 drilling Methods 0.000 title claims abstract description 61
- 239000012530 fluid Substances 0.000 title claims abstract description 55
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 claims abstract description 91
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 235000019198 oils Nutrition 0.000 claims description 62
- 239000002585 base Substances 0.000 claims description 54
- 239000002351 wastewater Substances 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 16
- 238000005189 flocculation Methods 0.000 claims description 14
- 230000016615 flocculation Effects 0.000 claims description 14
- 238000005554 pickling Methods 0.000 claims description 12
- 238000004061 bleaching Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 235000019476 oil-water mixture Nutrition 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 230000003311 flocculating effect Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000005201 scrubbing Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 18
- 238000000746 purification Methods 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 238000005119 centrifugation Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to the apparatus and method of waste diesel reclaiming clean in abandoned oil base drilling fluid, it is characterized in that comprising waste diesel reclaiming clean device and waste diesel recovery and purification method in abandoned oil base drilling fluid. Described waste diesel reclaiming clean device relates generally to heating and stirring device and centrifugal separating device; Method therefor is mainly that abandoned oil base drilling fluid is carried out to thermo-chemical demulsification, and then emchanically centrifugal separation reclaims waste diesel wherein, adopts the absorption of wash-atlapulgite of chemical flocculation-soda acid heat to carry out purified treatment to waste diesel. The invention has the advantages that: waste diesel reclaiming clean device is easy to operate, and recovery and purification method is simple, diesel oil regeneration cost is low, quality is good, the diesel oil rate of recovery reaches 80%, and has well solved the problem of abandoned oil base drilling fluid environmental pollution, has realized wherein recycling of diesel oil.
Description
Technical field
The present invention relates to abandoned oil base drilling fluid recovery and utilization technology field, particularly bavin in abandoned oil base drilling fluidThe reclaiming clean apparatus and method of oil.
Background technology
The preparation cost of oil base drilling fluid is higher, and therefore it is usually repeated for drillng operation, works as oil base drilling fluidIts performance deterioration gradually after the recycling of repeatedly drilling well, finally becomes because it cannot be used againBecome abandoned oil base drilling fluid. Along with oil base drilling fluid is opened by a large amount of explorations for oil gas field bad groundSend out, the problem of environmental pollution that the abandoned oil base drilling fluid of generation brings is also more and more subject to people's attention.Discarded oil base drilling fluid composition is very complicated, intractability is very large, and contains a large amount of poisonous and harmfulsMaterial, is that country has carried out explicitly provided discarded object, if just directly discharged to the external world without processing,Serious to environmental hazard.
In abandoned oil base drilling fluid, the content of diesel oil is higher, has the value of recycling. From abandoned oil base drilling fluidThe waste diesel of middle recovery, through suitable method purified treatment, is removed the rotten harmful components such as composition and impurityAfter, can be from newly for preparing oil base drilling fluid. No matter this can from environmental protection, the utilization of resources and economyThe angle of sustainable development is all very necessary selection. Apply at present for waste diesel recovery and purification methodFew, and the emphasis handling object difference of each recovery and purification method finally causes its rate of recovery and lifeProducing cost also differs widely. Adopt which type of method to reclaim waste diesel, mainly still see and will locateThe degree of contamination and deterioration of the waste diesel of reason, and diesel regenerated quality required to situation and site operation placeFactors such as reason condition and determining, generally all need to select two kinds and above multiple-unit operation composite composition.Research report waste diesel recovery and purification method mainly contains following several both at home and abroad: sedimentation-filtration method, sedimentation-waddingSolidifying-absorption method, sedimentation-pickling-bleaching earth adsorption-filtration method, sedimentation-solvent extraction-decompression distillation-hydrofinishingMethod etc.; These class methods are general for the clean-up effect of waste diesel, and diesel quality is difficult to reach reuse after purifyingStandard. Report for the correlative study of waste diesel recovery and purification method in abandoned oil base drilling fluid both at home and abroad at presentAlso, in space state, therefore explore the device that is applicable to the reclaiming clean of waste diesel in abandoned oil base drilling fluidVery necessary with method. So, the reclaiming clean apparatus and method of carrying out waste diesel in abandoned oil base drilling fluidResearch, to reclaiming clean utilization diesel oil wherein, environmental protection, energy-conservation and economy are had to very significance.
Summary of the invention
The object of this invention is to provide the apparatus and method of waste diesel reclaiming clean in a kind of abandoned oil base drilling fluid, canSo that waste diesel in abandoned oil base drilling fluid is carried out to reclaiming clean processing, make wherein diesel oil be repeated to utilize,Meanwhile, can carry out harmless treatment to the waste residue and liquid producing in waste diesel reclaiming clean process. On the one handThe problem of environmental pollution that has reduced abandoned oil base drilling fluid, has reused abandoned oil base drilling fluid on the other handIn diesel oil, reduce use cost.
Technical solution of the present invention is as follows:
Waste diesel reclaiming clean device in a kind of abandoned oil base drilling fluid, is characterized in that, is mainly bored by discarded oil baseWell liquid storage pool, demulsifier storage tank, heating and stirring tank, whizzer, oil mixing with water liquid storage tank, waste waterStorage tank, waste residue storage pool, recovery diesel oil tank, waste tank and curing agitator tank composition, described abandoned oilBase drilling fluid storage pool, wastewater storage tank, demulsifier storage tank and centrifuge are connected in heating and stirring tank by pipelineUpper, the oil-water mixture that centrifugation goes out is inputted mixed liquor knockout drum by pipeline and is inputted respectively waste water later againStorage tank and waste diesel storage tank, waste diesel is connected in flocculation stirring tank, pickling agitator tank, alkali successively by pipelineWash agitator tank, bleaching earth adsorption agitator tank is cleaned processing, the diesel oil after bleaching earth adsorption is centrifugal is by pipeline and bavinOil tank is connected, the each waste residue input waste residue pond that centrifugation goes out, curing agitator tank respectively with wastewater storage tank,Waste residue pond is connected.
Waste diesel recovery and purification method in a kind of abandoned oil base drilling fluid, is characterized in that, comprises the following steps:
1) with pump, the abandoned oil base drilling fluid magma in abandoned oil base drilling fluid storage pool being inputted to heating by pipeline stirsMix in tank, add water (or reuse waste water) dilution to stir, and then add demulsifier, carry out heating demulsification type;
2) the abandoned oil base drilling fluid after heating demulsification type enters centrifuge by pipeline and carries out centrifuging treatment, isolatesBody refuse enter curing agitator tank, oil-water mixture is inputted mixed liquor knockout drum by pipeline, useless after separationWater enters wastewater storage tank, and waste diesel enters waste diesel storage tank;
3) by pipeline, the waste diesel in waste diesel storage tank is inputted in flocculation stirring tank and heated, add flocculant to diesel oilCarry out flocculating and purifying processing, the mixed liquor input centrifuge after flocculation carries out centrifugal treating, and flocculation waste residue entersWaste residue pond, diesel oil input pickling agitator tank;
4) in the pickling agitator tank of heating, add sulfuric acid to carry out acid-scrubbing cleaning processing to diesel oil, the mixed liquor after pickling is defeatedEnter centrifuge and carry out centrifugal treating, sour waste residue enters waste residue pond, diesel oil input alkali cleaning agitator tank;
5) in the alkali cleaning agitator tank of heating, add alkali lye to carry out alkali cleaning purified treatment to diesel oil, mixed liquor input after alkali cleaningCentrifuge carries out centrifugal treating, and spent lye enters spent lye storage tank and treats reuse or be cured, diesel oil input absorptionAgitator tank;
6) in the absorption agitator tank of heating, add atlapulgite to carry out adsorption cleaning processing to diesel oil, the mixing after absorptionLiquid input centrifuge carries out centrifugal treating, and spent bleaching clay enters waste residue pond, and diesel oil input diesel oil tank is treated again to useIn preparation oil base drilling fluid;
7) waste water, solidified reagents in the discarded object mixed liquor in waste residue pond, wastewater storage tank are added in proportion and solidify stirringIn tank, stir, by firming body compacting, dry rear landfill cover soil.
The present invention is to provide the apparatus and method of waste diesel reclaiming clean in a kind of abandoned oil base drilling fluid, and its advantage existsThe recycling of waste diesel in: this reclaiming clean device can be realized abandoned oil base drilling fluid, simultaneously can be rightThe waste residue producing in reclaiming clean process and waste liquid carry out innoxious curing processing, and this has important to environmental protectionMeaning; This waste diesel reclaiming clean device is easy to operate, and recovery and purification method is simple, and diesel oil regeneration cost is low,Quality is good, and the diesel oil rate of recovery reaches 80%, and has well solved the problem of abandoned oil base drilling fluid environmental pollution,Realize wherein recycling of diesel oil.
Brief description of the drawings
Fig. 1 is the schematic diagram of waste diesel reclaiming clean device in abandoned oil base drilling fluid of the present invention, and Fig. 2 is the present inventionThe flow chart of waste diesel recovery and purification method in abandoned oil base drilling fluid;
In Fig. 1: 1. abandoned oil base drilling fluid storage pool 2. pump 3. breakdown of emulsion agitator tank 4. pump 5. centrifuge 6. oil-water mixturesStorage tank 7. wastewater storage tank 8. waste diesel storage tank 9. pump 10. flocculation stirring tank 11. centrifuge 12. pickling agitator tanks 13.Centrifuge 14. alkali cleaning agitator tank 15. centrifuges 16. adsorb agitator tank 17. centrifuge 18. diesel oil tank 19. breakdowns of emulsionAgitator tank 23. spent lye storage tanks are solidified in agent storage tank 20. pump 21. waste residue ponds 22..
Detailed description of the invention
As shown in Figure 1, in a kind of abandoned oil base drilling fluid, waste diesel reclaiming clean device, is characterized in that, mainBy abandoned oil base drilling fluid storage pool (1), demulsifier storage tank (19), pump (2,4,9,20), heating and stirring tank(3,10,12,14,16), whizzer (5,11,13,15,17), oil mixing with water liquid storage tank (6), wastewater storage tank (7),Waste diesel storage tank (8), waste residue storage pool (21), reclaiming clean diesel oil tank (18), spent lye storage tank (23) and solidChange agitator tank (22) composition, described abandoned oil base drilling fluid storage pool (1), wastewater storage tank (7), demulsifier storage tank (19)Be connected in heating and stirring tank (3) above with centrifuge A (5) by pipeline, the body refuse that centrifugation goes out enters to solidify and stirsMix tank (22) and be cured, oil-water mixture enters storage tank (6) stratification by pipeline, wastewater storage tank (7) and uselessDiesel oil tank (8) is connected in respectively mixed liquor storage tank (6) by pipeline, and in storage tank (8), waste diesel is connected in by pipelineFlocculation stirring tank (10), after flocculating and purifying, diesel oil enters centrifuge B (11) by pipeline, and the flocculation after centrifugal is uselessSlag enters waste residue pond (21), and diesel oil enters pickling agitator tank (12) by pipeline, and after acid-scrubbing cleaning, diesel oil is by pipeLine enters centrifuge C (13), and the acid sludge after centrifugal enters waste residue pond (21), and diesel oil enters alkali cleaning by pipeline and stirsMix tank (14), alkali cleaning enters centrifuge D (15) by pipeline after purifying, and the spent lye after centrifugal enters by pipelineEnter spent lye storage tank (23), diesel oil is inputted bleaching earth adsorption agitator tank (16), the diesel oil after adsorption cleaning by pipelineEnter centrifuge E (17) by pipeline, the diesel oil after centrifugal is inputted diesel regenerated storage tank (18) by pipeline, fromSpent bleaching clay after the heart enters waste residue pond (21), and the spent lye after alkali cleaning is adding after fresh highly basic, defeated by pipelineEnter alkali cleaning agitator tank (14) and can be recycled and reused for alkali cleaning use, also can enter waste residue pond (21) and be cured, solidify and stirMix tank (22) be connected with wastewater storage tank (7), waste residue pond respectively (21).
Waste diesel recovery and purification method in a kind of useless abandoned oil base drilling fluid, is characterized in that, comprises the following steps:1) with pump by the abandoned oil base drilling fluid magma in abandoned oil base drilling fluid storage pool by pipeline input temp beIn 65-75 DEG C of agitator tank, add water (or reuse waste water) to stir, keep 0.5-1h left and right, after dilutionIn abandoned oil base drilling fluid, water content is in 20-40% left and right, by the abandoned oil base drilling fluid of reaction tank dilution againBe warming up to 70-85 DEG C, breakdown of emulsion medicament (comprise demulsifier and other auxiliary demulsifying agent) squeezed in retort with pump,Maintain 70-85 DEG C of stirring breakdown of emulsion 2-3h and carry out heating demulsification type;
2) the abandoned oil base drilling fluid after heating demulsification type is inputted centrifuge by pipeline and is carried out centrifuging treatment (centrifugal force16000xg left and right), centrifugation time 20-30min, isolated body refuse enters curing agitator tank, oil mixing with waterLiquid is inputted mixed liquor knockout drum by pipeline, and the waste water after separation enters wastewater storage tank, and waste diesel enters useless bavinOil tank;
3) by pipeline, the waste diesel in waste diesel storage tank is inputted in flocculation stirring tank, be heated to 55-65 DEG C, addFlocculant carries out flocculating and purifying and processes 20-30min, and the mixed liquor input centrifuge after flocculation carries out centrifugal treating(centrifugal force 13000xg left and right), centrifugation time 5-15min, flocculation waste residue enters waste residue pond, diesel oil input acidWash agitator tank;
4) pickling is added to diesel fuel tank in thermal agitation and be heated to 55-65 DEG C, add sulfuric acid to carry out acid-scrubbing cleaning processing10-20min, the mixed liquor input centrifuge after pickling carries out centrifugal treating (centrifugal force 15000xg left and right), fromHeart time 5-15min, sour waste residue enters waste residue pond, diesel oil input alkali cleaning agitator tank;
5) alkali cleaning heating and stirring tank is heated to 55-65 DEG C, adds alkali lye to carry out alkali cleaning purified treatment 15-25min, alkaliMixed liquor input centrifuge after washing carries out centrifugal treating (centrifugal force 14000xg left and right), centrifugation time5-15min, spent lye enters spent lye storage tank and treats reuse or be cured, diesel oil input absorption agitator tank;
6) absorption heating and stirring tank is heated to 65-75 DEG C, adds atlapulgite to carry out adsorption cleaning and process 15-25min,Mixed liquor input centrifuge after absorption carries out centrifugal treating (centrifugal force 14000xg left and right), centrifugation time5-15min, spent bleaching clay enters waste residue pond, diesel oil input diesel oil tank, preparation oil base drilling fluid to be reused for;
7) waste water, solidified reagents in the discarded object mixed liquor in waste residue pond, wastewater storage tank are inputted in proportion and solidified stirringIn tank, stir, by firming body compacting, dry rear landfill cover soil.
This method also comprises that the waste residue and liquid that in abandoned oil base drilling fluid, waste diesel reclaiming clean process produces is innoxious solidChange and process, solidify process after according to firming body: the ratio that distilled water is 1:10 is soaked, the main pollution of leachateIndex has reached country's " integrated wastewater discharge standard " (GB8978-1996) first grade discharging concentration standard, to solidChange firming body up to standard and carry out landfill cover soil.
In this abandoned oil base drilling fluid, waste diesel reclaiming clean device is easy to operate, and recovery and purification method is simple, diesel oilRegeneration cost is low, and quality is good, and the diesel oil rate of recovery reaches 80%, and has well solved abandoned oil base drilling fluid ringThe problem of environment pollution, has realized wherein recycling of diesel oil, can be to producing in diesel oil reclaiming clean processWaste residue and liquid carry out innoxious curing processing.
Claims (2)
1. a waste diesel reclaiming clean treating apparatus in abandoned oil base drilling fluid, is mainly used in waste diesel reclaiming clean processing in abandoned oil base drilling fluid, it is characterized in that, mainly by abandoned oil base drilling fluid storage pool, demulsifier storage tank, heating and stirring tank, whizzer, oil mixing with water liquid storage tank, wastewater storage tank, waste residue storage pool, reclaim diesel oil tank, spent lye storage tank and curing agitator tank composition, abandoned oil base drilling fluid storage pool (1), wastewater storage tank (7), demulsifier storage tank (19) and centrifuge A (5) are connected in heating and stirring tank (3) by pipeline, the isolated oil-water mixture of centrifuge is connected in knockout drum (6) by pipeline, wastewater storage tank (7) is connected with knockout drum (6) by pipeline with waste diesel storage tank (8), and waste diesel is connected in flocculation stirring tank (10) successively by pipeline, centrifuge B (11), pickling agitator tank (12), centrifuge C (13), alkali cleaning agitator tank (14), centrifuge D (15), bleaching earth adsorption agitator tank (16) and centrifuge E (17), the diesel oil after atlapulgite absorption is centrifugal is connected with diesel oil tank (18) by pipeline, spent lye storage tank (23) and waste residue pond (21), alkali cleaning agitator tank (14) be connected, solidify agitator tank (22) respectively with wastewater storage tank (7), waste residue pond (21) is connected, from the isolated effluent storage of centrifuge A (5) in wastewater storage tank (7), waste water in wastewater storage tank (7) can directly be back to dilution abandoned oil base drilling fluid magma again, and unnecessary waste water is inputted and solidified the curing processing of agitator tank (22) by pipeline, from the isolated flocculation waste residue of centrifuge B (11), the isolated acid sludge of centrifuge C (13), the isolated spent bleaching clay of centrifuge E (17), directly enter waste residue pond (21) processing of waiting to be cured, the isolated spent lye of centrifuge D (15) enters spent lye storage tank (23) by pipeline, spent lye re-enters alkali cleaning agitator tank (14) after being added fresh highly basic, and unnecessary spent lye enters waste residue pond (21) processing of waiting to be cured by pipeline.
2. utilize the device described in claim 1 to the method that in abandoned oil base drilling fluid, waste diesel carries out reclaiming clean processing, it is characterized in that, comprise the following steps:
1) with pump, the abandoned oil base drilling fluid magma in abandoned oil base drilling fluid storage pool is inputted in heating and stirring tank by pipeline, added clear water or wastewater dilution to stir, and then add demulsifier, carry out heating demulsification type;
2) the abandoned oil base drilling fluid after heating demulsification type enters centrifuge by pipeline and carries out centrifuging treatment, isolated body refuse enters curing agitator tank, oil-water mixture is inputted mixed liquor knockout drum by pipeline, and the waste water after separation enters wastewater storage tank, and waste diesel enters waste diesel storage tank;
3) will in the waste diesel input flocculation stirring tank in waste diesel storage tank, heat by pipeline, add flocculant to carry out flocculating and purifying processing to diesel oil, mixed liquor input centrifuge after flocculation carries out centrifugal treating, and flocculation waste residue enters waste residue pond, diesel oil input pickling agitator tank;
4) in the pickling agitator tank of heating, add sulfuric acid to carry out acid-scrubbing cleaning processing to diesel oil, the mixed liquor input centrifuge after pickling carries out centrifugal treating, and sour waste residue enters waste residue pond, diesel oil input alkali cleaning agitator tank;
5) in the alkali cleaning agitator tank of heating, add alkali lye to carry out alkali cleaning purified treatment to diesel oil, after alkali cleaning, mixed liquor input centrifuge carries out centrifugal treating, and spent lye enters spent lye storage tank and treats reuse or be cured, diesel oil input absorption agitator tank;
6) in the absorption agitator tank of heating, add atlapulgite to carry out adsorption cleaning processing to diesel oil, the mixed liquor input centrifuge after absorption carries out centrifugal treating, and spent bleaching clay enters waste residue pond, diesel oil input diesel oil tank preparation oil base drilling fluid to be reused for;
7) waste water, solidified reagents in the discarded object mixed liquor in waste residue pond, wastewater storage tank are inputted in proportion in curing agitator tank and stirred, by firming body compacting, dry rear landfill cover soil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410133618.5A CN103936217B (en) | 2014-04-04 | 2014-04-04 | Diesel oil reclaiming clean device and method in abandoned oil base drilling fluid |
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| CN201410133618.5A CN103936217B (en) | 2014-04-04 | 2014-04-04 | Diesel oil reclaiming clean device and method in abandoned oil base drilling fluid |
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| CN103936217B true CN103936217B (en) | 2016-05-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226381A (en) * | 2011-05-05 | 2011-10-26 | 威海怡和专用设备制造股份有限公司 | Method for treating abandoned drilling fluid of oilfield |
| CN103570173A (en) * | 2013-10-25 | 2014-02-12 | 西南石油大学 | Process for recycling diesel oil in waste oil base drilling fluid |
| CN203922914U (en) * | 2014-04-04 | 2014-11-05 | 西南石油大学 | Waste diesel regeneration system rapidly device in abendoned oil base drilling fluid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2503501A (en) * | 2012-06-29 | 2014-01-01 | Augean Plc | Separating an emulsion of oil, water and solid matter |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226381A (en) * | 2011-05-05 | 2011-10-26 | 威海怡和专用设备制造股份有限公司 | Method for treating abandoned drilling fluid of oilfield |
| CN103570173A (en) * | 2013-10-25 | 2014-02-12 | 西南石油大学 | Process for recycling diesel oil in waste oil base drilling fluid |
| CN203922914U (en) * | 2014-04-04 | 2014-11-05 | 西南石油大学 | Waste diesel regeneration system rapidly device in abendoned oil base drilling fluid |
Non-Patent Citations (1)
| Title |
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| 废弃油基钻井液处理技术研究;陈永红;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20130115;摘要，正文第1-8页第1.1-1.3节，第46-48页第6节 * |
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Inventor after: Chen Kan Inventor after: Cheng Qixuan Inventor before: Liu Yucheng Inventor before: Xu Junzhong Inventor before: Chen Mingyan Inventor before: Zhang Yinlong |
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Effective date of registration: 20170509 Address after: 610100, Sichuan province Chengdu economic and Technological Development Zone (Longquanyi District) starlight Road No. 1, 18 building, 5 floor Patentee after: Sichuan China Tiger Technology Co., Ltd. Address before: No. 8 Road, Xindu Xindu District of Chengdu city of Sichuan Province in 610500 Patentee before: Southwest Petroleum University |
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| TR01 | Transfer of patent right |
Effective date of registration: 20181009 Address after: 621000 Mian Shan Road 64, Mianyang, Sichuan Patentee after: Sichuan Coremer Materials Environmental Protection Technology Co., Ltd. Address before: 610100 Sichuan Chengdu economic and Technological Development Zone (Longquanyi District) 5 building, 1 Xingguang road 18. Patentee before: Sichuan China Tiger Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
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Address after: 621000 Mian Shan Road 64, Mianyang, Sichuan Patentee after: Sichuan Jiuyuan Environmental Technology Co., Ltd. Address before: 621000 Mian Shan Road 64, Mianyang, Sichuan Patentee before: Sichuan Coremer Materials Environmental Protection Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |