CN103527123A - Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling - Google Patents
Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling Download PDFInfo
- Publication number
- CN103527123A CN103527123A CN201310496499.5A CN201310496499A CN103527123A CN 103527123 A CN103527123 A CN 103527123A CN 201310496499 A CN201310496499 A CN 201310496499A CN 103527123 A CN103527123 A CN 103527123A
- Authority
- CN
- China
- Prior art keywords
- well drilling
- abandoned well
- matter
- materials thing
- drilling materials
- 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.)
- Pending
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
Provided is an abandoned well drilling matter disposal system with abandoned well drilling matter not falling on the ground during drilling. The abandoned well drilling matter disposal system with the abandoned well drilling matter not falling on the ground during drilling is characterized in that a vibrating screen serves as a first layer, a grit catcher serves as a second layer, a centrifugal machine serves as a third layer, the abandoned well drilling matter enters the vibrating screen through well drilling equipment, the vibrating screen keeps large-grained abandoned well drilling matter, fine abandoned well drilling matter enters the grit catcher, large grains screened out by the vibrating screen enter a dosing cleaning device through a rock debris collecting device B and are conveyed to an HGD desiccation device through a pump, and the large grains form sand through desiccation by the HGD desiccation device and are discharged through a rock debris conveyor. Particles filtered through the grit catcher enter a rock debris collecting device A, and then are conveyed into a gel breaking flocculation reaction tank through a conveying device to react. Chemicals in a chemical dosing device are conveyed into the gel breaking flocculation reaction tank through a pump, reacted abandoned well drilling matter is conveyed to a box-type diaphragm filter press through a pump, and filter cakes and filter liquid are separated through the diaphragm filter press. Moisture content of squeezed mud cakes can be controlled within 20%.
Description
Technical field
The present invention relates to-kind of a Discarded Drilling Materials thing does not land with boring treatment system, belongs to the prevent and remedy pollution technology of aspect of oil field geologic drilling well.
Background technology
At present, known waste drilling fluids disposal system, that rejected well drilling liquid is concentrated and is placed in a Discarded Drilling Materials thing pond, from operating personnel, open after excavator is put medicine stirring in Discarded Drilling Materials thing pond it is solidified, Discarded Drilling Materials thing pond after solidifying is filled and led up and just can be used further to cultivate, the drawback of its conventional method is, rejected well drilling liquid is concentrated and is placed in a Discarded Drilling Materials thing pond, floor space is large, Discarded Drilling Materials thing pond pollutes farmland around well site and water source, has wasted national available land and has affected and cultivated.Meet rainy season or flood season, the rejected well drilling liquid in Discarded Drilling Materials thing pond is excessive inflow farmland, river or permeate the ground likely, and the hazardous substances in drilling fluid produces and has a strong impact on soil, underground water and local natural environment.
Summary of the invention
The object of the invention is to, provide a kind of Discarded Drilling Materials thing not land with boring treatment system.
-kind of a Discarded Drilling Materials thing does not land with boring treatment system, it is characterized in that, vibrosieve (1) is first floor, desander (2) is the second layer, centrifuge (3) is the 3rd layer, Discarded Drilling Materials thing enters in vibrosieve (1) by drilling equipment, vibrosieve (1) leaves oarse-grained Discarded Drilling Materials thing, tiny Discarded Drilling Materials thing enters in desander (2), vibrosieve (1)-side is provided with landwaste gathering-device B (5), vibrosieve (1) bulky grain out enters in dosing cleaning device (11) by landwaste gathering-device B (5), hazardous substances dosing on bulky grain is cleaned, then by pump, be delivered in HGD desiccation apparatus (12), after HGD desiccation apparatus (12) mummification, become sand (14), by landwaste conveyer (13), discharged again,
Desander (2) and centrifuge (3)-side is provided with landwaste gathering-device A (4), the particle that desander (2) filters out enters landwaste gathering-device A (4), centrifuge (3) High Rotation Speed is accelerated particle sinking speed in Discarded Drilling Materials thing and is entered landwaste gathering-device A (4), and the Discarded Drilling Materials thing in landwaste gathering-device A (4) arrives in broken glue flocculation reaction tank (15) by conveying device (6).Medicine in chemicals dosing plant (7) is delivered to brokenly in glue flocculation reaction tank (15) by pump in quantitative and ratio, evenly mix with Discarded Drilling Materials thing, reacted Discarded Drilling Materials thing is delivered in box diaphragm filter press (8) by pump, box diaphragm filter press (8) is mainly by Discarded Drilling Materials thing Separation of Solid and Liquid, isolates solid filter cake (9) and clear filtrate (10).
Described box diaphragm filter press (8) is mainly that mud cake is carried out to barrier film, squeezing, its principle is: in several filter plates of common filter press, every a filter plate, add a barrier film hollowcore slab, after completing press filtration operation, to filling liquid in barrier film hollowcore slab, pressurize, make the expansion of barrier film hollowcore slab, thereby make extruding mutually between plate and plate, by outside water injection pressure pump controlled pressure size, meanwhile, carry out squeezing program, hydraulic means is set up in one end at common filter press, mud cake in the middle of pressured squeezing external force extruding filter plate and barrier film hollowcore slab, thereby further squeeze the moisture content in mud cake.
The present invention has 6 large advantages: 1. the discarded object in drilling process, can process with boring in time, and reach " not landing " requirement.Realize well site and cleaned production, reached the environmental objective of drilling well " zero-emission "; 2. drilling wastes, with boring treatment system, is that " process processing " and " terminal processes " united two into one; 3. well site does not need to dig and builds mud pit, has reduced the environment pollution of drilling well refuse, has reduced yet and has bored front construction and cost of floor space; 4. by specific aim dosing, broken glue, flocculation, Separation of Solid and Liquid is thorough, filtration cakes torrefaction, and filtrate clarification, limpid filtrate reaches discharging standards, in drilling process, can reuse, and through advanced treating, can be used for system re-injection; 5. the moisture content of the cake after box diaphragm filter press squeezing can be controlled in 20%, dry, hard, hazardous substances in solidfied material cannot be dissociated, realized innoxious, also can provide cheap raw material for brick field, haydite factory simultaneously, through 1200 degree high temperature refinery, fire, realize the solid portion of oilfield drilling discarded object harmless treatment, turn waste into wealth; 6. skid-mounted type design, is convenient to, with boring resettlement, adapt to the mobility industry characteristic of oil field prospecting drillng operation.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
In figure: 1 vibrosieve, 2 desanders, 3 centrifuges, 4 landwaste gathering-device A, 5 landwaste gathering-device B 6 conveying devices, 7 chemicals dosing plants, 8 box diaphragm filter press, 9 mud cakes, 10 filtrates, 11 dosing cleaning devices, 12HGD desiccation apparatus, 13 landwaste conveyers, 14 sands, 15 broken glue flocculation reaction tanks.
The specific embodiment
As shown in Figure 1, vibrosieve 1, desander 2, centrifuge 3 connect and connect, described vibrosieve 1 is first floor, desander 2 is the second layer, centrifuge 3 is the 3rd layer, Discarded Drilling Materials thing enters in vibrosieve 1 by drilling equipment, and vibrosieve 1 leaves oarse-grained Discarded Drilling Materials thing, and tiny Discarded Drilling Materials thing enters in desander 2.
Vibrosieve 1-side is provided with landwaste gathering-device B5, vibrosieve 1 bulky grain out enters in dosing cleaning device 11 by landwaste gathering-device B5, hazardous substances dosing on bulky grain is cleaned, then by pump, be delivered in HGD desiccation apparatus 12, after 12 mummification of HGD desiccation apparatus, become sand 14, then discharged by landwaste conveyer 13.
A side at described desander 2 and centrifuge 3 is provided with landwaste gathering-device A4, the particle that desander 2 filters out enters landwaste gathering-device A4, after centrifuge 3 High Rotation Speeds, accelerate particle sinking speed in Discarded Drilling Materials thing and enter landwaste gathering-device A4, the Discarded Drilling Materials thing in landwaste gathering-device A4 arrives in broken glue flocculation reaction tank 15 by conveying device 6.Medicine in chemicals dosing plant 7 is delivered to brokenly in glue flocculation reaction tank 15 by pump in quantitative and ratio, evenly mixes with Discarded Drilling Materials thing.Reacted Discarded Drilling Materials thing is delivered in box diaphragm filter press 8 by pump, described box diaphragm filter press 8 is mainly by Discarded Drilling Materials thing Separation of Solid and Liquid, the solid filter cake 9 of separating, by the direct entrucking outward transport of lift-type belt conveyor or place mat well site; Clear filtrate 10 irrigation up to standard of separating or use with being pumped back to drilling crew.
Described box diaphragm filter press 8 is mainly that mud cake is carried out to barrier film, squeezing, its principle is: in several filter plates of common filter press, every a filter plate, add a barrier film hollowcore slab, after completing press filtration operation, to filling liquid in barrier film hollowcore slab, pressurize, make the expansion of barrier film hollowcore slab, thereby make extruding mutually between plate and plate, by outside water injection pressure pump controlled pressure size, , meanwhile, carry out squeezing program, hydraulic means is set up in one end at common filter press, mud cake in the middle of pressured squeezing external force extruding filter plate and barrier film hollowcore slab, thereby further squeeze the moisture content in mud cake.
Claims (1)
1. a Discarded Drilling Materials thing does not land with boring treatment system, it is characterized in that, vibrosieve (1) is first floor, desander (2) is the second layer, centrifuge (3) is the 3rd layer, Discarded Drilling Materials thing enters in vibrosieve (1) by drilling equipment, vibrosieve (1) leaves oarse-grained Discarded Drilling Materials thing, tiny Discarded Drilling Materials thing enters in desander (2), a side at vibrosieve (1) is provided with landwaste gathering-device B (5), vibrosieve (1) bulky grain out enters in dosing cleaning device (11) by landwaste gathering-device B (5), hazardous substances dosing on bulky grain is cleaned, then by pump, be delivered in HGD desiccation apparatus (12), after HGD desiccation apparatus (12) mummification, become sand (14), by landwaste conveyer (13), discharged again,
One side of desander (2) and centrifuge (3) is provided with landwaste gathering-device A (4), the particle that desander (2) filters out enters landwaste gathering-device A (4), centrifuge (3) High Rotation Speed is accelerated particle sinking speed in Discarded Drilling Materials thing and is entered landwaste gathering-device A (4), and the Discarded Drilling Materials thing in landwaste gathering-device A (4) arrives in broken glue flocculation reaction tank (15) by conveying device (6).Medicine in chemicals dosing plant (7) is delivered to brokenly in glue flocculation reaction tank (15) by pump in quantitative and ratio, evenly mix with Discarded Drilling Materials thing, reacted Discarded Drilling Materials thing is delivered in box diaphragm filter press (8) by pump, box diaphragm filter press (8) is mainly by Discarded Drilling Materials thing Separation of Solid and Liquid, isolates solid filter cake (9) and clear filtrate (10);
Described box diaphragm filter press (8) is mainly that mud cake is carried out to barrier film, squeezing, its principle is: in several filter plates of common filter press, every a filter plate, add a barrier film hollowcore slab, after completing press filtration operation, to filling liquid in barrier film hollowcore slab, pressurize, make the expansion of barrier film hollowcore slab, thereby make extruding mutually between plate and plate, by outside water injection pressure pump controlled pressure size, meanwhile, carry out squeezing program, hydraulic means is set up in one end at common filter press, mud cake in the middle of pressured squeezing external force extruding filter plate and barrier film hollowcore slab, thereby further squeeze the moisture content in mud cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310496499.5A CN103527123A (en) | 2013-10-22 | 2013-10-22 | Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310496499.5A CN103527123A (en) | 2013-10-22 | 2013-10-22 | Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103527123A true CN103527123A (en) | 2014-01-22 |
Family
ID=49929432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310496499.5A Pending CN103527123A (en) | 2013-10-22 | 2013-10-22 | Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103527123A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131795A (en) * | 2014-07-16 | 2014-11-05 | 德惠同利（北京）石油技术服务有限公司 | Well drilling fluid treatment device and method |
| CN104533324A (en) * | 2014-12-05 | 2015-04-22 | 北京华油兴业能源技术有限公司 | Oil field drilling device and solid control and environment protection integrated drilling liquid circulation processing system |
| CN104912505A (en) * | 2015-05-26 | 2015-09-16 | 成都高普石油工程技术有限公司 | Method capable of being used for simultaneously separating detritus and medium-fine sand from waste drilling fluid |
| CN104975817A (en) * | 2015-05-26 | 2015-10-14 | 成都高普石油工程技术有限公司 | Damage-free waste drilling fluid processing process |
| CN105443078A (en) * | 2015-11-09 | 2016-03-30 | 安东环保技术有限公司 | Oil-based drilling cutting innocent treatment and comprehensive utilization method and waterproof film |
| CN105625989A (en) * | 2016-02-29 | 2016-06-01 | 德惠同利（北京）石油技术服务有限公司 | Treatment equipment, treatment system and treatment method for enabling drilling fluid not to fall to ground |
| CN105672948A (en) * | 2016-02-01 | 2016-06-15 | 成都国盛环境保护技术有限公司 | Process and device for complete-collection anti-falling harmless treatment on well drilling waste |
| CN104265214B (en) * | 2014-08-04 | 2017-02-22 | 田立杰 | Landing-free automatic recovering and processing device for drill cuttings and waste liquid |
| CN106891440A (en) * | 2017-02-17 | 2017-06-27 | 建基建设集团有限公司 | A kind of economic and practical complete processing equipment of type cast-in-situ bored pile mud and processing method |
| CN106930727A (en) * | 2017-05-05 | 2017-07-07 | 成都大有石油钻采工程有限公司 | A kind of device and method for not landing treatment with brill suitable for drilling well clean manufacturing discarded object |
| CN106968629A (en) * | 2016-01-14 | 2017-07-21 | 中石化石油工程技术服务有限公司 | A kind of full well section drilling cuttings and rejected well drilling liquid do not land processing equipment |
| CN107201883A (en) * | 2016-03-17 | 2017-09-26 | 扬州市驰城石油机械有限公司 | Drilling mud does not land the drilling mud carrying method in processing procedure |
| CN107905749A (en) * | 2017-12-26 | 2018-04-13 | 陕西航天德林科技集团有限公司 | A kind of drilling mud does not land processing system and method |
| CN108397158A (en) * | 2018-02-08 | 2018-08-14 | 河北上善石油机械有限公司 | A kind of method for innocent treatment of drilling well solid-state castoff and its application |
| CN112983318A (en) * | 2019-12-17 | 2021-06-18 | 中国石油天然气股份有限公司 | Treatment device and treatment method for drilling waste |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002004090A2 (en) * | 2000-07-11 | 2002-01-17 | Vermeer Manufacturing Company | Continuous flow liquids/solids slurry cleaning, recycling and mixing system |
| US7731854B1 (en) * | 2007-02-15 | 2010-06-08 | H2O Tech, Inc. | Situ system and method for treating an oil and gas well drilling fluid |
| CN201567987U (en) * | 2009-06-26 | 2010-09-01 | 濮阳市天地人环保工程技术有限公司 | Complete equipment for processing waste drilling fluid while drilling |
| CN102126820A (en) * | 2011-01-24 | 2011-07-20 | 景津压滤机集团有限公司 | Sludge dewatering membrane filter press and filtration method thereof |
| CN102149644A (en) * | 2008-09-09 | 2011-08-10 | 凯创科技有限公司 | System and method for de-watering waste drilling fluids |
| CN103104203A (en) * | 2011-11-10 | 2013-05-15 | 吕宪冬 | Drilling-fluid solid-control control process |
| CN203175442U (en) * | 2013-04-18 | 2013-09-04 | 珠海海啸生物科技有限公司 | Skid-mounted oil field drilling mud harmless treatment device preventing mud from falling to ground |
-
2013
- 2013-10-22 CN CN201310496499.5A patent/CN103527123A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002004090A2 (en) * | 2000-07-11 | 2002-01-17 | Vermeer Manufacturing Company | Continuous flow liquids/solids slurry cleaning, recycling and mixing system |
| US7731854B1 (en) * | 2007-02-15 | 2010-06-08 | H2O Tech, Inc. | Situ system and method for treating an oil and gas well drilling fluid |
| CN102149644A (en) * | 2008-09-09 | 2011-08-10 | 凯创科技有限公司 | System and method for de-watering waste drilling fluids |
| CN201567987U (en) * | 2009-06-26 | 2010-09-01 | 濮阳市天地人环保工程技术有限公司 | Complete equipment for processing waste drilling fluid while drilling |
| CN102126820A (en) * | 2011-01-24 | 2011-07-20 | 景津压滤机集团有限公司 | Sludge dewatering membrane filter press and filtration method thereof |
| CN103104203A (en) * | 2011-11-10 | 2013-05-15 | 吕宪冬 | Drilling-fluid solid-control control process |
| CN203175442U (en) * | 2013-04-18 | 2013-09-04 | 珠海海啸生物科技有限公司 | Skid-mounted oil field drilling mud harmless treatment device preventing mud from falling to ground |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131795A (en) * | 2014-07-16 | 2014-11-05 | 德惠同利（北京）石油技术服务有限公司 | Well drilling fluid treatment device and method |
| CN104265214B (en) * | 2014-08-04 | 2017-02-22 | 田立杰 | Landing-free automatic recovering and processing device for drill cuttings and waste liquid |
| CN104533324A (en) * | 2014-12-05 | 2015-04-22 | 北京华油兴业能源技术有限公司 | Oil field drilling device and solid control and environment protection integrated drilling liquid circulation processing system |
| CN104533324B (en) * | 2014-12-05 | 2017-12-26 | 北京华油冠昌环保能源科技发展有限公司 | Oil drilling equipment and its solid controlling environment protection circulation of drilling fluid processing system |
| CN104912505A (en) * | 2015-05-26 | 2015-09-16 | 成都高普石油工程技术有限公司 | Method capable of being used for simultaneously separating detritus and medium-fine sand from waste drilling fluid |
| CN104975817A (en) * | 2015-05-26 | 2015-10-14 | 成都高普石油工程技术有限公司 | Damage-free waste drilling fluid processing process |
| CN105443078A (en) * | 2015-11-09 | 2016-03-30 | 安东环保技术有限公司 | Oil-based drilling cutting innocent treatment and comprehensive utilization method and waterproof film |
| CN106968629A (en) * | 2016-01-14 | 2017-07-21 | 中石化石油工程技术服务有限公司 | A kind of full well section drilling cuttings and rejected well drilling liquid do not land processing equipment |
| CN106968629B (en) * | 2016-01-14 | 2023-09-08 | 中石化石油工程技术服务有限公司 | Whole-well section drilling cuttings and waste drilling fluid non-falling treatment equipment |
| CN105672948A (en) * | 2016-02-01 | 2016-06-15 | 成都国盛环境保护技术有限公司 | Process and device for complete-collection anti-falling harmless treatment on well drilling waste |
| CN105672948B (en) * | 2016-02-01 | 2018-09-25 | 成都国盛环境保护技术有限公司 | A kind of drilling wastes are complete to collect the technique and device for not landing harmless treatment |
| CN105625989A (en) * | 2016-02-29 | 2016-06-01 | 德惠同利（北京）石油技术服务有限公司 | Treatment equipment, treatment system and treatment method for enabling drilling fluid not to fall to ground |
| CN107201883A (en) * | 2016-03-17 | 2017-09-26 | 扬州市驰城石油机械有限公司 | Drilling mud does not land the drilling mud carrying method in processing procedure |
| CN106891440A (en) * | 2017-02-17 | 2017-06-27 | 建基建设集团有限公司 | A kind of economic and practical complete processing equipment of type cast-in-situ bored pile mud and processing method |
| CN106930727A (en) * | 2017-05-05 | 2017-07-07 | 成都大有石油钻采工程有限公司 | A kind of device and method for not landing treatment with brill suitable for drilling well clean manufacturing discarded object |
| CN107905749A (en) * | 2017-12-26 | 2018-04-13 | 陕西航天德林科技集团有限公司 | A kind of drilling mud does not land processing system and method |
| CN107905749B (en) * | 2017-12-26 | 2024-04-02 | 陕西航天德林科技集团有限公司 | Drilling mud non-landing treatment system and method |
| CN108397158A (en) * | 2018-02-08 | 2018-08-14 | 河北上善石油机械有限公司 | A kind of method for innocent treatment of drilling well solid-state castoff and its application |
| CN112983318A (en) * | 2019-12-17 | 2021-06-18 | 中国石油天然气股份有限公司 | Treatment device and treatment method for drilling waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103527123A (en) | Abandoned well drilling matter disposal system with abandoned well drilling matter not falling on ground during drilling | |
| CN204851122U (en) | Mud does not fall to ground novelly along with boring processing system | |
| CN204851125U (en) | Drilling mud does not fall to ground environmental protection processing device | |
| CN101319607B (en) | Method for no-grounding treatment and comprehensive utilization of oil-gas field downhole operation output solution | |
| CN105298415B (en) | A kind of handling process of drilling wastes | |
| CN101690937A (en) | Process technology for treating drilling waste while drilling before falling onto ground in oil-gas fields | |
| CN104843955A (en) | Oil and gas field drilling mud waste while-drilling processing system and processing method thereof | |
| CN105819664A (en) | River and lake sludge treatment and disposal system | |
| CN205259985U (en) | Drilling mud does not fall to ground processing system | |
| CN104533324B (en) | Oil drilling equipment and its solid controlling environment protection circulation of drilling fluid processing system | |
| CN104829070B (en) | A kind of oilfield drilling mud garbage is with brill processing system | |
| CN107489385B (en) | Skid-mounted drilling oil-based and water-based mud non-landing treatment environment-friendly system | |
| RU2541957C1 (en) | Method of integrated treatment for drill mud, drilling wastewater and of neutralisation of drill cuttings in process of well drilling without construction of mud pits and device for method implementation | |
| CN203603810U (en) | System capable of disposing drilling waste materials in drilling process and allowing drilling waste materials not to fall on ground | |
| CN103206179A (en) | Skid-mounted landing-free harmless treatment device for drilling mud of oil field | |
| CN104208946B (en) | The direct processing method of coal-face water burst and equipment | |
| CN203469660U (en) | Direct treatment device for water burst of coal face | |
| CN106348563B (en) | Oil field waste slurry treatment system | |
| CN203175442U (en) | Skid-mounted oil field drilling mud harmless treatment device preventing mud from falling to ground | |
| CN205259983U (en) | Drilling mud receives screening and carries integrated device | |
| CN204644081U (en) | A kind of oilfield drilling mud waste is with brill treatment system | |
| JP4123510B2 (en) | Contaminated soil treatment system | |
| CN203925431U (en) | A kind of drilling waste while drilling before falling onto ground treatment system | |
| CN204125993U (en) | Diving self-propelled motor is scraped and is cut mud withdrawing device | |
| CN203547608U (en) | Waste drilling fluid treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140122 |