CN104986889A - High effective degrading method technology for wastewater treatment for fracturing drilling exploitation - Google Patents
High effective degrading method technology for wastewater treatment for fracturing drilling exploitation Download PDFInfo
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- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 41
- 238000004065 wastewater treatment Methods 0.000 title claims description 13
- 230000000593 degrading effect Effects 0.000 title 1
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 4
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000003292 glue Substances 0.000 claims abstract 3
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims abstract 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000001914 filtration Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 19
- 230000015556 catabolic process Effects 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- 238000011001 backwashing Methods 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 239000004160 Ammonium persulphate Substances 0.000 claims description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- -1 alcohol ethers Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000010779 crude oil Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Abstract
The invention provides a water treatment technology in fracturing oil and gas exploitation. The technology is characterized in that the technology has efficient and rapid effect on high load organic wastewater which is hard to decompose and related to fracturing, the technology is simple and easy to implement, the technology has the innovation points that system heat and system acid-base property are utilized optimally, favorable conditions are provided for each oxidizing agent to give play to the best performance, oxidation points are bunched into a line to form continuous oxygenolysis, and subsequent flocculent separation is efficient and rapid. The technology has extensive prospects for treatment of drilling exploitation wastewater generated by water-based, oil-based, milky and acidic fracturing fluid (such as linear glue and slickwater) which is composed of the materials of guanidine gum, polymer and surface active agents.
Description
Technical field
The present invention relates to the complicated component produced in a kind of oil gas pressure break drilling process, the waste water treatment process that degraded difficulty is large, this technique is at oil-gas field, and shale gas field, CBM Fracturing drilling wastewater treatment is widely used.
Background technology
The various combination of the flow processs such as separation, flocculation sediment, oxidation, absorption, electrolysis is mainly concentrated at present about pressure break drilling waste water treatment process, as can emission standard be reached after Jiangsu oilfield employing " flocculation-oil removal-precipitation-dual-stage oxidation " facture process, but the processing costs height treatment time is long, emission standard can be reached after " neutralization-coagulant precipitation-charcoal absorption " art breading of Sichuan oilfield exploitation, but in well site application comparatively inconvenience, processing costs is expensive.All in all there is drawback in these class methods, and as processing costs is expensive, the treatment time is long, or technology realizability requires high, or technology is not yet ripe, or potential safety hazard is large, therefore finds a kind of efficient quick.Simple economy, effective treatment process and method, for studies in China pressure break drilling refractory wastewater provides a kind of approach.
Summary of the invention
The object of this invention is to provide a kind of efficient economy, efficient and convenient, pressure break drilling waste water treatment process capable of being industrialized.Feature of the present invention is filter net type oil removal desanding breakdown of emulsion equalizing tank, the combined oxidation degraded pond under acid surfactant condition, neutralization heat coagulant precipitation pond, gravity mixing pressure reduction absorption filtering pool.Innovative point of the present invention is at Optimum utilization system heat, system acid-basicity, allow often kind of oxygenant play optimum performance and favourable condition is provided, thus the stage oxidation designing different oxygenant divides and unstrings a little for line, not only make oxidation susceptibility can concentrate from different aspect have an effect but also produce the persistence of timeliness, follow-up flocculation separation is efficient.This technique knot is enough compact simple and direct, the integrated height of compound, and performance benefits is given prominence to, and result can qualified discharge.The infrastructure device of this process matching can find ripe cheap product, for the industrialization of technique provides reliable guarantee on current market.
1, concrete technology technical scheme steps of the present invention is as follows:
(1) pressure break drilling waste water is first considered net through adjustable order number sieve to collect after reception tank regulates the homogeneous water yield (need breakdown of emulsion to stir and add crude oil and reverse demulsifier breakdown of emulsion) and introduce the oil removing of coalescent inclined plate sedimentation module natural subsidence, suspended substance and silt particle, technical parameter: hydraulic detention time 30 ~ 360 minutes Han You≤580mg/L, then haydite, fiber filtering modular filtration is pumped into, technical parameter suspension Han Liang≤100mg/L, filtering velocity 20 ~ 100m/h, backwashing time 10 ~ 50min, collect greasy dirt, silt particle focuses on.
(2) water after step (1) being processed pumps into the combined oxidation pond of (0.0001 ~ 0.0003) % acid alcohol ethers surfactant condition that aerating apparatus is housed, oxidation pond is provided with back flow reaction device, pH is controlled at 2-5 simultaneously, after adding (0.1 ~ 1) % hydrogen peroxide+(0.125 ~ 1.25) % ferrous sulfate (10 ~ 30) minute successively+(0.001 ~ 0.02) % ammonium persulphate (30 ~ 90) minute after+(0.02 ~ 0.4) % clorox (10 ~ 30) minute.
(3) water pump of step (2) being degraded through combined oxidation is as neutralization heat coagulation basin, and stir to add after the calcium oxide of (0.1 ~ 2) % and stir 3 to 5 minutes, stirs when temperature rises slowly add (0.001 ~ 1) 50% a kind of multifunction ion association type emulsion and preparation method thereof product (2013104803279) or use number of patent application:: 30%PAC:1 water glass cloudy from: 15%PAM adds also standing and reacting (1-3) hour every stirring in 5 minutes successively.
(4) supernatant liquor of step (3) coagulating sedimentation being pumped into gravity mixes in differential absorption filtering pool, it is main filtrate that flyash and gac are housed in filtering basin, technical parameter: filtering velocity 2 ~ 20m/h, backwashing time 20 ~ 50min, suspended substance reduced rate 20%-50% is Con trolling index, collects silt particle simultaneously and focuses on.
Accompanying drawing explanation
Accompanying drawing 1 is explanation to present invention process flow process and displaying.
Embodiment
1, an efficient degradation method technique for pressure break drilling wastewater treatment use, sees the following form according to its process portion main units equipment of process flow sheet:
| Module | Title | Parameter specification | Remarks |
| 1 | Swash plate oil removing settling pot | Ya Li≤0.6Mpa | Band cleaning system |
| 2 | Multilayer media filtration tank | Forcing filter rate 10-40m/h | Acid and alkali-resistance filtrate |
| 3 | Oxidative degradation pond | Impregnating material, joins stirring and refluxing | Additional heat, medicament system |
| 4 | Coagulative precipitation tank | Design solid-liquid separation part | Attached medicine system |
| 5 | Back flushing absorption filtering pool | Flyash and carbon leaching material are main | Be designed to the back flushing of gravity mixing pressure reduction |
| 6 | PH regulates medicine-adding bin | Volume pump≤1 440 (Lh -1) | Band stirrer |
| 7 | Compound mixes flocculation agent medicine-adding bin | Volume pump≤1 440 (Lh -1) | Continuous batch dosing |
After equipment in table and the assembling of required valve line are linked into the equipment of recombining process parameter by the efficient degradation method technique 2, used according to a kind of pressure break drilling wastewater treatment, the operation processing execution following steps of its technique:
(1) in conjunction with assay before wastewater treatment, determine closing down of equalizing tank breakdown of emulsion operation, then screen filtration device is opened, open lift pump waste water lifting to equalizing tank is carried out slagging-off breakdown of emulsion to leave standstill, caution of operation pumps into mixing, being less than settling velocity being held in precipitate phase current lift velocity, performing hydraulic detention time in 30 ~ 360 minutes according to assay.
(2) introducing combined oxidation degraded pond by executing the water outlet regulating treatment step, opening aerating apparatus aeration 3 minutes, controlling tolerance 0.05m
3/ m
2control pH is 3 simultaneously, add 0.0001% alcohol ethers surfactant, stop aeration, open reflux, oxygenant adding apparatus time and add order is set, add successively the hydrogen peroxide of 0.6%, 1.2% the ferrous sulfate ammonium persulphate that adds 0.05% after 20 minutes again to add after 0.03% clorox turbulence reaction after 30 minutes 1 hour, this process is the oxygenant of different performance principle is concentrated have an effect to carry out oxygenolysis with a High-efficiency Sustainable in string face.
(3) water extraction through step (2) is risen to coagulative precipitation tank, add under whipped state 1% calcium oxide stir 5 minutes after test when temperature rises, slowly add 0.02% complex coagulation precipitation reagent (a kind of multifunction ion association type emulsion and preparation method thereof product (number of patent application: 2013104803279): PAC: water glass: anionic polyacrylamide is 5:3:0.2:1.7) standing and reacting carries out coordination efficient flocculating in 2 hours.
(4) supernatant liquor processed through step (3) being pumped into gravity mixes in differential absorption filtering pool, processes flocculation sedimentation tank sludge settling to pond for recovering simultaneously.Then the pressure of absorption filtering pool is adjusted to 0.1Mpa, now in filter tank, filtrate activated carbon and flyash carry out adsorption filtration to pollutent remaining in water, regulate filtering velocity 5m/h, controlling the adsorption filtration time is 30-60 minute, after the qualifieds such as sampling and testing COD, prepare back flush discharge, idea backwash time controling, at 20 minutes, can stop water outlet after test suspension thing reduced rate is greater than 20%.After reclaiming a greasy dirt muddy water sand of step generation, whole processing step terminates simultaneously.
Embodiment 2
1, test the on-the-spot fracturing outlet liquid in field in real oil with above-mentioned Technology steps flow chart, design scale is 200m
2/ d
Detailed process technical scheme steps is as follows:
(1) fracturing wastewater is first considered net through adjustable order number sieve to collect after reception tank regulates the homogeneous water yield and introduce the oil removing of coalescent inclined plate sedimentation module natural subsidence, suspended substance and silt particle, technical parameter: hydraulic detention time 120 minutes Han You≤180mg/L, then haydite, fiber filtering modular filtration is pumped into, technical parameter suspension Han Liang≤60mg/L, filtering velocity 30m/h, backwashing time 30min, collect greasy dirt, silt particle focuses on.
(2) water after step (1) being processed pumps into the combined oxidation pond that aerating apparatus is housed, and opens aerating apparatus aeration 3 minutes, controls tolerance 0.05m
3/ m
2, control pH is 3 simultaneously, adds 0.0001% poly alkyl alcohol Soxylat A 25-7 surfactant, stops aeration, adds 0.5g hydrogen peroxide+0.06g ferrous sulfate+0.001g ammonium persulphate+0.02g clorox 30 minutes after 60 minutes after 20 minutes successively.
(3) water extraction through step (2) is risen to coagulative precipitation tank, add under whipped state 0.5g calcium oxide stir 5 minutes after test when temperature rises, slowly add 0.01g complex coagulation precipitation reagent (0.005g multifunction ion association type emulsion and preparation method thereof product (number of patent application: 2013104803279): 0.003gPAC:0.00018g water glass: 0.00182g anionic polyacrylamide standing and reacting carries out coordination efficient flocculating in 2 hours.
(4) supernatant liquor of step (3) coagulating sedimentation being pumped into gravity mixes in differential absorption filtering pool, it is main filtrate that flyash and gac are housed in filtering basin, technical parameter: filtering velocity 8m/h, backwashing time 30min, suspended substance reduced rate 30% is collected silt particle simultaneously and is focused on.
(5) test result is as following table.
As can be seen from detected result above, the treatment system of the efficient degradation method technique that a kind of pressure break drilling wastewater treatment uses and parameter step composition thereof is suitable for high density organic pressure break drilling waste water, completely from process operation result COD
crthe numerical value of SS petroleum-type colourity meets the first discharge standard in GB (GB8978-1996) completely, it is simply efficient that combined process and step parameter thereof can demonstrate technique, Applied economy, for pressure break and oil-field water process provide effective way, will be widely used at oil field of Environment Protection.
Claims (2)
1. an efficient degradation method technique for pressure break drilling wastewater treatment use, is characterized in that:
(1) this process structure simple and compact, one pond Multifunctional flexible is selected, create conditions and coordinate multiple oxygenant and work in coordination with continuous oxidation and decompose, composite multiple flocculation coagulation settling agent is remarkably productive, and physical filtering and absorption play a role and is connected timely with chemical treatment.
(2) this technique is by filter net type oil removal desanding breakdown of emulsion equalizing tank, the combined oxidation degraded neutralization heat coagulant precipitation pond, pond under acid surfactant condition, the complex function module composition that gravity mixing pressure reduction absorption filtering pool etc. are main.
(3) this technical module is implemented by following table major equipment.
(4) this technique is mainly used in the drilling wastewater treatment produced for water base, the oil-gas field fracturing liquid (as linear glue, slippery water) such as oil base, emulsus, acidity that material forms with guanidine glue, polymkeric substance, surfactant, acid amides etc.
2. the detailed technology scheme implementation step of the efficient degradation method technique of a pressure break drilling wastewater treatment use comprises as follows:
(1) pressure break drilling waste water is first considered net through adjustable order number sieve to collect after reception tank regulates the homogeneous water yield (need breakdown of emulsion to stir and add crude oil and reverse demulsifier breakdown of emulsion) and introduce the oil removing of coalescent inclined plate sedimentation module natural subsidence, suspended substance and silt particle; technical parameter: hydraulic detention time 30 ~ 360 minutes Han You≤580mg/L; then haydite, fiber filtering modular filtration is pumped into; technical parameter suspension Han Liang≤100mg/L; filtering velocity 20 ~ 100m/h; backwashing time 10 ~ 50min; collect greasy dirt, silt particle focuses on;
(2) water after step (1) being processed pumps into the combined oxidation pond of (0.0001 ~ 0.0003) % acid alcohol ethers surfactant condition that aerating apparatus is housed; oxidation pond is provided with back flow reaction device; pH is controlled at 2-5 simultaneously, after adding (0.1 ~ 1) % hydrogen peroxide+(0.125 ~ 1.25) % ferrous sulfate (10 ~ 30) minute successively+(0.001 ~ 0.02) % ammonium persulphate (30 ~ 90) minute after+(0.02 ~ 0.4) % clorox (10 ~ 30) minute;
(3) water pump of step (2) being degraded through combined oxidation is as neutralization heat coagulation basin; and stir to add after the calcium oxide of (0.1 ~ 2) % and stir 3 to 5 minutes, stirs when temperature rises slowly add (0.001 ~ 1) 50% a kind of multifunction ion association type emulsion and preparation method thereof product (2013104803279) or use number of patent application:: 30%PAC:1 water glass cloudy from: 15%PAM adds also standing and reacting (1-3) hour every stirring in 5 minutes successively;
(4) supernatant liquor of step (3) coagulating sedimentation being pumped into gravity mixes in differential absorption filtering pool, it is main filtrate that flyash and gac are housed in filtering basin, technical parameter: filtering velocity 2 ~ 20m/h, backwashing time 20 ~ 50min, suspended substance reduced rate 20%-50% is Con trolling index, collects silt particle simultaneously and focuses on.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851105A (en) * | 2019-02-25 | 2019-06-07 | 中国石油天然气股份有限公司 | A kind of measure waste liquid multistage treatment method and its processing system |
| CN110386680A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Product oil storage field sewage integrated treatment device |
| CN112679020A (en) * | 2020-12-25 | 2021-04-20 | 成都硕特环保科技有限公司 | Low-cost shale gas fracturing flowback fluid treatment system and treatment method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200333A (en) * | 2007-11-27 | 2008-06-18 | 高涛 | Method for treating oil field waste sludge |
| CN101397180A (en) * | 2008-08-06 | 2009-04-01 | 濮阳市天地人环保工程技术有限公司 | Technique for centralized processing and comprehensive utilization of drilling wastes |
| CN104558401A (en) * | 2013-10-14 | 2015-04-29 | 郭保祥 | Multi-functional ion association type emulsion and preparation method thereof |
-
2015
- 2015-06-10 CN CN201510317836.9A patent/CN104986889B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200333A (en) * | 2007-11-27 | 2008-06-18 | 高涛 | Method for treating oil field waste sludge |
| CN101397180A (en) * | 2008-08-06 | 2009-04-01 | 濮阳市天地人环保工程技术有限公司 | Technique for centralized processing and comprehensive utilization of drilling wastes |
| CN104558401A (en) * | 2013-10-14 | 2015-04-29 | 郭保祥 | Multi-functional ion association type emulsion and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386680A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Product oil storage field sewage integrated treatment device |
| CN109851105A (en) * | 2019-02-25 | 2019-06-07 | 中国石油天然气股份有限公司 | A kind of measure waste liquid multistage treatment method and its processing system |
| CN109851105B (en) * | 2019-02-25 | 2022-02-01 | 中国石油天然气股份有限公司 | Multi-stage treatment method and treatment system for measure waste liquid |
| CN112679020A (en) * | 2020-12-25 | 2021-04-20 | 成都硕特环保科技有限公司 | Low-cost shale gas fracturing flowback fluid treatment system and treatment method |
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Effective date of registration: 20180717 Address after: 457001 No. 1, unit 59, green view garden, Daqing Road, Hualong District, Puyang, Henan 1202 Patentee after: Guo Baoxiang Address before: 457000 Puyang city of Henan Province Patentee before: PUYANG XINQING PETROLEUM TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: Floor 9, Petroleum Building, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region 834000 Patentee after: Kelamayi Guo Kan Petrotechnik Ltd. Address before: 457001 No. 1, unit 59, green view garden, Daqing Road, Hualong District, Puyang, Henan 1202 Patentee before: Guo Baoxiang |