CN108439712A - A kind of oil-gas field fracturing returns drain processing method - Google Patents
A kind of oil-gas field fracturing returns drain processing method Download PDFInfo
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- CN108439712A CN108439712A CN201810311410.6A CN201810311410A CN108439712A CN 108439712 A CN108439712 A CN 108439712A CN 201810311410 A CN201810311410 A CN 201810311410A CN 108439712 A CN108439712 A CN 108439712A
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- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 230000015271 coagulation Effects 0.000 claims abstract description 18
- 238000005345 coagulation Methods 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 238000005188 flotation Methods 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 238000001471 micro-filtration Methods 0.000 claims abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000009287 sand filtration Methods 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 2
- 239000010453 quartz Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
A kind of oil-gas field fracturing of present invention offer returns drain processing method, includes the following steps:Glue is broken in oxidation;Coagulation air-float;By-pass filtration;Secondary filtration;Sterilization;Three-stage filtration;Fine filtering.The equipment of the present invention includes by the sequentially connected oxidation pond of pipeline, flotation tank, quartz filter, bag filter, ultraviolet sterilizer, modified fiber ball filter, ceramic membrane microfiltration device;Three-phase mixer is equipped with wherein in oxidation pond, air-flotation system;The present invention is additionally provided with chemicals dosing plant area and automatically controls area, and oxidation pond and air-flotation system are connected with corresponding grug feeding jar respectively, this project uses full air-dissolving air-float mode, molten large-minded, increases suspended matter and bubble contact chance, and required flotation tank takes up little area;Airfloat equipment is equipped with vortex three-phase mixer simultaneously, integrates molten gas, differential stirring, flco aerating, particle attachment, the generation of molten gas nucleus and bubble release function.
Description
Technical field
The invention belongs to technical field of waste water processing, more particularly to a kind of oil-gas field fracturing returns drain processing method.
Background technology
Hydraulic fracturing technology is widely used in oil and gas exploitation, and the water conservancy diversion of oil-gas Layer can be promoted by hydraulic fracturing
Ability can cause a large amount of fracturing fluid recovery (backflow)s to ground simultaneously to reach volume increase purpose.With continually developing for China oil field, oil
Gas well fracturing returns drain discharge capacity and is continuously increased.
Fracturing outlet liquid contains the various chemical addition agents in original fracturing fluid, simultaneously because contacted for a long time with stratum,
Also contain the pollutants such as suspension organic impurities, phenols, aldehydes.Fracturing outlet liquid is high with viscosity, emulsification degree is big, height is chemical needs
The feature of oxygen amount, high total suspended matter and water quality complexity, if without rationally disposing and direct emission, it can be to underground water, earth's surface
Water, soil cause huge harm, or even directly or indirectly threaten human health.
The purpose of fracturing outlet liquid processing is divided into outer row, reuse, re-injection, and outer row's water quality index is more, and intractability is maximum, at
This highest, re-injection are the processing modes that current each major oil and gas field generally uses.Therefore, it develops a kind of with higher economical and efficient
Fracturing outlet liquid injected technology up to standard is significant to environmental protection and social development.
Invention content
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of oil-gas field fracturings to return row's processing method, main
Physico-chemical process is used, has the characteristics that treatment effect is good, cost is relatively low, the cycle of operation is short, water quality meets after processing
Oil field reinjection water standard.
To achieve the goals above, the present invention is to realize by the following technical solutions:A kind of oil-gas field fracturing returns row
Liquid processing method includes the following steps:
(1) it aoxidizes and breaks glue:Oxidant is added into fracturing outlet liquid in oxidation pond, the oxidant is that sodium hypochlorite is molten
Liquid, effective chlorine density 10%, dosage 5-6g/L are sufficiently stirred, and react 30min;
(2) coagulation air-float:Oxidized water outlet after breaking gel is passed through airfloat equipment, it is fully anti-that coagulant, flocculation aid is added
It answers, the airfloat equipment is full air-dissolving air-float equipment;
(3) by-pass filtration:Coagulation air-float water outlet is filtered into grade one filter, and the grade one filter is quartz sand
Filter, it is 0.4-0.8mm that quartz sand, which selects specification,;
(4) secondary filtration:Water outlet enters secondary filter and filters after grade one filter filters, and the secondary filter is
Bag filter, inside have three layers to remove oil bag, and filter bag material is PE non-woven fabrics, efficient degreasing cotton, filtering accuracy 1um;
(5) it sterilizes:Secondary filter water outlet is sterilized into sterilizing unit;
(6) three-stage filtration:It is discharged after sterilization and is filtered into tertiary filter;
(7) fine filtering:After tertiary filter water outlet enters fine filter progress fine filtering, it is discharged direct re-injection.
As a kind of preferred embodiment of the present invention, it is 5 or so to aoxidize pH value when breaking glue, and pH value is 6-7 left when coagulation air-float
It is right.
As a kind of preferred embodiment of the present invention, the coagulant is aluminium polychloride, and flocculation aid is cation polypropylene
Amide (molecular weight is 1600-2000 ten thousand), aluminium polychloride dosage are 0.6-2g/L, and polyacrylamide dosage is 0.02-
0.1g/L。
As a kind of preferred embodiment of the present invention, the dross that the coagulation air-float generates is through concentrating compression processing, dross pressure
The equipment used contract for folded spiral shell machine, the concentrated water that the liquid and fine filtering of generation generate enters the broken glue step of oxidation.
As a kind of preferred embodiment of the present invention, the sterilizing unit is ultraviolet sterilizer, selects that overflow-type is ultraviolet kills
Bacterium device.
As a kind of preferred embodiment of the present invention, the tertiary filter is modified fiber ball filter.
As a kind of preferred embodiment of the present invention, the fine filter is ceramic membrane microfiltration device, ceramics fenestra used
Diameter is 0.05um.
As a kind of preferred embodiment of the present invention, it is equipped with blender in the oxidation pond, and be connected with oxidating chemicals tank, be used in combination
Metering pump is controlled and is measured.
As a kind of preferred embodiment of the present invention, it is equipped with three-phase mixer in air-flotation system, and is connected with coagulation, flocculation medicament
Tank is used in combination metering pump to be controlled and measured.
Beneficial effects of the present invention are:
1, this project can reduce waste water viscosity in such a way that glue is broken in oxidation and coagulation air-float is combined after broken glue processing,
Be conducive to improve coagulation air-float effect.
2, this project uses full air-dissolving air-float mode, molten large-minded, increases suspended matter and bubble contact chance, and required gas
Floating pond takes up little area;Simultaneously airfloat equipment be equipped with vortex three-phase mixer, collect molten gas, differential stirring, flco aerating, particle adhere to,
Molten gas nucleus generates and bubble release function is in one.
3, the present invention uses multistage filtering technique, the more stable removal pollutant of energy.
4, terminal of the present invention uses ceramic membrane filter system, improves effluent quality.
Description of the drawings
Fig. 1 is the process flow chart that a kind of oil-gas field fracturing returns drain processing method;
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Referring to Fig. 1, the present invention provides a kind of technical solution:A kind of oil-gas field fracturing returns drain processing method, including with
Lower step:
(1) it aoxidizes and breaks glue:Oxidant is added into fracturing outlet liquid in oxidation pond, the oxidant is that sodium hypochlorite is molten
Liquid, effective chlorine density 10%, dosage 5-6g/L are sufficiently stirred, and react 30min;
(2) coagulation air-float:Oxidized water outlet after breaking gel is passed through airfloat equipment, it is fully anti-that coagulant, flocculation aid is added
It answers, the airfloat equipment is full air-dissolving air-float equipment;
(3) by-pass filtration:Coagulation air-float water outlet is filtered into grade one filter, and the grade one filter is quartz sand
Filter, it is 0.4-0.8mm that quartz sand, which selects specification,;
(4) secondary filtration:Water outlet enters secondary filter and filters after grade one filter filters, and the secondary filter is
Bag filter, inside have three layers to remove oil bag, and filter bag material is PE non-woven fabrics, efficient degreasing cotton, filtering accuracy 1um;
(5) it sterilizes:Secondary filter water outlet is sterilized into sterilizing unit;
(6) three-stage filtration:It is discharged after sterilization and is filtered into tertiary filter;
(7) fine filtering:After tertiary filter water outlet enters fine filter progress fine filtering, it is discharged direct re-injection.
As a kind of preferred embodiment of the present invention, it is 5 or so to aoxidize pH value when breaking glue, and pH value is 6-7 left when coagulation air-float
It is right.
As a kind of preferred embodiment of the present invention, the coagulant is aluminium polychloride, and flocculation aid is cation polypropylene
Amide (molecular weight is 1600-2000 ten thousand), aluminium polychloride dosage are 0.6-2g/L, and polyacrylamide dosage is 0.02-
0.1g/L。
As a kind of preferred embodiment of the present invention, the dross that the coagulation air-float generates is through concentrating compression processing, dross pressure
The equipment used contract for folded spiral shell machine, the concentrated water that the liquid and fine filtering of generation generate enters the broken glue step of oxidation.
As a kind of preferred embodiment of the present invention, the sterilizing unit is ultraviolet sterilizer, selects that overflow-type is ultraviolet kills
Bacterium device.
As a kind of preferred embodiment of the present invention, the tertiary filter is modified fiber ball filter.
As a kind of preferred embodiment of the present invention, the fine filter is ceramic membrane microfiltration device, ceramics fenestra used
Diameter is 0.05um, transmembrane pressure 0.2Mpa, and sewage temperature is 25 DEG C, and device uses cross-flow filtration, waste water filtrate after filtering
It is directly used in re-injection, concentrated water enters system oxidation pond and handled.
As a kind of preferred embodiment of the present invention, it is equipped with blender in the oxidation pond, and be connected with oxidating chemicals tank, be used in combination
Metering pump is controlled and is measured.
As a kind of preferred embodiment of the present invention, it is equipped with three-phase mixer in air-flotation system, and is connected with coagulation, flocculation medicament
Tank is used in combination metering pump to be controlled and measured.
Operation principle:The equipment of the present invention includes by the sequentially connected oxidation pond of pipeline, flotation tank, quartz sand filtration
Device, bag filter, ultraviolet sterilizer, modified fiber ball filter, ceramic membrane microfiltration device;Wherein oxidation pond, air supporting system
Three-phase mixer is equipped in system;The present invention is additionally provided with chemicals dosing plant area and automatically controls area, oxidation pond and air-flotation system respectively with
The connection of corresponding grug feeding jar, fracturing outlet liquid sequentially enter oxidation pond, flotation tank, quartz filter, bag filter, ultraviolet
Line sterilizer, modified fiber ball filter, ceramic membrane microfiltration device are handled, using present treatment technique to fracturing outlet liquid
Re-injection Con trolling index removal efficiency is high, and high treating effect can meet oil field reinjection water matter standard after processing.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (9)
1. a kind of oil-gas field fracturing returns drain processing method, which is characterized in that include the following steps:
(1) it aoxidizes and breaks glue:Oxidant is added into fracturing outlet liquid in oxidation pond, the oxidant is liquor natrii hypochloritis,
Effective chlorine density is 10%, and dosage 5-6g/L is sufficiently stirred, and reacts 30min;
(2) coagulation air-float:Oxidized water outlet after breaking gel is passed through airfloat equipment, coagulant is added, flocculation aid fully reacts, institute
It is full air-dissolving air-float equipment to state airfloat equipment;
(3) by-pass filtration:Coagulation air-float water outlet is filtered into grade one filter, and the grade one filter is quartz sand filtration
Device, it is 0.4-0.8mm that quartz sand, which selects specification,;
(4) secondary filtration:Water outlet enters secondary filter and filters after grade one filter filters, and the secondary filter is pocket type
Filter, inside have three layers to remove oil bag, and filter bag material is PE non-woven fabrics, efficient degreasing cotton, filtering accuracy 1um;
(5) it sterilizes:Secondary filter water outlet is sterilized into sterilizing unit;
(6) three-stage filtration:It is discharged after sterilization and is filtered into tertiary filter;
(7) fine filtering:After tertiary filter water outlet enters fine filter progress fine filtering, it is discharged direct re-injection.
2. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that pH when glue is broken in oxidation
Value is 5 or so, and pH value is 6-7 or so when coagulation air-float.
3. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that the coagulant is
Aluminium polychloride, flocculation aid are cationic polyacrylamide (molecular weight is 1600-2000 ten thousand), and aluminium polychloride dosage is
0.6-2g/L, polyacrylamide dosage are 0.02-0.1g/L.
4. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that the coagulation air-float
The dross of generation is through concentrating compression processing, and the equipment that dross compression uses is folded spiral shell machine, liquid and the fine filtering production of generation
Raw concentrated water enters oxidation and breaks glue step.
5. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that the sterilizing unit
For ultraviolet sterilizer, overflow-type ultraviolet sterilizer is selected.
6. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that the three-stage filtration
Device is modified fiber ball filter.
7. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that the fine filtering
Device is ceramic membrane microfiltration device, and ceramics membrane aperture used is 0.05um.
8. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that in the oxidation pond
Equipped with blender, and it is connected with oxidating chemicals tank, metering pump is used in combination to be controlled and measured.
9. a kind of oil-gas field fracturing according to claim 1 returns drain processing method, which is characterized in that set in air-flotation system
There is three-phase mixer, and be connected with coagulation, flocculation pharmacy jar, metering pump is used in combination to be controlled and measured.
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CN109534581A (en) * | 2018-12-30 | 2019-03-29 | 南京霄祥工程技术有限公司 | A kind of Zero-discharge treating process of Cutting Liquid Wastewater |
CN110240328A (en) * | 2019-07-19 | 2019-09-17 | 西安富仕兴环保科技有限公司 | A kind of sewerage integrated efficient process equipment of skid-mounted type |
CN110467298A (en) * | 2019-08-23 | 2019-11-19 | 杰瑞环保科技有限公司 | A kind of fracturing outlet liquid immediate processing method |
CN110482759A (en) * | 2019-08-28 | 2019-11-22 | 宜兴国际环保城科技发展有限公司 | A kind of comprehensive waste liquid multiplexed combination recovery processing technique of oilfield operation |
CN110510771A (en) * | 2019-08-23 | 2019-11-29 | 杰瑞环保科技有限公司 | A kind of guanidine colloid system fracturing outlet liquid processing method and processing device |
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CN112624411A (en) * | 2020-12-17 | 2021-04-09 | 华东理工大学 | Deep purification method and device for fracturing flowback fluid |
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CN113526730A (en) * | 2021-07-26 | 2021-10-22 | 南京南环水务科技有限公司 | Fracturing flow-back fluid treatment method and treatment device |
CN115259470A (en) * | 2022-08-18 | 2022-11-01 | 延安圣洋环保有限公司 | Treatment method of fracturing flow-back fluid |
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