CN104649471A - Process for processing and recycling fracturing flow-back fluid - Google Patents
Process for processing and recycling fracturing flow-back fluid Download PDFInfo
- Publication number
- CN104649471A CN104649471A CN201410845813.0A CN201410845813A CN104649471A CN 104649471 A CN104649471 A CN 104649471A CN 201410845813 A CN201410845813 A CN 201410845813A CN 104649471 A CN104649471 A CN 104649471A
- Authority
- CN
- China
- Prior art keywords
- liquid
- fracturing
- fracturing outlet
- outlet liquid
- propping agent
- 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.)
- Granted
Links
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
- C02F1/24—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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- 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
The invention provides a process for processing and recycling a fracturing flow-back fluid. The flow-back fluid which is blown off from a wellhead sequentially passes through a high-pressure hydrocyclone desanding device, a flow regulation pressure reducing manifold, a low-pressure three-phase separation device, a fine filtering device and a fracturing flow-back fluid storage tank; the fracturing fluid is prepared again by detecting and adding a water conditioning agent and is stored in a fracturing fluid storage tank; gas separated out after passing through the high-pressure hydrocyclone desanding device is collected by a gas transmission line; and a solid propping agent which is separated out through the low-pressure three-phase separation device is collected by a propping agent collection container. According to the process, the fracturing water is saved; the construction cycle is shortened; the single-layer construction time is shortened by about 1 day; the process can be applied to next-layer fracturing of the wellhead; the process is small in floor area; a storage reaction tank and the like are not needed; water resources are repeatedly utilized; and environmental pollution is reduced.
Description
Technical field
The present invention relates to a kind of fracturing outlet liquid process recycling flow process, belong to the water treatment field of oil-gas field development.
Background technology
Cluster wells transformation both at home and abroad at present has all entered the large-scale development stage on Oil/gas Well, from initial " two sisters " cluster wells to " 14 sisters " cluster wells, from clump formula straight well (inclined shaft) to cluster horizontal well, cluster wells quantity increases year by year, and transformation scale also increases year by year.In addition, because large quantities of hypotonic Oil in Super-low Permeability Reservoirs enters the scale development stage, fractured horizontal well and volume fracturing become the agent technology of oil-gas field development gradually, but along with transformation scale expansion, the quantity returning discharge opeing after pressure also sharply increases.According to statistics, the Changqing oilfields fracturing outlet liquid amount of nearly 3 years is about 72.64,128.39,1,800,000 tons.
Processing mode at present for fracturing fluid recovery (backflow) liquid has two kinds, and a kind of is take to be transported to the waste water station of specifying with water tanker to carry out concentrated purifying treatment, then re-injection or discharge; Another kind adopts at the construction field (site) to dig focusing on of blowdown hole paving anti seepage membrane, not only takies a large amount of soils, and can not thoroughly solve the pollution of environment.
Summary of the invention
In order to overcome fracturing outlet liquid cannot online recycling recycling technical barrier, contaminate environment and cost higher, fracturing outlet liquid treatment process length consuming time in the past, treatment facility and storage tank take up an area large problem, the invention provides a kind of fracturing outlet liquid process recycling flow process.
A kind of fracturing outlet liquid process recycling flow process is after being carried out by fracturing outlet liquid being separated, filtering, then is reconfigured as new fracturing liquid, realizes the process recycling of fracturing outlet liquid.Can online treatment fracturing outlet liquid, process flow reaches the traffic requirement of pressure break open flow discharge opeing, fast processing (the not low 60m for the treatment of capacity
3/ h), next lamination that can be used for very moment well splits, and takes up an area little, does not need storage reaction pond etc., and recycling water resources, reduces environmental pollution.
The technical solution used in the present invention is:
A kind of fracturing outlet liquid process recycling flow process, concrete steps are as follows:
1), after gasser pressing crack construction terminates, liquid and Selid propping agent mixed solution, through high pressure cyclone degasifying device, by the gas delivery in fracturing outlet liquid to gas transmission line, are separated by the fracturing outlet liquid that well head open flow goes out;
2) by step 1) through separation after mixed solution through low voltage three-phase tripping device, the gas in mixed solution, liquid and Selid propping agent are separated, gas delivery is to gas transmission line, and Selid propping agent is collected by propping agent collection container;
3) by step 2) in isolated liquid send into fine filtration device, through coarse filtration and finly filtration, reduce the content returning suspended substance in discharge opeing, make its content not higher than 200mg/L;
4) fracturing outlet liquid in step 3) after fine filtration device process is sent in fracturing outlet liquid hold-up vessel, pH value and liquid viscosity is detected through detector, as pH value >5, add PH conditioning agent, make pH value≤5, after the pH value of liquid is adjusted to pH value≤5, by inject adding set to return discharge opeing hold-up vessel supplement weight ratio be 3 ‰ add water conditioners, and inject viscosifying agent, make its viscosity be increased to more than 30mPas;
5) mixing liquid obtained through step 4) is sent in fracturing liquid hold-up vessel stores.
Liquid in described step 1) after the process of high pressure cyclone degasifying device and Selid propping agent mixed solution, through the step-down of reducing pressure by regulating flow manifold, are sent in low voltage three-phase tripping device after controlling within 2MPa by the pressure of mixed solution again.
First the fracturing outlet liquid that described well head open flow goes out can also branch be stored into and return in discharge opeing temporary storage tank, is then sent to low voltage three-phase tripping device.
Described Selid propping agent is quartz sand or haydite.
Beneficial effect of the present invention is:
(1) this cover system can realize online treatment and the recycling of fracturing outlet liquid, and treatment capacity is not less than 60m
3/ h, can meet Oil/gas Well open flow discharge opeing requirement.
(2) return discharge opeing recovery system and there is execute-in-place simply, return discharge opeing organic efficiency high, the advantage of reusable edible.
(3) return discharge opeing recovery and processing system and can reduce fracturing liquid discharging of waste liquid, save water blanket, lead by the row of returning of 65-85%, recovery return the dosing water of discharge opeing for constructing again, shorten construction period, individual layer shorten about 1 day of engineering time.
Be described in detail below with reference to accompanying drawing.
Accompanying drawing explanation
A kind of fracturing outlet liquid process recycling of Fig. 1 flow process.
In figure, Reference numeral: 1, well head; 2, high pressure cyclone degasifying device; 3, reducing pressure by regulating flow manifold; 4, low voltage three-phase tripping device; 5, fine filtration device; 6, fracturing outlet liquid hold-up vessel; 7, fracturing liquid hold-up vessel; 8, discharge opeing temporary storage tank is returned; 9, gas transmission line; 10, propping agent collection container; 11, adding set is injected; 12, detector.
Embodiment
Embodiment 1:
In order to overcome fracturing outlet liquid cannot online recycling recycling technical barrier, contaminate environment and cost higher, fracturing outlet liquid treatment process length consuming time in the past, treatment facility and storage tank take up an area large problem, the invention provides a kind of fracturing outlet liquid process recycling flow process, the present invention can realize online treatment and the recycling of fracturing outlet liquid, and treatment capacity is not less than 60m
3/ h, can meet Oil/gas Well open flow discharge opeing requirement.Return discharge opeing recovery system and there is execute-in-place simply, return discharge opeing organic efficiency higher than 98%, the advantage of reusable edible.Return discharge opeing recovery and processing system and can reduce fracturing liquid discharging of waste liquid, save water blanket, shorten construction period, individual layer shortens about 1 day of engineering time.
Device in the present invention carries out installation connection by following, high pressure cyclone degasifying device 2 is connected with well head 1 by pipeline, the air outlet, top of high pressure cyclone degasifying device 2 is connected with gas gathering pipeline 9, high pressure cyclone degasifying device 2 lower part outlet is connected with reducing pressure by regulating flow manifold 3, and reducing pressure by regulating flow manifold 3 lower part outlet is connected with low voltage three-phase tripping device 4; The outlet of low voltage three-phase tripping device 4 one end is connected with propping agent collection container 10, low voltage three-phase tripping device 4 upper outlet is connected with gas gathering pipeline 9, lower part outlet is connected with fine filtration device 5, and described fine filtration device 5 lower part outlet is communicated with fracturing outlet liquid hold-up vessel 6 upper entrance; Ingress, fracturing outlet liquid hold-up vessel 6 one end is connected with the injection adding set 11 injecting fracturing fluid additive, fracturing outlet liquid hold-up vessel 6 the other end is also provided with the detector 12 detecting and analyze, and described fracturing outlet liquid hold-up vessel 6 lower part outlet is connected with fracturing liquid hold-up vessel 7.
A kind of fracturing outlet liquid process recycling flow process, concrete steps are as follows:
1), after gasser pressing crack construction terminates, liquid and Selid propping agent mixed solution, through high pressure cyclone degasifying device 2, by the gas delivery in fracturing outlet liquid to gas transmission line 9, are separated by the fracturing outlet liquid that well head 1 open flow goes out;
2) by step 1) through separation after mixed solution through low voltage three-phase tripping device 4, the gas in mixed solution, liquid and Selid propping agent are separated, gas delivery is to gas transmission line 9, and Selid propping agent is collected by propping agent collection container 10;
3) by step 2) in isolated liquid send into fine filtration device 5, through coarse filtration and finly filtration, reduce the content returning suspended substance in discharge opeing, make its content not higher than 200mg/L;
4) fracturing outlet liquid in step 3) after fine filtration device 5 processes is sent in fracturing outlet liquid hold-up vessel 6, pH value and viscosity is detected through detector 12, as pH value >5, add PH conditioning agent, make pH value≤5, after the pH value of liquid is adjusted to pH value≤5, by inject adding set 11 to return discharge opeing hold-up vessel 6 supplement weight ratio be 3 ‰ add water conditioners, and inject viscosifying agent, make its viscosity be increased to more than 30mPas;
5) mixing liquid obtained through step 4) is sent in fracturing liquid hold-up vessel 7 stores.
Described Selid propping agent is quartz sand or haydite.
A kind of fracturing outlet liquid process recycling flow process of the present invention, be made up of high pressure cyclone desanding device 2, low voltage three-phase tripping device 4 and fine filtration device 5 three processing modules, each module independently becomes sled, supporting reducing pressure by regulating flow manifold 3, propping agent collection container 10, returns discharge opeing temporary storage tank 8, fracturing outlet liquid storage tank 6, fracturing liquid storage tank 7.According to fracturing outlet liquid character and Oil/gas Well type difference, collocation packaging technology circuit.
Described well head 1 is also connected with and returns discharge opeing temporary storage tank 8, described in return discharge opeing temporary storage tank 8 outlet be connected with the entrance of low voltage three-phase tripping device 4.
The present invention can realize online treatment and the recycling of fracturing outlet liquid, and treatment capacity is not less than 60m
3/ h, can meet Oil/gas Well open flow discharge opeing requirement.
Return discharge opeing recovery system and there is execute-in-place simply, return discharge opeing organic efficiency higher than 98%, the advantage of reusable edible.
Return discharge opeing recovery and processing system and can reduce fracturing liquid discharging of waste liquid, save water blanket, lead by the row of returning of 65-85%, recovery return the dosing water of discharge opeing for constructing again, shorten construction period, individual layer shorten about 1 day of engineering time.
Embodiment 2:
On basis based on embodiment 1,
1), after gasser pressing crack construction terminates, liquid and Selid propping agent mixed solution, through high pressure cyclone degasifying device 2, by the gas delivery in fracturing outlet liquid to gas transmission line 9, are separated by the fracturing outlet liquid that well head 1 open flow goes out;
2) in step 1) through high pressure cyclone degasifying device 2 process after liquid and Selid propping agent mixed solution through reducing pressure by regulating flow manifold 3 step-down, by fracturing control at 2MPa;
3) by step 2) through separation after mixed solution through low voltage three-phase tripping device 4, the gas in mixed solution, liquid and Selid propping agent are separated, gas delivery is to intake pipeline 9, and Selid propping agent is collected by propping agent collection container 10;
4) liquid isolated in step 3) is sent into fine filtration device 5, through coarse filtration and finly filtration, reduce the content returning suspended substance in discharge opeing, make its content not higher than 200mg/L;
5) fracturing outlet liquid in step 4) after fine filtration device 5 processes is sent in fracturing outlet liquid hold-up vessel 6, pH value and viscosity is detected through detector 12, as pH value >5, add PH conditioning agent, make pH value≤5, after the pH value of liquid is adjusted to pH value≤5, by inject adding set 11 to return discharge opeing hold-up vessel 6 supplement weight ratio be 3 ‰ add water conditioners, and inject viscosifying agent, make its viscosity be increased to more than 30mPas;
6) mixing liquid obtained through step 5) is sent in fracturing liquid hold-up vessel 7 stores.
Liquid in described step 1) after high pressure cyclone degasifying device 2 processes and Selid propping agent mixed solution, through reducing pressure by regulating flow manifold 3 step-down, are sent in low voltage three-phase tripping device 4 after controlling within 2MPa by the pressure of mixed solution again.
Increase reducing pressure by regulating flow manifold 3 in the present embodiment, can reduce and return the impact of discharge opeing to low voltage three-phase tripping device 4, also can control pressure, make to carry out subsequent step when 2MPa, protect low voltage three-phase tripping device 4, add the life-span.
First the fracturing outlet liquid that described well head 1 open flow goes out can also branch be stored into and return in discharge opeing temporary storage tank 8, is then sent to low voltage three-phase tripping device 4.
Add and return the impact returning discharge opeing that discharge opeing temporary storage tank 8 can alleviate well head 1 open flow place, also can be for subsequent use, can effectively prevent due to open flow excessive velocities, and the problem that gas row is unclean.
Embodiment 3:
Adopt the water conditioner of Hubei Hai Li Environmental Protection Technology Co., Ltd in the present embodiment, water conditioner mainly to remove in water part ion to the impact of fracturing liquid character.Water conditioner can be PH conditioning agent, regulates pH value postemphasis proportion, makes final pH value be less than or equal to 5, meet and reconfigure of the fracturing fluid requirement.
The fracturing outlet liquid that open flow goes out, is also stored in advance and returns in the temporary storage tank 8 of discharge opeing, reach the ability slowing down open flow flow, also can directly enter low voltage three-phase tripping device 4, carry out separation gas, liquid and Selid propping agent.
Process flow of the present invention: gas well returns discharge opeing processing power 4m
3/ min, gas 20 × 10
4m
3/ d; Liquids recovery rate 99%, gas-liquid separation rate 99%, is separated except sand coarse aggregate ratio 99%; Oil well returns discharge opeing processing power 3m
3/ min, liquids recovery rate 99%, is separated except sand coarse aggregate ratio 99%; Return discharge opeing suspension content not higher than 200mg/L.
Fine filtration device 5 returns discharge opeing suspension content not higher than 200mg/L after processing.
This cover system can realize online treatment and the recycling of fracturing outlet liquid, and treatment capacity is not less than 60m
3/ h, can meet Oil/gas Well open flow discharge opeing requirement.
Return discharge opeing recovery system and there is execute-in-place simply, return discharge opeing organic efficiency higher than 98%, the advantage of reusable edible.
Return discharge opeing recovery and processing system and can reduce fracturing liquid discharging of waste liquid, save water blanket, lead by the row of returning of 65-85%, recovery return the dosing water of discharge opeing for constructing again, shorten construction period, individual layer shorten about 1 day of engineering time.
Low voltage three-phase tripping device 4 in above-described embodiment is triphase separator, and high pressure cyclone degasifying device 2 is degasifier, fine filtration device 5 is fine filter, injects adding set and adopts this known technology.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (4)
1. a fracturing outlet liquid process recycling flow process, concrete steps are as follows:
1), after gasser pressing crack construction terminates, liquid and Selid propping agent mixed solution, through high pressure cyclone degasifying device (2), by the gas delivery in fracturing outlet liquid to gas transmission line (9), are separated by the fracturing outlet liquid that well head (1) open flow goes out;
2) by step 1) through separation after mixed solution through low voltage three-phase tripping device (4), gas in mixed solution, liquid and Selid propping agent are separated, gas delivery is to gas transmission line (9), and Selid propping agent is collected by propping agent collection container (10);
3) by step 2) in isolated liquid send into fine filtration device (5), through coarse filtration and finly filtration, reduce the content returning suspended substance in discharge opeing, make its content not higher than 200mg/L;
4) fracturing outlet liquid in step 3) after fine filtration device (5) process is sent in fracturing outlet liquid hold-up vessel (6), pH value and viscosity is detected through detector (12), as pH value >5, add PH conditioning agent, make pH value≤5, after the pH value of liquid is adjusted to pH value≤5, by inject adding set (11) to return discharge opeing hold-up vessel (6) supplement weight ratio be 3 ‰ add water conditioners, and inject viscosifying agent, make its viscosity be increased to more than 30mPas;
5) mixing liquid obtained through step 4) is sent in fracturing liquid hold-up vessel (7) stores.
2. a kind of fracturing outlet liquid process recycling flow process according to claim 1, it is characterized in that: the liquid in described step 1) after high pressure cyclone degasifying device (2) process and Selid propping agent mixed solution, through reducing pressure by regulating flow manifold (3) step-down, are sent to after controlling within 2MPa in low voltage three-phase tripping device (4) by the pressure of mixed solution again.
3. a kind of fracturing outlet liquid process recycling flow process according to claim 1, it is characterized in that: the fracturing outlet liquid that described well head (1) open flow goes out is when instantaneous delivery is greater than flow processing ability, can also first branch be stored into and return in discharge opeing temporary storage tank (8), then be sent to low voltage three-phase tripping device (4).
4. a kind of fracturing outlet liquid process recycling flow process according to claim 1, is characterized in that: described Selid propping agent is quartz sand or haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845813.0A CN104649471B (en) | 2014-12-31 | 2014-12-31 | A kind of fracturing outlet liquid processes recycling flow process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845813.0A CN104649471B (en) | 2014-12-31 | 2014-12-31 | A kind of fracturing outlet liquid processes recycling flow process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104649471A true CN104649471A (en) | 2015-05-27 |
| CN104649471B CN104649471B (en) | 2016-08-17 |
Family
ID=53241183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410845813.0A Active CN104649471B (en) | 2014-12-31 | 2014-12-31 | A kind of fracturing outlet liquid processes recycling flow process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104649471B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176731A (en) * | 2016-03-09 | 2017-09-19 | 中国石油化工股份有限公司 | Fracturing outlet liquid processing unit and method |
| CN107840481A (en) * | 2017-09-29 | 2018-03-27 | 中国石油天然气股份有限公司 | A kind of recovery processing process for fracturing return liquid |
| CN108975535A (en) * | 2018-07-27 | 2018-12-11 | 中国石油大学(北京) | The recovery system and method that test is split in row pressure are returned for shale gas |
| CN109267986A (en) * | 2018-09-30 | 2019-01-25 | 中国石油天然气股份有限公司 | A kind of anhydrous pressure break liquid device of lower carbon number hydrocarbons and fracturing process |
| CN114622887A (en) * | 2022-02-10 | 2022-06-14 | 中国石油化工集团有限公司 | Single-well zipper-type fracturing gas testing construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100193448A1 (en) * | 2007-08-02 | 2010-08-05 | Mcguire Dennis | Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters |
| CN102992524A (en) * | 2012-04-23 | 2013-03-27 | 北京矿冶研究总院 | Treatment method of fracturing flow-back fluid |
| CN203683451U (en) * | 2014-02-12 | 2014-07-02 | 四川锦矗高乐油气科技有限责任公司 | Fracturing fluid recycling system |
| CN104069678A (en) * | 2014-06-23 | 2014-10-01 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Fracturing liquid recovery box type lifting-inserting sand removal method |
-
2014
- 2014-12-31 CN CN201410845813.0A patent/CN104649471B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100193448A1 (en) * | 2007-08-02 | 2010-08-05 | Mcguire Dennis | Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters |
| CN102992524A (en) * | 2012-04-23 | 2013-03-27 | 北京矿冶研究总院 | Treatment method of fracturing flow-back fluid |
| CN203683451U (en) * | 2014-02-12 | 2014-07-02 | 四川锦矗高乐油气科技有限责任公司 | Fracturing fluid recycling system |
| CN104069678A (en) * | 2014-06-23 | 2014-10-01 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Fracturing liquid recovery box type lifting-inserting sand removal method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176731A (en) * | 2016-03-09 | 2017-09-19 | 中国石油化工股份有限公司 | Fracturing outlet liquid processing unit and method |
| CN107840481A (en) * | 2017-09-29 | 2018-03-27 | 中国石油天然气股份有限公司 | A kind of recovery processing process for fracturing return liquid |
| CN108975535A (en) * | 2018-07-27 | 2018-12-11 | 中国石油大学(北京) | The recovery system and method that test is split in row pressure are returned for shale gas |
| CN109267986A (en) * | 2018-09-30 | 2019-01-25 | 中国石油天然气股份有限公司 | A kind of anhydrous pressure break liquid device of lower carbon number hydrocarbons and fracturing process |
| CN114622887A (en) * | 2022-02-10 | 2022-06-14 | 中国石油化工集团有限公司 | Single-well zipper-type fracturing gas testing construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104649471B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104649471A (en) | Process for processing and recycling fracturing flow-back fluid | |
| CN202530030U (en) | Flow-back fracturing fluid recycling system of natural gas well | |
| RU2689452C2 (en) | Modular installation for processing flow of composition of reverse inflow and methods for processing it | |
| CN203333404U (en) | Recharge geothermal water disposal device | |
| CN202508946U (en) | Shale gas and oil well fracturing waste liquor recycling system | |
| CN204958596U (en) | Flowing back efficient handling of device is returned to fracturing | |
| CN104791610A (en) | Skid-mounted type automatic draining device used for evacuation and liquid separation | |
| CN203346191U (en) | Fracturing backflow liquid treatment recovery device | |
| CN204312994U (en) | A kind of rock gas produces pipeline hydrops recovering device | |
| CN102925203B (en) | Chemical-flooding complex emulsion integrated module processing system | |
| CN203683451U (en) | Fracturing fluid recycling system | |
| CN104692555B (en) | A kind of fracturing outlet liquid recycling reuse method and device | |
| CN201882993U (en) | Oily sewage settling treatment device | |
| CN206616071U (en) | Oily-water seperating equipment | |
| CN202569658U (en) | Compressor lubrication discharging oil water separation device | |
| CN101956545B (en) | Skid-mounted integrated movable water injection device | |
| CN204647862U (en) | A kind of automatic draining device of skid-mounted emptying liquid-separation | |
| CN204848502U (en) | Pipeline formula oil deareator | |
| CN1306226C (en) | Well head system for geothermal tertiary system sandstone recharge | |
| CN203188945U (en) | Drilling fluid four-phase separator debris removal pipe anti-blocking structure | |
| CN205936572U (en) | Row of helping raising output open flow flowing back natural gas recovery unit | |
| CN205154118U (en) | Back pressure integrated device falls in jet pump oil recovery well group | |
| CN201842664U (en) | Booster pump wastewater recovery device | |
| CN204159072U (en) | A kind of excessive ammonia clarifier of the blasting condensation circulatory system | |
| CN104976516B (en) | A kind of skid-mounted device that alcohol system is noted based on big collecting well group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211013 Address after: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. Address before: 710018 room 1207, Changqing building, Changqing Xing Long Yuan District, Xi'an, Shaanxi Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co. Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. |