CN202988872U - Device for processing fracturing flowback liquid of oil and gas field - Google Patents
Device for processing fracturing flowback liquid of oil and gas field Download PDFInfo
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- CN202988872U CN202988872U CN 201320009645 CN201320009645U CN202988872U CN 202988872 U CN202988872 U CN 202988872U CN 201320009645 CN201320009645 CN 201320009645 CN 201320009645 U CN201320009645 U CN 201320009645U CN 202988872 U CN202988872 U CN 202988872U
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Abstract
The utility model discloses a device for processing fracturing flowback liquid of an oil and gas field. The device comprises a separation water tank, wherein a buffering room which is provided with an opening at the top is separated from one side of the water tank, and a separation room is separated from the other side of the water tank; an opening is arranged at the top of the separation room, and an opening communicated with the interior of the water tank is arranged below the separation room; the bottom cross section of the water tank is of a conical structure; the bottom of the water tank is in spiral connection with a conduit; the other end of the conduit is connected with a sludge tank; the buffering room is provided with a liquid feeding pipe; an oil outlet is arranged nearby the top of the separation room; the oil outlet is communicated with an oil storage tank through an oil discharging pipe; and a water discharging pipe is arranged nearby the middle of the separation room. The device disclosed by the utility model is simple to design and easy to amplify; the device operates at normal temperature and under normal pressure, and is simple and efficient in process, high in mechanical automation degree and low in cost for treatment of per fracturing waste liquid; and the wastewater treated by the device is clear, and chemical oxygen demand (COD) and other indexes are accordant with industrial water standard, so that the pressure of the following treatment is reduced.
Description
Technical field
The utility model relates to a kind of returning discharge opeing and making it reach the device of emission standard for the treatment of the generation of tertiary oil production in oil field fracturing process.
Background technology
Frac job is one of major measure of well production increment, for each oil field institute generally adopts.Wherein in fracturing process, working fluid used is called fracturing liquid.In recent years, the most of oil field of China had entered the high moisture oil recovery later stage, and each oil field adopts the tertiary oil recovery new technology to increase production, protect product one after another, and wherein tertiary oil recovery technology has entered the industrialized application stage at Daqing oil field.At present along with the carrying out of oil-field development, it is really to exist to the injury on stratum that the pressure break workload increases pressure break year by year.Fracturing liquid enters the stratum, causes the clay water-swelling, disperses migration to cause permeability plugging, also causes the crude oil heavy ingredient to be separated out, and stops up formation pore, and the stratum filtration ability descends, and fracturing fluid recovery (backflow) thoroughly can the severe contamination oil reservoir yet.And along with the increase of pressure break number of times, of the fracturing fluid filter loss increases, and makes seam and shortens, and fracture flow capacity reduces, newly-increased production declining.Fracture in oil and water wells, acidifying are the effective technology measures of oilfield stimulation and augmented injection, annual Daqing oil field carries out 2400 mouthfuls of fracture in oil and water wells, acidizing treatment more than well, need to use a large amount of working fluid, acid and additive, after general every mouthful of well pressure break, discharge opeing produces thickness waste liquid 300m at least
3Left and right, these chemical substance major parts are acid (alkali) property, and part is poisonous, and has the most at last the part waste liquid to return to be discharged to ground, as not taking effective treatment measures, will to cause serious pollution to soil, vegetation, water body.We can find out that each elephant of the whole nation all uses the oil field compression fracture technology on a large scale thus, however of the fracturing fluid be widely used not only on the stratum shine into to a certain degree infringement its return discharge opeing and be discharged on ground and also can shine into certain impact to plant, farmland, lake on every side.Bring thus a series of environmental problem and social concern thereof to have to cause our attention.
In recent years, along with the increasingly stringent of every country to environmental requirement, fracturing liquid was innoxious, the inexorable trend that will become the development of fracturing liquid treatment technology is processed in minimizing.Extensively carried out the research for the fracturing outlet liquid harmless treatment both at home and abroad, most methods such as physics, biology, photochemical catalysis, chemistry and physical adsorption, ultrasonic wave, electrochemistry that adopt, having many is for the research of organic simulated sewage in the degraded fracturing outlet liquid, the deficiencies such as that the method in practical application remains is high in expense, many, complex process consuming time, equipment is immature, processing efficiency is low.
The utility model content
The utility model purpose is to provide the device that a kind of processing oil-gas field fracturing that makes sewage reach reinjection standard or the requirement of GB8978-1996 " integrated wastewater discharge standard " II level emission standard returns discharge opeing, and it can solve existing problem in background technology effectively.
in order to solve existing problem in background technology, it it comprise separation water tank, one side of this water tank is divided and is separated with the top and is provided with between opening buffering, the opposite side of described water tank divides and is separated with compartment, the top of this compartment is provided with opening, its underpart is provided with the opening that communicates with water tank inside, the bottom section of described water tank is pyramidal structure, the bottom of this water tank is connected with the conduit spiral, an other end of this conduit is connected with sludge sump, be provided with liquid-inlet pipe between described buffering, be provided with oil outlet near the top of described compartment, this oil outlet is connected with storage tank by oil exit pipe, the near middle of described compartment is provided with rising pipe, an other end of this rising pipe is communicated with the water-in of buffer tank, the water outlet of this buffer tank is connected with the water-in of single filter tank, the water outlet of described single filter tank is connected with the water-in of cascade filtration tank, the water outlet of this cascade filtration tank is connected with the water-in of collecting water tank.
Be provided with the chain scraper discharge equipment near the top of described oil outlet, this scraper plate discharge equipment comprises two horizontally disposed synchronous sprocket wheels, is provided with the chain band between this sprocket wheel, and the outside of described chain band is provided with scraper plate.
Owing to having adopted above technical scheme, the utlity model has following beneficial effect:
1, device simplicity of design is easy to amplify, carries out at normal temperatures and pressures, and the technical process simple and efficient, the mechanical automation degree is high, and unit fracturing waste liquor processing cost is low;
2, device technique is ripe, take on-the-spot actual parameter as foundation, gets the optimum process condition of auto levelizer operation through indoor repetition test, has guaranteed that in the device operational process, the treatment effect to fracturing waste liquor reaches best;
3, the waste water after processing through device, the indexs such as limpid, COD all meet the service water standard, have reduced the pressure of subsequent disposal.
Description of drawings
In order to be illustrated more clearly in the utility model, below in conjunction with accompanying drawing, embodiment is done simple introduction.
Fig. 1 is the structural representation of separator in the utility model.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, the accompanying drawing below in conjunction with in the utility model embodiment is clearly and completely described the technical scheme in the utility model embodiment.
referring to Fig. 1, this embodiment is to be achieved by the following technical solutions, a kind ofly realize that oil-gas field fracturing returns the separator that discharge opeing separates, it it comprise separation water tank 1, one side of this water tank 1 is divided and is separated with the top and is provided with between opening buffering 2, the opposite side of described water tank 1 divides and is separated with compartment 3, the top of this compartment 3 is provided with opening, its underpart is provided with the opening that communicates with water tank 1 inside, the bottom section of described water tank 1 is pyramidal structure, the bottom of this water tank 1 is connected with the conduit spiral, an other end of this conduit is connected with sludge sump 4, between described buffering, 2 are provided with liquid-inlet pipe, be provided with oil outlet 5 near the top of described compartment 3, this oil outlet 5 is connected with storage tank 6 by oil exit pipe, be provided with rising pipe near the bottom of described compartment 3, an other end of this rising pipe is communicated with buffer tank 7, the water outlet of this buffer tank 7 is connected with the water-in of single filter tank 9, the water outlet of described single filter tank 9 is connected with the water-in of cascade filtration tank 10, the water outlet of this cascade filtration tank 10 is connected with the water-in of collecting water tank 11.
In order further to improve the oil extraction speed of oil outlet, be provided with chain scraper discharge equipment 8 near the top of described oil outlet 5, this scraper plate discharge equipment 8 comprises two horizontally disposed synchronous sprocket wheels 81, be provided with chain band 82 between this sprocket wheel 81, the outside of described chain band 82 is provided with scraper plate, when sprocket wheel 81 rotates, drive chain band 82 and rotate, the scraper plate on chain band 82 just can be pushed into oil near oil outlet 5.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. process the device that oil-gas field fracturing returns discharge opeing for one kind, it is characterized in that it comprises separation water tank, one side of this water tank is divided and is separated with the top and is provided with between opening buffering, the opposite side of described water tank divides and is separated with compartment, the top of this compartment is provided with opening, its underpart is provided with the opening that communicates with water tank inside, the bottom section of described water tank is pyramidal structure, the bottom of this water tank is connected with the conduit spiral, an other end of this conduit is connected with sludge sump, be provided with liquid-inlet pipe between described buffering, be provided with oil outlet near the top of described compartment, this oil outlet is connected with storage tank by oil exit pipe, the near middle of described compartment is provided with rising pipe, an other end of this rising pipe is communicated with the water-in of buffer tank, the water outlet of this buffer tank is connected with the water-in of single filter tank, the water outlet of described single filter tank is connected with the water-in of cascade filtration tank, the water outlet of this cascade filtration tank is connected with the water-in of collecting water tank.
2. a kind ofly according to claim 1 process the device that oil-gas field fracturing returns discharge opeing, it is characterized in that being provided with the chain scraper discharge equipment near the top of described oil outlet, this scraper plate discharge equipment comprises two horizontally disposed synchronous sprocket wheels, be provided with the chain band between this sprocket wheel, the outside of described chain band is provided with scraper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009645 CN202988872U (en) | 2013-01-09 | 2013-01-09 | Device for processing fracturing flowback liquid of oil and gas field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009645 CN202988872U (en) | 2013-01-09 | 2013-01-09 | Device for processing fracturing flowback liquid of oil and gas field |
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| Publication Number | Publication Date |
|---|---|
| CN202988872U true CN202988872U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320009645 Expired - Lifetime CN202988872U (en) | 2013-01-09 | 2013-01-09 | Device for processing fracturing flowback liquid of oil and gas field |
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| CN (1) | CN202988872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045179A (en) * | 2013-03-12 | 2014-09-17 | 东北石油大学 | Oil and gas field fracturing fluid recovery treatment method and apparatus thereof |
| CN104355468A (en) * | 2014-10-29 | 2015-02-18 | 李磊 | Fracturing flow-back liquid modularization integrated treatment system |
-
2013
- 2013-01-09 CN CN 201320009645 patent/CN202988872U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045179A (en) * | 2013-03-12 | 2014-09-17 | 东北石油大学 | Oil and gas field fracturing fluid recovery treatment method and apparatus thereof |
| CN104355468A (en) * | 2014-10-29 | 2015-02-18 | 李磊 | Fracturing flow-back liquid modularization integrated treatment system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Northeast Petroleum University Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Northeast Petroleum University Document name: Notification to Pay the Fees |
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| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |