CN104353280A - Oilfield reinjection water filtering system - Google Patents
Oilfield reinjection water filtering system Download PDFInfo
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- CN104353280A CN104353280A CN201410565120.6A CN201410565120A CN104353280A CN 104353280 A CN104353280 A CN 104353280A CN 201410565120 A CN201410565120 A CN 201410565120A CN 104353280 A CN104353280 A CN 104353280A
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- filter
- reinjection water
- treatment
- oilfield
- filtering system
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an oilfield reinjection water filtering system, and relates to the field of oilfield sewage treatment, in particular to the field of oilfield reinjection water treatment. In order to solve the problems that the conventional treatment process cannot ensure that a suspended substance index and a median particle size index of reinjection water reach standards continuously, and cannot ensure pressure reduction through sewage reinjection, the invention provides the oilfield reinjection water filtering system which can ensure that the content of suspended substances after treatment is far lower than a state standard, does not use chemicals and can reduce the running cost. The oilfield reinjection water filtering system comprises a water purifying tank, filtering lifting pump and a filter which are sequentially connected, wherein the filter comprises a silicon carbide filter and a titanium metal film filter which are sequentially connected serially. The oilfield reinjection water filtering system is large in liquid treatment volume; the content of the suspended substances after treatment is far lower than the state standard; in a continuous using process, only water washing and gas washing are adopted, and the chemicals are not used, so that the running cost is reduced and secondary pollution caused by the chemicals is avoided.
Description
Technical field
The invention belongs to field of oilfield sewage treatment, particularly relate to the process field to oil field reinjection water.
Background technology
Oilfield sewage mainly comprises the oil-polluted water that other type in water (having another name called oil field extracted water), drilling waste water and station deviate from by crude oil.The process of oilfield sewage can have various ways according to the factor such as field produces, environment, when oil field needs water filling, oilfield sewage is reinjection into reservoir after treatment, now strictly will control the suspension in water, wet goods many index, prevents its formation from producing injury.But the more existing oil clot through waterflooding extraction for many years, re-injection water monitoring data display recovered water complicated component, original sewage treatment process cannot ensure that the suspension of reinjected water and median particle size index continue up to standard, makes re-injection pressure constantly raise.
Summary of the invention
The object of this invention is to provide a kind of oil field reinjection water filtration system, be intended to solve existing treatment process and cannot ensure that the suspension of reinjected water and median particle size index continue problem that is up to standard and produced-water reinjection step-down.
The present invention is achieved by the following technical programs: a kind of oil field reinjection water filtration system, comprises the water purification pot be connected successively, and filter elevator pump and filter, described filter is the diamond dust filter and titanium metal film filter of connecting successively.
Described water purification pot is fiber ball filtering tank.
Described filter adopts PLC Automatic Control.
Described diamond dust filter, as the pretreatment unit of membrane filtration, adopts dark bed and liquid collecting filter core double filtration mechanism., its composite filtering material forms the worry bed of gradient distribution in filter interior.
Described titanium metal film filter adopts metal film filter core and liquid collecting filter core double filtration mechanism.
The present invention has following beneficial effect:
After process, suspension content is far below national standard, and process liquid measure is large, only adopts washing+air purge in continuous use procedure, without the need to using chemical agent, reducing operating cost, avoiding the secondary pollution that chemical agent causes simultaneously.
Accompanying drawing explanation
Below in conjunction with specific embodiment, the present invention will be further described.
Fig. 1 is oil field reinjection water filtration system schematic flow sheet provided by the invention.
In figure: 1. water purification pot, 2. filter elevator pump, 3. diamond dust filter, 4. titanium metal film filter.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is described further.
Embodiment: as shown in the figure, disposing polluted water in oil water as shown by arrows, enter in water purification pot 1(the present embodiment is fiber ball filtering tank), after process, water is delivered to diamond dust filter 3 and titanium filter 4 successively through filtering elevator pump 2, carry out, step by step after filtration treatment, being delivered to water-injection station by output pump and carrying out re-injection operation.
In filtering step by step, the filtration mechanism of diamond dust filter 3 is dark bed and liquid collecting filter core double action, as the pretreatment unit of membrane filtration.Its composite filtering material forms the worry bed of gradient distribution in filter interior, and fiber ball filter water outlet enters in filter by distributor, after flowing through the stronger porous filtering layer of adsorptivity, is retained by liquid collecting filter core, step by step except the oil content in anhydrating and mechanical admixture.The filtration mechanism metal film filter core of titanium metal film filter 4 and liquid collecting filter core double action, intake and enter in filter through distributor, flows through after metal film filter core carries out micro porous filtration and retained by liquid collecting filter core, remove small granular suspended matters further.
Oil field reinjection water filtration system described in the embodiment of the present invention, by progressively reducing filter sizes, after making process, suspension content is far below national standard, process liquid measure large simultaneously, washing+air purge is only adopted in continuous use procedure, without the need to using chemical agent, reducing operating cost, avoiding the secondary pollution that chemical agent causes simultaneously.
Above content is the further description done the present invention in conjunction with concrete embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. an oil field reinjection water filtration system, is characterized in that: comprise the water purification pot be connected successively, and filter elevator pump and filter, described filter is the diamond dust filter and titanium metal film filter of connecting successively.
2. oil field reinjection water filtration system as claimed in claim 1, is characterized in that: described filter adopts PLC Automatic Control.
3. oil field reinjection water filtration system as claimed in claim 1, is characterized in that: described water purification pot is fiber ball filtering tank.
4. oil field reinjection water filtration system as claimed in claim 1, is characterized in that: in described diamond dust filter, composite filtering material forms the worry bed of gradient distribution in filter interior.
5. oil field reinjection water filtration system as claimed in claim 1, is characterized in that: described titanium metal film filter adopts metal film filter core and the double filtration of liquid collecting filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565120.6A CN104353280A (en) | 2014-10-22 | 2014-10-22 | Oilfield reinjection water filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565120.6A CN104353280A (en) | 2014-10-22 | 2014-10-22 | Oilfield reinjection water filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353280A true CN104353280A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410565120.6A Pending CN104353280A (en) | 2014-10-22 | 2014-10-22 | Oilfield reinjection water filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104353280A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007034A (en) * | 2016-07-08 | 2016-10-12 | 吴印强 | Fully-automatic intelligent combined environmentally friendly water treatment prizing device |
| CN106437646A (en) * | 2016-12-03 | 2017-02-22 | 沈阳泰博达石油测控仪器有限公司 | Method and device for on spot immediate back injection of contaminated liquid leaked from the process of testing and adjusting oil field water injection well |
| CN106542588A (en) * | 2015-09-18 | 2017-03-29 | 沈阳五衡过滤设备有限公司 | Oil field reinjection water superfinishing filtration system |
-
2014
- 2014-10-22 CN CN201410565120.6A patent/CN104353280A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542588A (en) * | 2015-09-18 | 2017-03-29 | 沈阳五衡过滤设备有限公司 | Oil field reinjection water superfinishing filtration system |
| CN106007034A (en) * | 2016-07-08 | 2016-10-12 | 吴印强 | Fully-automatic intelligent combined environmentally friendly water treatment prizing device |
| CN106437646A (en) * | 2016-12-03 | 2017-02-22 | 沈阳泰博达石油测控仪器有限公司 | Method and device for on spot immediate back injection of contaminated liquid leaked from the process of testing and adjusting oil field water injection well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150218 |