CN205391926U - Flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing - Google Patents
Flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing Download PDFInfo
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- CN205391926U CN205391926U CN201620194503.1U CN201620194503U CN205391926U CN 205391926 U CN205391926 U CN 205391926U CN 201620194503 U CN201620194503 U CN 201620194503U CN 205391926 U CN205391926 U CN 205391926U
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Abstract
The utility model provides a flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing, include the three -phase separator, basket filter, bag -type filtering apparatus, buffer tank and the booster pump that connect gradually through the pipeline, bag -type filtering apparatus includes one -level bag filter and the second grade bag filter who is connected through the pipeline, this processing apparatus still includes monitoring device, monitoring device include the PLC controller, with display that the PLC controller is connected and installing level sensor in the buffer tank. The utility model discloses simple structure, the installation is dismantled conveniently, and intelligent monitoring device's design can realize the acidizing and return flowing back automated processing, returns incomplete sour after arranging with the acidizing and filters the back in proper order through basket filter, second grade bag filter, eliminates oil and is greater than 5 microns solid particle, and filtration efficiency is high, and it is lower to have saved the cost, retrieves liquid simultaneously and has also played certain acidization to the water injection well, has carried out the reutilization to incomplete acid, and the practicality is strong.
Description
Technical field
This utility model relates to oil extraction waste water processing technology field, returns discharge opeing automatic fitration particularly to a kind of oilfield stimulation acidifying and processes device.
Background technology
Acidifying is one of major measure of oil field water well augmented injection, acidization produces substantial amounts of acidifying and returns discharge opeing, acidifying is returned in discharge opeing containing the strong acid such as hydrochloric acid, Fluohydric acid., simultaneously with the pollutant such as solid particulate matter, accompanying gas, it is directly discharged in soil, waters and air, environment and biology are had certain harm, according to the national environmental protection department strict regulations to operation on the sea, forbidding the discharge of any pollutant, acidifying is returned discharge opeing and can not directly outer be arranged, it is necessary to suitably process.Additionally, it is one of oilfield stimulation important measures that row is returned in acidifying.
For this, the main processing ways that discharge opeing is returned in current existing acidifying is that offshore production platform acidifying is returned the residual acid waste liquid ejected and transported land back mainly through boats and ships, and recycle to waste liquid treatment station by gathering tank car roping, owing to after acidifying, the waste liquid of the row of returning has highly acid and severe corrosive, so existing processing mode not only increases the danger of transport, and considerably increase the expense of operator, in addition, prior art also needs to the emulsion problem solving to return in discharge opeing further, existing waste treatment process need newly-increased device emulsion is easily separated removal by chemical reagent or physics mode, Financial cost is higher, treatment effeciency is low, poor practicability.
Utility model content
Returning the main processing ways of discharge opeing to solve existing acidifying is that offshore production platform acidifying is returned the residual acid waste liquid ejected and transported land back mainly through boats and ships, and recycle to waste liquid treatment station by gathering tank car roping, owing to after acidifying, the waste liquid of the row of returning has highly acid and severe corrosive, so existing processing mode not only increases the danger of transport, and considerably increasing the problem such as expense of operator, this utility model provides a kind of oilfield stimulation acidifying and returns discharge opeing automatic fitration and process device.
The concrete technical scheme of this utility model is as follows:
This utility model provides a kind of oilfield stimulation acidifying and returns discharge opeing automatic fitration process device, including the three phase separator being sequentially connected with by pipeline, basket filter, bag type filter device, surge tank and booster pump, pipeline between described three phase separator and described basket filter is provided with air relief valve, and the pipeline of described booster pump rear end is provided with check-valves；Described bag type filter device includes the one-level bag filter that is connected by pipeline and two grades of bag filters, the entrance point of described one-level bag filter is connected with the port of export of described basket filter, and the port of export of described two grades of bag filters is connected with described surge tank；
This process device also includes supervising device, described supervising device includes display that PLC is connected with described PLC and is arranged on the liquid level sensor in described surge tank, and described liquid level sensor, described booster pump, described air relief valve and described check-valves are all connected with described PLC communication.
Further, the pipeline at the arrival end place of described one-level bag filter and described two grades of bag filters is equipped with inlet valve, the pipeline at the port of export place of described two grades of bag filters is provided with outlet valve, described inlet valve and described outlet valve and is all connected with described PLC.
Further, pipeline between described air relief valve and the described three phase separator port of export is provided with delivery gauge, pipeline between described air relief valve and described basket filter entrance is provided with inlet pressure gauge, described delivery gauge and described inlet pressure gauge and is all connected with described PLC.
Further, the pipeline between described booster pump and described check-valves is provided with re-injection Pressure gauge, and described re-injection Pressure gauge is connected with described PLC.
Further, the top of described one-level bag filter and described two grades of bag filters is equipped with electro connecting pressure gauge, it is additionally provided with audible-visual annunciator outside described one-level bag filter and described two grades of bag filters, described electro connecting pressure gauge electrically connects with described audible-visual annunciator, and described electro connecting pressure gauge is connected with described PLC communication.
Further, it is provided with oleophilic drainage compound filter bag in described one-level bag filter, in described two grades of bag filters, is provided with oil removal glass filter bag.
Preferably, this filtration treatment device includes skid plate, and described three phase separator, described basket filter, described bag type filter device are installed on described skid plate.
Preferably, the quantity of described one-level bag filter is two, and respectively the main bag filter of one-level and the standby bag filter of one-level, the main bag filter of described one-level and the standby bag filter of described one-level are connected in parallel by pipeline；The quantity of described two grades of bag filters is two, and respectively two grades of main bag filters and described two grades of standby bag filters, described two grades of main bag filters and described two grades of standby bag filters are connected in parallel by pipeline.
Preferably, described one-level bag filter and described two grades of bag filters are fast-open type bag filter.
The beneficial effects of the utility model are as follows: the automatic filtering unit simple in construction that this utility model provides, by skid-mounted type modularity plant produced, Assembling, easy installation and removal, and being designed to of intelligent monitoring and controlling device realizes acidifying and returns discharge opeing automatic business processing, acidifying is returned the residual acid after row through basket filter, after two grades of bag filters are sequentially carried out filtration, remove oil and more than 5 microns of solid phase particles, then pass through booster pump and inject water injection well, not only accomplish to recycle, and filter efficiency is high, provide cost savings relatively low, water injection well be also play certain acidization by withdrawal liquid simultaneously, residual acid has been carried out secondary utilization, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation that discharge opeing automatic fitration process device is returned in a kind of oilfield stimulation acidifying described in this utility model embodiment；
Fig. 2 is that the sectional view of one-level bag filter in discharge opeing automatic fitration process device is returned in a kind of oilfield stimulation acidifying described in this utility model embodiment.
Wherein: 1, three phase separator；2, basket filter；3, surge tank；4, booster pump；5, air relief valve；6, check-valves；7, one-level bag filter；8, two grades of bag filters；9, PLC；10, display；11, liquid level sensor；12, inlet valve；13, outlet valve；14, delivery gauge；15, inlet pressure gauge；16, re-injection Pressure gauge；17, electro connecting pressure gauge；18, audible-visual annunciator.
Detailed description of the invention
Below in conjunction with accompanying drawing and following example, this utility model is described in further detail.
Embodiment 1
As shown in Figure 1, this utility model embodiment 1 provides a kind of oilfield stimulation acidifying and returns discharge opeing automatic fitration process device, including the three phase separator 1 being sequentially connected with by pipeline, basket filter 2, bag type filter device, surge tank 3 and booster pump 4, described three phase separator 1 is for initial gross separation oil gas water, described basket filter 2 is used for filtering and returns large granular impurity in discharge opeing, and described bag type filter device is for carrying out multistage filtering to returning discharge opeing；Pipeline between described three phase separator 1 and described basket filter 2 is provided with air relief valve 5, before three phase separator 1 is drained into grade one filter, is first decompressed to 0.7MPa by air relief valve 5, is mainly used in reducing the operating pressure of subsequent filter.The pipeline of described booster pump 4 rear end is provided with check-valves 6；Described bag type filter device includes the one-level bag filter 7 that is connected by pipeline and two grades of bag filters 8, wherein,
One-level bag filter 7 adopts 10 μm of oleophilic drainage compound filter bags, the oil in water inlet is adsorbed to filter bag surface, removes the particulate matter more than 10 μm simultaneously, due to filter bag, to include capacity in big, the each adsorbable 160kg greasy dirt of oil removal filter, calculates by water inlet 1000ppm, and every batch of filter bag can process 200m3Waste water.Two grades of bag filters 8 adopt 5 μm of hydrophilic oleophobic filter bags, remove 5 μm of particulate matters of particle diameter.By water inlet 100ppm measuring and calculating, every batch of filter bag can process 1600-2000m3Waste water.
The entrance point of described one-level bag filter 7 is connected with the port of export of described basket filter 2, and the port of export of described two grades of bag filters 8 is connected with described surge tank 3；Water after filtration, oil removing is kept in surge tank 3, and intensified pump 4 returns DP technology after being forced into 7MPa and uses, and the start and stop of booster pump 4 are controlled by the liquid level controller in surge tank 3.Surge tank 3 is positioned at outside skid mounted equipment, water balance for filtering water outlet and re-injection water regulates, for instance can set that when practical application high liquid level (1.5m) starts, and low liquid level (0.3m) stops, filter bag after replacing and waste oil, particulate matter, transport land back and process.
This process device also includes supervising device, described supervising device includes display 10 that PLC 9 is connected with described PLC 9 and is arranged on the liquid level sensor 11 in described surge tank 3, and described liquid level sensor 11, described booster pump 4, described air relief valve 5 and described check-valves 6 are all connected with the communication of described PLC 9.Detected the inherent filtration situation in whole defecator by supervising device, save manpower, improve filter efficiency simultaneously.
Time specifically used, the residual liquid after acidifying is evacuated to aboveground through electric submersible pump (centrifugal multistage pump multiple centrifugal pump), after three phase separator 1 initial gross separation oil gas water, enters basket filter 2 by air relief valve 5 and is filtered bulk processing, remove bulky grain solid phase, greasy filth；Then cascade filtration is carried out with bag filter again, oil in water inlet is adsorbed to filter bag surface by one-level bag filter 7, remove the particulate matter more than 10 μm simultaneously, then the solids treatment of 5 microns is fallen by two grades of bag filters 8, subsequently into surge tank 3, then return water injection well with 4 waste water of booster pump.
Embodiment 2
As illustrated in fig. 1 and 2, this utility model embodiment 2 provides a kind of oilfield stimulation acidifying and returns discharge opeing automatic fitration process device, and this embodiment 2 further defines the structure of described defecator on the basis of embodiment 1, improves filter effect.
For the ease of maintenance and the filter effect facilitating controlling filter, this utility model further defines and is equipped with inlet valve 12 on the pipeline at the arrival end place of described one-level bag filter 7 and described two grades of bag filters 8, being equipped with outlet valve 13 on the pipeline at the port of export place of described one-level bag filter 7 and described two grades of bag filters 8, described inlet valve 12 and described outlet valve 13 are all connected with described PLC 9.Inlet valve 12 and outlet valve 13 are controlled by PLC 9, it is possible to effectively control the duty of bag filter, be convenient for changing filter bag, improve practicality.
In order to effectively control the pressure in device, the pipeline defined in the technical program between described air relief valve 5 and described three phase separator 1 port of export is provided with delivery gauge 14, pipeline between described air relief valve 5 and described basket filter 2 entrance is provided with inlet pressure gauge 15, and described delivery gauge 14 and described inlet pressure gauge 15 are all connected with described PLC 9.The pressure of the liquid after being separated can be effectively monitored in the design of delivery gauge 14 by three phase separator 1, hypertonia requires over after air relief valve 5 reduces pressure can enter filter, the design of inlet pressure gauge 15 is to detect the force value after air relief valve 5 blood pressure lowering, prevent hypertonia from filter being impacted, extend the service life of filter.
In order to be again recycled in well by the liquid after filtration, defining in the technical program, the pipeline between described booster pump 4 and described check-valves 6 is provided with re-injection Pressure gauge 16, and described re-injection Pressure gauge 16 is connected with described PLC 9.Liquid after filtration can refill in well after reaching unfavourable pressure after supercharging.
As shown in Figure 2, it should be noted that, this utility model provides the bag filter that a kind of filtering accuracy is controlled, the top of described one-level bag filter 7 and described two grades of bag filters 8 is equipped with electro connecting pressure gauge 17, it is additionally provided with audible-visual annunciator 18 outside described one-level bag filter 7 and described two grades of bag filters 8, described electro connecting pressure gauge 17 electrically connects with described audible-visual annunciator 18, and described electro connecting pressure gauge 17 is connected with the communication of described PLC 9.During use, can notify that operator are replaced by audible-visual annunciator 18 in time when electro connecting pressure gauge 17 detects when filter pressure reaches setting value, improve filtering accuracy, additionally do not need operator frequently to check, the labor intensity of operator can be alleviated, it is achieved that the automatic monitoring in filtration.
The filter bag of bag filter is changed pressured difference and is controlled, for instance time specifically used, it is possible to set when in one-level bag filter 7, pressure reduction reaches 0.3MPa, manually opens one-level bag filter 7, changes filter bag；If setting two grades of bag filter 8 pressure reduction when reaching 0.15MPa, artificial opening filter, change filter bag.
When the oil recovery initial stage is high containing float, oil content is low, double-filtration can use entirely as removing float, can extend and change a bag cycle.
Special instruction: the filter bag replacement cycle is relevant with suspension content and oil content, as water inlet float or oil content 4000mg/l, it is possible to cause changing filter bag for several times every day.
In order to improve filter effect, the technical program defines, be provided with oleophilic drainage compound filter bag in described one-level bag filter 7, in described two grades of bag filters 8, be provided with oil removal glass filter bag.
Preferably, this filtration treatment device includes skid plate, and described three phase separator 1, described basket filter 2, described bag type filter device are installed on described skid plate.Three phase separator 1, basket filter 2, bag type filter device are skid mounted equipment, convenient for assembly and production, do not increase under floor space premise, have ensured the reliability used, and safety is high, practical,
It should be noted that the quantity of described one-level bag filter 7 is two, respectively the main bag filter of one-level and the standby bag filter of one-level, the main bag filter of described one-level and the standby bag filter of described one-level are connected in parallel by pipeline；The quantity of described two grades of bag filters 8 is two, and respectively two grades of main bag filters and described two grades of standby bag filters, described two grades of main bag filters and described two grades of standby bag filters are connected in parallel by pipeline.One-level bag filter 7 and two grades of bag filters 8 all need reserve filter, when main filter damage, it is possible to start reserve filter, do not delay the filtration returning discharge opeing, be effectively ensured filter efficiency, reduce Financial cost, and convenient for maintaining is practical.
Preferably, described one-level bag filter 7 and described two grades of bag filters 8 are fast-open type bag filter.Just can quickly open and the filter bag in bag filter is replaced within 30 seconds, it is possible to ensure not shut down normal operation continuously, improve filter efficiency.
In sum, the automatic filtering unit that this utility model provides has a characteristic that
Motility is strong: two-stage filter specification is consistent, and filter bag is generally applicable, can use filter function flexibly according to water inlet.Originally run that quantity of sand and mud is big and when oil content is low, oil removal filter element can be simultaneously charged into, increase contamination capacity；In like manner later stage suspension content is low, when oil content increases, can all configure oil removing filter element；Highly reliable: bag filter is the using and the reserved, do not increase under floor space premise, ensured the reliability used；Recovery oil mass is high: after oil suction filter bag is saturated, can transport the land recovery of oil process that carries out back, improves and reclaims oil mass；Safety is good: force (forcing) pump adopts high-pressure plunger pump, and explosive-proof grade is high；Floor space is little.
The oilfield stimulation acidifying that this utility model embodiment provides is returned discharge opeing automatic fitration process device and is returned row's filter plant in the acidifying of CNOOC Peng Lai 193 production platform, and successfully helps CNOOC to return acquirement good result on row in acidifying.
This utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but in its shape or structure, do any change; every have same or like with the application like technical scheme, all fall within protection domain of the present utility model.
Claims (9)
1. an oilfield stimulation acidifying is returned discharge opeing automatic fitration and is processed device, it is characterized in that, including the three phase separator (1) being sequentially connected with by pipeline, basket filter (2), bag type filter device, surge tank (3) and booster pump (4), pipeline between described three phase separator (1) and described basket filter (2) is provided with air relief valve (5), and the pipeline of described booster pump (4) rear end is provided with check-valves (6)；Described bag type filter device includes the one-level bag filter (7) that is connected by pipeline and two grades of bag filters (8), the entrance point of described one-level bag filter (7) is connected with the port of export of described basket filter (2), and the port of export of described two grades of bag filters (8) is connected with described surge tank (3)；
This process device also includes supervising device, described supervising device includes the display (10) that PLC (9) is connected and the liquid level sensor (11) being arranged in described surge tank (3) with described PLC (9), and described liquid level sensor (11), described booster pump (4), described air relief valve (5) and described check-valves (6) are all connected with described PLC (9) communication.
2. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, the pipeline at the arrival end place of described one-level bag filter (7) and described two grades of bag filters (8) is equipped with inlet valve (12), the pipeline at the port of export place of described two grades of bag filters (8) is provided with outlet valve (13), described inlet valve (12) and described outlet valve (13) and is all connected with described PLC (9).
3. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, pipeline between described air relief valve (5) and described three phase separator (1) port of export is provided with delivery gauge (14), pipeline between described air relief valve (5) and described basket filter (2) entrance is provided with inlet pressure gauge (15), described delivery gauge (14) and described inlet pressure gauge (15) and is all connected with described PLC (9).
4. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, pipeline between described booster pump (4) and described check-valves (6) is provided with re-injection Pressure gauge (16), and described re-injection Pressure gauge (16) is connected with described PLC (9).
5. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, the top of described one-level bag filter (7) and described two grades of bag filters (8) is equipped with electro connecting pressure gauge (17), described one-level bag filter (7) and described two grades of bag filters (8) outside are additionally provided with audible-visual annunciator (18), described electro connecting pressure gauge (17) electrically connects with described audible-visual annunciator (18), and described electro connecting pressure gauge (17) is connected with described PLC (9) communication.
6. oilfield stimulation acidifying as claimed in claim 5 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, it is provided with oleophilic drainage compound filter bag in described one-level bag filter (7), in described two grades of bag filters (8), is provided with oil removal glass filter bag.
7. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, this filtration treatment device includes skid plate, and described three phase separator (1), described basket filter (2), described bag type filter device are installed on described skid plate.
8. oilfield stimulation acidifying as claimed in claim 1 is returned discharge opeing automatic fitration and is processed device, it is characterized in that, the quantity of described one-level bag filter (7) is two, respectively the main bag filter of one-level and the standby bag filter of one-level, the main bag filter of described one-level and the standby bag filter of described one-level are connected in parallel by pipeline；The quantity of described two grades of bag filters (8) is two, and respectively two grades of main bag filters and described two grades of standby bag filters, described two grades of main bag filters and described two grades of standby bag filters are connected in parallel by pipeline.
9. oilfield stimulation acidifying as claimed in claim 8 is returned discharge opeing automatic fitration and is processed device, it is characterised in that described one-level bag filter (7) and described two grades of bag filters (8) are fast-open type bag filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194503.1U CN205391926U (en) | 2016-03-14 | 2016-03-14 | Flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620194503.1U CN205391926U (en) | 2016-03-14 | 2016-03-14 | Flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing |
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| CN205391926U true CN205391926U (en) | 2016-07-27 |
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| CN201620194503.1U Expired - Fee Related CN205391926U (en) | 2016-03-14 | 2016-03-14 | Flowing back automatic filtration processing apparatus is returned in oil field raising output acidizing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502617A (en) * | 2020-03-25 | 2020-08-07 | 中国海洋石油集团有限公司 | Long-term online intelligent blockage removing system for water injection well |
-
2016
- 2016-03-14 CN CN201620194503.1U patent/CN205391926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502617A (en) * | 2020-03-25 | 2020-08-07 | 中国海洋石油集团有限公司 | Long-term online intelligent blockage removing system for water injection well |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190826 Address after: Room 905, East 4-5 Building, 199 Haiyuan Road, Tanggu Marine Science Park, Tianjin Binhai High-tech Zone, 300,000 Patentee after: Tianjin Longhai Xiangrui Petroleum Technology Service Co., Ltd. Address before: Room 1618, Block B, Happiness Building, 3 Dongsanhuan North Road, Chaoyang District, Beijing, 100027 Patentee before: BEIJING SANHONG JOINT PETROLEUM TECHNOLOGY SERVICE CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20200314 |