CN204532297U - A kind of oil-field water injection device - Google Patents

A kind of oil-field water injection device Download PDF

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Publication number
CN204532297U
CN204532297U CN201520035360.5U CN201520035360U CN204532297U CN 204532297 U CN204532297 U CN 204532297U CN 201520035360 U CN201520035360 U CN 201520035360U CN 204532297 U CN204532297 U CN 204532297U
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China
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pump
water
water injection
pressure
dosing
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CN201520035360.5U
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Chinese (zh)
Inventor
陆小兵
陆红军
黄伟
姚斌
巨亚峰
王守虎
张随望
王勇
宋昭杰
隋蕾
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Abstract

The utility model provides a kind of oil-field water injection device, and this device comprises: grug feeding jar, dosing pump and water injecting pump; Described grug feeding jar comprises dosing entrance and exit, and the outlet of described grug feeding jar is communicated with the entrance of described dosing pump; Described dosing pump is diaphragm metering pump; The entrance of described water injecting pump is communicated with the outlet pipe of water-injection station, and described water filling delivery side of pump is communicated with the water injection pipe of water injection well after exporting header with first of described dosing pump; Described dosing pump also comprises the second outlet, and described second outlet is communicated with by reflux pipeline with described grug feeding jar entrance.The oil-field water injection device that the utility model provides, water injection pressure can be improved, reach the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just can reduce water injection pressure after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.

Description

A kind of oil-field water injection device
Technical field
The utility model relates to a kind of oil-field flooding technology, particularly relates to a kind of oil-field water injection device.
Background technology
In oilfield development process, along with the growth of recovery time, the energy of oil reservoir own constantly will be consumed, formation pressure will constantly decline, and makes underground crude oil degassed in a large number, and viscosity increases, oil well output greatly reduces, and even stop-spraying can stop production, causes underground to remain a large amount of dead oil and can not adopt out.In order to the underground of causing after making up crude oil extraction is in debt, keep or improve formation pressure, realizing oil field stable high yield, and obtaining higher recovery ratio, water filling must be carried out to oil field.
In water flooding process, because foreign liquid and reservoir rock mineral and reservoir fluid etc. are incompatible, the existence of suspended material in water, microorganism and metabolite, and the precipitation such as paraffin, asphalt colloid in crude oil, often cause formation blockage, water injection well water absorbing capacity is declined, affects crude oil production.In order to water is injected stratum, existing method implements physics or chemical intensified injection measure to water injection well, dredging formation blockage.But the period of validity of this kind of unblocking and injection increasing measure is short, validity is low.Therefore can only improve constantly water injection well injection pressure, ensure well injecting enough water.
At present, oil field at home adopts the pressure-raising such as plunger displacement pump and centrifugal tundish equipment to improve water injection well injection pressure, the pressure-raising equipment such as Oilfields many employings positive displacement pump, vertical turbine pump and submersible electric pump.But no matter adopt which kind of pressure-raising equipment, long-term high pressure water injection may cause waterflood-transmission line to break, water under high pressure is gone out and can be damaged the staff of surrounding and equipment, there is certain security risk, long-term high pressure water injection simultaneously also can cause reservoir particle migration, along with the continuous rising of water injection pressure, finally may cause formation breakdown, and then cause oil well water breakthrough.
Utility model content
The utility model provides a kind of oil-field water injection device, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.
The oil-field water injection device that the utility model embodiment provides comprises: grug feeding jar, dosing pump and water injecting pump; Described grug feeding jar comprises dosing entrance and exit, and the outlet of described grug feeding jar is communicated with the entrance of described dosing pump; Described dosing pump is diaphragm metering pump; The entrance of described water injecting pump is communicated with the outlet pipe of water-injection station, and described water filling delivery side of pump is communicated with the water injection pipe of water injection well after exporting header with first of described dosing pump; Described dosing pump also comprises the second outlet, and described second outlet is communicated with by reflux pipeline with described grug feeding jar entrance.
The oil-field water injection device that the utility model provides, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.
In an embodiment of the present utility model, be provided with ball-and-seat and high-pressure balancing stop valve between the first outlet of above-mentioned dosing pump and header, above-mentioned reflux pipeline is provided with reducing valve.
In an embodiment of the present utility model, between the pump housing of above-mentioned water injecting pump and the motor of described water injecting pump, be provided with supercharging seal protector.
In an embodiment of the present utility model, between the outlet of above-mentioned grug feeding jar and above-mentioned dosing pump entrance, be also provided with y-type filter.
In an embodiment of the present utility model, be also provided with level sensor in above-mentioned grug feeding jar, the first outlet of above-mentioned diaphragm metering pump is provided with pressure sensor and flow transmitter, and above-mentioned water filling delivery side of pump is provided with pressure sensor and flow transmitter.
In an embodiment of the present utility model, also comprise frequency-conversion control cabinet, described frequency-conversion control cabinet is electrically connected with described water injecting pump and described dosing pump.
In an embodiment of the present utility model, also comprise skid base, described grug feeding jar, described dosing pump, described water injecting pump and described frequency-conversion control cabinet are all installed on described skid base.
In an embodiment of the present utility model, also comprise remote control equipment, described remote control equipment is electrically connected with described frequency-conversion control cabinet.
In an embodiment of the present utility model, in above-mentioned grug feeding jar, be also provided with stirred tank.
Based on technique scheme, the utility model embodiment is when carrying out oil-field flooding, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The oil-field water injection device schematic diagram that Fig. 1 provides for the utility model one embodiment;
The oil-field water injection device schematic diagram that Fig. 2 provides for another embodiment of the utility model;
Fig. 3 is the utility model oil-field water injection device schematic diagram of providing of an embodiment again;
The overall top view of oil-field water injection device that Fig. 4 provides for the utility model one embodiment.
Description of reference numerals:
10: grug feeding jar;
11: dosing entrance;
12: the outlet of grug feeding jar;
13: stirred tank;
20: water injecting pump;
21: the entrance of water injecting pump;
22: water filling delivery side of pump;
23: water injecting pump motor
30: dosing pump, diaphragm metering pump;
31: dosing pump entrance;
32: the first outlet of dosing pump;
33: the second outlet of dosing pump;
34: metering diaphragm pump motor;
41: header place;
42: the outlet pipe of water-injection station;
43: the water injection pipe of water injection well;
44:Y type filter;
45: supercharging seal protector;
46: reflux pipeline;
A: level sensor;
B: pressure sensor;
C: flow transmitter;
50: frequency-conversion control cabinet;
60: skid base.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The oil-field water injection device schematic diagram that Fig. 1 provides for the utility model one embodiment.As shown in Figure 1, the oil-field water injection device that the present embodiment provides comprises: grug feeding jar 10, dosing pump 30 and water injecting pump 20, grug feeding jar 10 comprises dosing entrance 11 and grug feeding jar outlet 12, the outlet 12 of grug feeding jar is communicated with the entrance 31 of dosing pump, the entrance 21 of water injecting pump is communicated with the outlet pipe 42 of water-injection station, and water filling delivery side of pump 22 and first of dosing pump export 32 and be communicated with the water injection pipe 43 of water injection well after header place 41 header.
Parts identical in Fig. 2 with Fig. 1 adopt identical label.On the basis of Fig. 1, as shown in Figure 2, on basis embodiment illustrated in fig. 1, dosing pump also comprises the second outlet 33, and dosing pump second is exported 33 and is communicated with by reflux pipeline 46 with grug feeding jar entrance 11.
Concrete, grug feeding jar 10 is also provided with stirred tank 13, so that when allocating medicament, accelerates solid reagent dissolving.
It should be noted that, in the present embodiment, preferably, dosing pump 30 can select diaphragm metering pump.Dosing pump 30 dissolves the pressure of the liquid mixed for improving, so that the water under high pressure that liquid can export with water injecting pump carries out header.Because added liquid is mainly used in bottom dredging, play the object of unblocking and injection increasing, therefore liquid has certain corrosivity, therefore conventional pressure-raising equipment can not be used for promoting liquid pressure.Hydraulic Diaphragm Metering Pump drives barrier film equably owing to have employed hydraulic oil, overcomes the shortcoming of the stressed undue concentration of pump diaphragm under mechanical direct drive mode, improves membrane life and maximum working pressure.The flexible partition that diaphragm metering pump utilizes particular design to process replaces piston, realizes moving back and forth, complete suction-discharge process under driving mechanism effect.Due to the buffer action of barrier film, structurally really achieve measured fluid and drive the isolation between lubricating structure.High-tech structure design and new material select the application life substantially increasing barrier film, add the corrosion resistance characteristic of composite material excellence, diaphragm metering pump becomes the main force's pump-type in fluid metering application.
Separately it should be noted that, each equipment of the oil-field water injection device that the present embodiment provides is communicated with by pipeline, on the one hand, major part pipeline is used for conveying high-pressure liquid, for the sake of security, various adpting flange must be also provided with on each connecting pipeline, and various valve body, such as ball-and-seat, high-pressure stop valve, reducing valve, exhaust-valve etc., piping material also should select the tubing with high voltage performance, and determined by the demand of actual industrial and mineral for the connection form between pipeline and the kind of valve body that uses, the present embodiment does not do any restriction to this.On the other hand, for carrying the pipeline of liquid also should have Corrosion Protection.Such as can select 316L structural section, it has high pressure resistant 30MPa and etch-proof performance.
As a kind of optional embodiment of the present embodiment, water injecting pump 20 can select the pressure-raising equipment such as plunger displacement pump, centrifugal tundish, Magnetic drive horizontal flood pump, electric submersible pump, and the present embodiment schematically explains explanation for centrifugal tundish.
In actual applications, the water of the outlet pipe of water-injection station enters the pump housing through the entrance of centrifugal tundish, is rotated by pump shaft impeller by motor, water is done work, make water pressure to be incremented to specification requirement step by step, and be transported to the port of export, reach the object of supercharging.Chemicals dosing plant is stirred unblocking and injection increasing medicament by stirred tank, metering diaphragm pump intake is delivered to by the outlet of the grug feeding jar of lower end, after diaphragm metering pump carries out being pressurized to centrifugal tundish outlet unanimously unblocking and injection increasing medicament, the pipeline connected through metering diaphragm pump discharge enters and export header place with centrifugal tundish and carry out header, finally by water and medicament jointly by water injection well water main injection water injection well.After the medicament of annotating enters reservoir, after reacting with reservoir impurity, reservoir can be dredged.Generally, medicament and reservoir impurity react the time approximately needing several days, can improve water injection well water absorbing capacity after formation opener, accordingly, just no longer need to improve water injection pressure to realize the object of water injection well stimulation.
The oil-field water injection device that the present embodiment provides, when carrying out oil-field flooding, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.
Obviously, when no longer needing high pressure water injection, also just without the need to re-using water injecting pump, that can also save water injecting pump uses electric consumption.
In actual applications, the medicament in dosing pump also needs the flow according to setting to enter through the pipeline that the first outlet connects to export header place with centrifugal tundish and carry out header.Along with the growth of online filling medicament time, the consumption of filling medicament can be set according to actual condition, when medicament demand is less, by carrying out flow-control to the first outlet, then unnecessary medicament can be recycled in grug feeding jar by reflux pipeline again, reduces the operating frequency of the motor of dosing pump simultaneously.
In actual applications, diaphragm metering pump first exports and can also arrange ball-and-seat and high-pressure balancing stop valve between header place, guarantees that the high pressure liquid that diaphragm metering pump first exports and the water under high pressure that water injecting pump exports carry out header.
In actual applications, reducing valve can also be set on reflux pipeline 46, reflux pipeline 46 can also comprise the separator tube of a section longer simultaneously, effectively can prevent high pressure liquid from entering grug feeding jar and damage grug feeding jar, the liquid in grug feeding jar can also be prevented to be rushed out simultaneously.
Optionally; supercharging seal protector is also provided with between the pump housing of water injecting pump 20 and the motor of water injecting pump; supercharging seal protector not only can effectively guarantee water filling pump performance; effectively can also prevent the water outlet pipeline water seepage of the water-injection station be connected with water injecting pump entrance, and then can available protecting water injecting pump motor.
Further, as a kind of optional embodiment of the present embodiment, between the outlet 12 of above-mentioned grug feeding jar and the entrance 31 of dosing pump, y-type filter 44 is also provided with.
In actual applications, even if be provided with stirred tank in grug feeding jar to carry out abundant stirring and dissolving to medicament, but still may carry part in the liquid exported by grug feeding jar and be difficult to dissolved impurity, these impurity may block feed-line, if and these impurity enter into diaphragm metering pump, will damage diaphragm metering pump, the serious diaphragm metering pump that also may cause cannot normally run, and brings potential safety hazard.The y-type filter 44 of the present embodiment by arranging between the outlet 12 and the entrance 31 of dosing pump of grug feeding jar, filtration treatment can be carried out to the impurity in liquid, impurity blocking pipeline or enter into diaphragm metering pump in effective solution liquid, causes the problem that diaphragm metering pump damages.
The oil-field water injection device that the present embodiment provides, when carrying out oil-field flooding, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.Further, second of water injecting pump the outlet is communicated with by reflux pipeline with grug feeding jar entrance, in working conditions change, after adjustment medicament use amount, can reclaims unnecessary medicament in time.By arranging the simple y-type filter of structure, can available protecting pipeline and diaphragm metering pump.
Fig. 3 is the utility model oil-field water injection device schematic diagram of providing of an embodiment again, and parts identical in Fig. 3 with Fig. 1, Fig. 2 adopt identical label.As Fig. 3 shows, the oil-field water injection device that the present embodiment provides, on basis embodiment illustrated in fig. 2, level sensor A is also provided with in grug feeding jar 10, first outlet 32 of dosing pump is also provided with pressure sensor B and flow transmitter C, and water filling delivery side of pump 22 is also provided with pressure sensor B and flow transmitter C.
In water flooding process, need to carry out water filling to multiple water injection well, according to the difference of water injection well, required water injection pressure and water injection rate are also different.Therefore may also need to monitor water injection pressure and water injection rate in the process of water filling.The oil-field water injection device that the present embodiment provides arranges pressure sensor and flow transmitter respectively by the first outlet at water injecting pump and dosing pump, and convenient execution water injection pressure and water injection rate is monitored.
Preferably, the data that each sensor can also be gathered are sent to oil-field flooding digital monitoring platform by wireless sensor network, can react the running status of water filling device in time, monitor without the need to arranging personnel on site on duty specially.
Be appreciated that, conveniently realize high pressure liquid that dosing pump first exports and the header of water under high pressure that water injecting pump exports, should guarantee that the pressure of the water that the pressure of the liquid that dosing pump first exports and water injecting pump export is suitable, or the pressure of water that the pressure of liquid that exports of dosing pump first exports a little more than water injecting pump.According to being arranged at the pressure sensor that dosing pump first exports and water injecting pump exports, constructor can be well understood to the operating frequency how controlling dosing pump motor and water injecting pump motor, to realize the requirement of meeting header.
It is worth mentioning that, the oil-field water injection device that the utility model provides also comprises frequency-conversion control cabinet, and frequency-conversion control cabinet is electrically connected with water injecting pump and described dosing pump.Such as, when needs change water injection pressure, can be regulated the operating frequency of dosing pump motor and water injecting pump motor by frequency-conversion control cabinet, not only conveniently realize water injection pressure and regulate, that can also save motor uses electric consumption.
The oil-field water injection device that the present embodiment provides, when carrying out oil-field flooding, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.Further, by arranging various kinds of sensors, the running status of Real-Time Monitoring water filling device, for staff provides accurate foundation according to Operating condition adjustment water injection rate and water injection pressure.
Below in conjunction with Fig. 4, the oil-field water injection device in above-described embodiment of the present utility model is described in further detail.Be appreciated that following embodiment is used to the technical solution of the utility model is described, and be not used for limiting the utility model.
The overall top view of oil-field water injection device that Fig. 4 provides for the utility model one embodiment, the parts that Fig. 4 with Fig. 1-3 is identical adopt identical label.As Fig. 4 shows; the oil-field water injection device that the utility model provides; specifically can comprise: grug feeding jar 10, water injecting pump 20, diaphragm metering pump 30 and frequency-conversion control cabinet 50; water injecting pump 20 comprises the pump housing and motor; supercharging seal protector 45 is arranged between the water injecting pump pump housing and motor; annexation between other each parts please refer to the specific descriptions of embodiment described in Fig. 1-3, does not repeat them here.
As one preferred embodiment, the oil-field water injection device that above-described embodiment provides can also be controlled by remote control equipment.Concrete, remote control equipment can be electrically connected with described frequency-conversion control cabinet.
In actual applications, remote control equipment can detect the data of each level sensor A, flow transmitter B and pressure sensor C, control frequency-conversion control cabinet according to detected remote data, then frequency-conversion control cabinet can regulate the operating frequency of dosing pump motor and water injecting pump motor accordingly according to the instruction of remote control equipment.
In actual applications, remote control equipment can also detect each on-off model in frequency-conversion control cabinet, carrys out detection system running status.
In actual applications, preferably, a skid base 60 can also be set, above-mentioned grug feeding jar 10, water injecting pump 20 and diaphragm metering pump 30 are installed on skid base 60.Be appreciated that according to actual needs, open and frequency-conversion control cabinet 50 also can be installed on skid base 60.Whole device is facilitated to move between different injection well.
The oil-field water injection device that the utility model embodiment provides specifically can be applied in the process of water injection well in oil fields water filling.On the one hand, this oil-field water injection device can directly and normal pressure water source connect, be directly used in pressure-raising water filling.On the other hand, this oil-field water injection device can be communicated with high pressure water injection pipeline, realizes online augmented injection step-down.Such as, when water injection well distance water-injection station is far away, the water under high pressure that water-injection station exports is after the feed-line of long-distance, when arriving water injection well, hydraulic pressure cannot meet the water injection pressure requirement of water injection well, in this case just the oil-field water injection device that water-injection station high pressure water injection pipeline and the utility model embodiment provide can be communicated with, secondary pressure-raising is carried out to water-injection station water, to reach the water injection pressure requirement of water injection well.
Be appreciated that to there is multiple water injection well in whole oil field region, the demand of each water injection well to water injection pressure is not quite similar, the oil-field water injection device provided by the utility model embodiment, and high oil field water injection pipeline realizes online augmented injection step-down.The water injection pressure of the general water injection well of a discharge pressure demand fulfillment of water-injection station, for individual other to the exigent water injection well of water injection pressure, only needs are communicated with the oil-field water injection device that the utility model embodiment provides on the high pressure water injection pipeline of water-injection station, so, not only can reduce the power consumption of water-injection station, water-injection station can also be realized and water filling is carried out to multiple water injection well simultaneously.Further, after the medicament of filling enters reservoir, after reacting with reservoir impurity, can reservoir be dredged, improve water injection well water absorbing capacity, after corresponding formation opener, just can reduce water injection pressure, now also just not need to use online augmented injection dropping equipment.
The oil-field water injection device that the utility model embodiment provides, when carrying out oil-field flooding, by water injection equipment and chemicals dosing plant are integrated, and inject water injection well after waterflood-transmission line and dosing pipeline are carried out high pressure header, water injection pressure can be improved, realize the object of water injection well stimulation, can realize again annotating medicament online to dredge formation blockage, improve water injection well water absorbing capacity, just water injection pressure can be reduced after corresponding formation opener, therefore only need short-term high pressure water injection, effectively prevent the injury that long-term high pressure water injection causes waterflood-transmission line and stratum.
Concrete, this device mainly has the advantage of four aspects: one be water injecting pump adopt can preferred structure simple, the pressure-raising pump of power consumption and the low routine of noise.Two is be integrated with high pressure chemicals dosing plant, on-line continuous can add unblocking and injection increasing medicament, to improve water injection well water absorbing capacity.Three is adopt tele-control system, by equipment such as wireless sensers, can realize achieving seamless link with oil-field flooding digital Platform.Four is that this device adopts skid structure, convenient dismounting transfer between each water injection well.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (9)

1. an oil-field water injection device, is characterized in that, comprising: grug feeding jar, dosing pump and water injecting pump;
Described grug feeding jar comprises dosing entrance and exit, and the outlet of described grug feeding jar is communicated with the entrance of described dosing pump; Described dosing pump is diaphragm metering pump;
The entrance of described water injecting pump is communicated with the outlet pipe of water-injection station, and described water filling delivery side of pump is communicated with the water injection pipe of water injection well after exporting header with first of described dosing pump;
Described dosing pump also comprises the second outlet, and described second outlet is communicated with by reflux pipeline with described grug feeding jar entrance.
2. device according to claim 1, is characterized in that, is provided with ball-and-seat and high-pressure balancing stop valve, described reflux pipeline is provided with reducing valve between the first outlet of described dosing pump and header.
3. device according to claim 1, is characterized in that, is provided with supercharging seal protector between the pump housing of described water injecting pump and the motor of described water injecting pump.
4. device according to claim 1, is characterized in that, is also provided with y-type filter between the outlet of described grug feeding jar and described dosing pump entrance.
5. device according to claim 1, it is characterized in that, also be provided with level sensor in described grug feeding jar, the first outlet of described diaphragm metering pump is provided with pressure sensor and flow transmitter, and described water filling delivery side of pump is provided with pressure sensor and flow transmitter.
6. the device according to any one of Claims 1 to 5, is characterized in that, also comprises frequency-conversion control cabinet, and described frequency-conversion control cabinet is electrically connected with described water injecting pump and described dosing pump.
7. device according to claim 6, is characterized in that, also comprises skid base, and described grug feeding jar, described dosing pump, described water injecting pump and described frequency-conversion control cabinet are all installed on described skid base.
8. device according to claim 7, is characterized in that, also comprises remote control equipment, and described remote control equipment is electrically connected with described frequency-conversion control cabinet.
9. device according to claim 1, is characterized in that, is also provided with stirred tank in described grug feeding jar.
CN201520035360.5U 2015-01-19 2015-01-19 A kind of oil-field water injection device Active CN204532297U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863582A (en) * 2015-01-19 2016-08-17 中国石油天然气股份有限公司 Oilfield water injection device
CN105888632A (en) * 2016-05-27 2016-08-24 成都北方石油勘探开发技术有限公司 Oil-well injector
CN109209323A (en) * 2018-09-10 2019-01-15 西安交通大学 A kind of fracturing fluid adjuvant automatic adding device
CN105863585B (en) * 2016-05-27 2019-03-12 成都北方石油勘探开发技术有限公司 A kind of reservoir water device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863582A (en) * 2015-01-19 2016-08-17 中国石油天然气股份有限公司 Oilfield water injection device
CN105888632A (en) * 2016-05-27 2016-08-24 成都北方石油勘探开发技术有限公司 Oil-well injector
CN105863585B (en) * 2016-05-27 2019-03-12 成都北方石油勘探开发技术有限公司 A kind of reservoir water device
CN105888632B (en) * 2016-05-27 2019-03-12 成都北方石油勘探开发技术有限公司 A kind of flushing device
CN109209323A (en) * 2018-09-10 2019-01-15 西安交通大学 A kind of fracturing fluid adjuvant automatic adding device

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