CN204609856U - The online acidizing device of portable water injection well - Google Patents
The online acidizing device of portable water injection well Download PDFInfo
- Publication number
- CN204609856U CN204609856U CN201520252552.1U CN201520252552U CN204609856U CN 204609856 U CN204609856 U CN 204609856U CN 201520252552 U CN201520252552 U CN 201520252552U CN 204609856 U CN204609856 U CN 204609856U
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- CN
- China
- Prior art keywords
- water injection
- metering pump
- injection well
- acidizing device
- diaphragm metering
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses the online acidizing device of a kind of portable water injection well, comprise acidizing device and the mobile system for mobile acid gasifying device, described acidizing device comprises: acid solution storage tank, cyclic water tank, Hydraulic Double diaphragm metering pump, cluster engine, explosion-proof electric control box, medicine outlet, import main line is provided with between described acid solution storage tank and cyclic water tank, described import main line is respectively equipped with ball valve near acid solution storage tank and cyclic water tank, the entrance point of described Hydraulic Double diaphragm metering pump is connected on import main line by connecting line, described connecting line is provided with ball valve and strainer, ball-and-seat is provided with between the port of export of described Hydraulic Double diaphragm metering pump and medicine outlet, the port of export of described Hydraulic Double diaphragm metering pump is also provided with relief valve and surge chamber, the upper end of described surge chamber is provided with pressure meter.The utility model operation procedure simplifies, and effective de-plugging, is easy to moving, takies platform space little, can cross-operation, can multilayer, many wells time concentrative operation.
Description
Technical field
The utility model belongs to field of petroleum exploitation, relates to a kind of water injection well acidification to dispel block augmented injection device, provides a kind of portable water injection well online acidizing device especially.
Background technology
Waterflooding extraction become oilfield stable production, tap the latent power and improve the important measures of oil recovery factor, and " 12 " are come, and domestic multiple oil field all increases the scale that displacement of reservoir oil by filling water is applied at mining site, and obtains remarkable benefit, for oilfield stable production has made significant contribution.Along with the continuous increase of Oilfield Water Injection Rate, the prolongation of injection length and the impact of water quality, injury is vulnerable in the injecting process, pit shaft, shaft bottom and near wellbore zone obstruction are assembled, consequent water injection well blockage problem is day by day serious, and water injection capacity differs greatly on vertical and horizontal, the rear water injection pressure of stake is high, water injection rate does not reach injection allocation requirement, even causes well intake pressure to reach well head limiting pressure, and many wells are forced to stop note.
In oilfield development process, water injection rate can not meet the needs of Development and Production, and too high injection pressure is also produced to oilfield safety and brought serious threat.Therefore, water injection well increasing injection technology is the active demand of Development and Production, be also oilfield safety and energy-saving and emission-reduction in the urgent need to.
Acidizing Technology is the important technical that current domestic and international each large waterflooding oil field implements water injection well increasing injection.The water injection well acidifying of current offshore oilfield mainly adopts conventional acidulation pattern, typical case's construction sequence is followed successively by and injects prepad fluid, treatment fluid, after pad three sections of liquid, this acidifying pattern exists that acidizing unit floor space is large, the acidizing treatment time is long, operation procedure is complicated, operating environment requirement is high and coordinate the problems such as difficulty is large, and the many wells of water injection well time frequent acidizing treatment is produced to bring to offshore oilfield and had a strong impact on.There is dosing, transport trouble in oil field, land, problems such as (weather, bad environments, far away) that effective operation time is short, construction risk is large.
Therefore, in the urgent need to the online acidizing device of a kind of simple water injection well.
Utility model content
The purpose of this utility model is to provide portable water injection well online acidizing device, can effectively solve the problem.
The technical solution of the utility model is: the online acidizing device of portable water injection well, comprises acidizing device and the mobile system for mobile acid gasifying device, described acidizing device comprises: acid solution storage tank 1, cyclic water tank 2, Hydraulic Double diaphragm metering pump 3, for the cluster engine 4 providing power to Hydraulic Double diaphragm metering pump 3, for the explosion-proof electric control box 5 of two diaphragm metering pump 3 start and stop of hydraulic control, medicine outlet 6, described acid solution storage tank 1 top is provided with acid-adding port 1a, described acid solution storage tank 1 bottom is provided with sewage draining exit 1b, import main line 7 is provided with between described acid solution storage tank 1 and cyclic water tank 2, described import main line 7 is respectively equipped with ball valve 8 near acid solution storage tank 1 and cyclic water tank 2, the entrance point of described Hydraulic Double diaphragm metering pump 3 is connected on import main line 7 by connecting line, described connecting line is provided with ball valve 8 and strainer 9, ball-and-seat 10 is provided with between the port of export of described Hydraulic Double diaphragm metering pump 3 and medicine outlet 6, the port of export of described Hydraulic Double diaphragm metering pump 3 is also provided with relief valve 11 and surge chamber 12, the upper end of described surge chamber 12 is provided with pressure meter 13.
Preferably, described acidizing device is set on mobile system by pony sill.
Preferably, described mobile system is liberation truck.
Preferably, the online acidizing device of described portable water injection well also comprises staircase platform 14, and described staircase platform 14 is welded on base.
Preferably, described acid solution storage tank 1 is provided with content gauge 15.
Preferably, described Hydraulic Double diaphragm metering pump 3 quantity is 3 groups, described 3 groups of Hydraulic Double diaphragm metering pumps 3 parallel connection access import main line 7.
Preferably, described strainer 9 is y-type filter.
Preferably, described surge chamber 12 is pulse damper.
Preferably, described ball-and-seat 10 is needle valve.
The utility model has following useful effect:
1, operation procedure simplifies, and without the need to configuration, labour intensity greatly reduces; Effectively de-plugging, does not reduce effect simultaneously.
2, construction parameter (scale that ensures enough, save acid solution) can be adjusted in real time, optimize liquid measure.
3, without the need to fresh water configuration, the fresh water of marine preciousness has been saved.
4, be easy to moving, taking boats and ships significantly can be reduced in sea.
5, operation widow time is taken few; It is little that sea takies platform space, can cross-operation, is reduced to minimum on the impact of other operation.
6, can multilayer, many wells time concentrative operation, reach scale benefit.
7, operating cost, vessel expenses can significantly be reduced.
8, the powerful very big reduction of the work such as hanging device, pipeline connection, dosing, infusion.
9, safety simple to operate.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is right view of the present utility model
In figure: 1, acid solution storage tank; 2, cyclic water tank; 3, Hydraulic Double diaphragm metering pump; 4, cluster engine; 5, explosion-proof electric control box; 6, medicine outlet; 7, import main line; 8, ball valve; 9, strainer; 10, ball-and-seat; 11, relief valve; 12, surge chamber; 13, pressure meter; 14, staircase platform; 15, content gauge; 16, power supply pipeline; 1a, acid-adding port; 1b, sewage draining exit.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
As Figure 1-3, the online acidizing device of portable water injection well, comprises acidizing device and the mobile system for mobile acid gasifying device;
Mobile system is liberation truck, and acidizing device is set on mobile system by pony sill.Base is welded with staircase platform 14, conveniently device is overhauled.
Acidizing device comprises: acid solution storage tank 1, cyclic water tank 2, Hydraulic Double diaphragm metering pump 3, the cluster engine 4 for providing power to Hydraulic Double diaphragm metering pump 3, explosion-proof electric control box 5, medicine outlet 6 for two diaphragm metering pump 3 start and stop of hydraulic control, acid solution storage tank 1 top is provided with acid-adding port 1a, acid solution storage tank 1 bottom is provided with sewage draining exit 1b, import main line 7 is provided with between acid solution storage tank 1 and cyclic water tank 2, import main line 7 is respectively equipped with ball valve 8 near acid solution storage tank 1 and cyclic water tank 2, the entrance point of Hydraulic Double diaphragm metering pump 3 is connected on import main line 7 by connecting line, connecting line is provided with ball valve 8 and strainer 9, ball-and-seat 10 is provided with between the port of export of Hydraulic Double diaphragm metering pump 3 and medicine outlet 6, the port of export of Hydraulic Double diaphragm metering pump 3 is also provided with relief valve 11 and surge chamber 12, the upper end of surge chamber 12 is provided with pressure meter 13, acid solution storage tank 1 is provided with content gauge 15.
Acid solution is pumped into high pressure water injection pipeline by Hydraulic Double diaphragm metering pump 3, and power of motor is 22kW, rated voltage 380V, frequency 50Hz, single pump maximum pump discharge is 650L/H (controllable), pump pressure 40MPa, pump head and overcurrent part are Hastelloy, resistance to strong acid corrosion.Hydraulic Double diaphragm metering pump 3 quantity is 3 groups, 3 groups of Hydraulic Double diaphragm metering pump 3 parallel connection access import main lines 7.Can multilayer, many wells time concentrative operation.
Acid solution storage tank 1 volume five cubic metres, material is frp lining polytetrafluoroethylene (PTFE), resistance to high-strength acid liquid corrosion and be easy to vehicle-mounted.The outer attached low liquid level automatic alarming instrument of acid solution storage tank 1, can until liquid level lower than when one cubic metre by vehicle-mounted self priming pump automatical dosing liquid to acid solution storage tank 1, ensure the continuity of online acidizing treatment.
Import main line 7, connecting line are high-pressure acid-resistant pipeline, and its material is Stainless steel 316 L, external diameter 25mm, wall thickness 6mm, resistance to strong acid corrosion, pressure-bearing 50MPa.
Ball-and-seat 10 is high-pressure acid-resistant ball-and-seat, and effect prevents the medium in high-pressure acid-resistant pipeline from flowing backwards, and plays the safety of protection well head and Hydraulic Double diaphragm metering pump 3.Its material is Hastelloy, resistance to strong acid, pressure-bearing 40MPa.
Relief valve 11 is high-pressure acid-resistant relief valve, and for being discharged by the pressure in high-pressure acid-resistant pipeline, maintain intrasystem pressure balance, when system overpressure, venting excess pressure is with superpressure preventing damage equipment.Its material is Stainless steel 316 L.
Strainer 9 is for filtering out the impurity of Hydraulic Double diaphragm metering pump 3 entrance.
The pulsation that surge chamber 12 exports for the two diaphragm metering pump 3 of balanced hydraulic.
Pressure meter 13 is for Real-Time Monitoring Hydraulic Double diaphragm metering pump 3 actual working pressure.
Content gauge 15 is for real time on-line monitoring acid solution storage tank 1 actual liquid level.
During concrete enforcement, the ball valve 8 first opened near cyclic water tank 2 on import main line 7 carries out water filling pressure testing, this ball valve 8 of closedown after pressure testing completes.The ball valve 8 opened near acid solution storage tank 1 on import main line 7 carries out acid filling, this ball valve 8 of closedown after acid filling completes.The ball valve 8 finally opened near cyclic water tank 2 on import main line 7 carries out detergent line, has cleaned all ball valves 8 of rear closedown.In water filling pressure testing, acid filling and detergent line process, the ball valve 8 on connecting line is in open mode.
The acidifying solution of long term and Well head flow path water with note, are clamp-oned stratum after mixing by the utility model in the wellbore, remove near wellbore zone and to pollute and depth direction blocks, improve the intake profile of reservoir, reach the object of increasing injection.Portable online acidizing device tests valve by well head in water injection well the injecting process, injects acid solution continuously, realize uninterrupted adding liquid, until reach the requirement of online acidifying infusion program in oil pipe.Equipment dismounting simple and easy quick, handling safety, acid-alkali-corrosive-resisting, hold high-voltage construction, coordinate intelligent acid fluid system, realize online acidifying.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (9)
1. the online acidizing device of portable water injection well, is characterized in that, comprises acidizing device and the mobile system for mobile acid gasifying device, described acidizing device comprises: acid solution storage tank (1), cyclic water tank (2), Hydraulic Double diaphragm metering pump (3), for the cluster engine (4) providing power to Hydraulic Double diaphragm metering pump (3), for the explosion-proof electric control box (5) of two diaphragm metering pump (3) start and stop of hydraulic control, medicine outlet (6), described acid solution storage tank (1) top is provided with acid-adding port (1a), described acid solution storage tank (1) bottom is provided with sewage draining exit (1b), import main line (7) is provided with between described acid solution storage tank (1) and cyclic water tank (2), described import main line (7) is upper is respectively equipped with ball valve (8) near acid solution storage tank (1) and cyclic water tank (2), the entrance point of described Hydraulic Double diaphragm metering pump (3) is connected on import main line (7) by connecting line, described connecting line is provided with ball valve (8) and strainer (9), ball-and-seat (10) is provided with between the port of export of described Hydraulic Double diaphragm metering pump (3) and medicine outlet (6), the port of export of described Hydraulic Double diaphragm metering pump (3) is also provided with relief valve (11) and surge chamber (12), the upper end of described surge chamber (12) is provided with pressure meter (13).
2., according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described acidizing device is set on mobile system by pony sill.
3. according to the online acidizing device of portable water injection well according to claim 2, it is characterized in that, described mobile system is liberation truck.
4. according to the online acidizing device of portable water injection well according to claim 2, it is characterized in that, the online acidizing device of described portable water injection well also comprises staircase platform (14), and described staircase platform (14) is welded on base.
5. according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described acid solution storage tank (1) is provided with content gauge (15).
6. according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described Hydraulic Double diaphragm metering pump (3) quantity is 3 groups, described 3 groups of Hydraulic Double diaphragm metering pumps (3) parallel connection access import main line (7).
7. according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described strainer (9) is y-type filter.
8. according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described surge chamber (12) is pulse damper.
9. according to the online acidizing device of portable water injection well according to claim 1, it is characterized in that, described ball-and-seat (10) is needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520252552.1U CN204609856U (en) | 2015-04-24 | 2015-04-24 | The online acidizing device of portable water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520252552.1U CN204609856U (en) | 2015-04-24 | 2015-04-24 | The online acidizing device of portable water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204609856U true CN204609856U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520252552.1U Expired - Fee Related CN204609856U (en) | 2015-04-24 | 2015-04-24 | The online acidizing device of portable water injection well |
Country Status (1)
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| CN (1) | CN204609856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060719A (en) * | 2017-01-01 | 2017-08-18 | 陕西海山能源发展有限公司 | A kind of oil well work-in-progress control treatment process system |
| 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 |
-
2015
- 2015-04-24 CN CN201520252552.1U patent/CN204609856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060719A (en) * | 2017-01-01 | 2017-08-18 | 陕西海山能源发展有限公司 | A kind of oil well work-in-progress control treatment process system |
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20210424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |