CN204782963U - Water injection well pours into acidizing unit in succession into - Google Patents
Water injection well pours into acidizing unit in succession into Download PDFInfo
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- CN204782963U CN204782963U CN201520381327.8U CN201520381327U CN204782963U CN 204782963 U CN204782963 U CN 204782963U CN 201520381327 U CN201520381327 U CN 201520381327U CN 204782963 U CN204782963 U CN 204782963U
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- metering pump
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- acid solution
- diaphragm metering
- injection well
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Abstract
The utility model belongs to the technical field of the oil -field flooding development, a water injection well pours into acidizing unit in succession into is specifically provided, it is by acidizing fluid storage tank (1), hydraulic pressure two diaphragm metering pump (2), control system (3), acidizing fluid pipe -line system (4), on -line monitoring system (5), the truck mobile system is constituteed, wherein acidizing fluid storage tank (1) links to each other with hydraulic pressure two diaphragm metering pump (2), hydraulic pressure two diaphragm metering pump (2) export links to each other with acidizing fluid pipe -line system (4), control system (3) link to each other with hydraulic pressure two diaphragm metering pump (2), on -line monitoring system (5) link to each other with acidizing fluid pipe -line system (4), acidizing fluid storage tank (1), the common same steel base of hydraulic pressure two diaphragm metering pump (2) and control system (3) is continuous with truck mobile system chassis. The utility model discloses an online construction realizes that the water injection well is high -efficient, quick, the scale dissolves stifledly, has reduced water injection pressure, has improved the water injection rate.
Description
Technical field
The utility model relates to the water injection well Acidizing Technology in water flooding field underground work engineering, and particularly one is intended to efficiently, fast reduce well intake pressure, and a kind of water injection well improving water injection well water injection capacity injects acidizing unit continuously.
Background technology
The reduction of oil field at home water injection well water injection capacity is all because the reduction of near wellbore permeability causes mostly, causes the reason of this change to comprise the clay swell, fine migration etc. of catalase, injection water quality pollution, hole wall attachment.For this situation, be all generally adopt acidifying measure to carry out increasing injection.Acidizing treatment can effectively remove blocking composition, improves reservoir water absorbing capacity, reduces injection pressure, increases injection rate, ensures oil field Efficient Development.
The most popular treatment fluid of current acidification to dispel block is mud acid (mixture of hydrofluoric acid and hydrochloric acid), Compound-acid and MH acid system, by main body treatment acid solution corrosion solid suspension, corrosion product and dirt etc.During conventional acidulation construction, often adopt four step rule treatment process, i.e. the working procedure such as " note prepad fluid → note treatment fluid → note after pad → note displacement fluid ", process is complicated,, there is following drawback in complex steps: 1. acid solution tank used and auxiliary equipment many, take time and effort; 2. working procedure is complicated, and labour intensity is high; 3. operation exclusivity is strong, cannot carry out other operation during acidizing treatment; 4. be difficult to implement acidification to dispel block operation on a large scale; 5. operating cost is high.
For ensureing oil field Efficient Development, develop really quick, easy water injection well acidification to dispel block equipment and technology, the utility model proposes a kind of new type of water flooding and inject acidizing unit continuously, can realize rapidly, continuously, the object of online acidifying, reach the job requirements of increasing injection.
Utility model content
The purpose of this utility model overcomes above-mentioned problems of the prior art; there is provided a kind of water injection well mobile integrated continuous injection acidizing unit, by On-line construction, realize water injection well efficient, fast, scale de-plugging; reduce water injection pressure, improve water injection rate.
For this reason, the utility model provides a kind of water injection well and injects acidizing unit continuously, its technical scheme is: water injection well injects acidizing unit continuously, a kind of water injection well injects acidizing unit continuously, it is characterized in that: it is by acid solution storage tank, Hydraulic Double diaphragm metering pump, control system, acid solution pipe-line system, on-line monitoring system, truck mobile system forms, wherein acid solution storage tank is connected with Hydraulic Double diaphragm metering pump, Hydraulic Double metering diaphragm pump discharge is connected with acid solution pipe-line system, control system is connected with Hydraulic Double diaphragm metering pump, on-line monitoring system is connected with acid solution pipe-line system, acid solution storage tank, Hydraulic Double diaphragm metering pump is connected with truck mobile system chassis with the common same steel socket of control system.
The quantity of above-mentioned Hydraulic Double diaphragm metering pump is 3, is set to two and opens one for state during work.
The concrete connected mode of above-mentioned acid solution storage tank and Hydraulic Double diaphragm metering pump is: acid solution tank base is connected with ball valve by pipeline, and ball valve is connected with y-type filter, and y-type filter is connected with the entrance of Hydraulic Double diaphragm metering pump.
Above-mentioned acid solution storage tank by magnetic flap level gauge, sewage draining exit, add mouth and form, described magnetic flap level gauge is arranged on acid solution storage tank lateral surface; Describedly add the top that mouth is located at acid solution storage tank, described sewage draining exit is located at the bottom of acid solution storage tank.
Above-mentioned Hydraulic Double diaphragm metering pump by the pump housing, safety valve, needle valve, pressure meter, surge chamber form; Its middle pump body is connected with needle valve, is also connected with surge chamber, and described surge chamber is also connected with pressure meter.
The above-mentioned pump housing comprises driving end, fluid end, barrier film warning system three part.
Above-mentioned acid solution pipe-line system is interconnected is formed by high-pressure acid-resistant pipeline, high-pressure acid-resistant ball-and-seat, high-pressure acid-resistant relief valve, high-pressure acid-resistant joint, concrete connected mode is: the high-pressure acid-resistant pipeline in Hydraulic Double diaphragm metering pump exit is connected with the high-pressure acid-resistant ball-and-seat preventing the two diaphragm metering pump of acid solution hydraulic return, subsequently, high-pressure acid-resistant pipeline also connects high-pressure acid-resistant relief valve and high-pressure acid-resistant joint successively, and this high-pressure acid-resistant joint connects with wellhead of water injection well.
Above-mentioned control system is made up of the contactor controlling the start and stop of every platform Hydraulic Double diaphragm metering pump, the corresponding contactor of every platform Hydraulic Double diaphragm metering pump.
Above-mentioned on-line monitoring system comprises an electromagnetic flowmeter and a signal receiver, for the fluid pressure in Real-Time Monitoring pipeline and data on flows.
Above-mentioned truck mobile system be one for delivering the carrying heavy truck of 220 horsepowers of described acidizing unit.
The beneficial effects of the utility model: the utility model equipment is made up of acid solution storage tank, Hydraulic Double diaphragm metering pump, control system, acid solution pipe-line system, truck mobile system, on-line monitoring system.After acid solution pipe-line system being connected with wellhead of water injection well, start hydraulic pressure twin-diaphragm pump, high pressure acid solution is just pumped in water injection well pit shaft by acid solution storage tank; And inject water and still carry out water filling by former flow process pipeline.Acid solution does not need the row of returning after injecting.So just achieve rapidly, continuously, online acidizing treatment operation.
When the utility model implements acidifying mainly for oil-field flooding under-injected well, construction sequence is loaded down with trivial details, the problem of complex procedures, improves by tradition being injected acidizing unit, process optimization and realize rapidly, continuously, the object of online acidifying.Application of the present utility model, construction operation will be made greatly to simplify, and labour intensity greatly reduces, and construction does not affect the injecting process, finally reaches the object injecting increasing injection continuously.By On-line construction, realize water injection well efficient, fast, scale de-plugging, reduce water injection pressure, improve water injection rate.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model structure schematic side view.
Fig. 2 is the utility model structure schematic top plan view.
Description of reference numerals: 1, acid solution storage tank; 2, Hydraulic Double diaphragm metering pump; 3, control system; 4, acid solution pipe-line system; 5, on-line monitoring system; 1-1, magnetic flap level gauge; 1-2, sewage draining exit; 1-3, add mouth; 2-1, the pump housing; 2-2, safety valve; 2-3, needle valve; 2-4, pressure meter; 2-5, surge chamber; 4-1, high-pressure acid-resistant pipeline.
Detailed description of the invention
Embodiment 1:
A kind of water injection well as shown in Figures 1 and 2 injects acidizing unit continuously, the utility model is a kind of mobile integrated online acidizing device, it is by acid solution storage tank 1, Hydraulic Double diaphragm metering pump 2, control system 3, acid solution pipe-line system 4, on-line monitoring system 5, truck mobile system forms, wherein acid solution storage tank 1 is connected with Hydraulic Double diaphragm metering pump 2, Hydraulic Double diaphragm metering pump 2 exports and is connected with acid solution pipe-line system 4, control system 3 is connected with Hydraulic Double diaphragm metering pump 2, on-line monitoring system 5 is connected with acid solution pipe-line system 4, acid solution storage tank 1, Hydraulic Double diaphragm metering pump 2 is connected with truck mobile system chassis with the common same steel socket of control system 3.
Embodiment 2:
On the basis of embodiment 1, the quantity of described Hydraulic Double diaphragm metering pump 2 is 3, is set to two and opens one for state during work.Described acid solution storage tank 1 with the concrete connected mode of Hydraulic Double diaphragm metering pump 2 is: be connected with ball valve by pipeline bottom acid solution tank body 1, ball valve is connected with y-type filter, y-type filter is connected with the entrance of Hydraulic Double diaphragm metering pump 2, acid solution enters Hydraulic Double diaphragm metering pump 2 after being filtered by y-type filter, and liquid enters well head by acid solution pipe-line system 4 again after Hydraulic Double diaphragm metering pump 2 pressurizes.Described acid solution storage tank 1 by magnetic flap level gauge 1-1, sewage draining exit 1-2, add a mouthful 1-3 and form, acid solution adds by adding mouth, observes liquid level by magnetic reprint content gauge.Described magnetic flap level gauge 1-1 is arranged on acid solution storage tank 1 lateral surface; Describedly add the top that mouthful 1-3 is located at acid solution storage tank 1, described sewage draining exit 1-2 is located at the bottom of acid solution storage tank 1.Described Hydraulic Double diaphragm metering pump 2 is by pump housing 2-1, and safety valve 2-2, needle valve 2-3, pressure meter 2-4, surge chamber 2-5 form; Its middle pump body 2-1 is connected with needle valve 2-3, is also connected with surge chamber 2-5, and described surge chamber 2-5 is also connected with pressure meter 2-4.Described pump housing 2-1 comprises driving end, fluid end, barrier film warning system three part.Described acid solution pipe-line system 4 is made up of high-pressure acid-resistant pipeline 4-1, high-pressure acid-resistant ball-and-seat, high-pressure acid-resistant relief valve, high-pressure acid-resistant joint, after acid solution is pumped by Hydraulic Double diaphragm metering pump 2, enter high-pressure acid-resistant pipeline, afterwards by high-pressure acid-resistant ball-and-seat, high-pressure acid-resistant relief valve, high-pressure acid-resistant joint, enter wellhead of water injection well.Wherein high-pressure acid-resistant ball-and-seat is the one-way cock stoping acid solution to flow backwards, and high-pressure acid-resistant relief valve is acid discharge pressure release ball valve after construction, and high-pressure acid-resistant joint is the joint be connected with water injection well.Described control system 3 is made up of the contactor controlling the start and stop of every platform Hydraulic Double diaphragm metering pump 2, the corresponding contactor of every platform Hydraulic Double diaphragm metering pump 2.Described on-line monitoring system 5 comprises an electromagnetic flowmeter and a signal receiver, for the fluid pressure in Real-Time Monitoring pipeline and data on flows.Described truck mobile system be one for delivering the carrying heavy truck of 220 horsepowers of described acidizing unit.
To sum up, the utility model equipment is made up of acid solution storage tank, Hydraulic Double diaphragm metering pump, control system, acid solution pipe-line system, truck mobile system, on-line monitoring system.After acid solution pipe-line system being connected with wellhead of water injection well, start hydraulic pressure twin-diaphragm pump, high pressure acid solution is just pumped in water injection well pit shaft by acid solution storage tank; And inject water and still carry out water filling by former flow process pipeline.Acid solution does not need the row of returning after injecting.So just achieve rapidly, continuously, online acidizing treatment operation.
Wherein acid solution storage tank is connected with Hydraulic Double metering diaphragm pump intake; Hydraulic Double metering diaphragm pump discharge is connected with acid solution pipe-line system; Control system is connected with Hydraulic Double diaphragm metering pump; On-line monitoring system is connected with acid solution pipe-line system; Acid solution storage tank, Hydraulic Double diaphragm metering pump and the public steel socket of control system are connected with truck mobile system.
When the utility model implements acidifying mainly for oil-field flooding under-injected well, construction sequence is loaded down with trivial details, the problem of complex procedures, improves by tradition being injected acidizing unit, process optimization and realize rapidly, continuously, the object of online acidifying.Application of the present utility model, construction operation will be made greatly to simplify, and labour intensity greatly reduces, and construction does not affect the injecting process, finally reaches the object injecting increasing injection continuously.By On-line construction, realize water injection well efficient, fast, scale de-plugging, reduce water injection pressure, improve water injection rate.Within 2014, the utility model is successfully made 20 mouthfuls of well acidizing construction operations at the scene, and the engineering time reduced to 20 hours by former 144 hours, and efficiency of construction improves more than 7 times.
The part do not described in detail in present embodiment belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (10)
1. a water injection well injects acidizing unit continuously, it is characterized in that: it is by acid solution storage tank (1), Hydraulic Double diaphragm metering pump (2), control system (3), acid solution pipe-line system (4), on-line monitoring system (5), truck mobile system forms, wherein acid solution storage tank (1) is connected with Hydraulic Double diaphragm metering pump (2), Hydraulic Double diaphragm metering pump (2) outlet is connected with acid solution pipe-line system (4), control system (3) is connected with Hydraulic Double diaphragm metering pump (2), on-line monitoring system (5) is connected with acid solution pipe-line system (4), acid solution storage tank (1), Hydraulic Double diaphragm metering pump (2) is connected with truck mobile system chassis with the common same steel socket of control system (3).
2. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: the quantity of described Hydraulic Double diaphragm metering pump (2) is 3, is set to two and opens one for state during work.
3. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described acid solution storage tank (1) with the concrete connected mode of Hydraulic Double diaphragm metering pump (2) is: acid solution tank body (1) bottom is connected with ball valve by pipeline, ball valve is connected with y-type filter, and y-type filter is connected with the entrance of Hydraulic Double diaphragm metering pump (2).
4. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described acid solution storage tank (1) by magnetic flap level gauge (1-1), sewage draining exit (1-2), add mouth (1-3) and form, described magnetic flap level gauge (1-1) is arranged on acid solution storage tank (1) lateral surface; Describedly add the top that mouth (1-3) is located at acid solution storage tank (1), described sewage draining exit (1-2) is located at the bottom of acid solution storage tank (1).
5. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described Hydraulic Double diaphragm metering pump (2) by the pump housing (2-1), safety valve (2-2), needle valve (2-3), pressure meter (2-4), surge chamber (2-5) forms; Its middle pump body (2-1) is connected with needle valve (2-3), is also connected with surge chamber (2-5), and described surge chamber (2-5) is also connected with pressure meter (2-4).
6. a kind of water injection well according to claim 5 injects acidizing unit continuously, it is characterized in that: the described pump housing (2-1) comprises driving end, fluid end, barrier film warning system three part.
7. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described acid solution pipe-line system (4) is by high-pressure acid-resistant pipeline (4-1), high-pressure acid-resistant ball-and-seat, high-pressure acid-resistant relief valve, high-pressure acid-resistant joint is interconnected composition, concrete connected mode is: the high-pressure acid-resistant pipeline (4-1) in Hydraulic Double diaphragm metering pump (2) exit is connected with the high-pressure acid-resistant ball-and-seat preventing the two diaphragm metering pump (2) of acid solution hydraulic return, subsequently, high-pressure acid-resistant pipeline (4-1) also connects high-pressure acid-resistant relief valve and high-pressure acid-resistant joint successively, this high-pressure acid-resistant joint connects with wellhead of water injection well.
8. a kind of water injection well according to claim 1 and 2 injects acidizing unit continuously, it is characterized in that: described control system (3) is made up of the contactor controlling the start and stop of every platform Hydraulic Double diaphragm metering pump (2), the corresponding contactor of every platform Hydraulic Double diaphragm metering pump (2).
9. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described on-line monitoring system (5) comprises an electromagnetic flowmeter and a signal receiver, for the fluid pressure in Real-Time Monitoring pipeline and data on flows.
10. a kind of water injection well according to claim 1 injects acidizing unit continuously, it is characterized in that: described truck mobile system be one for delivering the carrying heavy truck of 220 horsepowers of described acidizing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381327.8U CN204782963U (en) | 2015-06-04 | 2015-06-04 | Water injection well pours into acidizing unit in succession into |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381327.8U CN204782963U (en) | 2015-06-04 | 2015-06-04 | Water injection well pours into acidizing unit in succession into |
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| CN204782963U true CN204782963U (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879105A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Continuous injecting and acidizing unit for water injection well |
| CN105587307A (en) * | 2016-02-01 | 2016-05-18 | 荆州市明德科技有限公司 | Remote on-line monitoring system for oil field acidification |
-
2015
- 2015-06-04 CN CN201520381327.8U patent/CN204782963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879105A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Continuous injecting and acidizing unit for water injection well |
| CN105587307A (en) * | 2016-02-01 | 2016-05-18 | 荆州市明德科技有限公司 | Remote on-line monitoring system for oil field acidification |
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