CN203578315U - Spraying desilting pipeline cleaner - Google Patents
Spraying desilting pipeline cleaner Download PDFInfo
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- CN203578315U CN203578315U CN201320668311.6U CN201320668311U CN203578315U CN 203578315 U CN203578315 U CN 203578315U CN 201320668311 U CN201320668311 U CN 201320668311U CN 203578315 U CN203578315 U CN 203578315U
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- wiper
- pipeline
- desilting
- injection
- control valve
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Abstract
The utility model discloses a spraying desilting pipeline cleaner. The pipeline cleaner comprises a pipeline cleaner body(1) with a cylindric outer contour, wherein annular pipeline cleaner scraping plates (2) are arranged on the periphery of the pipeline cleaner body (1); a fluid flow passage (3) runs through the pipeline cleaner body (1); injection orifices (4) are formed by the fluid flow passage (3) in the tail end of the pipeline cleaner body (1); a pressure control valve (5) used for controlling the make-and-break of the fluid flow passage (3) is arranged on the pipeline cleaner body (1); the pressure control valve (5) is switched on when the fluid pressure intensity of the head end of the pipeline cleaner body (1) is higher than the preset value, and is switched off when the fluid pressure intensity of the head end of the pipeline cleaner body (1) is lower than the preset value. When the pipeline cleaner is used in pipeline cleaning, the risk of subsea pipeline blocking happening in subsea pipeline cleaning is greatly reduced, and the cost and the indeterminacy of subsea pipeline plug unblocking are further reduced; meanwhile, the pipeline cleaner is comparatively simple, easy to operate and strong in practicability.
Description
Technical field
The utility model belongs to the mixed transportation of oil and gas submarine pipeline pigging operation field that offshore oil and gas field and terminal are carried out, and specifically refers to a kind of injection desilting wiper.
Background technology
At present, unobstructed in order to guarantee oil gas field pipeline, improve pipeline operation efficiency, need regularly carry out pigging operation.Tracking and monitoring is carried out to the operating pressure of submerged pipeline in oil field in normal productive process, and the ruuning situation of submerged pipeline being leaked and being stopped up according to the result of monitoring is analyzed.If find extra large pipe pressure unusual fluctuations, just should carry out pigging operation to pipeline.1), improve the transfer efficiency of pipeline the object of pigging operation:: the transfer efficiency decline of pipeline can cause the decline of throughput rate, for oil pipeline, solid impurity in crude oil and wax may be gathered on inner-walls of duct under certain condition, for gas pipeline and multiphase flow pipeline, in pipeline, likely there is hyrate to occur, these all can reduce the efficiency of pipeline, increase the loss of pressure energy.By pigging operation, can improve the efficiency of pipeline.2), reduce the corrosion to pipeline: by pigging, can improve pipeline corrosion protection effect, it can use together with the method such as anticorrisive agent and dehydrating agent, reduces the corrosion to inner-walls of duct.While using wiper to pipeline cleaning, utilize motive fluid to promote wiper is moved in pipeline, to remove in-tube fouling.
Because wiper has, clean that caliber scope is large, pipe-line long, corrosion-free to pipeline metal body, low without chemical contamination, snaking uniform and complete, cleaning charge to environment, can realize the plurality of advantages such as cleaning that do not stop production, thereby become current the most frequently used pigging device.Wiper snaking mechanism mainly contains two kinds, and the one, the friction of wiper, scraping action, make that fouling is peeled off, fragmentation; The 2nd, the impulse force that the fluid that wiper surrounding is leaked produces, the dirt that is attached to the fouling on tube wall and peels off is produced wash away, atomizing, and produce mixing power the dirt suspended dispersed dispatch washing down gone out.Except pipeline cleaning, wiper also can be used for throwing in anticorrisive agent, online detection, batch processing and pipeline maintenance etc.; From simple wiper to complicated intelligent pig, wiper has developed into more than 300 kind at present.
Tradition wiper can be divided into by making material: foam pig, rubber wiper, steel axle wiper, polyurethane wiper.
Foam pig is made with open-cell polyurethane foam. and its length is the twice of its diameter normally. foam minute low-density (2lb/3ft), middle density (5～8lbl3ft) and high density (9～10lb/3ft).This wiper is generally bullet, but also can make as requested tack, bipyramid head or concave-concave head, its surface can be a face. also hard coated layer matter polyurethane foamed material from the teeth outwards. and on the wiper of band coating, can be coated with spirality polyurethane coating, various painting brush material or carborundum coating, on naked wiper, only prime.This cheap wiper is inflatable, collapsible, flexible, lightweight, can pass through the pipeline of various calibers, comprises oblique elbow and 90 elbows, can be by the valve of T-shaped pipe and 60% opening.Its weak point is: can only disposablely use, range ability is short, can reduction of service life while moving in the concentrated pipeline section of some acids.
Rubber wiper is made by chloroprene rubber material, and the wiper that nominal diameter is no more than 100mm generally adopts medicine ball, adopts the hollow ball of inner chamber water filling while being greater than 100mm.Rubber wiper is soft spheroid, be out of shape large, good by performance, the difficult card, but the ability of removing block is poor, easily by hard thing pad, is lifted and rolls, and in addition, jam or breakage easily appear in wiper in the situation that dirt being more in water filling deficiency or pipeline.
Steel axle wiper, its body is made with steel or aluminium, and outside installing seal disc advances for pressurization and promotion wiper, and cleaning tool is wire brush.This wiper has cleaning and seals difunctional.Seal disc and wire brush can change at any time.Can assemble wire brush and urethane scraper.Can remove hard deposit, by-pass prot is located at the anterior end of wiper, and so both controllable speed, can, as fumarole, guarantee that the foreign material of removing were suspended in the front of wiper again.The anti-pressure ability that steel axle wiper pushes dirt is strong, and good seal performance is released solid, liquid impurity effect is good more than wiper, and can in wiper afterbody guard shield, signal transmitter be installed.Its weak point is: change the old cost of accessory high, need special equipment to load and unload clear blanket device, the burr on wire brush is sometimes in drilling equipment, and small-sized mandrel wiper cannot be by 1.5 in addition " bend pipe.Polyurethane integral wiper adopts high-strength polyurethane material, through hot press moulding one-shot forming.It is economic integrative-structure, there is no costliness, unnecessary parts, neither can be scattered in pipeline, also can not be stuck in pipeline, without maintenance, has good cost performance.This kind of wiper has high mechanical strength, extremely strong anti-wear performance and superior handling capacity.
No matter pumped (conveying) medium is liquid or gas, pipeline generally can first select wiper tentatively to clean, and then with mechanical pipe-cleaner, further removes tube wall deposit, so reach frictional resistance with new pipeline close till.If there is the not incrustation of easy-clear in pipeline, should adopt various powerful wipers to clean.Other Consideration comprises: ultimate range, minimum bending radius and the bent angle of wiper operation.In addition, valve types, branch's connection and vertical section are all restricting the selection of wiper.Select applicable wiper, just must carry out necessary estimation to the speed of wiper, bypass amount etc., but bring very large uncertainty can to like this manufacturing and designing of wiper, the wiper kind that How to choose is suitable is gone back the quantitative method of neither one at present both at home and abroad, just some experimental methods qualitatively.
Use traditional wiper to carry out pigging operation, when extra large inside pipe wall exists the more dirts such as mud, when the suffered resistance of spherical pig is greater than the thrust that upstream extremity producing well liquid provides, just there will be wiper card run affairs therefore.In order to overcome that wiper card is run affairs thus generation, ensure that the safety of mixed transportation of oil and gas pipeline pigging operation is carried out smoothly, maintain the higher production timeliness in oil field, special utility model a kind of injection desilting spherical pig.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of the relevant technology of the various aspects of the present utility model that are described and/or advocate, believe that this discussion content contributes to provide background information for reader, to be conducive to understanding better various aspects of the present utility model, therefore, should be appreciated that it is with this angle, to read these to discuss, rather than admit prior art.
Utility model content
The purpose of this utility model is to avoid deficiency of the prior art and a kind of injection desilting wiper is provided, and solves submarine pipeline and carries out in pigging operation process at transmitting wiper, and wiper is subject to the resistances such as the interior mud of pipeline and occurs this problem of card pipe.
The purpose of this utility model is achieved through the following technical solutions:
A kind of injection desilting wiper is provided, comprise that outline is columned wiper body, in the periphery of wiper body, be provided with annular wiper scraper plate, wiper body has provided fluid passage, described fluid passage forms jet at the end of wiper body, on wiper body, be provided with the pressure-control valve that can control described fluid passage break-make, described pressure-control valve is opened during higher than preset value at the head end fluid pressure of described wiper body, during lower than preset value, turn-offs.
Wherein, described pressure-control valve comprises valve opening, valve plate and elastic component, and described elastic component makes valve plate be sealed in one end of valve opening.
Wherein, described pressure-control valve comprises the pilot hole being arranged on described wiper body, on described valve plate, be provided with can be in pilot hole movable guide post, described elastic component is the spring being set on guide post, top, spring one end is located on valve plate, and other end top is located on described wiper body.
Wherein, described pressure-control valve comprises the regulating part for regulating spring pre compressed magnitude.
Wherein, described jet is a plurality of, is separately positioned on the end face and periphery of end of wiper body.
Wherein, the diameter of described jet is between 0.3-2mm.
Wherein, described wiper scraper plate is at least two, is disposed in an evenly spaced relation in the periphery of wiper body.
Wherein, described wiper scraper plate is arranged in the periphery of wiper body removably.
Wherein, described wiper scraper plate is comprised of two semi-circular scraper plates, and the two ends of two semi-circular scraper plates are clamping on wiper body by bolt respectively.
The injection desilting wiper that the utility model provides, the head end end face of wiper body, wiper scraper plate are power drive face, under the promotion of wiper defeated pressure outside platform, carry out pigging operation in the pipe of sea.When wiper is when Hai Guanzhong operation is subject to larger resistance appearance pause card pipe, the outer defeated pressure of transmitting terminal platform continues to raise, the thrust that outer transporting fluid acts on wiper power drive face also increases thereupon, when fluid pressure increases to overpressure control valve and opens preset value, pressure-control valve is opened, fluid passage conducting, fluid is spouting by end jet through fluid passage, moment produces very large impulsive force, thereby the fouls such as mud around the inside pipe wall of sea, wiper rear end are washed away, the resistance that wiper is subject to also reduces thereupon, and the head end fluid pressure of wiper body also decreases, when the head end fluid pressure of described wiper body is during lower than preset value, pressure-control valve turn-offs, outer transporting fluid promotes wiper and continues operation.With utilize traditional wiper to carry out pigging operation to compare, use the utility model to carry out pigging operation, greatly reduce appearance sea pipe in the pipe pigging operation of sea and meet stifled risk, also the cost of extra large pipe de-plugging and the uncertainty of de-plugging have been reduced, and this wiper is comparatively simple, easy operating, has very strong practicality.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the axial cutaway view that sprays desilting wiper.
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, it should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
Core of the present utility model is to provide a kind of injection desilting wiper, solves submarine pipeline and carries out in pigging operation process at transmitting wiper, and wiper is subject to the resistances such as the interior mud of pipeline and occurs this problem of card pipe.
As shown in Figure 1, injection desilting wiper described in the utility model, comprise wiper body 1, the outline of wiper body 1 is cylindric, diameter is less than the pipeline internal diameter for the treatment of pigging, wiper body 1 can be made by high-density hard plastics, also can adopt steel, the good material of aluminium alloy equal strength to make.In the periphery of wiper body 1, be provided with annular wiper scraper plate 2, the external diameter of wiper scraper plate 2 with treat that the pipeline internal diameter of pigging matches, wiper scraper plate 2 plays the effect of striking off sludge on inner wall of pipeline in pigging operation, described wiper scraper plate 2 is at least two, being disposed in an evenly spaced relation in the periphery of wiper body 1, is four wiper scraper plates 2 in figure.Wiper body 1 plays fixedly wiper scraper plate, and the effect that part forward drive plane is provided.Wiper body 1 has provided fluid passage 3, and the cross section of fluid passage 3 can be annular.Described fluid passage 3 forms jet 4 at the end of wiper body 1.On wiper body 1, be provided with the pressure-control valve 5 that can control described fluid passage 3 break-makes, described pressure-control valve 5 is opened during higher than preset value at the head end fluid pressure of described wiper body 1, during lower than preset value, turn-offs.
Preferably, described pressure-control valve 5 comprises valve opening 51, valve plate 52 and elastic component 53, and valve opening 51 is formed by fluid passage 3, and valve plate 52 diameters are greater than valve opening 51 diameters, and described elastic component 53 makes valve plate 52 be sealed in one end of valve opening 51.Elastic component 53 can be spring, shell fragment etc., and elastic component 53 provides elastic force, makes valve plate 52 and valve opening 51 form sealing, and pressure-control valve 5 turn-offs fluid passage 3.When the head end fluid pressure of described wiper body 1 is during higher than preset value, when the suffered fluid thrust of valve plate 52 is greater than spring force, fluid backs down valve plate 52, enters in this injection runner.
Preferably, described pressure-control valve 5 comprises the pilot hole 54 being arranged on described wiper body 1, on described valve plate 52, be provided with can be in pilot hole 54 movable guide post 55, described elastic component 53 is for being set in the spring on guide post 55, top, spring one end is located on valve plate 52, and other end top is located on described wiper body 1, and pilot hole 54, guide post 55 coordinate, the direction of motion of valve plate 52 is suffered restraints, be convenient to the shutoff of pressure-control valve 5 and open.
Preferably, described pressure-control valve 5 comprises the regulating part for regulating spring pre compressed magnitude, and regulating part adjustable springs pre compressed magnitude changes preset value, to adapt to different operating modes.
Preferably, described jet 4 is a plurality of, is separately positioned on the end face and periphery of end of wiper body 1, and the diameter of described jet 4 is between 0.3-2mm.The jet 4 of end face axially sprays forward along pipeline, and the jet 4 on end face periphery vertically sprays to the internal face of pipeline, and a plurality of spray angles are more conducive to the fouls such as pipeline periphery of inner wall mud to wash away.Be arranged on the preferred oblique inwall towards pipeline of injection direction of jet 4 of the end face of wiper body 1.
Preferably, described wiper scraper plate 2 is arranged in the periphery of wiper body 1 removably, and like this, pigging operation is received after wiper at pipeline terminal, and detachable old scraper plate after new scraper plate, can be used for next pigging operation in assembling.
Preferably, described wiper scraper plate 2 is comprised of two semi-circular scraper plates, and the two ends of two semi-circular scraper plates are clamping on wiper body 1 by bolt respectively.Like this, wiper scraper plate 2 easy accessibility, are convenient to change.
When the utility model is implemented pigging operation for offshore oilfield, transmitting terminal is put into extra large pipe by wiper, with well liquid, be that power fluid promotes wiper, the head end end face of wiper body, wiper scraper plate are power drive face, under the promotion of wiper defeated pressure outside platform, carry out pigging operation in the pipe of sea.When wiper is when Hai Guanzhong operation is subject to larger resistance appearance pause card pipe, the outer defeated pressure of transmitting terminal platform continues to raise, the thrust that outer transporting fluid acts on wiper power drive face also increases thereupon, when fluid pressure increases to overpressure control valve and opens preset value, pressure-control valve is opened, fluid passage conducting, fluid is spouting by end jet through fluid passage, moment produces very large impulsive force, thereby the fouls such as mud around the inside pipe wall of sea, wiper rear end are washed away, the resistance that wiper is subject to also reduces thereupon, and the head end fluid pressure of wiper body also decreases, when the head end fluid pressure of described wiper body is during lower than preset value, pressure-control valve turn-offs, outer transporting fluid promotes wiper and continues operation.With utilize traditional wiper to carry out pigging operation to compare, use the utility model to carry out pigging operation, greatly reduce appearance sea pipe in the pipe pigging operation of sea and meet stifled risk, also the cost of extra large pipe de-plugging and the uncertainty of de-plugging have been reduced, improved the success rate of pigging operation, ensure the normal operation of the moving equipment such as upstream extremity platform electric submersible pump, maintained the higher production timeliness in oil field.And this wiper is comparatively simple, easy operating, has very strong practicality.
Wenchang Oilfield Group has 7 sea pipes at present, and pigging operation is comparatively frequent, every yearly plan pigging operation 56 times.And if effect is not ideal after pigging operation, pigging operation frequency also can continue to improve.Wenchang Oilfield Group is day produce oil approximately 4690 sides at present, average 670 side/days of produce oil of each platform, if meet the stifled event of running affairs that blocks according to wiper of annual pigging operation appearance, once the sea pipe de-plugging time is to calculate for 3 days, sending out the wiper end platform production time of closing down is 3 days, and the crude output loss causing is 2010 sides, and every barrel of crude oil price is by 100 dollars of calculating, approximately 126.5 ten thousand dollars of direct economic losses, amount to approximately 7,600,000 yuan of RMB.In addition, also very considerable for the human and material resources of sea pipe de-plugging process and the consumption costs of resources on board.If because pigging operation chance is stifled, there is improper production shutoff in platform, causes platform producing well electric submersible pump to break down, and consequent workover cost and production loss also will be very huge.The utility model reduced to a great extent the wiper card occurring in pigging operation run affairs therefore, for wiper design aspect has brought new thinking, will be promoted the use of widely, the utility model technology will be brought better safety benefit.
In description above, set forth a lot of details so that fully understand the utility model, still, the utility model can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to the utility model protection domain.
In a word; although the utility model has exemplified above-mentioned preferred embodiment; but should illustrate; although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in protection domain of the present utility model.
Claims (9)
1. one kind is sprayed desilting wiper, it is characterized in that: comprise that outline is columned wiper body (1), in the periphery of wiper body (1), be provided with annular wiper scraper plate (2), wiper body (1) has provided fluid passage (3), described fluid passage (3) forms jet (4) at the end of wiper body (1), on wiper body (1), be provided with the pressure-control valve (5) that can control described fluid passage (3) break-make, described pressure-control valve (5) is opened during higher than preset value at the head end fluid pressure of described wiper body (1), during lower than preset value, turn-off.
2. injection desilting wiper according to claim 1, it is characterized in that: described pressure-control valve (5) comprises valve opening (51), valve plate (52) and elastic component (53), described elastic component (53) makes valve plate (52) be sealed in one end of valve opening (51).
3. injection desilting wiper according to claim 2, it is characterized in that: described pressure-control valve (5) comprises the pilot hole (54) being arranged on described wiper body (1), on described valve plate (52), be provided with can be in pilot hole (54) movable guide post (55), described elastic component (53) is for being set in the spring on guide post (55), it is upper that top, spring one end is located at valve plate (52), and other end top is located on described wiper body (1).
4. injection desilting wiper according to claim 3, is characterized in that: described pressure-control valve (5) comprises the regulating part for regulating spring pre compressed magnitude.
5. according to the injection desilting wiper described in any one in claim 1 to 4, it is characterized in that: described jet (4) is for a plurality of, be separately positioned on the end face and periphery of end of wiper body (1).
6. injection desilting wiper according to claim 5, is characterized in that: the diameter of described jet (4) is between 0.3-2mm.
7. according to the injection desilting wiper described in any one in claim 1 to 4, it is characterized in that: described wiper scraper plate (2) is at least two, is disposed in an evenly spaced relation in the periphery of wiper body (1).
8. injection desilting wiper according to claim 7, is characterized in that: described wiper scraper plate (2) is arranged in the periphery of wiper body (1) removably.
9. injection desilting wiper according to claim 8, is characterized in that: described wiper scraper plate (2) is comprised of two semi-circular scraper plates, and the two ends of two semi-circular scraper plates are clamping on wiper body (1) by bolt respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668311.6U CN203578315U (en) | 2013-10-29 | 2013-10-29 | Spraying desilting pipeline cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668311.6U CN203578315U (en) | 2013-10-29 | 2013-10-29 | Spraying desilting pipeline cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578315U true CN203578315U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668311.6U Expired - Fee Related CN203578315U (en) | 2013-10-29 | 2013-10-29 | Spraying desilting pipeline cleaner |
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| Country | Link |
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| CN (1) | CN203578315U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN104438245A (en) * | 2014-09-29 | 2015-03-25 | 中国石化集团胜利石油管理局海上石油工程技术检验中心 | Marine pipeline washing device |
| CN105457954A (en) * | 2015-12-11 | 2016-04-06 | 中国石油天然气股份有限公司 | Pigging device |
| CN107022474A (en) * | 2017-06-12 | 2017-08-08 | 李永亮 | A kind of wiper and microalgae culturing device adopting |
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
-
2013
- 2013-10-29 CN CN201320668311.6U patent/CN203578315U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN104438245A (en) * | 2014-09-29 | 2015-03-25 | 中国石化集团胜利石油管理局海上石油工程技术检验中心 | Marine pipeline washing device |
| CN105457954A (en) * | 2015-12-11 | 2016-04-06 | 中国石油天然气股份有限公司 | Pigging device |
| CN107022474A (en) * | 2017-06-12 | 2017-08-08 | 李永亮 | A kind of wiper and microalgae culturing device adopting |
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 China oil tower, 25 Chaoyangmen North Street, Dongcheng District, Beijing Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20201029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |