CN207315259U - Sand-flushing Pulsed Jet Pump and wellbore clean device - Google Patents
Sand-flushing Pulsed Jet Pump and wellbore clean device Download PDFInfo
- Publication number
- CN207315259U CN207315259U CN201720874890.8U CN201720874890U CN207315259U CN 207315259 U CN207315259 U CN 207315259U CN 201720874890 U CN201720874890 U CN 201720874890U CN 207315259 U CN207315259 U CN 207315259U
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- China
- Prior art keywords
- nozzle
- high pressure
- sand
- jet pump
- flushing
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- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 12
- 206010008469 Chest discomfort Diseases 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000005191 phase separation Methods 0.000 claims description 2
- 238000011068 load Methods 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 230000003287 optical Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000002445 Nipples Anatomy 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of sand-flushing Pulsed Jet Pump and wellbore clean device, sand-flushing Pulsed Jet Pump, including：High pressure nozzle, outer barrel and the diffuser being arranged in the outer barrel and stirring nozzle, the diffuser is connected with the stirring nozzle, the high pressure nozzle is connected to the Single port of the outer barrel, high pressure chest is formed between the high pressure nozzle and the stirring nozzle, the first the self-excited oscillation cavity is also formed between the inlet and outlet of the high pressure nozzle.By also forming the first the self-excited oscillation cavity between the inlet and outlet of high pressure nozzle, high pressure nozzle produces pulsing jet impact oil well bed load grain, discharged so as to the significantly more efficient sand grains by shaft bottom deposition, simple in structure, design is reasonable, easy to use and improves cleaning efficiency.
Description
Technical field
The utility model is related to oil gas exploitation field, more particularly to a kind of sand-flushing Pulsed Jet Pump and pit shaft it is clear
Clean device.
Background technology
The liquid of generation is transported to surface platform by the production pipeline in oil-gas exploration industry, conventional well.When from producing well
When middle tapped oil and gas, partly flowing through the sand of drilling and heavy oil cannot follow cleaning solution one defeated under the influence of self gravitation
Earth's surface is sent to, is constantly deposited in shaft bottom.The conventional method for clearing up shaft bottom deposit generally carries out high-pressure injection using jet pump, with
Make the Sediment mobilization around cleaning, still, the lasting injection fluid in underground, for more obstinate deposit cleaning action compared with
It is small, cause cleaning efficiency relatively low.How to design sand-flushing a kind of easy to use and high cleaning efficiency is with Pulsed Jet Pump
Technical problem to be solved in the utility model.
The content of the invention
Technical problem to be solved in the utility model is：A kind of sand-flushing Pulsed Jet Pump and wellbore clean are provided
Device, realizes convenient operation sand-flushing Pulsed Jet Pump, and improves cleaning efficiency.
Technical solution provided by the utility model is a kind of sand-flushing Pulsed Jet Pump, including：High high pressure nozzle,
Outer barrel and the diffuser being arranged in the outer barrel and stirring nozzle, the diffuser is connected with the stirring nozzle, described
High pressure nozzle is connected to the Single port of the outer barrel, and high pressure chest is formed between the high pressure nozzle and the stirring nozzle, described
The first the self-excited oscillation cavity is also formed between the inlet and outlet of high pressure nozzle.
Further, self-oscillation nozzle is further included；The self-oscillation nozzle is arranged on the diffuser and described stirs
Between mixing nozzle, the second the self-excited oscillation cavity is formed between the self-oscillation nozzle and the stirring nozzle.
Further, the import of the high pressure nozzle is bell-mouth structure of air.
Further, sand control screen, the stirring nozzle are provided between the diffuser and the self-oscillation nozzle
In the sand control screen.
The utility model also provides a kind of wellbore clean device, including jet pump, Concentric Coiled Tubing, gas lift system, three
Phase-separating device, monitoring device and controller；The jet pump uses above-mentioned sand-flushing Pulsed Jet Pump, described to connect with one heart
Continuous oil pipe includes outer tube and the inner tube being arranged in the outer tube, and the outer tube is connected with the outer barrel of the jet pump, described interior
Pipe is connected with the diffuser of the jet pump；The gas lift system includes liquid nitrogen car, air current spray nozzle and pilot line, the liquid nitrogen
Car is connected by the pilot line with the air current spray nozzle, and the air current spray nozzle is located in said inner tube；The three phase separation
Device includes separator box and the inlet tube, exhaust pipe, oil exit pipe and the delivery pipe that are connected on the separator box, the import
Pipe and the exhaust pipe are arranged on the top of the separator box, and the oil exit pipe is arranged on the middle part of the separator box, the row
The lower part that pipe is arranged on the separator box is put, said inner tube is connected with the inlet tube；The monitoring device include respectively with institute
State the pressure type level transducer and ultrasonic sensor of controller connection.
Further, the discharge directions of the air current spray nozzle are set upward along said inner tube.
Compared with prior art, the advantages of the utility model and good effect is：Sand-flushing provided by the utility model
With Pulsed Jet Pump and wellbore clean device, by also forming the first self-oscillation between the inlet and outlet of high pressure nozzle
Chamber, high pressure nozzle produce pulsing jet impact oil well bed load grain, are discharged so as to the significantly more efficient sand grains by shaft bottom deposition,
Simple in structure, design is reasonable, easy to use and improves cleaning efficiency.It is in addition, effective by the combination of jet pump and airlift unit
Improve the production efficiency of cleaning operation and cleanable region；Concentric Coiled Tubing inner and outer pipes design avoid power fluid and
It is counter go out contact of the liquid with pit shaft；Fibre optical sensor group by during cleaning it is counter go out liquid Parameter analysis judge deposit clean
Process and effect；Monitoring device realizes the real-time monitoring to shaft bottom deposits state；Three-phase separating device to it is counter go out
Liquid is separated, then classification recycling, realizes convenient operation sand-flushing Pulsed Jet Pump, and improve cleaning efficiency.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 show the schematic diagram that deposit is accumulated in wellbore bottom
Fig. 2 is sectional view along A-A in Fig. 1.
Fig. 3 show overall schematic of the wellbore clean device of the present invention when carrying out cleaning operation.
Fig. 4 show the assembling figure of sand-flushing Pulsed Jet Pump and Concentric Coiled Tubing of the present invention.
Fig. 5 show the partial, detailed view of airlift unit.
Fig. 6 show optical fibre sensor structure schematic diagram.
Fig. 7 show three-phase separating device structure diagram.
Fig. 8 show monitoring device structure diagram.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
As Figure 1-Figure 8, the present embodiment sand-flushing Pulsed Jet Pump, including：Jet pump 11, Concentric Coiled Tubing
13rd, gas lift system, three-phase separating device 9, monitoring device 10 and controller 6, Concentric Coiled Tubing 13 are injected by coiled tubing
First 7 enter pit shaft 1, and jet pump 11 is extended to region to be cleaned.During cleaning operation, nitrogen car 8 processed produces and compressed nitrogen leads to
The pilot line 15 crossed installed in oil pipe inner tube reaches gaslift region, and oil pipe inner tube, and assisted jet are sprayed into from air current spray nozzle 12
Pump 11 by extraction it is counter go out liquid give rise to earth's surface.Interconnected installed in the fibre optical sensor 14 of cleaning device everywhere by 16 phase of optical cable
Connect, most at last data summarization to controller 6.It is counter go out liquid reach earth's surface after enter three-phase separating device 9 in separated and recovered.
During daily production operation, the monitoring device 10 positioned at each gully in shaft bottom monitors the deposition conditions of deposit, monitor real-time deposition
Whether cleaning index is reached.
Shown in Fig. 4, outer tube joint 16 connects the outer barrel 19 of Concentric Coiled Tubing outer tube 18 and jet pump 11；Nipple 17 connects
Connect the diffuser 21 of Concentric Coiled Tubing inner tube 20 and jet pump 11；Wherein, jet pump 11 can use existing in the prior art
Pumping unit, it is preferred that in order to improve cleaning efficiency, jet pump 11 includes high pressure nozzle 25, outer barrel 19 and is arranged on described
Diffuser 20 and stirring nozzle 26 in outer barrel, the diffuser 20 are connected with the stirring nozzle 26, the high pressure nozzle 25
The Single port of the outer barrel is connected to, high pressure chest, the high pressure are formed between the high pressure nozzle 25 and the stirring nozzle 26
The first the self-excited oscillation cavity is also formed between the inlet and outlet of nozzle 25.Specifically, the first self-excitation is formed in high pressure nozzle 25
Chamber is vibrated, the first the self-excited oscillation cavity produces pulsing jet impact oil well bed load grain, so as to preferably by the deposit in shaft bottom
Impact is separated from shaft bottom, it is preferred that further includes self-oscillation nozzle 23；The self-oscillation nozzle 23 is arranged on the diffuser
Between 20 and the stirring nozzle 26, the second self-oscillation is formed between the self-oscillation nozzle 23 and the stirring nozzle 26
Chamber.Specifically, during operation, power fluid enters high pressure chest from inlet duct, and a part of power fluid high pressure nozzle 25 produces pulse and penetrates
Stream impact oil well bed load grain；Another portion is entered in the second the self-excited oscillation cavity by stirring nozzle 26, and the second the self-excited oscillation cavity produces
Pulsing jet sprays and forms negative pressuren zone, will contain sand grains solid-liquid stream volume and be drawn to diffuser 20 so that sand grains to be discharged.High pressure nozzle 25
Import with stirring nozzle 26 be bell-mouth structure of air, and flow velocity in nozzle is entered with raising, and diffuser 20 and the self-excitation
Sand control screen 22 is provided between vibrating nozzles 23, the stirring nozzle 26 is located in the sand control screen 22, specifically, high pressure
Power fluid is reached in high pressure chest 24 by annular space inside and outside coiled tubing is divided into two-way, and power fluid is by ejection high pressure nozzle 25 all the way,
Shaft bottom is impacted, deposit is stirred, deposition Logistics is sufficiently mixed with formation fluid, the duct that fluid-mixing passes through 19 surrounding of outer barrel
Into sand control screen 22, larger grit is filtered；The agitated nozzle 26 of another way power fluid sprays, and the stagnation pressure of power fluid is almost complete
Portion is changed into high-velocity flow, makes to form negative pressure in the trunnion of diffuser 21, under the differential pressure action between bottom pressure and negative pressure,
Fluid-mixing is drawn into diffuser 21.After power fluid is sufficiently mixed with fluid-mixing in trunnion, power fluid loses dynamic
Amount and kinetic energy, and fluid-mixing obtains momentum and kinetic energy, mixed fluid are lifted to earth's surface with diffuser.
It is the partial schematic diagram of airlift unit shown in Fig. 5.Nitrogen reaches gaslift region by pilot line 15, through air-flow
Nozzle 12 injects oil pipe inner tube 20.High voltage power liquid is sent to jet pump by interior outer oil pipe annular space downlink.
Fig. 6 provides the schematic diagram of fibre optical sensor.Each sensor 14 is connected by optical cable 16 with other sensors 14, and
Sent data to by circuit positioned at controller 6.When carrying out cleaning operation, these sensors 14 are used for measuring flowing into and out
The flow parameter such as three-phase separating device 9 or the concentration of wellbore outlet and underground each several part fluid, flow velocity, pressure.From each biography
The Data Integration of sensor 14, which gets up, determines the fluid parameter of any specific region in well, is realized real-time and accurately using sensor group
Judge whether current borehole cleans.The wellbore cleanliness standard that the present invention uses is less than 5% for deposit concentration, and contrast standard judges
The clean condition of deposit, realizes the real time monitoring to wellbore cleaning operation.Second effect of sensor group is to keep anti-
Go out liquid and maintain desired flow velocity, by the sensor 14 on coiled tubing monitor it is counter go out flow velocity, and then determine to draw
The installation site of pipe line.
Shown in Fig. 7, it is counter go out liquid by inlet tube 27 flow into separator box 31, after being separated in the case, gas is directly entered row
Tracheae 28, oil are directly entered oil exit pipe 29, and water and mud enter delivery pipe 30.Sensor group 14 is recorded on flowing into separator box
Produce liquid data and in time monitoring it is counter go out liquid separation situation.According to different requirements, stream can be optimized by adjusting corresponding control valve
Enter the fluid flow rate of separator box.
Shown in Fig. 8, base 32 is fixed on the bottom of pit shaft lowered zones, pressure type level transducer 33 and supersonic sensing
Device 34 measures the pressure data and thing position data of deposit and carries out analog-to-digital conversion in real time, is then sent out by radio wave
Send to controller on well 6, monitoring data are analyzed and processed by controller 6, deposit height is obtained by COMPREHENSIVE CALCULATING, it is real
Whether deposit reaches cleaning condition under monitoring well when real.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (6)
- A kind of 1. sand-flushing Pulsed Jet Pump, it is characterised in that including：High pressure nozzle, outer barrel and it is arranged on described outer Diffuser and stirring nozzle in cylinder, the diffuser are connected with the stirring nozzle, and the high pressure nozzle is connected to described outer The port of cylinder, high pressure chest is formed between the high pressure nozzle and the stirring nozzle, the inlet and outlet of the high pressure nozzle it Between be also formed with the first the self-excited oscillation cavity.
- 2. sand-flushing Pulsed Jet Pump according to claim 1, it is characterised in that further include self-oscillation nozzle； The self-oscillation nozzle is arranged between the diffuser and the stirring nozzle, the self-oscillation nozzle and the stirring The second the self-excited oscillation cavity is formed between nozzle.
- 3. sand-flushing Pulsed Jet Pump according to claim 2, it is characterised in that the import of the high pressure nozzle is Bell-mouth structure of air.
- 4. according to any sand-flushing Pulsed Jet Pumps of claim 1-3, it is characterised in that the diffuser and institute State and sand control screen is provided between self-oscillation nozzle, the stirring nozzle is located in the sand control screen.
- 5. a kind of wellbore clean device, it is characterised in that including jet pump, Concentric Coiled Tubing, gas lift system, three phase separation dress Put, monitoring device and controller；The jet pump is using the sand-flushing pulsing jet as described in claim 1-4 is any Pump, the Concentric Coiled Tubing include outer tube and the inner tube being arranged in the outer tube, and the outer tube is outer with the jet pump Cylinder connection, said inner tube are connected with the diffuser of the jet pump；The gas lift system includes liquid nitrogen car, air current spray nozzle and guiding Pipeline, the liquid nitrogen car are connected by the pilot line with the air current spray nozzle, and the air current spray nozzle is located in said inner tube； The three-phase separating device includes separator box and the inlet tube, exhaust pipe, oil exit pipe and the discharge that are connected on the separator box Pipe, the inlet tube and the exhaust pipe are arranged on the top of the separator box, and the oil exit pipe is arranged on the separator box Middle part, the delivery pipe are arranged on the lower part of the separator box, and said inner tube is connected with the inlet tube；The monitoring device bag Include the pressure type level transducer and ultrasonic sensor being connected respectively with the controller.
- 6. wellbore clean device according to claim 5, it is characterised in that the discharge directions of the air current spray nozzle are described in Inner tube is set upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874890.8U CN207315259U (en) | 2017-07-19 | 2017-07-19 | Sand-flushing Pulsed Jet Pump and wellbore clean device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874890.8U CN207315259U (en) | 2017-07-19 | 2017-07-19 | Sand-flushing Pulsed Jet Pump and wellbore clean device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315259U true CN207315259U (en) | 2018-05-04 |
Family
ID=62434741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874890.8U Expired - Fee Related CN207315259U (en) | 2017-07-19 | 2017-07-19 | Sand-flushing Pulsed Jet Pump and wellbore clean device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022212117A1 (en) * | 2021-04-01 | 2022-10-06 | Halliburton Energy Services, Inc. | Monitoring deposition in fluid flowlines that convey fluids during wellbore operations |
-
2017
- 2017-07-19 CN CN201720874890.8U patent/CN207315259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022212117A1 (en) * | 2021-04-01 | 2022-10-06 | Halliburton Energy Services, Inc. | Monitoring deposition in fluid flowlines that convey fluids during wellbore operations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20180719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |