CN103883880B - The cold defeated fluidization equipment of poly-repelling crude oil - Google Patents
The cold defeated fluidization equipment of poly-repelling crude oil Download PDFInfo
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- CN103883880B CN103883880B CN201410147484.2A CN201410147484A CN103883880B CN 103883880 B CN103883880 B CN 103883880B CN 201410147484 A CN201410147484 A CN 201410147484A CN 103883880 B CN103883880 B CN 103883880B
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- crude oil
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- oil
- rotor
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- 239000010779 crude oil Substances 0.000 title claims abstract description 29
- 238000005243 fluidization Methods 0.000 title claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 14
- 239000003129 oil well Substances 0.000 abstract description 13
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The present invention relates to the cold defeated fluidization equipment of poly-repelling crude oil, the cold defeated fluidization equipment of this poly-repelling crude oil is made up of stator casing and flow-disturbing rotor, flow-disturbing rotor is formed by organizing blade more, it is arranged with hole on every blade, the central shaft of flow-disturbing two ends of rotor is rotationally connected by sliding bearing with stator casing, and stator casing has oil inlet pipe and flowline.The present invention shears the crude oil being in below freezing point in the middle of produced liquid in oil well, make it become graininess, low temperature conveying can be realized, and when well head production fluid is higher than condensation point, only need to carry out proper set defeated, under two kinds of operating modes, all can effectively control the rising of wellhead back pressure.
Description
One, technical field:
The present invention relates to poly-driving is become after cold defeated well production fluid processes the equipment of particulate flow, specifically relate to
And be the cold defeated fluidization equipment of poly-repelling crude oil.
Two, background technology:
China's major part crude oil has high-content wax, high condensation point and the feature of high viscosity, i.e. " three high ".Than Oilfields phase
Ratio, oil-gas gathering and transportation process energy consumption is high, discharge is high, efficiency is low, and oil-gas gathering and transportation cost accounts for more than the 30% of oil field total production cost.By
Particularity and the own feature of development mode in oil-gas reservoir, it is desirable to we can not indiscriminately imitate external advanced technologies, how to open
The oil-gas gathering and transferring technology flow process sending out new, is a key technology difficult problem for new Oil & Gas Fields Construction and old oil-and gas-field secondary development.For keeping
Stable production of crude oil high yield, China's major part oil field " underground " in the urgent need to address and " on the ground " two large problems: so-called " underground " problem
It is how to improve oil reservoir to enter the oil gas recovery ratio problem of exploitation middle and late stage；" on the ground " problem is significantly to increase for production fluid is aqueous
How situation about adding, keep oil-gas gathering and transportation processing efficient low consumption problem.At present, along with oilfield exploitation enters middle and late stage,
The oil gas of " underground " passes through secondary and tertiary phase (water filling, steam injection and polymer flooding etc.), causes " on the ground " Produced Liquid
Moisture content sharply increases, and produced liquid in oil well composite water cut is more than 85%, and some has been even up to 95%.Along with produced liquid in oil well
The rising of moisture content, the oil-collecting of oil-gas gathering and transportation process, be dehydrated, that stable and accumulating processes technique is more complicated, collects defeated process energy consumption
Also it is continuously increased.Research and probe is suitable for the new technology new method of High water cut oil-collecting, has oilfield stable production high yield with energy-saving and cost-reducing
Significance.
Defeated for ensureing crude oil proper set, the gathering and transportation technology of oil field " on the ground " commonly used heating in crude oil mixed with hot water in early days.Closely
Nian Lai, along with not heating deepening continuously of gathering-transferring technology research, poly-drive cold defeated well and eliminates traditional water-mixing flow, and well head relies on
Periodically pitching controls the back pressure rate of climb, and reduces wellhead back pressure and hot high pressure carwash can only be relied on to rinse main line, especially polymer displacement oil well
By seeing that poly-concentration and aqueous lower degradation factor are affected, the back pressure rate of climb is fast, and impact produces even running.Oil Well Back Pressure height can be made
Becoming oil well ground system energy consumption to increase, down-hole string alternate load increases and shortens tubing string service life, and oil well pump efficiency declines impact
Yield；Some oil wells back pressure speed raises fast, finds the most even to cause oil return pipeline blocking oil well to stop production, affects oil well
Time rate；The measure pitching of the most reliable cycle and the regular hot high pressure carwash that control back pressure at present rinse main line, and workload is big.Cause
This, carry out cold defeated well and change the defeated medium fluidised form Study on Technical Measures of collection, reduce raising speed in back pressure by changing Produced Liquid fluidised form
Degree, and according to studying either physically or chemically and related measure, change the flow regime of production fluid Crude Oil so that it is be suspended in water
In gas, it is reduced or avoided and the contacting of tube wall as far as possible, reduces the back pressure that crude oil alluvial tube wall causes and rise, thus reduce hot high pressure
Carwash workload and pitching workload, it is ensured that the cold defeated oil-well time-rate of single tube.
Three, summary of the invention:
It is an object of the invention to provide the cold defeated fluidization equipment of poly-repelling crude oil, it is used for solving to gather at present to drive cold defeated well well head
The problem that back pressure is too high.
The technical solution adopted for the present invention to solve the technical problems is: the cold defeated fluidization equipment of this poly-repelling crude oil is by fixed
Subshell and flow-disturbing rotor are constituted, and flow-disturbing rotor is formed by organizing blade more, and every blade is arranged with hole, flow-disturbing two ends of rotor
Central shaft be rotationally connected by sliding bearing with stator casing, stator casing has oil inlet pipe and flowline.
In such scheme, the angle between flow-disturbing rotor two adjacent groups blade is 60 °.
In such scheme, stator casing is respectively fixedly mounted a gland by circular cylinder two ends and constitutes, and bolt passes
After the gland at two ends, being fastened on by cylinder between the gland at two ends, sealing gasket, gland are installed in the end that cylinder is connected with gland
Center have a centre bore, for being connected with the central shaft of flow-disturbing rotor；Capping it is also equipped with outside gland.
Beneficial effect:
1. the present invention shears the crude oil being in below freezing point in the middle of produced liquid in oil well so that it is become graininess,
Can realize low temperature conveying, and when well head production fluid is higher than condensation point, it is defeated only need to carry out proper set, all can have under two kinds of operating modes
Effect controls the rising of wellhead back pressure.
2. the present invention is in view of in use for some time, is in below condensation point as collected defeated medium for extended time, there may be
The blade surface of side is being flowed in crude oil alluvial, but due to the action of gravity of the crude oil that deposits, rotor can be made to rotate, speckle with solidifying
The rotor blade of Guyuan oil can be automatically brought to lower section, simultaneously because blade upset, causes the blade surface of alluvial crude oil to go to out
Stream side, directly can be carried out stream and be rinsed out, and a piece of rotor blade is sheared under process, it is achieved that on-line rinsing, with
Time, it is also possible to by the spanner side of rotatable stator shell side manually Yu rotor consubstantiality, carry out rotor rotation, convenient operation
Personnel's routine cleaning and maintenance.
3. present configuration is simple, easy to connect, and low cost is effective.
Four, accompanying drawing explanation:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of stator casing in the present invention；
Fig. 3 is the top view of flow-disturbing assembly in the present invention；
Fig. 4 is the front view of flow-disturbing assembly in the present invention.
1. gland 2. cylinder 3. flow-disturbing rotor 4. sealing gasket 5. central shaft 6. sliding bearing 7. oil inlet pipe
8. flowline 9. bolt 10. blade 11. hole.
Five, detailed description of the invention:
The present invention is described further below in conjunction with the accompanying drawings:
As it is shown in figure 1, the cold defeated fluidization equipment of this poly-repelling crude oil is made up of, outside stator stator casing and flow-disturbing rotor 3
Shell is a housing, and flow-disturbing rotor 3 is the impeller that many group blades combine, and refering to Fig. 3 and Fig. 4, blade 10 is arranged with one
The hole 11 of set aperture and quantity, the angle between two adjacent groups blade 10 is 60 °, in this manner it is ensured that stay while Jian Qieing
There are enough circulation areas, can effectively reduce device local resistance.The central shaft 5 at flow-disturbing rotor 3 two ends passes through with stator casing
Sliding bearing 6 is rotationally connected, and flow-disturbing rotor 3 can rotate freely in stator casing, and stator casing has oil inlet pipe 7 and flowline
8, crude oil, after oil inlet pipe 8 enters the cold defeated fluidization equipment of poly-repelling crude oil, is full of in stator casing immediately, and stator casing is used for converging
Collection collects defeated medium, and anti-current disturbs part for shearing medium, it is achieved fluidization processes.
Shown in Fig. 2, in present embodiment, stator casing is respectively fixedly mounted a pressure by circular cylinder 2 two ends
Lid 1 composition, cylinder 2, through after two ends gland 1, is fastened between the gland 1 at two ends by bolt 9, cylinder 9 be bolted 9 round,
Sealing gasket 4 is installed in the end that cylinder 2 is connected with gland 1, and there is a centre bore at the center of gland 1, is used for and flow-disturbing assembly
Central shaft 5 connects；Being also equipped with capping outside gland 1, stator casing side and rotor consubstantiality are provided with spanner side.
The fluidization processing procedure of crude oil is to be realized by the flow-disturbing rotor portion of the present invention, and this structure can rely on fluidised form
Aperture on gasifying device flow-disturbing rotor blade realizes a fluid stream cutting.
When fluid is by the present invention, the hole 11 first passed through on first rotor blade 10 flows to the port of export, is formed
Crude oil a fluid stream, then produces cutting effect by second rotor blade 10 to a fluid stream.Fluid viscosity is the biggest, the most easily blocks flow-disturbing
The hole 11 of rotor, the pressure reduction that flow-disturbing rotor is imported and exported is the biggest, and the moment promoting flow-disturbing rotor 3 to rotate is the biggest, and flow-disturbing turns
After son 3 rotates 180 °, the import and export of flow-disturbing rotor hole 11 the most also have rotated 180 °, it is achieved that instant backwash, stifled
The elaioleucite in consent hole 11 washes away.
When poly-drive cold defeated well production fluid temperature relatively low (being in below condensation point) time, the present invention drives cold defeated produced liquid in oil well poly-
In the middle of be in the crude oil of below freezing point and shear so that it is become graininess, suspend in water, low temperature conveying can be realized；When
When production fluid temperature is higher, medium proper set the most in liquid form is defeated, to adapt to not heating of poly-repelling crude oil under different temperatures
High-moisture percentage hydraulic suspension carries.The present invention can without water mixing, without additionaling power under the conditions of, it is achieved poly-cold defeated well output liquid stream
State collection is defeated, effectively reduces back pressure, reduces collection delivery of energy consumption, it is achieved safe transport.
The central shaft 5 of flow-disturbing assembly of the present invention and stator casing use sliding bearing 6, and sliding bearing design is simple, application
Convenient, use the sliding bearing allowing liquid to soak to replace rolling bearing, be greatly reduced the resistance that rotor rotates, power damages
Consume little；Seal form of the present invention uses static seal.
Claims (3)
1. the cold defeated fluidization equipment of poly-repelling crude oil, it is characterised in that: the cold defeated fluidization equipment of this poly-repelling crude oil is by stator
Shell and flow-disturbing rotor (3) are constituted, and flow-disturbing rotor (3) forms by organizing blade more, and every blade (10) is arranged with hole (11),
The central shaft (5) at flow-disturbing rotor (3) two ends is rotationally connected by sliding bearing (6) with stator casing, and stator casing has oil-feed
Pipe (7) and flowline (8)；Stator casing side and flow-disturbing rotor (3) consubstantiality are provided with spanner side.
The cold defeated fluidization equipment of poly-repelling crude oil the most according to claim 1, it is characterised in that: described flow-disturbing rotor is adjacent
Angle between two groups of blades (10) is 60 °.
The cold defeated fluidization equipment of poly-repelling crude oil the most according to claim 2, it is characterised in that: described stator casing is by one
Cylinder (2) two ends of individual circle respectively fixedly mount a gland (1) and constitute, after bolt (9) passes the gland (1) at two ends, by cylinder
Body (2) is fastened between the gland (1) at two ends, and sealing gasket (4), gland are installed in the end that cylinder (2) is connected with gland (1)
(1) there is a centre bore at center, for being connected with the central shaft (5) of flow-disturbing rotor；Capping it is also equipped with outside gland (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147484.2A CN103883880B (en) | 2014-04-14 | 2014-04-14 | The cold defeated fluidization equipment of poly-repelling crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147484.2A CN103883880B (en) | 2014-04-14 | 2014-04-14 | The cold defeated fluidization equipment of poly-repelling crude oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883880A CN103883880A (en) | 2014-06-25 |
| CN103883880B true CN103883880B (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147484.2A Expired - Fee Related CN103883880B (en) | 2014-04-14 | 2014-04-14 | The cold defeated fluidization equipment of poly-repelling crude oil |
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| Country | Link |
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| CN (1) | CN103883880B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341878A (en) * | 2022-07-08 | 2022-11-15 | 温州大学 | Underground high-wax-content produced liquid cold conveying device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190403A (en) * | 2007-04-27 | 2008-06-04 | 方民 | High-efficiency fluid mixed stirring leaf blade unit |
| CN102242867A (en) * | 2011-07-07 | 2011-11-16 | 东北石油大学 | Crude oil forming device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2399803C2 (en) * | 2004-06-15 | 2010-09-20 | Али ЭЛЬ-ШАФЕИ | Procedures for control of instability in hydro-dynamic bearings |
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2014
- 2014-04-14 CN CN201410147484.2A patent/CN103883880B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190403A (en) * | 2007-04-27 | 2008-06-04 | 方民 | High-efficiency fluid mixed stirring leaf blade unit |
| CN102242867A (en) * | 2011-07-07 | 2011-11-16 | 东北石油大学 | Crude oil forming device |
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| Publication number | Publication date |
|---|---|
| CN103883880A (en) | 2014-06-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaoyan Inventor after: Liu Yang Inventor after: Tan Yingjie Inventor after: ZhuGe Xianglong Inventor after: Li Xiaoqing Inventor after: Mu Fei Inventor after: Li Youxing Inventor before: Liu Xiaoyan Inventor before: Tan Yingjie Inventor before: ZHUGE XIANGLONG Inventor before: Li Xiaoqing Inventor before: Mu Fei Inventor before: Li Youxing |
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| COR | Change of bibliographic data | ||
| 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: 20161109 |