CN104806183B - Oil field flushing returns discharge opeing blood pressure lowering except device for silt - Google Patents
Oil field flushing returns discharge opeing blood pressure lowering except device for silt Download PDFInfo
- Publication number
- CN104806183B CN104806183B CN201410032608.2A CN201410032608A CN104806183B CN 104806183 B CN104806183 B CN 104806183B CN 201410032608 A CN201410032608 A CN 201410032608A CN 104806183 B CN104806183 B CN 104806183B
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- blood pressure
- pressure lowering
- sedimentation tank
- desanding basin
- lowering
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 89
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000011109 contamination Methods 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000013049 sediment Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000003129 oil well Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002332 oil field water Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cyclones (AREA)
- Sewage (AREA)
Abstract
The present invention discloses a kind of oil field flushing and returns discharge opeing blood pressure lowering except device for silt，It is characterized in that blood pressure lowering desilts silo for rectangle tank body，Tank surface is provided with high pressure inlet、Blood pressure lowering desanding basin is removed contamination manhole、Sedimentation tank is removed contamination manhole、Blood pressure lowering desilts silo liquid outlet、Backwash mouth、Sedimentation tank sewage draining exit、Receive the dual-purpose mouth of oily aerofluxuss、Blood pressure lowering desanding basin overflow pressure relief receiving port、Sewage draining exit、Sand removing hole、Liquidometer、Blood pressure lowering desanding basin inspection manhole、Sedimentation tank inspection manhole，And it is furnished with discharge opeing lifting and the dual-purpose pump of backwash，Device is placed in blood pressure lowering desander is vortexed in tank pond，High pressure is down to into normal pressure once，And solid-liquor separation and oil can be carried out simultaneously、Gas、Water is separated，The tank body two of device enters six and goes out overflow pressure relief，The generation of the phenomenon that builds the pressure is not resulted in，It is safe and reliable，Pressure decay rate is fast，Except silt particle effect it is good，The sand-flushing and fractured well that can be widely used for oilfield oil well returns the process of discharge opeing.
Description
Technical field
The present invention relates to a kind of oil field flushing return discharge opeing blood pressure lowering except device for silt, especially oilfield oil well sand-flushing,
Fractured well returns the blood pressure lowering of discharge opeing and removes device for silt.
Background technology
At present, when the sand-flushing of oil field sand output well and fracture in oil and water wells liquid return row, because returning the pressure height of discharge opeing, containing silt particle
Amount cannot directly enter greatly reuse after processing meanss are processed, and scene is more using underground pond is dug, by sand-flushing and fracture in oil and water wells
The high pressure liquid containing silt particle of the row of returning is entered in underground pond, is processed, but this method is to environment by way of burying after evaporation is air-dried
Pollution it is big, be the key link that environment is polluted in oilfield development process.
To solve this problem, reuse after being allowed to turn waste into wealth, once from pressure and temperature reducing regulating valve
（CN202884084U）+ skid Multifunctional integrated oil-field water processing meanss carry out oilfield oil well sand-flushing and pressure break returns row
The test of liquid process, as the pressure and temperature reducing regulating valve starting point is single buffering blood pressure lowering, is present because returning discharge opeing sand content for this
High, pressure reduction is big to its erosion failure greatly, a large amount of sands are difficult to discharge the problem for causing accumulated plugging into aftertreatment device does not have
It is resolved.
The content of the invention
In order to overcome, pressure and temperature reducing regulating valve carries out oilfield oil well sand-flushing and fracturing outlet liquid can only be dropped when processing
Pressure is unable to the deficiency of sediment outflow, and the present invention provides a kind of oil field flushing of new structure and returns discharge opeing blood pressure lowering except device for silt, the device
High pressure can not only once be dropped to normal pressure, and the sand in liquid can be separated and be discharged, effectively prevent sand from entering
Skid Multifunctional integrated oil-field water processing meanss result in blockage the generation of phenomenon, and can ensure that the safety and steady operation of device.
The technical solution adopted for the present invention to solve the technical problems is：Blood pressure lowering desilts silo for rectangle tank body, tank body one
Side is provided with remove contamination manhole, Sedimentation tank of high pressure inlet, blood pressure lowering desanding basin and removes contamination manhole, and offside is provided with liquid outlet, backwash mouth, drop
Pressure desanding basin overflow pressure relief receiving port, blood pressure lowering desanding basin sewage draining exit, blood pressure lowering desanding basin sand removing hole and Sedimentation tank sewage draining exit, side sets
There is liquidometer, top is provided with blood pressure lowering desanding basin inspection manhole, Sedimentation tank inspection manhole, Sedimentation tank and receives the dual-purpose mouth of oily aerofluxuss, and matches somebody with somebody
There are discharge opeing lifting and the dual-purpose pump of backwash.
The present invention solves another technical scheme for being adopted of its technical problem：Blood pressure lowering is desilted
Desanding basin and Sedimentation tank, are separated by large baffle, flow guiding inclined plate, flush pipe, filter sand sieve plate and small baffle between two ponds；Large baffle sinks partially
Drop pond side, the inclined blood pressure lowering desanding basin side of small baffle, flow guiding inclined plate are located at below large baffle, and filter sand sieve plate is located at small baffle and drops partially
The side of pressure desanding basin, flush pipe are located between filter sand sieve plate and small baffle；Large baffle, flow guiding inclined plate and filter sand sieve plate connect weldering and are
Integrally, small baffle is independent plate；Blood pressure lowering desanding basin internal upper part periphery is provided with overflow pressure relief collection tank, and groove has overflow pressure relief receipts
Oil-piping layout, is additionally provided with vortex blood pressure lowering desander in pond, in the middle part of vortex blood pressure lowering desander, neighboring is provided with strenthening member, lower, outer perimeter
While being provided with fixed supporting member；Liquidometer connected entrance in Sedimentation tank is provided with filter sand screen drum.
The present invention solves still further a kind of technical scheme for being adopted of its technical problem：Being vortexed blood pressure lowering desander profile is
Rounded cylindrical, bottom are cone cylinder, and cone bottom is provided with sediment outflow conduit；Middle part is cylinder, is welded with ascending, from low to high in barrel
Buffering blood pressure lowering collection sand baffle plate, cylinder middle and lower part tangent line are provided with high pressure and enter fluid catheter；Top is platform cylinder, and lower to go up greatly little, suitable for reading is
Liquid mouth.
The invention has the beneficial effects as follows：Device is placed in blood pressure lowering desander is vortexed in tank pond, double shielding use safety, and one
It is secondary that high pressure is down to into normal pressure, and solid-liquor separation can be carried out simultaneously separate with oil, gas and water, the silt particle isolated and oil gas are continuously
Discharge, greatly improve adaptability and the safety of device.
Description of the drawings
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional combination figure of invention；
Fig. 2 is the front view of invention；
Fig. 3 is the top view of invention；
Fig. 4 is the front view that blood pressure lowering desilts silo；
Fig. 5 is the top view that blood pressure lowering desilts silo；
Fig. 6 is the profile that blood pressure lowering desilts silo；
Fig. 7 is the outline drawing for being vortexed blood pressure lowering desander；
Fig. 8 is the partial sectional view for being vortexed blood pressure lowering desander.
1. blood pressure lowerings in figure desilt silo, 2. Sedimentation tank blowdown pipe valve, 3. drain pipe valve, 4. receive the dual-purpose pipe valve of oily aerofluxuss, 5.
Liquidometer, 6. high pressure feed liquor pipe valve, 7. overflow pressure relief collection tube, 8. backwash pipe valve, 9. blood pressure lowering desanding basin sediment outflow pipe valve, 10.
Pump drain pipe valve, 11. blowdown mains, 12. pumps, 13. Sedimentation tank inspection manholes, 14. blood pressure lowering desanding basin inspection manholes, 15.
Blood pressure lowering desilts silo backwash mouth, 16. Sedimentation tank sewage draining exits, and 17. blood pressure lowerings desilt silo liquid outlet, and 18. Sedimentation tanks receive oily aerofluxuss
Dual-purpose mouth, 19. blood pressure lowering desanding basin overflow pressure relief receiving ports, 20. blood pressure lowering desanding basin sewage draining exits, 21. blood pressure lowering desanding basin sand removing holes,
22. Sedimentation tanks, 23. Sedimentation tanks are removed contamination manhole, 24. high pressure inlets, and 25. blood pressure lowering desanding basins are removed contamination manhole, 26. blood pressure lowering desanding
Pond, 27. small baffles, 28. flush pipes, 29. filter sand sieve plates, 30. flow guiding inclined plates, 31. large baffles, 32. filter sand screen drums, 33. overflows
Pressure release collection tank, 34. overflow pressure reliefs receive oil-piping layout, 35. vortex blood pressure lowering desanders, 36. strenthening members, 37. vortex blood pressure lowering desanding
Device high pressure enters fluid catheter, and 38. fix supporting member, and 39. vortex blood pressure lowering desander sediment outflow conduits, 40. vortex blood pressure lowering desanders go out
Liquid mouth, 41. vortex blood pressure lowering desander buffering blood pressure lowering collection sand baffle plates.
Specific embodiment
In Fig. 1,2,3,4,5, blood pressure lowering desilts the high pressure inlet of silo (1)（24）By high pressure feed liquor pipe valve（6）With
The discharge opeing outlet of returning of oil water well production tree connects（Oil water well production tree does not draw）, blood pressure lowering desilts silo liquid outlet（17）Pass through
Drain pipe valve（3）With pump（12）Import connection, blood pressure lowering desilts silo backwash mouth（15）By backwash pipe valve（8）With machine
Pump out liquid pipe valve（10）Connection, pump drain pipe valve are connected with the import of aftertreatment device（Aftertreatment device is not drawn
Go out）；Sedimentation tank sewage draining exit（16）By Sedimentation tank blowdown pipe valve（2）With blowdown main（11）Oily aerofluxuss two are received in connection, Sedimentation tank
With mouth（18）By receiving the dual-purpose pipe valve of oily aerofluxuss（4）With Sedimentation tank blowdown pipe valve（2）Connection；Blood pressure lowering desanding basin overflow pressure relief receives oil
Mouthful（19）By overflow pressure relief collection tube（7）With blowdown main（11）Connection, blood pressure lowering desanding basin sand removing hole（21）Removed by blood pressure lowering
Sand pond sediment outflow pipe valve（9）Import with silt particle retracting device is connected（Silt particle retracting device does not draw）, blood pressure lowering desanding basin blowdown
Mouthful（20）By blowdown main（11）It is connected with the follow-up import for receiving oily sewage collection system（Follow-up oil sewage collection system of receiving does not draw）.
In Fig. 6,7,8, blood pressure lowering desanding basin（26）Interior overflow pressure relief receives oil-piping layout（34）Upper end and overflow pressure relief collection tank
（33）Connection, lower end and overflow pressure relief receiving port（19）Connection；Vortex blood pressure lowering desander high pressure enters fluid catheter（37）It is pressed into height
Liquid mouth（24）Connection, is vortexed blood pressure lowering desander sediment outflow conduit（39）With blood pressure lowering desanding basin sand removing hole（21）Connection.
Oil field flushing returns discharge opeing blood pressure lowering except the method for operation of device for silt, by the high pressure feed liquor pipe valve of device（6）With profit
Well production tree returns discharge opeing outlet and connects, the high pressure valve, drain pipe valve on opening high pressure feed liquor pipe valve（3）On liquid valve, receive oil
The dual-purpose pipe valve of aerofluxuss（4）On aerofluxuss receive fuel tap, blood pressure lowering desanding basin sediment outflow pipe valve（9）On sediment outflow control valve, then slowly beat
Open production tree and return discharge opeing discharge control valve and initially enter the vortex blood pressure lowering desander in device to device feed liquor, high pressure sand-laden fluid body
（35）In, entering row buffering blood pressure lowering and vortex except silt particle, silt particle passes through sediment outflow conduit（39）From blood pressure lowering desanding basin sand removing hole（21）Row
Go out outside tank, liquid is from liquid outlet（40）Screw out in blood pressure lowering desanding basin, oil and gas enter overflow pressure relief collection tank（33）It is logical
Cross the current oil receiver venting conduit that overflows（34）From overflow pressure relief receiving port（19）Outside drain tank, by filter sand sieve plate（29）Liquid after filtration
Body enters Sedimentation tank（22）It is interior；Observation sand removing hole goes out silt particle situation, controls valve observation liquidometer by adjusting sediment outflow（5）, control
The liquid level rate of climb, when liquid level rises 2/3rds height, starts pump（12）To follow-up processing meanss feed flow, flow-control
In 30m3Within/h, while controlling production tree returns discharge opeing outlet valve, the sediment outflow and receipts oil mass size of view apparatus, by liquid level liter in tank
To highest, the tank body two of device enters six and goes out the generation for not resulting in the phenomenon that builds the pressure, safe and reliable, and pressure decay rate is fast, desilts
Sand effect is good.
Claims (2)
1. a kind of oil field flushing returns discharge opeing blood pressure lowering except device for silt, it is characterized in that：Blood pressure lowering desilts the high pressure inlet of silo (1)
（24）By high pressure feed liquor pipe valve（6）It is connected with the discharge opeing outlet of returning of oil water well production tree, blood pressure lowering desilts silo liquid outlet（17）
By drain pipe valve（3）With pump（12）Import connection, blood pressure lowering desilts silo backwash mouth（15）By backwash pipe valve（8）
With pump drain pipe valve（10）Connection, pump drain pipe valve are connected with the import of aftertreatment device, Sedimentation tank sewage draining exit（16）
By Sedimentation tank blowdown pipe valve（2）With blowdown main（11）The dual-purpose mouth of oily aerofluxuss is received in connection, Sedimentation tank（18）By receiving oily aerofluxuss
Dual-purpose pipe valve（4）With Sedimentation tank blowdown pipe valve（2）Connection, blood pressure lowering desanding basin overflow pressure relief receiving port（19）Received by overflow pressure relief
Oil pipe（7）With blowdown main（11）Connection, blood pressure lowering desanding basin sand removing hole（21）By blood pressure lowering desanding basin sediment outflow pipe valve（9）With silt particle
The import connection of retracting device, blood pressure lowering desanding basin sewage draining exit（20）By blowdown main（11）Entering for oily sewage collection system is received with follow-up
Mouth connection；
Described blood pressure lowering desilts silo (1) for rectangle tank body, and tank body side is provided with high pressure inlet（24）, blood pressure lowering desanding basin removes contamination
Manhole（25）, Sedimentation tank removes contamination manhole（23）, offside is provided with liquid outlet（17）, backwash mouth（15）, blood pressure lowering desanding basin overflow lets out
Pressure receiving port（19）, blood pressure lowering desanding basin sewage draining exit（20）, blood pressure lowering desanding basin sand removing hole（21）With Sedimentation tank sewage draining exit（16）, side
It is provided with liquidometer（5）, top is provided with blood pressure lowering desanding basin inspection manhole（14）, Sedimentation tank inspection manhole（13）, Sedimentation tank receive oil row
The dual-purpose mouth of gas（18）；
Described blood pressure lowering is desilted in silo (1) and is provided with blood pressure lowering desanding basin（26）And Sedimentation tank（22）, by large baffle between two ponds（31）、
Flow guiding inclined plate（30）, flush pipe（28）, filter sand sieve plate（29）And small baffle（27）Separate, the inclined Sedimentation tank side of large baffle, septulum
The inclined blood pressure lowering desanding basin side of plate, flow guiding inclined plate are located at below large baffle, and filter sand sieve plate is located at the one of the inclined blood pressure lowering desanding basin of small baffle
Side, flush pipe are located between filter sand sieve plate and small baffle, and large baffle, flow guiding inclined plate and filter sand sieve plate company is welding as one, small baffle
For independent plate, blood pressure lowering desanding basin internal upper part periphery is provided with overflow pressure relief collection tank（33）, groove have overflow pressure relief receive oil-piping layout
（34）, blood pressure lowering desanding basin（26）It is additionally provided with vortex blood pressure lowering desander（35）, in the middle part of vortex blood pressure lowering desander, neighboring is provided with reinforcing
Component（36）, lower outer periphery is provided with fixed supporting member（38）, the liquidometer connected entrance in Sedimentation tank is provided with filter sand screen drum
（32）.
2. a kind of oil field flushing according to claim 1 returns discharge opeing blood pressure lowering except device for silt, it is characterized in that：Vortex blood pressure lowering is removed
Sand device profile is rounded cylindrical, and bottom is cone cylinder, and cone bottom is provided with sediment outflow conduit（39）, middle part is cylinder, is welded with by little in barrel
To big, buffering blood pressure lowering collection sand baffle plate from low to high（41）, cylinder middle and lower part tangent line is provided with high pressure and enters fluid catheter（37）, top is
Platform cylinder, it is lower go up greatly it is little, it is suitable for reading for liquid outlet（40）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032608.2A CN104806183B (en) | 2014-01-23 | 2014-01-23 | Oil field flushing returns discharge opeing blood pressure lowering except device for silt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032608.2A CN104806183B (en) | 2014-01-23 | 2014-01-23 | Oil field flushing returns discharge opeing blood pressure lowering except device for silt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806183A CN104806183A (en) | 2015-07-29 |
| CN104806183B true CN104806183B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410032608.2A Active CN104806183B (en) | 2014-01-23 | 2014-01-23 | Oil field flushing returns discharge opeing blood pressure lowering except device for silt |
Country Status (1)
| Country | Link |
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| CN (1) | CN104806183B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386747B (en) * | 2015-12-01 | 2018-07-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of circulating sand liquid recovery system and recovery method |
| CN107842329A (en) * | 2016-09-20 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of profit sand separating apparatus and method |
| CN108150118B (en) * | 2017-12-26 | 2020-02-18 | 中国石油大学(华东) | Drilling fluid quantitative degasser |
| CN109184599B (en) * | 2018-08-22 | 2020-11-03 | 中国石油天然气股份有限公司 | Well-flushing return product treatment device and treatment method thereof |
| CN114165178A (en) * | 2021-11-01 | 2022-03-11 | 中石化四机石油机械有限公司 | Integrated treatment device for reverse drainage of desander |
| CN116733396B (en) * | 2023-08-11 | 2023-10-31 | 四川奥达测控装置有限公司 | Drilling outlet flow monitoring and well control overflow and leakage early warning system and method |
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| CN2533252Y (en) * | 2001-12-07 | 2003-01-29 | 辽河石油勘探局锦州工程技术处 | Sand removal discharging device for sand washing operation of oil and water wells |
| CN201543330U (en) * | 2009-09-15 | 2010-08-11 | 濮阳市东昊机械电子有限公司 | Sand cleaning fluid disposal ledge |
| CN202531062U (en) * | 2011-12-02 | 2012-11-14 | 胜利油田胜利勘察设计研究院有限公司 | Cycling well washing device of oil-water well |
| CN103912226A (en) * | 2013-01-05 | 2014-07-09 | 中国石油化工股份有限公司 | Intelligent self-circulation well washing device |
| CN203978344U (en) * | 2014-01-23 | 2014-12-03 | 山东海吉雅环保设备有限公司 | Oil field flushing returns discharge opeing step-down except device for silt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130168306A1 (en) * | 2012-01-03 | 2013-07-04 | Mark Crawford | Hydraulic Fracturing Water Filter |
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2014
- 2014-01-23 CN CN201410032608.2A patent/CN104806183B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533252Y (en) * | 2001-12-07 | 2003-01-29 | 辽河石油勘探局锦州工程技术处 | Sand removal discharging device for sand washing operation of oil and water wells |
| CN201543330U (en) * | 2009-09-15 | 2010-08-11 | 濮阳市东昊机械电子有限公司 | Sand cleaning fluid disposal ledge |
| CN202531062U (en) * | 2011-12-02 | 2012-11-14 | 胜利油田胜利勘察设计研究院有限公司 | Cycling well washing device of oil-water well |
| CN103912226A (en) * | 2013-01-05 | 2014-07-09 | 中国石油化工股份有限公司 | Intelligent self-circulation well washing device |
| CN203978344U (en) * | 2014-01-23 | 2014-12-03 | 山东海吉雅环保设备有限公司 | Oil field flushing returns discharge opeing step-down except device for silt |
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| Publication number | Publication date |
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| CN104806183A (en) | 2015-07-29 |
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Effective date of registration: 20231228 Address after: 277200 Henghai Chuangzhi Park, 160 meters east of the intersection of 320 Provincial Highway and Shanwang Road, Shanting Economic Development Zone, Zaozhuang City, Shandong Province Patentee after: Shandong Senjiehu Environmental Protection Equipment Co.,Ltd. Address before: No. 2299 Yikang Avenue South Road, Tengzhou City, Zaozhuang City, Shandong Province, 277500 Patentee before: SHANDONG HYGIYA ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |