CN108266140B - Suction type vortex well flushing device - Google Patents
Suction type vortex well flushing device Download PDFInfo
- Publication number
- CN108266140B CN108266140B CN201810033849.7A CN201810033849A CN108266140B CN 108266140 B CN108266140 B CN 108266140B CN 201810033849 A CN201810033849 A CN 201810033849A CN 108266140 B CN108266140 B CN 108266140B
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- CN
- China
- Prior art keywords
- pipe
- cup
- suction
- liner
- rotary
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000001012 protector Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 12
- 238000005406 washing Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 239000010985 leather Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 1
Images
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
-
- 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
- E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure
-
- 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
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- 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)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to the field of oil field oil extraction engineering, and belongs to a suction type vortex well flushing device which can be used for a horizontal well. The invention solves the problems that a common well washing tool cannot effectively clean sand setting and debris in a well and is easy to pollute the stratum, and the well washing tool consists of an upper joint (1), a mixing pipe (2), a connecting cylinder (3), a nozzle (4), a nozzle seat (5), a pump body (6), a liquid inlet sleeve (7), a liquid suction pipe (8), a liner pipe (9), a cup liner ring (10), a cup (11), a cup protector (12), a rotary liner ring (13), a sealing ring (14), a rotary spray head (15), a bearing (16), a bearing sleeve (17) and a suction inlet (18); the invention has the advantages of safety, reliability, strong pumping capacity, high well-flushing success rate and the like.
Description
The technical field is as follows: the invention relates to the field of oil field oil extraction engineering, and belongs to a suction type vortex well flushing device which can be used for a horizontal well.
Background art: at present, tools such as sand washing pen points and the like are mainly adopted in domestic oil fields to carry out horizontal well flushing in a hydraulic positive circulation mode, and the following problems exist: firstly, after the well washing pipe column enters a horizontal well section, the well washing liquid can generate a circulating channel at the upper part with small flow resistance, and settled sand and debris in a shaft cannot be completely cleaned; secondly, the well flushing positive circulation sand flushing is adopted, if the stratum is seriously lacked, a large amount of well flushing liquid enters the stratum, and the pollution to the stratum is serious.
The invention content is as follows: the invention aims to provide a suction type vortex well washer which can comprehensively clean settled sand and debris in a shaft and is not easy to pollute a stratum.
The technical scheme of the invention is as follows: the device mainly comprises an upper joint, a mixing pipe, a connecting cylinder, a nozzle seat, a pump body, a liquid inlet sleeve, a liquid suction pipe, a liner pipe, a leather cup lining ring, a leather cup protector, a rotary lining ring, a sealing ring, a rotary spray head, a bearing sleeve and a suction inlet; wherein top connection and connecting cylinder threaded connection, the hybrid tube is installed in the top connection, the nozzle is installed in the hybrid tube, the pump body and connecting cylinder threaded connection, the nozzle holder is installed in the pump body, the pump body is internally and externally respectively connected with a liquid suction pipe and a liquid inlet sleeve threaded connection, the liquid inlet sleeve is in threaded connection with a liner pipe, the leather cup protection, the leather cup and the leather cup lining ring are sequentially installed on the liner pipe from bottom to top, the rotary lining ring is installed outside the liner pipe, the sealing ring is respectively installed in the rotary lining ring, the rotary spray head and the bearing sleeve, the rotary lining ring is in threaded connection with the rotary spray head, the bearings are installed in the bearing sleeve in pairs, the bearing sleeve is installed in.
Compared with the prior art, the invention has the following advantages:
the horizontal section sand setting and debris suction device can generate rotational flow, sand setting and debris in the horizontal section are stirred into a suspension state, negative pressure is generated to suck the sand and debris in the suspension state, the sand setting and debris in a horizontal section shaft can be effectively cleaned, and meanwhile, the stratum is not easily polluted.
Description of the drawings: 3 fig. 3 1 3 is 3 a 3 front 3 view 3 schematically 3 illustrating 3 the 3 structure 3 of 3 the 3 present 3 invention 3, 3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 a 3 line 3 a 3- 3 a 3 of 3 fig. 3 1 3, 3 and 3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 a 3 line 3 b 3- 3 b 3 of 3 fig. 3 1 3. 3
The specific implementation mode is as follows: the invention is further detailed with reference to the attached drawings, which mainly comprises an upper joint 1, a mixing pipe 2, a connecting cylinder 3, a nozzle 4, a nozzle seat 5, a pump body 6, a liquid inlet sleeve 7, a liquid suction pipe 8, a liner pipe 9, a cup liner ring 10, a cup 11, a cup protector 12, a rotary liner ring 13, a seal ring 14, a rotary spray head 15, a bearing 16, a bearing sleeve 17 and a suction inlet 18; the upper connector 1 is in threaded connection with the connecting cylinder 3, the mixing pipe 2 is installed in the upper connector 1, the nozzle 4 is installed in the mixing pipe 2, the pump body 6 is in threaded connection with the connecting cylinder 3, the nozzle seat 5 is installed in the pump body 6, the inside and the outside of the pump body 6 are in threaded connection with the pipette 8 and the liquid inlet sleeve 7 respectively, the liquid inlet sleeve 7 is in threaded connection with the liner pipe 9, the cup protection 12, the cup 11 and the cup liner ring 10 are sequentially installed on the liner pipe 9 from bottom to top, the rotary liner ring 13 is installed outside the liner pipe 9, the sealing rings 14 are installed in the rotary liner ring 13, the rotary spray head 15 and the bearing sleeve 17 respectively, the rotary liner ring 13 is in threaded connection with the rotary spray head 15, the bearings 16 are installed in pairs in the bearing sleeve 17, the bearing sleeve 17 is installed in the rotary.
When the device is used on site, the upper connector 1 of the device is connected with an oil pipe, the device is put into a preset position in a sleeve, high-pressure flushing fluid is injected into the sleeve through an annular space between the oil pipe and the sleeve, and the flushing fluid is divided into two parts around the device: the first part of liquid enters the pump body 6 from the liquid hole 6-1, then enters the nozzle seat 5 through the liquid passing long hole 5-1, finally enters the nozzle 4, forms high-speed jet flow at the outlet of the nozzle 4, finally forms a negative pressure zone in the annular cavity between the nozzle 4 and the mixing pipe 2, sucks the liquid near the suction port 18 of the invention into the mixing pipe 2 through the liquid suction pipe 8, the lower part of the pump body 6 and the waist-shaped bridge type channel 6-2 in sequence, and finally enters the oil pipe and returns to the ground; the second part of liquid enters the liquid inlet sleeve 7 from the liquid inlet channel 7-1 after being intercepted by the leather cup 11, and then enters the rotary spray head 15 along the annular space between the liner tube 9 and the liquid suction tube 8, and flows out from the rotary spray head 15 at a high speed to drive the rotary spray head 15 to rotate clockwise, so that the jetted flushing liquid generates vortex in the liner tube, impacts and destroys a sand bridge and stirs a sand surface to form a suspension state, and then the flushing liquid enters the suction inlet 18. The invention is gradually pushed forward, so that the sand setting and the debris in the shaft can be washed and pumped clean.
Claims (4)
1. Suction-type vortex flushing device, its characterized in that: the device consists of an upper joint (1), a mixing pipe (2), a connecting cylinder (3), a nozzle (4), a nozzle seat (5), a pump body (6), a liquid inlet sleeve (7), a liquid suction pipe (8), a liner pipe (9), a cup lining ring (10), a cup (11), a cup protector (12), a rotary lining ring (13), a sealing ring (14), a rotary spray head (15), a bearing (16), a bearing sleeve (17) and a suction inlet (18); wherein the upper joint (1) is in threaded connection with the connecting cylinder (3), the mixing pipe (2) is arranged in the upper joint (1), the nozzle (4) is arranged in the mixing pipe (2), the pump body (6) is in threaded connection with the connecting cylinder (3), the nozzle holder (5) is arranged in the pump body (6), the inside and the outside of the pump body (6) are respectively in threaded connection with the pipette (8) and the liquid inlet sleeve (7), the liquid inlet sleeve (7) is in threaded connection with the liner pipe (9), the cup protector (12), the cup (11) and the cup liner ring (10) are sequentially arranged on the liner pipe (9) from bottom to top, the rotary liner ring (13) is arranged outside the liner pipe (9), the sealing ring (14) is respectively arranged in the rotary liner ring (13), the rotary spray nozzle (15) and the bearing sleeve (17), the rotary liner ring (13) is in threaded connection with the rotary spray nozzle (15), and the bearings (16) are arranged in the bearing sleeve (17) in pairs, the bearing sleeve (17) is arranged in the rotary spray head (15), and the suction port (18) is in threaded connection with the liquid suction pipe (8).
2. The suction vortex flusher of claim 1 wherein: the nozzle seat (5) is uniformly distributed with liquid-long holes (5-1) along the circumference.
3. The suction vortex flusher of claim 1 wherein: two liquid inlet holes (6-1) are uniformly distributed in the middle of the pump body (6) corresponding to the position of the nozzle seat (5), and two kidney-shaped bridge channels (6-2) penetrating through the pump body (6) are arranged on two sides of the liquid inlet holes (6-1).
4. The suction vortex flusher of claim 1 wherein: liquid inlet holes (7-1) are uniformly distributed in the middle of the liquid inlet sleeve (7) along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033849.7A CN108266140B (en) | 2018-01-15 | 2018-01-15 | Suction type vortex well flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033849.7A CN108266140B (en) | 2018-01-15 | 2018-01-15 | Suction type vortex well flushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266140A CN108266140A (en) | 2018-07-10 |
| CN108266140B true CN108266140B (en) | 2020-09-18 |
Family
ID=62775684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810033849.7A Active CN108266140B (en) | 2018-01-15 | 2018-01-15 | Suction type vortex well flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266140B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664153B (en) * | 2019-10-16 | 2022-12-13 | 中国石油化工股份有限公司 | Ball-free type sand setting backwashing device and method |
| CN111396027B (en) * | 2020-03-25 | 2021-03-26 | 中国石油大学(华东) | Horizontal well sand production and water outlet profile prediction method and sand control and water control sieve tube optimization design method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373902A (en) * | 2011-11-10 | 2012-03-14 | 西安瑞捷生物科技有限公司 | Novel jet flow well flushing device |
| CN203175448U (en) * | 2013-01-22 | 2013-09-04 | 中国石油天然气股份有限公司 | Rotary jet flow negative pressure suction composite blockage removal device |
| WO2013133719A1 (en) * | 2012-03-09 | 2013-09-12 | Hydra Systems As | A method for combined cleaning and plugging in a well and a flushing tool for flushing in a well |
| CN203685080U (en) * | 2013-12-23 | 2014-07-02 | 阜新市石油工具厂 | Negative-pressure rotation-flow sand washing device |
| CN205189826U (en) * | 2015-12-08 | 2016-04-27 | 金湖县支点石油科技有限责任公司 | Well -flushing sand washing device |
| CN106285537A (en) * | 2015-06-05 | 2017-01-04 | 中国石油天然气股份有限公司 | Sand instrument is dragged in injection |
| CN106988693A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Concentric tube double-jet aeration negative pressure sand pumping device and method |
-
2018
- 2018-01-15 CN CN201810033849.7A patent/CN108266140B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373902A (en) * | 2011-11-10 | 2012-03-14 | 西安瑞捷生物科技有限公司 | Novel jet flow well flushing device |
| WO2013133719A1 (en) * | 2012-03-09 | 2013-09-12 | Hydra Systems As | A method for combined cleaning and plugging in a well and a flushing tool for flushing in a well |
| CN203175448U (en) * | 2013-01-22 | 2013-09-04 | 中国石油天然气股份有限公司 | Rotary jet flow negative pressure suction composite blockage removal device |
| CN203685080U (en) * | 2013-12-23 | 2014-07-02 | 阜新市石油工具厂 | Negative-pressure rotation-flow sand washing device |
| CN106285537A (en) * | 2015-06-05 | 2017-01-04 | 中国石油天然气股份有限公司 | Sand instrument is dragged in injection |
| CN205189826U (en) * | 2015-12-08 | 2016-04-27 | 金湖县支点石油科技有限责任公司 | Well -flushing sand washing device |
| CN106988693A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Concentric tube double-jet aeration negative pressure sand pumping device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108266140A (en) | 2018-07-10 |
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