CN202300321U - Bailing device for horizontal well - Google Patents
Bailing device for horizontal well Download PDFInfo
- Publication number
- CN202300321U CN202300321U CN2011203683257U CN201120368325U CN202300321U CN 202300321 U CN202300321 U CN 202300321U CN 2011203683257 U CN2011203683257 U CN 2011203683257U CN 201120368325 U CN201120368325 U CN 201120368325U CN 202300321 U CN202300321 U CN 202300321U
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- China
- Prior art keywords
- sand
- horizontal
- bailing
- pipe
- shovel
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a tool for an oilfield horizontal well, specifically to a bailing device for a horizontal well. The bailing device mainly comprises a circulation pipe nipple, a bailing pump, a sand blocking pipe nipple, a sand sedimentation pipe, a stabilizer and a horizontal sand shovel, wherein the upper portion of the bailing pump is in threaded connection with the circulation pipe nipple, the lower end of the bailing pump is sequentially connected with the sand blocking pipe nipple and the sand sedimentation pipe, the horizontal sand shovel is fixed at the end portion of the sand sedimentation pipe, and the stabilizer is arranged on the horizontal section of the sand sedimentation pipe. The bailing device is advantageous in that the friction between a bailing pump, sleeves and couplings is minimized, the service lifetime is long, the horizontal sand shovel works normally, and the work efficiency is improved.
Description
Technical field
The utility model relates to a kind of oilfield horizontal well instrument, particularly a kind of horizontal well sand-bailing equipment.
Background technology
In the field produces, owing to long-term exploitation, formation pressure reduce a lot, pressure coefficient eases down to also lower than the equivalent pressure coefficient of water.Use the water flushing sand washing in this case, fluid flow and flow velocity that water entering low pressure layer returns on making in the pit shaft reduce.Coarse sand particles can not effectively be taken ground to.The water that injects when serious can all get into oil reservoirs and can not on return; Cause the sand washing failure, cause the contaminated oil well output of oil reservoir to reduce; Existing sand-bailing equipment sand sediment pipe horizontal segment is when operation; Cause the sand sediment pipe sideslip easily, aggravated the pump housing of sand bucket and the friction between sleeve pipe and the box cupling, make horizontal sand shovel cisco unity malfunction.
Summary of the invention
The purpose of the utility model is exactly the above-mentioned defective that exists to prior art, and a kind of horizontal well sand-bailing equipment is provided.
Its technical scheme is: mainly be made up of circulating sub, sand bucket, sand block pipe nipple, sand sediment pipe, centralizer, horizontal sand shovel; The top of sand bucket is through the circulating sub that is threaded; The lower end of sand bucket connects sand block pipe nipple, sand sediment pipe successively; Described sand sediment pipe end fixed level sand shovel is provided with centralizer on the horizontal segment sand sediment pipe.
Above-mentioned circulating sub is provided with fluid hole.
Above-mentioned horizontal sand shovel end is a pyramidal structure.
The beneficial effect of the utility model is: the friction between sand bucket and sleeve pipe and the box cupling is few, long service life, and horizontal sand shovel operate as normal has improved operating efficiency.
Description of drawings:
Accompanying drawing 1 is the structural representation of the utility model;
Among the last figure: oil pipe 1, circulating sub 2, sand bucket 3, sand block pipe nipple 4, sand sediment pipe 5, centralizer 6, horizontal sand shovel 7.
The specific embodiment:
In conjunction with accompanying drawing 1, the utility model is done further to describe:
The utility model mainly is made up of circulating sub 2, sand bucket 3, sand block pipe nipple 4, sand sediment pipe 5, centralizer 6, horizontal sand shovel 7; The top of sand bucket 3 is through the circulating sub 2 that is threaded; The lower end of sand bucket 3 connects sand block pipe nipple 4, sand sediment pipe 5 successively; Described sand sediment pipe 5 end fixed level sand shovels 7 are provided with centralizer 6 on horizontal segment sand sediment pipe 5; Circulating sub 2 is provided with fluid hole, and it is pyramidal structure that described horizontal sand shovels 7 ends.
During use, transfer sand-bailing equipment in the oil pipe 1, horizontal sand shovel 7 sand setting in the cannula cleaning of starting working; Sand setting is along with sand sediment pipe moves upward; Follow the ring pipe nipple and get rid of, centralizer can effectively prevent the friction of sand-bailing equipment to sleeve pipe, guarantees to drag for normally carrying out of sand work.
Claims (3)
1. horizontal well sand-bailing equipment; It is characterized in that: mainly form by circulating sub (2), sand bucket (3), sand block pipe nipple (4), sand sediment pipe (5), centralizer (6), horizontal sand shovel (7); The top of sand bucket (3) is through the circulating sub that is threaded (2); The lower end of sand bucket (3) connects sand block pipe nipple (4), sand sediment pipe (5) successively, and described sand sediment pipe (5) end fixed level sand shovel (7) is provided with centralizer (6) on horizontal segment sand sediment pipe (5).
2. horizontal well sand-bailing equipment according to claim 1 is characterized in that: described circulating sub (2) is provided with fluid hole.
3. horizontal well sand-bailing equipment according to claim 1 is characterized in that: described horizontal sand shovel (7) end is a pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203683257U CN202300321U (en) | 2011-09-30 | 2011-09-30 | Bailing device for horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203683257U CN202300321U (en) | 2011-09-30 | 2011-09-30 | Bailing device for horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300321U true CN202300321U (en) | 2012-07-04 |
Family
ID=46369243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203683257U Expired - Fee Related CN202300321U (en) | 2011-09-30 | 2011-09-30 | Bailing device for horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817566A (en) * | 2011-09-30 | 2012-12-12 | 南通新诚电子有限公司 | Horizontal well sand bailing device |
| CN111894498A (en) * | 2020-09-04 | 2020-11-06 | 北京化工大学 | Sand collector for well workover reverse circulation sand removal |
-
2011
- 2011-09-30 CN CN2011203683257U patent/CN202300321U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817566A (en) * | 2011-09-30 | 2012-12-12 | 南通新诚电子有限公司 | Horizontal well sand bailing device |
| CN111894498A (en) * | 2020-09-04 | 2020-11-06 | 北京化工大学 | Sand collector for well workover reverse circulation sand removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130930 |