CN203978339U - A kind of spiral flow sand washing device for horizontal well - Google Patents
A kind of spiral flow sand washing device for horizontal well Download PDFInfo
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- CN203978339U CN203978339U CN201420347137.XU CN201420347137U CN203978339U CN 203978339 U CN203978339 U CN 203978339U CN 201420347137 U CN201420347137 U CN 201420347137U CN 203978339 U CN203978339 U CN 203978339U
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- sand
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Abstract
The utility model relates to a kind of spiral flow sand washing device for horizontal well.In the time of the conventional sand washing construction of horizontal well, sand cleaning fluid and reservoir sand two-layer up and down in production casing respectively under Action of Gravity Field, the reservoir sand that causes constructing liquid to flow from upper strata and cannot effectively carry lower floor is migrated together, more cannot effectively carry reservoir sand and return out pit shaft, concrete manifestation is that efficiency of construction is low, water supply volume is huge, sand washing effect, easily sand buriing work pipe string is poor etc.A kind of spiral flow sand washing device for horizontal well, comprises the vector washing pipe and the isolation washing pipe that connect by tubing coupling, and described isolation washing pipe comprises oil pipe short circuit and is positioned at the tubing coupling at its two ends, isolates washing pipe and be connected with vector washing pipe by the tubing coupling of its one end.The utility model can effectively improve sand washing efficiency, reduces construction period and water supply volume, prevents that sand washing operation lock of tool drilling from occurring, and greatly saves construction cost, can force to carry reservoir sand and return out ground in horizontal well sand washing.
Description
Technical field
the utility model relates to a kind of sand washing machine, especially a kind of spiral flow sand washing device for horizontal well.
Background technology
In oil exploitation manufacturing process, reservoir sand can migrate in production casing with the mobile quilt of landing surface production fluid body, causes sand to bury the fault in production such as perforated interval, jam downhole tool.Produce after some cycles, need to implement sand-flushing operation to the producing well that shakes out more, be generally to utilize sand cleaning fluid and sand washing operating tool string, and the reservoir sand depositing in production casing is rinsed and carry out pit shaft, the circulation passage of renwing stratum liquid, ensures that with this oil well normally produces.But in the time of the conventional sand washing construction of horizontal well, owing to there being the existence of net horizontal section, sand cleaning fluid and reservoir sand two-layer up and down in production casing respectively under Action of Gravity Field, cannot effectively carry the reservoir sand of lower floor migrates together thereby the liquid that can cause constructing flows from upper strata, more cannot effectively carry reservoir sand and return out pit shaft, concrete manifestation is that efficiency of construction is low, water supply volume is huge, sand washing effect, easily sand buriing work pipe string is poor etc.
Summary of the invention
The purpose of this utility model is to provide a kind of spiral flow sand washing device for horizontal well that can also force flushing and carry reservoir sand to return out at horizontal well sand washing construction formation shaft bottom rotated flowing liquid ground.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of spiral flow sand washing device for horizontal well, its special feature is: comprise the vector washing pipe and the isolation washing pipe that connect by tubing coupling, described isolation washing pipe comprises oil pipe short circuit and is positioned at the tubing coupling at its two ends, isolates washing pipe and be connected with vector washing pipe by the tubing coupling of its one end;
Described vector washing pipe comprises the oil pipe short circuit that is provided with several vector nozzles on body, and the mother that the end of oil pipe short circuit arranges with nozzle blocks up;
The other end of described isolation washing pipe arranges tubing coupling, isolation washing pipe inside is provided with isolate steel plate along axis direction, isolation washing pipe inner chamber is divided into upper an actor's rendering of an operatic tune and lower an actor's rendering of an operatic tune by it, and the heteropleural end of upper an actor's rendering of an operatic tune and lower an actor's rendering of an operatic tune is respectively arranged with baffle plate, and the baffle plate on upper an actor's rendering of an operatic tune is near vector washing pipe; Several flow channels that are in communication with the outside are set respectively on the tube wall of upper an actor's rendering of an operatic tune and lower an actor's rendering of an operatic tune, and the flow channels of the flow channels of described upper an actor's rendering of an operatic tune and lower an actor's rendering of an operatic tune is the baffle plate of close its end respectively;
On described isolation washing pipe, be arranged with the self-styled gum cover of being close to its outer wall, the two ends of self-styled gum cover connect stop collar by spacer ring respectively, are respectively arranged with the through hole corresponding with isolating washing pipe outer wall flow channels on described stop collar.
Described vector nozzle is column nozzle and by helical arrangement, each vector nozzle is arranged on body by pipe, and the axis of the axis of each vector nozzle and oil pipe short circuit is at 45 °, becomes 30 ° with pipe tangent line.
Compared with prior art, the utlity model has following beneficial effect:
1. the utility model has solved in existing conventional levels well sand washing construction, the problem that sand cleaning fluid impact force in horizontal segment is little, reservoir sand natural subsidence cannot effectively be carried, can effectively improve sand washing efficiency, reduce construction period and water supply volume, prevent that sand washing operation lock of tool drilling from occurring, greatly save construction cost, in horizontal well sand washing, can force to carry reservoir sand and return out ground;
2. the utility model can be forced output rotated flowing liquid in horizontal well sand washing, strengthens sand cleaning fluid and rinses and carrying capacity, completes more efficiently sand washing task.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of isolation washing pipe;
Fig. 3 is the structural representation of vector washing pipe;
Fig. 4 is the structural representation of self-styled gum cover, spacer ring and stop collar.
Wherein: 1. vector washing pipe; 2. isolation washing pipe; 3. female stifled; 4. tubing coupling; 5. isolate steel plate; 6. go up an actor's rendering of an operatic tune; 7. descend an actor's rendering of an operatic tune; 8. baffle plate; 9. self-styled gum cover; 10. spacer ring; 11. stop collars; 12. through holes; 13. flow channels; 14. vector nozzles; 15. nozzles.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described in detail.
Referring to Fig. 1, a kind of spiral flow sand washing device for horizontal well, comprises the vector washing pipe 1 and the isolation washing pipe 2 that connect by tubing coupling, and isolation washing pipe 2 is positioned at the top of vector washing pipe 1;
Referring to Fig. 3, vector washing pipe 1 comprises the oil pipe short circuit that is provided with several vector nozzles 14 on body, and the end of oil pipe short circuit arranges the mother stifled 3 with nozzle; Vector nozzle 14 is column nozzle and by helical arrangement, each vector nozzle 14 is arranged on body by pipe, and the axis of the axis of each vector nozzle 14 and oil pipe short circuit is at 45 °, becomes 30 ° with pipe tangent line.
Referring to Fig. 2, the other end of isolation washing pipe 2 arranges tubing coupling, isolation washing pipe 2 inside are provided with and the tight leakproof fit isolate steel plate 5 of tube wall along axis direction, isolation washing pipe 2 inner chambers are divided into upper an actor's rendering of an operatic tune 6 and lower an actor's rendering of an operatic tune 7, in a side of upper an actor's rendering of an operatic tune 6 and lower an actor's rendering of an operatic tune 7, several flow channels that are in communication with the outside 13 are set respectively, the flow channels 13 of described upper an actor's rendering of an operatic tune 6 and the flow channels 13 of lower an actor's rendering of an operatic tune 7 be the tubing coupling 4 of close heteropleural respectively, the heteropleural end welding steel shutoff of upper an actor's rendering of an operatic tune 6 and upper an actor's rendering of an operatic tune 7;
The utility model adopts circular flow channels.
Referring to Fig. 4, on isolation washing pipe 2, be arranged with the self-styled gum cover 9 of being close to its outer wall, coordinate with tube wall by elastic deformation and form sealing, stop and force the liquid stream of anti-flushing well to change direction, from the interior entering tool of isolation washing pipe 2 below; The two ends of self-styled gum cover 9 are respectively arranged with spacer ring 10 and stop collar 11, limit the position of self-styled gum cover 9 can not arbitrarily move with stop collar 11 and spacer ring 10, are respectively arranged with the through hole corresponding with flow channels 13 12 on stop collar 11.
Operating principle of the present utility model is: with conventional construction oil pipe, cyclone sand washing device is carried to tubing string lower end and enters sand washing position, it is horizontal segment, from the annular space (being called for short oil jacket annular space) of production casing and construction oil pipe, squeeze into sand cleaning fluid, sand cleaning fluid is prevented from advancing in the time that oil jacket annular space goes downwards to self-styled gum cover (all the time in the packing state) position of cyclone sand washing device, sand cleaning fluid is forced to turn to, then the flow channels 13 that enters an actor's rendering of an operatic tune 7 from the through hole of stop collar 11 enters into the lower an actor's rendering of an operatic tune 7 of isolating washing pipe 2, lower an actor's rendering of an operatic tune 7 near the end of vector washing pipe 1 unobstructed the and other end by steel plate shutoff, sand cleaning fluid enters in vector washing pipe 1, then sand cleaning fluid is spouting from vector nozzle 14, make sand cleaning fluid form rotary impact liquid stream at horizontal segment, rinse and carry reservoir sand and return (to the motion of well head direction) from oil jacket annular space, on return the up obstruct that can run into equally self-styled gum cover 9 of liquid stream, liquid fails to be convened for lack of a quorum and enters in upper an actor's rendering of an operatic tune 6 by the flow channels 13 of upper an actor's rendering of an operatic tune 6, the end of the close vector washing pipe 1 of upper an actor's rendering of an operatic tune 6 is by steel plate shutoff and the other end is unobstructed, sand cleaning fluid carries reservoir sand by the up top oil pipe inner chamber that enters into, always, return ground, continue infusion sand cleaning fluid and just can complete sand washing target.
Claims (2)
1. a spiral flow sand washing device for horizontal well, it is characterized in that: comprise the vector washing pipe (1) and the isolation washing pipe (2) that connect by tubing coupling (4), described isolation washing pipe (2) comprises oil pipe short circuit and is positioned at the tubing coupling (4) at its two ends, isolates washing pipe (2) and be connected with vector washing pipe (1) by the tubing coupling (4) of its one end;
Described vector washing pipe (1) comprises the oil pipe short circuit that is provided with several vector nozzles on body, and the end of oil pipe short circuit arranges the mother stifled (3) with nozzle;
The other end of described isolation washing pipe (2) arranges tubing coupling (4), isolation washing pipe (2) is inner is provided with isolate steel plate (5) along axis direction, it will be isolated washing pipe (2) inner chamber and be divided into upper an actor's rendering of an operatic tune (6) and lower an actor's rendering of an operatic tune (7), the heteropleural end of upper an actor's rendering of an operatic tune (6) and lower an actor's rendering of an operatic tune (7) is respectively arranged with baffle plate (8), and the baffle plate (8) on upper an actor's rendering of an operatic tune (6) is near vector washing pipe (1); On the tube wall of upper an actor's rendering of an operatic tune (6) and lower an actor's rendering of an operatic tune (7), several flow channels that are in communication with the outside (13) are set respectively, the flow channels (13) of described upper an actor's rendering of an operatic tune (6) and the flow channels (13) of lower an actor's rendering of an operatic tune (7) be the baffle plate (8) of close its end respectively;
On described isolation washing pipe (2), be arranged with the self-styled gum cover (9) of being close to its outer wall, the two ends of self-styled gum cover (9) connect stop collar (11) by spacer ring (10) respectively, are respectively arranged with the through hole (12) corresponding with isolating washing pipe (2) outer wall flow channels (13) on described stop collar (11).
2. a kind of spiral flow sand washing device for horizontal well according to claim 1, it is characterized in that: described vector nozzle (14) is for column nozzle and by helical arrangement, each vector nozzle (14) is arranged on body by pipe, the axis of each vector nozzle (14) and the axis of oil pipe short circuit are at 45 °, become 30 ° with pipe tangent line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347137.XU CN203978339U (en) | 2014-06-27 | 2014-06-27 | A kind of spiral flow sand washing device for horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347137.XU CN203978339U (en) | 2014-06-27 | 2014-06-27 | A kind of spiral flow sand washing device for horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978339U true CN203978339U (en) | 2014-12-03 |
Family
ID=51975798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347137.XU Withdrawn - After Issue CN203978339U (en) | 2014-06-27 | 2014-06-27 | A kind of spiral flow sand washing device for horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047557A (en) * | 2014-06-27 | 2014-09-17 | 西安中孚凯宏石油科技有限责任公司 | Horizontal well rotational flow sand washing device |
| CN105804678A (en) * | 2015-09-18 | 2016-07-27 | 中国石油化工股份有限公司 | Underground sand removing, blocking removing and backwashing device for oil-water well |
-
2014
- 2014-06-27 CN CN201420347137.XU patent/CN203978339U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047557A (en) * | 2014-06-27 | 2014-09-17 | 西安中孚凯宏石油科技有限责任公司 | Horizontal well rotational flow sand washing device |
| CN104047557B (en) * | 2014-06-27 | 2016-08-31 | 西安中孚凯宏石油科技有限责任公司 | Spiral flow sand washing device for horizontal well |
| CN105804678A (en) * | 2015-09-18 | 2016-07-27 | 中国石油化工股份有限公司 | Underground sand removing, blocking removing and backwashing device for oil-water well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |