CN208534434U - Uniform jet de-plugging fills integral process tubing string - Google Patents
Uniform jet de-plugging fills integral process tubing string Download PDFInfo
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- CN208534434U CN208534434U CN201821076108.9U CN201821076108U CN208534434U CN 208534434 U CN208534434 U CN 208534434U CN 201821076108 U CN201821076108 U CN 201821076108U CN 208534434 U CN208534434 U CN 208534434U
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Abstract
The utility model discloses Uniform jet de-pluggings to fill integral process tubing string, and wherein tubing string includes that Uniform jet de-plugging fills outer tubing string and interior tubing string.Wherein, outer tubing string includes sequentially connected oil pipe, the double wall outer tube of liquid stream double wall crossover tool, differential choked flow packer, jet stream deblocking tool from top to bottom.Interior tubing string includes tool in double wall inner tube, interior filling pipe and the acid cleaning filling of liquid stream double wall crossover tool.The Uniform jet de-plugging fills outer tubing string and interior tubing string is attached by liquid stream double wall crossover tool, and G.I.H, can form annular space between inside and outside tubing string, provides fluid course for pickling, extrusion cycle filling.The uniform pickling de-plugging of screen casing jet stream, nearly well and extruding, the construction of flow pack sand control that one-trip string completes horizontal well long well section may be implemented in the process pipe string.
Description
Technical field
The utility model relates to de-pluggings to fill integral process field, specifically Uniform jet de-plugging filling integration
Process pipe string.
Background technique
During the complete well screen insertion of open-hole horizontal well, mud blocking easily occurs for screen casing, and existing pickling technology cannot be real
Now to the uniform de-plugging of sieve and the uniform acid distribution of long well section, closely well and screen casing blocking after sieve tube completion is caused to release and be not thorough,
Influence the percolation ability and fluid supply capacity of later period oil well.In order to solve the problems, such as that such mostly uses secondary running string to carry out naked eye sieve
The construction of pipe gravel filling sand prevention, further releases formation blockage.In order to simplify process, pickling effect is improved, has developed and uniformly penetrates
It flows de-plugging and fills integral process tubing string, solving conventional pickling, there are technical problems, realize naked eye sieve tube completion acidification solution
Stifled filling integrated construction.
Application number: 201020175850.2, publication date 2011-01-12 discloses continuous jet blockage-removing string for horizontal wells, answers
For horizontal well solid jet sand removal de-plugging.It is fixed with self-sealing blowout preventer on the well head of ground, in casing and in self-sealing well
The lower suspension of device has seal operation cylinder.Annular space between flushing fluid import connection casing and seal operation cylinder.It is sealing
Tripping in oil pipe in seating nipple, flushing fluid export the annular space between connection oil pipe and seal operation cylinder.In each oil pipe
Upper end connects a backwash valve.Backwash valve is in seal operation cylinder.Well is connected in the oil pipe lower part of connection backwash valve
Cylinder liquid stream converter.It is connected with oil pipe in the lower end of well liquid stream transformer, the lower end of oil pipe is connected with rotating jet well-washing device.
Effect is: being able to achieve horizontal well continuous sand flushing de-plugging, the not termination of pumping when lengthening oil pipe and moving forward rotating jet well-washing device.
But technology disclosed above, the technical issues of specific technical solution, solving, the part such as technical effect and this
Application has the difference of essence, although rotating jet well-washing device technological means is utilized, as device itself, and all portions of the application
The connection relationship of part can make the uniform acid distribution for realizing oil reservoir, and can wash away to tamper, it is ensured that good de-plugging
Effect.It more importantly can also the construction of flow pack sand control.The prior art can't resolve the above problem, and the prior art does not have yet
Technical inspiration.
Utility model content
The purpose of this utility model is to provide Uniform jet de-pluggings to fill integral process tubing string, which can be with
Realize that one-trip string completes the uniform pickling de-plugging of screen casing jet stream, nearly well of horizontal well long well section and extruding, flow pack sand control are applied
Work, it is ensured that the good plugging removal effect of naked eye horizontal segment gives full play to the production capacity of open-hole horizontal well, reaches optimal sand control production effect
Fruit；Meanwhile the tubing string simplifies working procedure, substantially increases construction efficiency and construction success rate by optimizing structure design,
Operating cost is reduced, the sand proof well service life is extended.
In order to achieve the above objectives, the utility model uses following technical solution, Uniform jet de-plugging filling integration
Process pipe string, including Uniform jet de-plugging fills outer tubing string and Uniform jet de-plugging fills interior tubing string, the Uniform jet de-plugging
Filling outer tubing string includes that sequentially connected oil pipe, the double wall outer tube of liquid stream double wall crossover tool, differential choked flow from top to bottom are sealed
Every device, jet stream deblocking tool, it includes that sequentially connected liquid stream double wall from top to bottom turns that the Uniform jet de-plugging, which fills interior tubing string,
Change the double wall inner tube of tool, interior filling pipe, bottom acid cleaning filling tool acid cleaning filling in tool；The oil pipe and liquid stream double wall
The top connection of crossover tool is threadedly coupled, and the lower contact of liquid stream double wall crossover tool and the choked flow of differential choked flow packer are sealed up
Connector be connected, the lower contact of differential choked flow packer is connected with the box cupling of jet stream deblocking tool, the interior filling pipe top and
The double wall inner tube of liquid stream double wall crossover tool is connected, and interior filling pipe is applied in differential choked flow packer, in jet stream deblocking tool
Portion, interior filling pipe lower part are connected with tool in the acid cleaning filling of bottom acid cleaning filling tool, the interior filling pipe and cover in outside
Differential choked flow packer, jet stream deblocking tool be respectively formed annular space, the variable buckle that the bottom acid cleaning filling tool passes through itself
Connector is connected with external screen casing.
The differential choked flow packer, jet stream deblocking tool are to be spaced apart from each other setting, and quantity presses the length of oil reservoir well section
Degree is configured.
The liquid stream double wall crossover tool includes double wall outer tube and double wall inner tube, and the double wall outer tube includes top connection, hangs
Hanging device, double wall inner tube, upper baffle ring one, upper baffle ring two, support ring one, leather cup one, pressure cap one, support ring two, leather cup two, pressure cap
Two, lower contact, centralizer；Wherein, hanger is equipped with inlet opening, and liquid stream double wall crossover tool top passes through top connection and oil pipe
It being threadedly coupled, the hanger is tubular structure, and the hanger is located at outside double wall inner tube, and forms annular space between the two,
Hanger and double wall upper end of inner tube are all connected with top connection, suit leather cup one, leather cup two outside the hanger, in the leather cup one
Wall is fixed on hanger by support frame one, and two inner wall of leather cup is fixed on hanger by support frame two, leather cup one
Pressure cap one is installed in bottom end, and pressure cap two is installed in two lower end of leather cup, and one upper end of support frame connects support ring one, support frame two
Upper end connects support ring two, and the hangar wall is also set with upper baffle ring one arranged side by side, upper baffle ring two, upper baffle ring one, upper baffle ring
Two are blocked in one upper end of support ring, and the hanger lower end connects lower contact, and centralizer is arranged in lower contact outer wall.
The differential choked flow packer includes that connector, choked flow envelope upper attachment, choked flow envelope inner tube, choked flow are sealed up in choked flow
Portion's pin, choked flow envelope spring, choked flow envelope fixed ring, choked flow are sealed up in strip of paper used for sealing bowl, choked flow envelope support frame, choked flow envelope pressure cap, choked flow
Lower attachment, choked flow envelope lower pin, choked flow envelope lower contact are sealed, choked flow is sealed up to be connect under connector and liquid stream double wall crossover tool
Head is connected through a screw thread, and connector is sealed up in the choked flow envelope upper end of inner tube connection choked flow, and lower end connects choked flow and seals lower contact, the resistance
Stream seals suit choked flow outside inner tube and seals spring, choked flow strip of paper used for sealing bowl, and the choked flow strip of paper used for sealing bowl inner wall seals support frame by choked flow and consolidates
It is scheduled on outside choked flow envelope inner tube, choked flow seals the connection choked flow of support frame upper end and seals upper attachment, the choked flow strip of paper used for sealing bowl lower end
Choked flow is installed and seals pressure cap, choked flow envelope pressure cap is sealed up portion's pin by choked flow and is fixed on choked flow envelope support frame, the choked flow envelope
Spring upper end withstands on choked flow envelope pressure cap lower end, and choked flow envelope lower spring end is withstood in choked flow envelope fixed ring, and fixed ring lower end is sealed in choked flow
It withstands on choked flow envelope lower attachment, choked flow is sealed lower attachment and is fixed on outside choked flow envelope lower contact by choked flow envelope lower pin
Wall.
The jet stream deblocking tool includes box cupling, ontology, nozzle, sealing device, under box cupling and differential choked flow packer
Joint screw thread connection, ontology upper end connection coupling, ontology open up radial nozzles, and the jet stream deblocking tool is long according to oil reservoir
Degree setting is several, and is connected with each other with differential choked flow packer, is used cooperatively, and the jet stream deblocking tool of only lowest part
Sealing device is just set, which is mounted on inner body wall.
The bottom acid cleaning filling tool includes tool in the outer tubing string of acid cleaning filling and acid cleaning filling, outside the acid cleaning filling
Tubing string include variable buckle connector, the outer tool of acid cleaning filling, acid cleaning filling sliding sleeve, the outer tool of acid cleaning filling sliding sleeve, acid cleaning filling pressure cap,
Orientation spool, silk plug, in the acid cleaning filling tool upper end connect in filling pipe, lower end protrudes into the outer tool interior of acid cleaning filling,
The outer tool upper end of the acid cleaning filling connects variable buckle connector, and lower end connects the outer tool of acid cleaning filling sliding sleeve, outside the acid cleaning filling
Tool inner wall and the outer tool inner wall of acid cleaning filling sliding sleeve are set with acid cleaning filling sliding sleeve, and acid cleaning filling sliding sleeve is to tool outside acid cleaning filling
The radial hole opened up is blocked, and the outer tool lower end of the acid cleaning filling sliding sleeve connects acid cleaning filling pressure cap, acid cleaning filling pressure cap
Lower end connects silk plug, and the setting of acid cleaning filling pressure cap inner wall is used to limit the orientation spool of tool downlink in acid cleaning filling, and pickling is filled
It fills out interior tool and opens up radial liquid stream mouth one, the acid cleaning filling pressure cap opens up radial liquid stream mouth two, variable buckle connector and outside
Screen casing be connected.
The utility model has the advantages that compared with prior art
The tubing string mainly includes that Uniform jet de-plugging fills tubing string in outer tubing string and Uniform jet de-plugging filling.Wherein,
Even jet stream de-plugging fill outer tubing string include from top to bottom sequentially connected oil pipe, liquid stream double wall crossover tool double wall outer tube, press
Differential choked flow packer, jet stream deblocking tool.Uniform jet de-plugging fills the double wall that interior tubing string includes liquid stream double wall crossover tool
Inner tube, 23/8Tool in filling pipe and acid cleaning filling in.Uniform jet de-plugging fills the number of the jet stream deblocking tool on outer tubing string
Amount need to be determined according to the length of sieve tube segment.The invention has the advantages that
(1) realize that one-trip string completes the uniform pickling de-plugging of screen casing jet stream, nearly well and extruding, circulation of horizontal well long well section
Filling anti-sand construction.(2) process pipe string is equipped with several jet stream deblocking tools, can be realized the uniform of oil reservoir by optimization design
Cloth acid, and tamper can be washed away, it is ensured that good plugging removal effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the de-plugging of the utility model Uniform jet fills integral process tubing string；
In figure: liquid stream double wall crossover tool 1, differential choked flow packer 2, jet stream deblocking tool 3, interior filling pipe 4, bottom
Acid cleaning filling tool 5, open-hole annulus 6, cement sheath 7, casing 8, oil pipe 9.
Fig. 2 is the cross-sectional view of the structure of liquid stream double wall crossover tool；
In figure: top connection 102, hanger 103, double wall inner tube 104, inlet opening 105, upper baffle ring 1, upper baffle ring two
107, support ring 1, leather cup 109, support frame 1, pressure cap 1, support ring 2 112, leather cup 2 113, support rib
Frame 2 114, pressure cap 2 115, lower contact 116, centralizer 117.
Fig. 3 is the structure sectional view of differential choked flow packer；
In figure: choked flow seal up connector 201, choked flow envelope upper attachment 202, choked flow envelope inner tube 203, choked flow strip of paper used for sealing bowl 204,
Portion's pin 207, choked flow envelope spring 208, choked flow envelope fixed ring are sealed up in choked flow envelope support frame 205, choked flow envelope pressure cap 206, choked flow
209, lower contact 212 is sealed in choked flow envelope lower attachment 210, choked flow envelope lower pin 211, choked flow.
Fig. 4 is the structure sectional view of jet stream deblocking tool；
In figure: box cupling 301, ontology 302, nozzle 303, sealing device 304.
Fig. 5 is the structure sectional view of bottom acid cleaning filling tool；
In figure: tool 401, liquid stream mouth 1, variable buckle connector 404, acid cleaning filling outer tool 405, pickling in acid cleaning filling
Fill sliding sleeve 406, acid cleaning filling sliding sleeve outer tool 408, liquid stream mouth 2 407, acid cleaning filling pressure cap 409, orientation spool 410, silk
Stifled 411.
Specific embodiment
Detailed description and technology contents in relation to the utility model, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to
With purposes of discussion, not it is used to limit the utility model.
According to Fig. 1 to Fig. 5, Uniform jet de-plugging fills integral process tubing string, including Uniform jet de-plugging fills outer tube
Column and Uniform jet de-plugging fill interior tubing string, and the Uniform jet de-plugging fills outer tubing string and includes sequentially connected oil from top to bottom
Pipe 9, the double wall outer tube of liquid stream double wall crossover tool, differential choked flow packer 2, jet stream deblocking tool 3, the Uniform jet solution
Tubing string includes that the double wall inner tube of sequentially connected liquid stream double wall crossover tool, interior filling pipe 4, bottom are sour from top to bottom in stifled filling
Wash tool in the acid cleaning filling of packing tool；The oil pipe is threadedly coupled with the top connection of liquid stream double wall crossover tool, liquid stream folder
The lower contact of wall crossover tool seals up connector with the choked flow of differential choked flow packer and is connected, and connects under differential choked flow packer
Head is connected with the box cupling of jet stream deblocking tool, and the interior filling pipe top is connected with the double wall inner tube of liquid stream double wall crossover tool,
Interior filling pipe is applied in differential choked flow packer, inside jet stream deblocking tool, interior filling pipe lower part and bottom acid cleaning filling work
Tool is connected in the acid cleaning filling of tool, the interior filling pipe with cover in external differential choked flow packer, jet stream deblocking tool
It is respectively formed annular space, the bottom acid cleaning filling tool is connected by the variable buckle connector of itself with external screen casing.
The differential choked flow packer 2, jet stream deblocking tool 3 are to be spaced apart from each other setting, and quantity is by oil reservoir well section
Length is configured.That is the differential choked flow packer 2, jet stream deblocking tool 3 constitute a minimum list after connecting
Element module, this unit module can be 2 or 3 or more of one or concatenation.
The liquid stream double wall crossover tool includes double wall outer tube and double wall inner tube 104, and the double wall outer tube includes top connection
102, hanger 103, double wall inner tube 104, upper baffle ring 1, upper baffle ring 2 107, support ring 1, leather cup 1, support
Skeleton 110, support ring 2 112, leather cup 2 113, support frame 2 114, pressure cap 2 115, lower contact 116, is helped pressure cap 1
Positive device 117；Wherein, hanger is equipped with inlet opening 105, and liquid stream double wall crossover tool top is connected by top connection and tubing round thread
It connecing, the hanger 103 is tubular structure, and the hanger 103 is located at outside double wall inner tube, and forms annular space between the two,
Hanger and double wall upper end of inner tube are all connected with top connection, are set with leather cup 1, leather cup 2 113, institute outside the hanger 103
It states one inner wall of leather cup to be fixed on hanger by support frame one, two inner wall of leather cup is fixed on hanger by support frame two
On, pressure cap 1 is installed in one bottom end of leather cup, and pressure cap 2 115, one upper end of the support frame connection support are installed in two lower end of leather cup
Ring 1, two upper end of support frame connect support ring 2 112, and 103 outer wall of hanger is also set with upper baffle ring one arranged side by side
106, upper baffle ring 2 107, upper baffle ring one, upper baffle ring two are blocked in one upper end of support ring, and the hanger lower end connects lower contact
116, centralizer 117 is arranged in lower contact outer wall.
The differential choked flow packer includes that connector 201 is sealed up in choked flow, upper attachment 202 is sealed in choked flow, in choked flow envelope
Portion's pin 207, choked flow envelope are sealed up in pipe 203, choked flow strip of paper used for sealing bowl 204, choked flow envelope support frame 205, choked flow envelope pressure cap 206, choked flow
Lower contact is sealed in spring 208, choked flow envelope fixed ring 209, choked flow envelope lower attachment 210, choked flow envelope lower pin 211, choked flow
212, the lower contact that connector and liquid stream double wall crossover tool are sealed up in choked flow is connected through a screw thread, the choked flow envelope upper end of inner tube connection
Connector is sealed up in choked flow, and lower end connects choked flow and seals lower contact, and spring, choked flow strip of paper used for sealing are sealed in suit choked flow outside the choked flow envelope inner tube
Bowl, the choked flow strip of paper used for sealing bowl inner wall seal support frame by choked flow and are fixed on outside choked flow envelope inner tube, and choked flow is sealed on support frame
Upper attachment is sealed in end connection choked flow, and pressure cap is sealed in the choked flow strip of paper used for sealing bowl lower end installation choked flow, and choked flow is sealed pressure cap and sealed by choked flow
Top pin is fixed on choked flow envelope support frame, and the choked flow envelope spring upper end withstands on choked flow envelope pressure cap lower end, and bullet is sealed in choked flow
Spring lower end is withstood in choked flow envelope fixed ring, and choked flow envelope fixed ring lower end is withstood on choked flow envelope lower attachment, and choked flow is sealed lower part and connected
Fitting seals lower pin by choked flow and is fixed on choked flow envelope lower contact outer wall.
The jet stream deblocking tool includes box cupling 301, ontology 302, nozzle 303, sealing device 304, box cupling with it is differential
Choked flow packer lower contact is threadedly coupled, and ontology upper end connection coupling, ontology opens up radial nozzles, the jet stream de-plugging work
Tool is arranged several according to oil reservoir length, and is connected with each other, is used cooperatively, and only lowest part with differential choked flow packer
Sealing device is just arranged in jet stream deblocking tool, which is mounted on inner body wall.
The bottom acid cleaning filling tool includes tool 401 in the outer tubing string of acid cleaning filling and acid cleaning filling, and the pickling is filled
Filling out outer tubing string includes variable buckle connector 404, the outer tool 405 of acid cleaning filling, acid cleaning filling sliding sleeve 406, the outer tool of acid cleaning filling sliding sleeve
408, acid cleaning filling pressure cap 409, orientation spool 410, silk plug 411, in the acid cleaning filling tool upper end connect in filling pipe, under
The outer tool interior of acid cleaning filling is protruded at end, and the outer tool upper end of the acid cleaning filling connects variable buckle connector, and lower end connects acid cleaning filling
The outer tool of sliding sleeve, outer 405 inner wall of tool of the acid cleaning filling and the outer tool inner wall of acid cleaning filling sliding sleeve are set with acid cleaning filling sliding sleeve
406, the radial hole that acid cleaning filling sliding sleeve opens up tool outside acid cleaning filling blocks, under the outer tool of the acid cleaning filling sliding sleeve
End connection acid cleaning filling pressure cap 409, acid cleaning filling pressure cap lower end connect silk plug 411, and the setting of acid cleaning filling pressure cap inner wall is used to limit
The orientation spool of tool downlink in acid cleaning filling processed, tool opens up radial liquid stream mouth 1 in acid cleaning filling, and the pickling is filled
It tamps cap and opens up radial liquid stream mouth 2 407, variable buckle connector is connected with external screen casing.
The above is only the preferred embodiment of the present invention, non-the scope of the patents to limit the utility model,
He uses the equivalence changes of the utility model patent spirit, should all belong to the scope of the patents of the utility model.
Claims (6)
1. Uniform jet de-plugging fills integral process tubing string, which is characterized in that including Uniform jet de-plugging fill outer tubing string with
Uniform jet de-plugging fill in tubing string, the Uniform jet de-plugging fill outer tubing string including sequentially connected oil pipe from top to bottom,
The double wall outer tube of liquid stream double wall crossover tool, differential choked flow packer, jet stream deblocking tool, the Uniform jet de-plugging filling
Interior tubing string includes the double wall inner tube of sequentially connected liquid stream double wall crossover tool, interior filling pipe, bottom acid cleaning filling from top to bottom
Tool in the acid cleaning filling of tool；The oil pipe is threadedly coupled with the top connection of liquid stream double wall crossover tool, the conversion of liquid stream double wall
The lower contact of tool seals up connector with the choked flow of differential choked flow packer and is connected, the lower contact of differential choked flow packer with penetrate
The box cupling for flowing deblocking tool is connected, and the interior filling pipe top is connected with the double wall inner tube of liquid stream double wall crossover tool, interior filling
Pipe is applied in differential choked flow packer, inside jet stream deblocking tool, the acid of interior filling pipe lower part and bottom acid cleaning filling tool
Tool in filling is washed to be connected, the interior filling pipe with cover outside differential choked flow packer, jet stream deblocking tool is respectively formed
Annular space, the bottom acid cleaning filling tool are connected by the variable buckle connector of itself with external screen casing.
2. Uniform jet de-plugging according to claim 1 fills integral process tubing string, which is characterized in that described differential
Choked flow packer, jet stream deblocking tool are to be spaced apart from each other setting, and quantity is configured by the length of oil reservoir well section.
3. Uniform jet de-plugging according to claim 1 or 2 fills integral process tubing string, which is characterized in that the liquid
Stream double wall crossover tool includes double wall outer tube and double wall inner tube, the double wall outer tube include top connection, hanger, double wall inner tube,
Upper baffle ring one, upper baffle ring two, support ring one, leather cup one, pressure cap one, support ring two, leather cup two, pressure cap two, lower contact, righting
Device；Wherein, hanger is equipped with inlet opening, and liquid stream double wall crossover tool top is connect by top connection with tubing round thread, described
Hanger is tubular structure, and the hanger is located at outside double wall inner tube, and forms annular space between the two, in hanger and double wall
Pipe upper end is all connected with top connection, is set with leather cup one, leather cup two outside the hanger, one inner wall of leather cup passes through support frame
One is fixed on hanger, and two inner wall of leather cup is fixed on hanger by support frame two, and pressure cap one is installed in one bottom end of leather cup,
Pressure cap two is installed in two lower end of leather cup, and one upper end of support frame connects support ring one, and two upper end of support frame connects support ring
Two, the hangar wall is also set with upper baffle ring one arranged side by side, upper baffle ring two, and upper baffle ring one, upper baffle ring two are blocked in support ring
One upper end, the hanger lower end connect lower contact, and centralizer is arranged in lower contact outer wall.
4. Uniform jet de-plugging according to claim 1 or 2 fills integral process tubing string, which is characterized in that the pressure
Differential choked flow packer includes that connector, choked flow envelope upper attachment, choked flow envelope inner tube, choked flow strip of paper used for sealing bowl, choked flow envelope are sealed up in choked flow
Support frame, choked flow seal pressure cap, portion's pin is sealed up in choked flow, choked flow envelope spring, fixed ring is sealed in choked flow, lower attachment is sealed in choked flow,
Lower pin is sealed in choked flow, lower contact is sealed in choked flow, and connector is sealed up in choked flow and the lower contact of liquid stream double wall crossover tool is connected by screw thread
It connects, connector is sealed up in the choked flow envelope upper end of inner tube connection choked flow, and lower end connects choked flow and seals lower contact, and the choked flow is sealed outside inner tube
It is set with choked flow and seals spring, choked flow strip of paper used for sealing bowl, the choked flow strip of paper used for sealing bowl inner wall seals support frame by choked flow and is fixed in choked flow envelope
Outside pipe, choked flow seals the connection choked flow of support frame upper end and seals upper attachment, the choked flow strip of paper used for sealing bowl lower end installation choked flow envelope pressure
Cap, choked flow envelope pressure cap are sealed up portion's pin by choked flow and are fixed on choked flow envelope support frame, and the choked flow envelope spring upper end is withstood on
Pressure cap lower end is sealed in choked flow, and choked flow envelope lower spring end is withstood in choked flow envelope fixed ring, and choked flow envelope fixed ring lower end is withstood under choked flow envelope
On portion's connector, choked flow seals lower attachment and is fixed on choked flow envelope lower contact outer wall by choked flow envelope lower pin.
5. Uniform jet de-plugging according to claim 1 or 2 fills integral process tubing string, which is characterized in that described to penetrate
Flowing deblocking tool includes box cupling, ontology, nozzle, sealing device, and box cupling is threadedly coupled with differential choked flow packer lower contact, institute
Ontology upper end connection coupling is stated, ontology opens up radial nozzles, and the jet stream deblocking tool is several according to the setting of oil reservoir length, and with
Differential choked flow packer is connected with each other, and is used cooperatively, and sealing device is just arranged in the jet stream deblocking tool of only lowest part,
The sealing device is mounted on inner body wall.
6. Uniform jet de-plugging according to claim 1 or 2 fills integral process tubing string, which is characterized in that the bottom
Portion's acid cleaning filling tool includes tool in the outer tubing string of acid cleaning filling and acid cleaning filling, and the outer tubing string of the acid cleaning filling includes that variable buckle connects
The outer tool of head, acid cleaning filling, acid cleaning filling sliding sleeve, acid cleaning filling sliding sleeve outer tool, acid cleaning filling pressure cap, orientation spool, silk plug,
In the acid cleaning filling tool upper end connect in filling pipe, the outer tool interior of acid cleaning filling is protruded into lower end, outside the acid cleaning filling
Tool upper end connects variable buckle connector, and lower end connects the outer tool of acid cleaning filling sliding sleeve, the outer tool inner wall of the acid cleaning filling and pickling
Fill the outer tool inner wall of sliding sleeve and be set with acid cleaning filling sliding sleeve, the radial hole that acid cleaning filling sliding sleeve opens up tool outside acid cleaning filling into
Row blocks, and the outer tool lower end of the acid cleaning filling sliding sleeve connects acid cleaning filling pressure cap, and acid cleaning filling pressure cap lower end connects silk plug, acid
The orientation spool that filling pressure cap inner wall setting is used to limit tool downlink in acid cleaning filling is washed, tool opens up radial direction in acid cleaning filling
Liquid stream mouth one, the acid cleaning filling pressure cap opens up radial liquid stream mouth two, and variable buckle connector is connected with external screen casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076108.9U CN208534434U (en) | 2018-07-06 | 2018-07-06 | Uniform jet de-plugging fills integral process tubing string |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076108.9U CN208534434U (en) | 2018-07-06 | 2018-07-06 | Uniform jet de-plugging fills integral process tubing string |
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| Publication Number | Publication Date |
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| CN208534434U true CN208534434U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685622A (en) * | 2018-07-06 | 2020-01-14 | 中国石油化工股份有限公司 | Uniform jet flow blockage removal and filling integrated process pipe column and method |
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2018
- 2018-07-06 CN CN201821076108.9U patent/CN208534434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685622A (en) * | 2018-07-06 | 2020-01-14 | 中国石油化工股份有限公司 | Uniform jet flow blockage removal and filling integrated process pipe column and method |
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