CN209687438U - A kind of nearly well plug-removing device of high pressure cyclone - Google Patents
A kind of nearly well plug-removing device of high pressure cyclone Download PDFInfo
- Publication number
- CN209687438U CN209687438U CN201920368532.9U CN201920368532U CN209687438U CN 209687438 U CN209687438 U CN 209687438U CN 201920368532 U CN201920368532 U CN 201920368532U CN 209687438 U CN209687438 U CN 209687438U
- Authority
- CN
- China
- Prior art keywords
- high pressure
- tube body
- pressure cyclone
- packer
- removing device
- 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.)
- Active
Links
Landscapes
- Cyclones (AREA)
Abstract
The utility model discloses a kind of nearly well plug-removing devices of high pressure cyclone, are related to underground plug-removing device technical field.The utility model includes high pressure cyclone generator, connector and unidirectional liquid feed valve；High pressure cyclone generator has fixing end and can be connected to connector by the first packer relative to the movable end of fixed end rotation, the fixing end of high pressure cyclone generator, and the movable end of high pressure cyclone generator is connected to unidirectional liquid feed valve by the second packer；The packer barrier blocking well section of high pressure cyclone generator both ends setting and non-blocking well section.The utility model obstructs the packer of hypertonic well section and hypotonic well section in the setting of high pressure cyclone generator both ends, and high pressure cyclone generator is efficiently acted at blocking, improves efficiency and success rate.
Description
Technical field
The utility model relates to underground plug-removing device technical field, the nearly well plug-removing device of especially a kind of high pressure cyclone.
Background technique
In drilling process, since drilling mud causes pay interval to pollute than great, mud and its filtrate are poured into stratum, draw
Clay swell is played, reservoir pore space is blocked, the solid matter in mud is in sleeve lining, preforation tunnel, crack wall surface etc. formation
Mud cake, to reduce reservoir permeability.The underground plug-removing device of conventional squeezing de-plugging treatment fluid is only simply handled de-plugging
Liquid is injected on shaft wall, and de-plugging treatment fluid largely enters unplugged hypertonic well section, to there is the hypotonic of blockage problem
Well section de-plugging effect is limited, this causes the working efficiency of plug-removing device and de-plugging success rate under existing well low.
Summary of the invention
The purpose of utility model of the utility model is: working efficiency and de-plugging for plug-removing device under existing well at
The low problem of power, the utility model proposes a kind of nearly well plug-removing devices of high pressure cyclone, are arranged at high pressure cyclone generator both ends
The packer for obstructing hypertonic well section Yu hypotonic well section acts on high pressure cyclone generator efficiently at blocking, improves effect
Rate and success rate.
The technical solution adopted in the utility model is as follows:
A kind of nearly well plug-removing device of high pressure cyclone, it is characterised in that: including high pressure cyclone generator, connector and unidirectionally into
Liquid valve；The high pressure cyclone generator has fixing end and can occur relative to the movable end of fixed end rotation, the high pressure cyclone
The fixing end of device is connected to the connector by the first packer, and the movable end of the high pressure cyclone generator passes through the second packing
Device is connected to the unidirectional liquid feed valve；The packer barrier blocking well section of high pressure cyclone generator both ends setting and non-blocking well
Section.
Further, state high pressure cyclone generator include can relative rotation and flexible interior tube body and outer tube body, it is described in
Tube body is socketed in outer tube body；It is provided with closed spray chamber between said inner tube body and outer tube body, is opened up on said inner tube body
There is the inlet of connection spray chamber, the nozzle of connection spray chamber is provided on the outer tube body.
Further, the card edge of said inner tube body upper end setting outward bending, the card edge forms sliding limit chamber, described
Outer tube body upper end is provided with the flange of evagination, and the flange is connected in the sliding limit chamber.
Further, the stop collar of upper end abutment flange, the stop collar and card edge are provided in the sliding limit chamber
It is fixed or separated by shear pin.
Further, the inlet outer rim is provided with outer lug, and the outer tube body inner wall is provided with internal projection, it is described into
Liquid mouth is selectively connected to the spray chamber with the cooperation of internal projection by outer lug.
Further, the nozzle is around the outer tube body axis helical arrangement；The injection direction of the nozzle and tangent line side
It is arranged in oblique angle.
Further, the controller of control outer tube body rotary rpm is provided between the outer tube body and interior tube body.
Further, the first centralizer is provided between the connector and the first packer；The unidirectional liquid feed valve with
The second centralizer is provided between second packer.
Further, first packer and the second packer are hydraulic expanding packer.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are: height of the utility model
The nearly well plug-removing device of pressure eddy flow can wash away blocking using high pressure cyclone for the well section injection high pressure de-plugging treatment fluid for occurring blocking
Object and mud cake mix tamper and mud cake with mud, and the drilling rod for connecting extraction device passes through the nearly well de-plugging dress of high pressure cyclone again
It sets and the mud for mixing tamper, mud cake is taken away into pit shaft, working efficiency and success rate are substantially improved, especially for perforation
The nearly well plugging problem such as eyelet and sleeve blocking has the effect of excellent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the nearly well plug-removing device of the utility model high pressure cyclone；
Fig. 2 is the enlarged diagram of A in the utility model Fig. 2；
Structural schematic diagram when Fig. 3 is the nearly well plug-removing device de-plugging of the utility model high pressure cyclone；
Fig. 4 is the enlarged diagram of B in the utility model Fig. 4；
Structural schematic diagram when Fig. 5 is the nearly well plug-removing device drain of the utility model high pressure cyclone；
Fig. 6 is the enlarged diagram of C in the utility model Fig. 5；
Marked in the figure: 1- high pressure cyclone generator；2- connector；The unidirectional liquid feed valve of 3-；The first packer of 4-；The second envelope of 5-
Every device；The first centralizer of 6-；The second centralizer of 7-；8- sleeve；9- preforation tunnel；10- oil reservoirs；101- interior tube body；Outside 102-
Tube body；103- spray chamber；104- inlet；105- nozzle；106- card edge；107- flange；108- slides limit chamber；109- limit
Ring；110- shear pin；111- outer lug；112- internal projection.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The nearly well plug-removing device of the high pressure cyclone according to disclosed in the present embodiment, as shown in Figs. 1-2, including the connection being sequentially communicated
Part 2, the first packer 4, high pressure cyclone generator 1 and unidirectional liquid feed valve 3.
In the present embodiment, high pressure cyclone generator 1 has can relative rotation and flexible fixing end and movable end, fixing end
It is fixedly connected with the first packer 4, movable end is rotatably coupled with the second packer 5, the setting of 1 both ends of high pressure cyclone generator
Packer barrier blocking well section and non-blocking well section.During de-plugging, the movable end of high pressure cyclone generator 1 is relatively fixed
End rotation is to make the rotating-spray of de-plugging treatment fluid on pit shaft, preforation tunnel 9 and crack.
In the present embodiment, high pressure cyclone generator 1 include can relative rotation and flexible interior tube body 101 and outer tube body 102,
Interior tube body 101 is socketed in outer tube body 102；Closed spray chamber 103, interior tube body are formed between interior tube body 101 and outer tube body 102
What is opened up on 101 is connected to the inlet 104 of 101 lumen of interior tube body and spray chamber 103, and connection injection is provided on outer tube body 102
Several nozzles 105 of chamber 103.Preferably, axis helical arrangement of several nozzles 105 around outer tube body 102；The injection of nozzle 105
Direction and its tangential direction are arranged in oblique angle, and the propulsive thrust of 105 angular injection of nozzle makes outer tube body 102 with respect to interior tube body 101
Rotation.
In the present embodiment, 1 fixing end of high pressure cyclone generator, i.e. 101 upper end of interior tube body are provided with the card edge of outer bending
106, card edge 106 forms sliding limit chamber 108, and the flange 107 for the evagination that 102 upper end of outer tube body is arranged is connected to sliding limit
In chamber 108, card edge 106 can slide up and down in sliding limit chamber 108；It is convex that upper end abutting is provided in sliding limit chamber 108
The stop collar 109 of edge 107, stop collar 109 and card edge 106 are fixed or separated by shear pin 110, when stop collar 109 is to cutting
When cutting the pressure of the application of pin 110 greater than threshold value, stop collar 109 cuts shear pin 110, and the card edge 106 of outer tube body 102 is being drawn
Power effect is lower to drive stop collar 109 to slide, and stretches out outer tube body 102.
In the present embodiment, 104 outer rim of inlet is provided with outer lug 111, and 102 inner wall of outer tube body is provided with internal projection
112, inlet 104 is selectively connected to spray chamber 103 with the cooperation of internal projection 112 by outer lug 111.When outer tube body 102 with
When 101 relative constriction of interior tube body, outer lug 111 is separated with internal projection 112, and inlet 104 is connected to 101 lumen of interior tube body and injection
Chamber 103；When outer tube body 102 and 101 relative extension of interior tube body, outer lug 111 is abutted with internal projection 112, and then obstructs inner tube
101 lumen of body and spray chamber 103 release the connection effect of inlet 104.
In the present embodiment, it is preferred that be provided with control 102 rotary rpm of outer tube body between outer tube body 102 and interior tube body 101
Controller, controller limiting the control of the revolving speed of outer tube body 102 in range, prevents 102 revolving speed of outer tube body is too fast from causing to spray
The jet-action of mouth 105 weakens；The first centralizer 6 is provided between connector 2 and the first packer 4；Unidirectional liquid feed valve 3 and the
The second centralizer 7 is provided between two packers 5.Controller is limiting the revolving speed control of outer tube body 102 in range, prevents outer
The too fast jet-action for leading to nozzle 105 of 102 revolving speed of tube body weakens, and two centralizers can make the nearly well plug-removing device of high pressure cyclone
Always it is in the shaft core position of pit shaft, two packers of borehole wall frequent impact is prevented, leads to its premature setting.
In the present embodiment, it is preferred that the first packer 4 and the second packer 5 are hydraulic expanding packer.
The working principle of the present embodiment are as follows: for the nearly well plug-removing device of high pressure cyclone by 2 jointed rod of connector, drilling rod will be high
The nearly well plug-removing device of pressure eddy flow is delivered to blocking well section along pit shaft, is made by the pressure that hydraulic setting or mechanical setting tool generate
The packing element Expansion sealing of first packer 4 and the second packer 5 is to complete to set, and the first packer 4 and the second packer 5 are by mesh
The non-blocking well section barrier adjacent with two sides of mark blocking well section is opened；Drilling rod is handled to the nearly well plug-removing device conveying de-plugging of high pressure cyclone
Liquid, the circulating direction of de-plugging treatment fluid is the cut-off direction of unidirectional liquid feed valve 3 at this time, and de-plugging treatment fluid is entered by inlet 104
Spray chamber 103, and be injected on shaft wall and preforation tunnel 9 via nozzle 105 and wash away tamper and mud cake；De-plugging finishes
Afterwards, drilling rod drives the nearly well plug-removing device of high pressure cyclone to lift upwards, unseals the first packer 4 and the second packer 5, meanwhile,
The stop collar 109 of high-speed rotational generator cuts shear pin 110 under pressure, loses the position-limiting action of stop collar 109,
The outer tube body 102 of high-speed rotational generator glides with respect to interior tube body 101, and internal projection 112 abuts with outer lug 111 and blocks feed liquor
Mouth 104, barrier 101 lumen of interior tube body and spray chamber 103；First packer 4 and 5 solution of the second packer are honored as a queen, and drilling rod passes through height
The nearly well plug-removing device of pressure eddy flow extracts the mixing liquid of mixing tamper, mud cake, mud, the at this time flowing of mixing liquid to the ground
Direction is the conducting direction of unidirectional liquid feed valve 3, and mixing liquid enters the nearly well de-plugging of high pressure cyclone by the import of unidirectional liquid feed valve 3
Device inner cavity passes through drilling rod in turn and extracts to ground, prevents de-plugging well section from occurring blockage problem again.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of nearly well plug-removing device of high pressure cyclone, it is characterised in that: including high pressure cyclone generator (1), connector (2) and single
To liquid feed valve (3)；The high pressure cyclone generator (1) has fixing end and can be relative to the movable end of fixed end rotation, the height
The fixing end of rotational flow generator (1) is pressed to be connected to the connector (2), the high pressure cyclone generator by the first packer (4)
(1) movable end is connected to the unidirectional liquid feed valve (3) by the second packer (5)；High pressure cyclone generator (1) both ends are set
The packer barrier blocking well section set and non-blocking well section.
2. the nearly well plug-removing device of high pressure cyclone as described in claim 1, which is characterized in that the high pressure cyclone generator (1)
Including can relative rotation and flexible interior tube body (101) and outer tube body (102), said inner tube body (101) be socketed in outer tube body
(102) in；Closed spray chamber (103), said inner tube body are provided between said inner tube body (101) and outer tube body (102)
(101) inlet (104) of connection spray chamber (103) is offered on, is provided with connection spray chamber on the outer tube body (102)
(103) nozzle (105).
3. the nearly well plug-removing device of high pressure cyclone as claimed in claim 2, which is characterized in that said inner tube body (101) upper end is set
The card edge (106) of outward bending is set, the card edge (106) forms sliding limit chamber (108), and outer tube body (102) upper end is set
It is equipped with the flange (107) of evagination, the flange (107) is connected in the sliding limit chamber (108).
4. the nearly well plug-removing device of high pressure cyclone as claimed in claim 3, which is characterized in that in the sliding limit chamber (108)
It is provided with the stop collar (109) of upper end abutment flange (107), the stop collar (109) and card edge (106) pass through shear pin
(110) it fixes or separates.
5. the nearly well plug-removing device of high pressure cyclone as claimed in claim 4, which is characterized in that inlet (104) outer rim is set
It is equipped with outer lug (111), outer tube body (102) inner wall is provided with internal projection (112), and the inlet (104) passes through evagination
It plays (111) and is selectively connected to the spray chamber (103) with the cooperation of internal projection (112).
6. such as the nearly well plug-removing device of the described in any item high pressure cyclones of claim 2-5, which is characterized in that the nozzle (105)
Around the outer tube body (102) axis helical arrangement；The injection direction and tangential direction of the nozzle (105) are arranged in oblique angle.
7. such as the nearly well plug-removing device of the described in any item high pressure cyclones of claim 2-5, which is characterized in that the outer tube body
(102) controller of control outer tube body (102) rotary rpm is provided between interior tube body (101).
8. the nearly well plug-removing device of high pressure cyclone as described in any one in claim 1-5, which is characterized in that the connector (2)
The first centralizer (6) are provided between the first packer (4)；It is set between the unidirectional liquid feed valve (3) and the second packer (5)
It is equipped with the second centralizer (7).
9. the nearly well plug-removing device of high pressure cyclone as described in any one in claim 1-5, which is characterized in that first packer
(4) and the second packer (5) is hydraulic expanding packer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920368532.9U CN209687438U (en) | 2019-03-22 | 2019-03-22 | A kind of nearly well plug-removing device of high pressure cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920368532.9U CN209687438U (en) | 2019-03-22 | 2019-03-22 | A kind of nearly well plug-removing device of high pressure cyclone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209687438U true CN209687438U (en) | 2019-11-26 |
Family
ID=68605652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920368532.9U Active CN209687438U (en) | 2019-03-22 | 2019-03-22 | A kind of nearly well plug-removing device of high pressure cyclone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209687438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107441A (en) * | 2021-05-12 | 2021-07-13 | 大庆辰平钻井技术服务有限公司 | Drainage-assisting and energy-increasing effect-improving method for open hole oil layer of ultra-short radius horizontal well |
| CN115613981A (en) * | 2022-12-15 | 2023-01-17 | 山东成林石油工程技术有限公司 | Downhole jet flow blockage removing pipe column |
-
2019
- 2019-03-22 CN CN201920368532.9U patent/CN209687438U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107441A (en) * | 2021-05-12 | 2021-07-13 | 大庆辰平钻井技术服务有限公司 | Drainage-assisting and energy-increasing effect-improving method for open hole oil layer of ultra-short radius horizontal well |
| CN113107441B (en) * | 2021-05-12 | 2022-09-23 | 大庆辰平钻井技术服务有限公司 | Drainage-assisting and energy-increasing effect-improving method for open hole oil layer of ultra-short radius horizontal well |
| CN115613981A (en) * | 2022-12-15 | 2023-01-17 | 山东成林石油工程技术有限公司 | Downhole jet flow blockage removing pipe column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209687438U (en) | A kind of nearly well plug-removing device of high pressure cyclone | |
| CN100513734C (en) | Method and system of injecting a fluid into a borehole ahead of the bit | |
| EP1027525B1 (en) | An apparatus for the removal of sand in an underwater well and use of a jet pump (ejector) in connection with such sand removal | |
| CN104612624B (en) | Degradable bridging plug, timing sliding sleeve, fracturing strings and stratum staged fracturing method | |
| CA2931422C (en) | Drillable and resettable wellbore obstruction-clearing tool | |
| US2771141A (en) | Jet wall cleaner | |
| CN104405311B (en) | A kind of high-efficiency self formula horizontal well hydraulic sand washing instrument | |
| CN206267815U (en) | Drilling type continuous sand flushing device | |
| CN106437570A (en) | Drilling type continuous sand blasting device | |
| CN104295238B (en) | Abrasive water-jet radial bore device | |
| CN107060702B (en) | A kind of coupling type underground throttle device | |
| EA029636B1 (en) | Method for combined cleaning and plugging in a well and a flushing tool for flushing in a well | |
| CN107013170B (en) | A kind of hydraulic rotary guide shoe | |
| CN206429233U (en) | A kind of open hole packer fracturing string of use anti-sticking ball fracturing valve | |
| CN104169514A (en) | Drill bit for use in boring wellbore and subterranean fracturing | |
| CN111021964A (en) | Down-the-hole hammer reverse circulation follow pipe drill bit suitable for large-diameter drilling | |
| CN202560130U (en) | Rotary jet-flow well flushing device | |
| CN113914818A (en) | Secondary grouting repair method for gas extraction failure drilling and hole sealing section | |
| CN111005693A (en) | Underground rotational flow blockage removing tool | |
| CN201372772Y (en) | High pressure water-jet combination tool for ultra-short radius radial horizontal well | |
| RU2720038C1 (en) | Method of cork destruction in well | |
| CN106930712A (en) | Integrated window-opening side-drilling tool | |
| CN204041042U (en) | A kind of coiled tubing drag fracturing tubing string | |
| CN112983325A (en) | Horizontal well blockage removal and yield increase integrated process and system | |
| CN106285563A (en) | Wall method scraped by wall scraper and well-flushing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |