CN206845123U - Dipulse sand-flushing instrument - Google Patents
Dipulse sand-flushing instrument Download PDFInfo
- Publication number
- CN206845123U CN206845123U CN201720506902.1U CN201720506902U CN206845123U CN 206845123 U CN206845123 U CN 206845123U CN 201720506902 U CN201720506902 U CN 201720506902U CN 206845123 U CN206845123 U CN 206845123U
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- CN
- China
- Prior art keywords
- hole
- limit set
- adapter sleeve
- joint adapter
- sliding sleeve
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Abstract
Dipulse sand-flushing instrument, including：Joint adapter sleeve, the top connection for opening up the first recessed limit portion, the lower contact for opening up the second recessed limit portion, upper limit set, lower limit set, shunt cylinder, sliding sleeve, the joint adapter sleeve both ends are screwed on the first recessed limit portion of the top connection, in the second of the lower contact the recessed limit portion respectively, so that the joint adapter sleeve, the top connection, the lateral wall of the lower contact are conllinear, and an accommodating cavity is formed between the joint adapter sleeve, the top connection, the lower contact；The upper limit set, the lower limit set, the shunt cylinder, the sliding sleeve may be contained within the accommodating cavity, and the shunt cylinder and the common axis of the accommodating cavity, so that the shunt cylinder both ends connect with the accommodating cavity, the shunt cylinder is entered by the accommodating cavity for liquid；Its advantage is：It is simple in construction, cleaning performance is good, efficiency high, practical, any position of drill string can be connected on and sand-flushing is carried out in drilling process.
Description
Technical field
Petroleum drilling technology field is the utility model is related to, specifically a kind of dipulse sand-flushing instrument.
Background technology
Horizontal wells technology can greatly improve well yield and oil recovery factor, expand rapidly using scale in recent years.
Due to the particularity of Horizontal Well body structure, with the progress of drillng operation, reservoir sand is easily accessible pit shaft, in wellbore bottom shape
Well is possibly even blocked into casting bed, causes equipment attrition and yield to decline.
And in the prior art, it is general to solve casting bed in pit shaft using coiled tubing sand-flushing instrument or block asking for well
Topic, but such instrument needs to carry out operation by coiled tubing, and cleaned again in tripping in pit shaft after drilling well terminates
Operation, and sand-flushing can not be carried out in drilling process, operating cost is high, poor in timeliness.
Utility model content
In order to solve above-mentioned technological deficiency, the utility model provides a kind of dipulse sand-flushing instrument, specially utilized
Shaft bottom sand plug is broken up in the effect of high speed drill well liquid in drill string, and borrows the carrying capacity returned in circulation of drilling fluid and will deposit sand grains
Carry out ground, and it is simple in construction, cleaning performance is good.
Dipulse sand-flushing instrument, including：Joint adapter sleeve, the top connection for opening up the first recessed limit portion, to open up second recessed
The lower contact in limit portion, upper limit set, lower limit set, shunt cylinder, sliding sleeve, the joint adapter sleeve both ends are screwed on institute respectively
State the first recessed limit portion of top connection, in the second of the lower contact the recessed limit portion so that the joint adapter sleeve, the top connection,
The lateral wall of the lower contact is conllinear, and it is accommodating that one is formed between the joint adapter sleeve, the top connection, the lower contact
Chamber；The upper limit set, the lower limit set, the shunt cylinder, the sliding sleeve may be contained within the accommodating cavity, and described point
Flow cartridge and the common axis of the accommodating cavity so that the shunt cylinder both ends connect with the accommodating cavity, pass through for liquid described
Accommodating cavity enters the shunt cylinder；
Upper limit set offered on the end face of the joint adapter sleeve for carry the top connection the
One limiting stand, offer the second limiting stand be arrangeding in parallel, the 3rd limiting stand on the end face of the accommodating cavity, described the
Two limiting stands are disposed in proximity to the side of the joint adapter sleeve, and the 3rd limiting stand is disposed in proximity to the one of the accommodating cavity
Side；The lower limit set is identical with the upper limit nested structure；
The sliding sleeve is arranged between the joint adapter sleeve and the shunt cylinder, and the upper limit set, the lower limit
Position set is symmetricly set in the sliding sleeve both sides so that the lower limit covers the second limiting stand put with the upper limit, the 3rd
Limiting stand carries the sliding sleeve, the shunt cylinder jointly respectively.
Dipulse sand-flushing instrument, its advantage are：By in shunt cylinder throttle step and it is upper shunting through hole, lower point
The structure design of opening, intermediate distributary through hole and through hole, joint adapter sleeve lower through-hole etc. on sliding sleeve, joint adapter sleeve so that
In the course of the work, well liquid is passed through accommodating cavity to well-flushing instrument, by the motion of sliding sleeve, borrows the carrying energy returned in circulation of drilling fluid
Power so that well liquid is sprayed by through hole, lower joint sleeve hole on joint adapter sleeve in accommodating cavity, then carries out ground by deposition sand grains
Face；And it is simple in construction, cleaning performance is good, efficiency high, practical, any position of drill string can be connected on and in drilling process
Carry out sand-flushing.
Brief description of the drawings
Fig. 1 is dipulse sand-flushing tool work structural representation；
Fig. 2 is another structural representation of dipulse sand-flushing instrument；
Fig. 3 is top connection part-structure schematic diagram；
Fig. 4 is lower contact part-structure schematic diagram；
Fig. 5 is that lower limit covers part-structure schematic diagram；
Fig. 6 shunt cylinder part-structure schematic diagrams；
Fig. 7 is sliding sleeve part-structure schematic diagram；
Wherein：
1st, joint adapter sleeve, 11, through hole on joint adapter sleeve, 12, joint adapter sleeve lower through-hole；
2nd, top connection, the 21, first recessed limit portion；
3rd, lower contact, the 31, second recessed limit portion；
4th, upper limit set, the 41, first limiting stand, the 42, second limiting stand, the 43, the 3rd limiting stand；
5th, lower limit set；
6th, shunt cylinder, 61, throttling step, 62, upper shunting through hole, 63, lower shunting through hole, 64, intermediate distributary through hole, 65, U
Type groove；
7th, sliding sleeve, 71, upper sliding sleeve through hole, 72, low sleeve through hole, 73, cavity, 74, stopper section；
8th, accommodating cavity.
Embodiment
According to Fig. 1 to Fig. 7：Dipulse sand-flushing instrument, including：Joint adapter sleeve 1, open up the first recessed limit portion 21
Top connection 2, open up the second recessed limit portion 31 lower contact 3, upper limit set 4, lower limit set 5, shunt cylinder 6, sliding sleeve 7, it is described to connect
Head adapter sleeve 1 both ends are screwed on the first recessed limit portion 21 of the top connection 2, the second of the lower contact 3 the recessed limit portion respectively
On 31 so that the joint adapter sleeve 1, the top connection 2, the lateral wall of the lower contact 3 are conllinear；And the joint adapter sleeve
1st, an accommodating cavity 8 is formed between the top connection 2, the lower contact 3；Upper limit set 4, lower limit set 5, described point
Flow cartridge 6, the sliding sleeve 7 may be contained within the accommodating cavity 8, and the shunt cylinder 6 and the common axis of the accommodating cavity 8 so that
The both ends of shunt cylinder 6 connect with the accommodating cavity 8, enter the shunt cylinder 6 by the accommodating cavity 8 for well liquid；
The upper limit set 4 is offered on the end face of the joint adapter sleeve 1 for carrying the top connection 2
First limiting stand 41, offer the second limiting stand 42, the 3rd limiting stand be arrangeding in parallel on the end face of the accommodating cavity 8
43, second limiting stand 42 is disposed in proximity to the side of the joint adapter sleeve 1, and the 3rd limiting stand 43 is disposed in proximity to
The side of the accommodating cavity 8, the lower limit set 5 are identical with the upper limit 4 structures of set；
The sliding sleeve 7 is arranged between the joint adapter sleeve 1 and the shunt cylinder 6, and the upper limit set 4, it is described
Lower limit set 5 is symmetricly set in the both sides of sliding sleeve 7 so that the lower limit set 5 and second on upper limit set 4 are spacing
Platform 42, the 3rd limiting stand 43 carry the sliding sleeve 7, the shunt cylinder 6 jointly respectively.
Preferably, it is lateral symmetry on the joint adapter sleeve 1 to be provided with 11, one groups of joints of through hole on one group of joint adapter sleeve
Adapter sleeve lower through-hole 12, it is husky to shaft bottom rock to form impact for forming the pulsing jet of batch (-type), and will by circulation of drilling fluid
Deposition sand grains carries out ground；Through hole 11 is located on the joint adapter sleeve connects close to the side of the top connection 2, the joint
Female connector lower through-hole 12 is located at close to the side of the lower contact 3；
Preferably, through hole 11, the joint adapter sleeve on the joint adapter sleeve of the same side on the joint adapter sleeve 1
Lower through-hole 12 is symmetricly set in the axis of pitch both sides of joint adapter sleeve 1.
Preferably, the second limiting stand 42 on upper limit set 4 and the second limiting stand 42 on lower limit set 5 it
Between distance be more than the sliding sleeve 7 radical length so that the sliding sleeve 7 the upper limit cover 4, the lower limit set 5 it
Between slide.
Preferably, the shunt cylinder 6 include positioned at the shunt cylinder 6 inner chamber and be radially arranged throttling step 61, lean on
Through hole 62 is shunted on nearly lateral symmetry one group opened up in the side of top connection 2, is opened close to the side of lower contact 3 is lateral symmetry
If one group under shunt through hole 63 and in described in the same side between upper shunting through hole 62, the lower shunting through hole 63
Between shunt through hole 64, the U-type groove 65 that is connected with the intermediate distributary through hole 64, the U-type groove 65 is disposed in proximity to the sliding sleeve 7
Side, the sliding sleeve 7 is installed for coordinating；
The upper shunting through hole 62, the lower shunting through hole 63, the intermediate distributary through hole 64, which are used to control, enters sand washing
The pressure of drilling fluid in well-flushing instrument；The radial direction that the radial depth of the upper shunting through hole 62 is equal to the lower shunting through hole 63 is deep
Degree, and the radial depth of the upper shunting through hole 62 is equal to the radial depth of the intermediate distributary through hole 64 and the U-type groove 65
Radial depth sum；
Further, the upper shunting through hole 62, the lower shunting through hole 63 are symmetricly set in the intermediate distributary through hole
64 both sides；The intermediate distributary through hole 64 and the common axis of pitch of the shunt cylinder 6.
Preferably, the sliding sleeve 7 is included close to the lateral symmetry one group of upper sliding sleeve through hole opened up in the side of top connection 2
71st, close to the lateral symmetry low sleeve through hole 72 opened up in the side of lower contact 3, the cavity 73 for accommodating well liquid and setting
Stopper section 74 in the cavity 73, the U-type groove 65 be located at the upper sliding sleeve through hole 71, the low sleeve through hole 72 it
Between, and the upper sliding sleeve through hole 71, the low sleeve through hole 72 connect with the cavity 73, the circulation for well liquid；It is described
Stopper section 74 is used to block through hole 11 on the joint adapter sleeve, the joint adapter sleeve lower through-hole 12；
Preferably, the upper sliding sleeve through hole 71 of the same side, the low sleeve through hole 72 are symmetricly set on the sliding sleeve 7
The axis of pitch both sides of sliding sleeve 7；
When the sliding sleeve 7 covers the movement of 5 directions to the lower limit, the stopper section 74 also covers 5 sides to the lower limit
To movement so that through hole 11 connects with the cavity 73 on the joint adapter sleeve, and the low sleeve through hole 72 with it is described under
Shunting through hole 63 connects；When the sliding sleeve 7 covers the movement of 4 directions to the upper limit, the stopper section 74 is also to the upper limit
Position 4 directions of set movement so that the joint adapter sleeve lower through-hole 12 connects with the cavity 73, the upper sliding sleeve through hole 71 and institute
State shunting through hole 62 to connect, the outflow for well liquid；
What the utility model was realized in：
S1, when cleaner for high-pressure drilling fluid is by the shunt cylinder 6, it is described throttling step 61 in the presence of, drilling liquid pressure
Increase, promotes the sliding sleeve 7 to be moved to the direction of lower contact 3 so that the low sleeve through hole 72 and institute on the sliding sleeve 7
Lower shunting through hole 63 is stated to align, and the stopper section 74 is moved to the direction of lower contact 3, now, the motion of sliding sleeve 7 stops
Only, the cavity 73 connects with through hole 11 on the joint adapter sleeve, the lower shunting through hole 63 and the low sleeve through hole 72
Connection, the U-type groove 65 connect with the upper sliding sleeve through hole 71 so that the well liquid one side entered in the accommodating cavity 8 is successively
The cavity 73 is entered by the lower shunting through hole 63, the low sleeve through hole 72, on the other hand passes sequentially through the centre
Through hole 64, the U-type groove 65, the upper sliding sleeve through hole 71, the cavity 73 are shunted, then passes through joint adapter sleeve described in one group
Jet is formed at upper through hole 11 to spray；
S2, simultaneously, 65 times lateral pressures increases of the U-type groove on the sliding sleeve 7 so that the sliding sleeve 7 is to connecing on described
First 2 end motion, the upper shunting through hole 62 on the shunt cylinder 6 and the upper sliding sleeve through hole 71 on the sliding sleeve 7
Alignment, and the stopper section 74 move to the direction of top connection 2, and now, the motion of sliding sleeve 7 stops, the cavity 73 and
The joint adapter sleeve lower through-hole 12 connects, and the upper shunting through hole 62 connects with the upper sliding sleeve through hole 71, the U-type groove 65
Connected with the low sleeve through hole 72 so that on the one hand the well liquid entered in the accommodating cavity 8 passes sequentially through the upper shunting logical
Hole 62, the upper sliding sleeve through hole 71 enter the cavity 73, on the other hand pass sequentially through the intermediate distributary through hole 64, the U
Type groove 65, the low sleeve through hole 72, the cavity 73, are then penetrated by being formed described in one group at joint adapter sleeve lower through-hole 12
Stream sprays；
The upper lateral pressure increase of S3, the now U-type groove 65 so that the sliding sleeve 7 is transported to the direction of the lower contact 3
It is dynamic, repeat step S2；
It is reciprocal with this, under the reciprocating motion effect of the sliding sleeve 7, on the joint adapter sleeve on the joint adapter sleeve 1
The pulsing jet effect of batch (-type) is formed between through hole 11, the joint adapter sleeve lower through-hole 12, formed husky to shaft bottom rock is impacted, and
Ground is carried out by sand grains is deposited by circulation of drilling fluid.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
1. dipulse sand-flushing instrument, it is characterised in that：Including joint adapter sleeve (1), open up the upper of the first recessed limit portion (21)
Joint (2), the lower contact (3) for opening up the second recessed limit portion (31), upper limit set (4), lower limit set (5), shunt cylinder (6), sliding sleeve
(7), joint adapter sleeve (1) both ends be screwed on respectively the top connection (2) the first recessed limit portion (21), it is described under connect
On second recessed limit portion (31) of head (3) so that the joint adapter sleeve (1), the top connection (2), the lower contact (3) it is outer
Side wall is conllinear；And form an accommodating cavity (8) between the joint adapter sleeve (1), the top connection (2), the lower contact (3)；
The upper limit set (4), the lower limit set (5), the shunt cylinder (6), the sliding sleeve (7) may be contained within the accommodating cavity
(8) in, and the shunt cylinder (6) and the common axis of the accommodating cavity (8) so that shunt cylinder (6) both ends house with described
Chamber (8) connects, and enters the shunt cylinder (6) by the accommodating cavity (8) for well liquid；
The upper limit set (4) is offered on the end face of the joint adapter sleeve (1) for carrying the top connection (2)
The first limiting stand (41), the second limiting stand (42) be arrangeding in parallel, the are offered on the end face of the accommodating cavity (8)
Three limiting stands (43), second limiting stand (42) are disposed in proximity to the side of the joint adapter sleeve (1), and the described 3rd is spacing
Platform (43) is disposed in proximity to the side of the accommodating cavity (8), and the lower limit set (5) is identical with upper limit set (4) structure；
The sliding sleeve (7) is arranged between the joint adapter sleeve (1) and the shunt cylinder (6), and the upper limit set (4),
The lower limit set (5) is symmetricly set in the sliding sleeve (7) both sides so that the lower limit set (5) and the upper limit set (4)
On the second limiting stand (42), the 3rd limiting stand (43) carry the sliding sleeve (7), the shunt cylinder (6) jointly respectively.
2. dipulse sand-flushing instrument according to claim 1, it is characterised in that：Second on the upper limit set (4)
The distance between second limiting stand (42) on limiting stand (42) and the lower limit set (5) is more than the radial direction of the sliding sleeve (7)
Length so that the sliding sleeve (7) is slided between the upper limit set (4), the lower limit set (5).
3. dipulse sand-flushing instrument according to claim 1, it is characterised in that：On the joint adapter sleeve (1) laterally
Through hole (11) on one group of joint adapter sleeve, one group of joint adapter sleeve lower through-hole (12) are symmetrically arranged with, for forming batch (-type)
Pulsing jet.
4. dipulse sand-flushing instrument according to claim 3, it is characterised in that：The shunt cylinder (6) includes being located at institute
The throttling step (61) stating the inner chamber of shunt cylinder (6) and be radially arranged, open up close to the top connection (2) side is lateral symmetry
Through hole (62) is shunted on one group, shunt under the lower contact (3) side lateral symmetry one group opened up through hole (63) and
Positioned at the intermediate distributary through hole (64) described in the same side between upper shunting through hole (62), the lower shunting through hole (63), with it is described
The U-type groove (65) of intermediate distributary through hole (64) connection, the U-type groove (65) are disposed in proximity to the side of the shunt cylinder (6).
5. dipulse sand-flushing instrument according to claim 4, it is characterised in that：The upper shunting through hole (62), described
Lower shunting through hole (63) is symmetricly set in intermediate distributary through hole (64) both sides.
6. dipulse sand-flushing instrument according to claim 4, it is characterised in that：The sliding sleeve (7) is included close to described
The lateral symmetry one group of upper sliding sleeve through hole (71) opened up in top connection (2) side, open close to the lower contact (3) side is lateral symmetry
If low sleeve through hole (72), the cavity (73) for accommodating well liquid and the stopper section being arranged in the cavity (73)
(74), the U-type groove (65) is between the upper sliding sleeve through hole (71), the low sleeve through hole (72), and the upper sliding sleeve
Through hole (71), the low sleeve through hole (72) connect with the cavity (73), the circulation for well liquid.
7. dipulse sand-flushing instrument according to claim 6, it is characterised in that：The stopper section (74) is used to block institute
State through hole (11) on joint adapter sleeve, the joint adapter sleeve lower through-hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506902.1U CN206845123U (en) | 2017-05-09 | 2017-05-09 | Dipulse sand-flushing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506902.1U CN206845123U (en) | 2017-05-09 | 2017-05-09 | Dipulse sand-flushing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845123U true CN206845123U (en) | 2018-01-05 |
Family
ID=60795002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720506902.1U Expired - Fee Related CN206845123U (en) | 2017-05-09 | 2017-05-09 | Dipulse sand-flushing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798564A (en) * | 2018-06-06 | 2018-11-13 | 东北石油大学 | Continuous sand flushing device for underground work construction process |
-
2017
- 2017-05-09 CN CN201720506902.1U patent/CN206845123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798564A (en) * | 2018-06-06 | 2018-11-13 | 东北石油大学 | Continuous sand flushing device for underground work construction process |
| CN108798564B (en) * | 2018-06-06 | 2019-04-05 | 东北石油大学 | Continuous sand flushing device for underground work construction process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200509 |