CN208122827U - A kind of by-passing valve - Google Patents
A kind of by-passing valve Download PDFInfo
- Publication number
- CN208122827U CN208122827U CN201820591101.4U CN201820591101U CN208122827U CN 208122827 U CN208122827 U CN 208122827U CN 201820591101 U CN201820591101 U CN 201820591101U CN 208122827 U CN208122827 U CN 208122827U
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- China
- Prior art keywords
- bypass
- sliding sleeve
- housing
- pass prot
- passing valve
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Abstract
The utility model discloses a kind of by-passing valve, including bypass short joint and cage pipe nipple, bypass short joint and cage pipe nipple are coaxially connected；Bypass short joint includes that the bypass housing for being axially arranged with first through hole and set turn in the sliding sleeve in bypass housing, sliding sleeve can slide axially in first through hole, sliding sleeve is axially provided with the second through-hole, bypass housing has the top and bottom being oppositely arranged, upper end is equipped with the first by-pass prot, and sliding sleeve is equipped with the second by-pass prot that can be connected to the first by-pass prot close to one end of upper end, is axially arranged with the first ball seat in the second through-hole, first ball seat is located at the lower section of the second by-pass prot, and the first ball seat is equipped with centre bore；Sliding sleeve is set with spring close to one end of the lower end of bypass housing, bypasses the upper end of housing equipped with the limiting device for limiting sliding sleeve sliding distance, limiting device is located at the top of the first by-pass prot.The by-passing valve of the utility model can repeatedly investment activates ball and resets ball into bypass short joint, realizes and repeatedly activates.
Description
Technical field
The utility model belongs to drilling technology field, and in particular to a kind of by-passing valve.
Background technique
In the drilling process for carrying out petroleum, natural gas, shale gas and coal bed gas, it is frequently encountered leakage, well overflows, hydrophthalmia
The complex situations such as closure.When handling these complex situations, generallys use by-passing valve and establish new circulation canal.Existing bypass
The disadvantages of that there are on-off times is less for valve, and vulnerable part is more, seals after multiple switching and is easy failure, and the service life is shorter.
Utility model content
The purpose of this utility model is that：Above-mentioned deficiency in the prior art is solved, a kind of by-passing valve is provided.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of by-passing valve, including bypass short joint and
Cage pipe nipple, the bypass short joint and the cage pipe nipple are coaxially connected；The bypass short joint includes being axially arranged with first through hole
Bypass housing and the sliding sleeve that is set in the bypass housing, the sliding sleeve can slide axially in the first through hole, institute
It states sliding sleeve and is axially provided with the second through-hole, the bypass housing has a top and bottom being oppositely arranged, and the upper end is equipped with the
Bypass hole, the sliding sleeve are equipped with the second by-pass prot that can be connected to first by-pass prot, institute close to one end of the upper end
It states and is axially arranged with the first ball seat in the second through-hole, first ball seat is located at the lower section of second by-pass prot, first ball
Seat is equipped with centre bore；The sliding sleeve is set with spring close to one end of the lower end of the bypass housing, described to bypass the upper of housing
End is equipped with the limiting device for limiting the sliding sleeve sliding distance, and the limiting device is located at the upper of first by-pass prot
Side；The cage pipe nipple includes cage housing and cage shelves ring, and the cage housing is connect with the lower end of the bypass housing, institute
Cage shelves are stated to be located in cage housing.
Further, further include activation ball for being connected to first by-pass prot with second by-pass prot and be used for
The reset ball for resetting the sliding sleeve, the activation ball are set to second ball seat, and the reset ball is set to first ball seat.
Further, the activation ball and the material for resetting ball are resin.
Further, the inner wall of the bypass housing is equipped with upper seal and lower seal, and the upper seal is located at institute
The top of the first by-pass prot is stated, the lower seal is located at the lower section of first by-pass prot.
Further, the first through hole inner wall is recessed fluted, and the spring is located in the groove, and the sliding sleeve leans on
One end of the nearly upper end is convexly equipped with annular convex platform, and one end far from the lower end of the spring connects with the annular convex platform
It connects, the other end of the spring is connect with the groove.
Further, the cage housing is connect with the lower thread of the bypass housing.
Further, the limiting device includes the snap ring from top to bottom set gradually and shelves ring.
Further, first by-pass prot is multiple, and multiple first by-pass prots are radially set to the bypass housing,
And multiple first by-pass prots are evenly spaced on along the circumferential direction of the bypass housing.
Further, second by-pass prot is multiple, and multiple second by-pass prots are radially set to the sliding sleeve, and more
A second by-pass prot is evenly spaced on along the circumferential direction of the sliding sleeve.
By adopting the above-described technical solution, the utility model has the beneficial effects that：In the by-passing valve of the utility model,
It is provided with limiting device above sliding sleeve, slides over when being slided in first through hole, limiting device limits the move distance of sliding sleeve,
Anti- anti-skid sheath falls off from bypass housing.In the by-passing valve of the utility model, by putting into activation ball in bypass short joint, so
After so that drill string is built the pressure, compressed spring moves downward sliding sleeve, is connected to the first by-pass prot with the second by-pass prot, can carry out leak stopping；
Into bypass short joint, investment resets ball again, and when downhole fluid pressure reaches preset critical pressure, pressure cutting falls in first
Activation ball on ball seat makes that ball is activated to pass through centre bore, and activation ball and reset ball enter into cage pipe nipple, slide over spring
Under effect, it is restored to initial position, in the by-passing valve of the utility model, activation ball can be repeatedly put into bypass short joint and is answered
Position ball, realizes the operations such as multiple leak stopping, fluid displacement, easy to operate, quick.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic cross-sectional view of a working condition of the by-passing valve of the utility model；
Fig. 2 is the schematic cross-sectional view of another working condition of the by-passing valve of the utility model；
Fig. 3 is the schematic cross-sectional view of the bypass housing of the by-passing valve of the utility model；
Fig. 4 is the schematic diagram of the amplification of the part A of Fig. 1；
Fig. 5 is the schematic diagram of the amplification of the part B of Fig. 1；
Fig. 6 is the schematic diagram of the amplification of the C portion of Fig. 3；
Fig. 7 is the schematic diagram of the amplification of the part D of Fig. 2；
Appended drawing reference：1- bypass short joint, 101- first through hole, 102- bypass housing, 103- sliding sleeve, the second through-hole of 104-,
The first by-pass prot of 105-, the second by-pass prot of 106-, 107- ball seat, 108- spring, 109- limiting device, 110- snap ring, 111- grades
Ring, 112- annular convex platform, 113- groove, 114- upper seal, 115- lower seal, 2- cage pipe nipple, 21- cage housing, 22-
Cage shelves ring, 3- activate ball, and 4- resets ball.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In conjunction with attached drawing 1-7, the embodiments of the present invention is illustrated；
A kind of by-passing valve, including bypass short joint 1 and cage pipe nipple 2, the bypass short joint 1 and the cage pipe nipple 2 are coaxial
Connection；The bypass short joint 1 includes being axially arranged with the bypass housing 102 of first through hole 101 and being set in the bypass housing 102
Interior sliding sleeve 103,103 coaxial package of sliding sleeve is in bypass housing 102, and the sliding sleeve 103 can be in the first through hole 101
It inside slides axially, axially disposed in the sliding sleeve 103 to have the second through-hole 104, the bypass housing 102, which has, to be oppositely arranged
Top and bottom, upper end herein correspond to the liquid feeding end of by-passing valve, and corresponding lower end is that bypass short joint 1 is connect with cage pipe nipple 2
One end, the upper end is equipped with the first by-pass prot 105, and the sliding sleeve 103 is equipped with close to one end of the upper end can be with described the
The second by-pass prot 106 that bypass hole 105 is connected to, the second by-pass prot 106 is connected to the second through-hole 104 of sliding sleeve 103, described
It is axially arranged with ball seat 107 in second through-hole 104, the ball seat 107 is equipped with centre bore, and centre bore is by the upper end of the second through-hole 104
It is connected to lower end, the ball seat 107 is located at the lower section of second by-pass prot 106；The sliding sleeve 103 is close to the bypass housing
One end of 102 lower end is set with spring 108, and the upper end of the bypass housing 102 is equipped with to be slided for limiting the sliding sleeve 103
The limiting device 109 of distance, the limiting device 109 are located at the top of first by-pass prot 105；The cage pipe nipple 2 wraps
Cage housing 21 and cage shelves ring 22 are included, the cage housing 21 is connect with the lower end of the bypass housing 102, the cage shelves
Ring 22 is set in cage housing 21.
In the present embodiment, also activation of the packet for being connected to first by-pass prot 105 with second by-pass prot 106
Ball 3 and reset ball 4 for resetting the sliding sleeve 103, when in use, the activation ball 3 is located on the ball seat 107,
Centre bore on ball seat 107 is blocked.Wherein, the activation ball 3 and the material for resetting ball 4 are resin.
Upper seal 114 and lower seal 115, the upper seal 114 are equipped in the inner wall of the bypass housing 102
In the top of first by-pass prot 105, the lower seal 115 is located at the lower section of first by-pass prot 105.Upper sealing
Circle 114 and lower seal 115 seal the inner wall of sliding sleeve 103 and bypass housing 102, it is easier to which make in drill string hydraulic reaches pre-
Definite value, saving build the pressure the time, can also reduce the dosage of liquid, save production cost.
In this when embodiment, in 101 inner wall of first through hole recessed fluted 113, the spring 108 is located at described
In groove 113, the sliding sleeve 103 is convexly equipped with annular convex platform 112, the separate institute of the spring 108 close to one end of the upper end
The one end for stating lower end is connect with the annular convex platform 112, and the other end of the spring 108 is connect with the groove 113.In this reality
It applies in example, spring 108 is sleeved on the relatively intermediate position of sliding sleeve 103, and sliding sleeve 103 passes through spring 108, and sliding sleeve 103 exists
During sliding axially, groove 113 can limited spring 108 position, while by sliding sleeve 103 pass through spring 108, moreover it is possible to play
The effect of guiding.The cage housing 21 is connect with the lower thread of the bypass housing 102.It is threadedly coupled easy to disassemble.
In this when embodiment, the limiting device 109 includes the snap ring 110 and shelves ring 111 from top to bottom set gradually.
Shelves ring 111 is arranged on the inner wall of bypass housing 102, and snap ring 110 is fastened on the inner wall of bypass housing 102, and snap ring 110
Be located at the top of grade ring 111, setting snap ring 110 can anti-stop ring 111 fall off from the inner wall of bypass housing 102.Described first
By-pass prot 105 be it is multiple, multiple first by-pass prots 105 are radial to be set to the bypass housing 102, and by the of multiple described first
Through-hole 105 is evenly spaced on along the circumferential direction of the bypass housing 102.Second by-pass prot 106 be it is multiple, multiple described the
Two by-pass prot 106 is radial to be set to the sliding sleeve 103, and multiple second by-pass prots 106 are along the circumferential uniform of the sliding sleeve 103
It is spaced apart.When sliding sleeve 103 moves downward, the first by-pass prot 105 is connected to the second by-pass prot 106, makes the liquid in drill string
It is flowed out from the first by-pass prot 105.
The working principle of the utility model：When using the by-passing valve of the utility model, it is short that activation ball 3 is put into bypass
In section 1, activation ball 3 is located on ball seat 107, centre bore is blocked, then to bypass short joint 1 forward to building the pressure, in hydraulic work
Under, 103 slide downward of sliding sleeve, compressed spring 108, and be connected to the first by-pass prot 105 with the second by-pass prot 106, then to side
It is passed through leak stopping paddle in logical pipe nipple 1, leak stopping paddle flows to the first by-pass prot 105 from the second by-pass prot 106, and is flowed into drop ply, into
Row leak stopping；After leak stopping connects, into bypass short joint 1, investment resets ball 4, resets the quilt under lesser flow velocity and pressure of ball 4
It is sent in the second by-pass prot 106, when the fluid pressure in bypass short joint 1 reaches preset critical pressure, swashing on ball seat 107
Live ball 3 is cut, and the activation ball 3 after cutting resets ball 4 also from centre bore from being dropped into cage pipe nipple 2 in centre bore
It drops into cage pipe nipple 2, sliding sleeve 103 is under the action of spring 108, upward sliding, closes the first by-pass prot 105, restores to bore
Well construction.During sliding sleeve 103 slides axially, the limiting device 109 that bypass 102 upper end of housing is arranged in limits sliding sleeve
Sliding distance on 103, protects sliding sleeve 103.
The by-passing valve of the utility model can repeatedly investment activates ball and resets ball into bypass short joint, realizes and repeatedly activates,
In the case where not pulling out of hole, the operation such as leak stopping, well-flushing can be repeatedly carried out, leak stopping, well-flushing efficiency are effectively improved.
Claims (9)
1. a kind of by-passing valve, it is characterised in that：Including bypass short joint (1) and cage pipe nipple (2), the bypass short joint (1) and institute
It is coaxially connected to state cage pipe nipple (2)；
The bypass short joint (1) includes being axially arranged with the bypass housing (102) of first through hole (101) and being set in outside the bypass
The sliding sleeve (103) in (102) is covered, the sliding sleeve (103) can slide axially in the first through hole (101), the sliding sleeve
(103) axial to be provided with the second through-hole (104), bypass housing (102) has a top and bottom being oppositely arranged, it is described on
End is equipped with the first by-pass prot (105), and the sliding sleeve (103) is equipped with close to one end of the upper end can be with first by-pass prot
(105) the second by-pass prot (106) being connected to, second through-hole (104) is interior to be axially arranged with the first ball seat (107), and described first
Ball seat (107) is equipped with centre bore, and first ball seat (107) is located at the lower section of second by-pass prot (106)；The sliding sleeve
(103) one end close to the lower end of bypass housing (102) is set with spring (108), the upper end of bypass housing (102)
Equipped with for limiting the limiting device (109) of the sliding sleeve (103) sliding distance, the limiting device (109) is located at described the
The top of bypass hole (105)；
The cage pipe nipple (2) includes cage housing (21) and cage shelves ring (22), the cage housing (21) and the bypass
The lower end of housing (102) connects, and the cage shelves ring (22) is set in cage housing (21).
2. by-passing valve according to claim 1, it is characterised in that：Further include for make first by-pass prot (105) with
The activation ball (3) that second by-pass prot (106) is connected to and the reset ball (4) for resetting the sliding sleeve (103).
3. by-passing valve according to claim 2, it is characterised in that：Activation ball (3) and the material for resetting ball (4)
It is resin.
4. by-passing valve according to claim 1, it is characterised in that：The inner wall of bypass housing (102) is equipped with upper sealing
(114) and lower seal (115) are enclosed, the upper seal (114) is located at the top of first by-pass prot (105), under described
Sealing ring (115) is located at the lower section of first by-pass prot (105).
5. by-passing valve according to claim 1, it is characterised in that：First through hole (101) inner wall is recessed fluted
(113), the spring (108) is located in the groove (113), and the sliding sleeve (103) is convexly equipped with close to one end of the upper end
One end far from the lower end of annular convex platform (112), the spring (108) is connect with the annular convex platform (112), the bullet
The other end of spring (108) is connect with the groove (113).
6. by-passing valve according to claim 1, it is characterised in that：The cage housing (21) and the bypass housing
(102) lower thread connection.
7. by-passing valve according to claim 1, it is characterised in that：The limiting device (109) includes from top to bottom successively
The snap ring (110) and shelves ring (111) of setting.
8. by-passing valve according to claim 1, it is characterised in that：First by-pass prot (105) be it is multiple, it is multiple described
First by-pass prot (105) is radially set to the bypass housing (102), and multiple first by-pass prots (105) are along the bypass
The circumferential direction of housing (102) is evenly spaced on.
9. by-passing valve according to claim 1, it is characterised in that：Second by-pass prot (106) be it is multiple, it is multiple described
Second by-pass prot (106) is radially set to the sliding sleeve (103), and multiple second by-pass prots (106) are along the sliding sleeve (103)
Circumferential direction be evenly spaced on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591101.4U CN208122827U (en) | 2018-04-24 | 2018-04-24 | A kind of by-passing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591101.4U CN208122827U (en) | 2018-04-24 | 2018-04-24 | A kind of by-passing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122827U true CN208122827U (en) | 2018-11-20 |
Family
ID=64186122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820591101.4U Active CN208122827U (en) | 2018-04-24 | 2018-04-24 | A kind of by-passing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338859A (en) * | 2021-07-30 | 2021-09-03 | 四川中宏瑞石油机械工程有限公司 | Mechanical underground multi-time switch bypass valve |
-
2018
- 2018-04-24 CN CN201820591101.4U patent/CN208122827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338859A (en) * | 2021-07-30 | 2021-09-03 | 四川中宏瑞石油机械工程有限公司 | Mechanical underground multi-time switch bypass valve |
| WO2023004908A1 (en) * | 2021-07-30 | 2023-02-02 | 四川中宏瑞石油机械工程有限公司 | Mechanical downhole multi-time switching bypass valve |
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